Grace's Guide
British Industrial History
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 137,293 pages of information and 220,285 images on early companies, their products and the people who designed and built them.
Category:Town - London
From Graces Guide
Pages in category "Town - London"
The following 10,000 pages are in this category, out of 13,978 total.
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- 1841 Post Office London Directory
- 1851 Great Exhibition
- 1851 Post Office London Directory
- 1861 Post Office London Directory
- 1862 London Exhibition: Catalogue: Class I.: John Hynam
- 1863 Smithfield Club Show
- 1868 Aeronautical Exhibition
- 1870 Post Office London Directory
- 1871 London Exhibition
- 1872 London Exhibition
- 1877 Smithfield Club Show
- 1879 Smithfield Club Show
- 1881 Wool Exhibition
- 1883 Crystal Palace Gas and Electrical Exhibition
- 1883 Electrical Exhibition at the Westminster Aquarium
- 1884 Health Exhibition
- 1887 American Exhibition
- 1889 Crystal Palace Photographic Exhibition
- 1890 International Exhibition of Mining and Metallurgy
- 1892 Building Exhibition
- 1892 Milling Exhibition
- 1893 Brewery Exhibition
- 1893 Confectionery and Bakery Exhibition
- 1894 International Shoe and Leather Exhibition
- 1894 Laundry Exhibition
- 1894 London Railways
- 1895 National Cycle Exhibition
- 1896 Brewery Exhibition
- 1897 International Exhibition of Motor Cars and Cycles
- 1897 Motor Car Exhibition
- 1898 Brewers Exhibition
- 1898 Dairy Show
- 1899 Crystal Palace Motor Races
- 1900 Motor Car Exhibition
- 1900 Tramways and Light Railways Exhibition
- 1902 Cork Exhibition
- 1902 Motor Cycling Club Race Meeting
- 1903 Motor Show (Cordingley)
- 1904 Auto-Cycle Club: September Race Meeting
- 1904 Motor Show (Cordingley's)
- 1904 Motor Union
- 1905 Motor Show (Cordingley)
- 1905 Motor Show (Crystal Palace)
- 1905 Motor versus Horse Safety Demonstration
- 1907 Auto-Cycle Club - Annual Race Meeting
- 1907 Auto-Cycle Club 24-hours Run - London-Plymouth-London
- 1909 Aero Show at Olympia
- 1910 Aero Show at Olympia
- 1910 Automobile Association and Motor Union
- 1911 Motor Show at Olympia
- 1911 Post Office London Suburbs Directory
- 1912 Motor Show at Olympia
- 1913 Aero Show
- 1913 Cycle, Motor Cycle and Cyclecar Show
- 1913 Motor Show
- 1915 Road Exhibition and Conference
- 1916 Automobile Show
- 1920 British Industries Fair
- 1920 Commercial Motor Exhibition
- 1925 Motor Cycle and Cycle Show
- 1927 Motor Show
- 1933 Public Works Roads and Transport Exhibition
- 1933 Shipping, Engineering and Machinery Exhibition
- 1937 Commercial Motor Transport Show
- 1937 Engineering and Marine Exhibition
- 1937 Motor Cycle Show
- 1938 Motor Show
- 1948 Bicycle and Motor Cycle Show
- 1948 Machine Tool and Engineering Exhibition
- 1948 Mechanical Handling Exhibition
- 1948 Motor Show
- 1950 Motor Show
- 1951 Festival of Britain
- 1952 International Machine Tool Exhibition
- 1952 Motor Show
- 1953 Mechanical Handling Exhibition
- 1954 Commercial Vehicle Exhibition
- 1955 Engineering, Marine and Welding Exhibition
- 1957 Motor Show
- 1958 Industrial Fuel Efficiency Exhibition
- 1958 Motor Show
- 1960 Motor Cycle Show
- 1960 Motor Show
- 1962 Motor Show
- 1964 Motor Show
- 1965 Motor Show
- 1968 Motor Show
- 1988 British Electronics Week
- 1988 Military Microwaves Exhibition
- 1990 Euro-EMC Conference
- 1995 Electrical Engineering Show
- 1996 Independent Power Generation Conference
- 1997 Inpower Exhibition
A
- A and C Black
- A-L Portable Acetylene Co
- A. and A. Merchandising Co
- A. Baveystock and Co
- A. Bennet and Co
- A. Beswick and Co
- A. Browne and Son
- A. C. Cutting and Welding Co
- A. C. E. Machinery
- A. Chris
- A. Constable and Co
- A. D. Barnett
- A. D. S. Relays
- A. Danks
- A. Dreyfus
- A. E. Bramson
- A. E. Davies and Co
- A. E. G. Electrical Co
- A. Heissner's Garden Ornaments
- A. Howard and Son
- A. Hutchison and Son
- A. I. Electric Welding Machines
- A. Joseph
- A. King and Sons
- A. Lee and Co
- A. P. McConnell
- A. Picard
- A. R. Atkey and Co
- A. R. O. Machinery Co
- A. Rossi
- A. Stedman and Sons
- A. T. Instruments
- A. T. Morse, Sons and Co
- A. T. Speedometer Co
- A. U. D. (London)
- A. V. A.
- A. W. Anderson
- A. W. Bestow and Co
- A. W. Gregory and Co
- A. W. Marshall and Co
- A. W. Mathys
- A. Woodrow and Co
- A.E.W.
- Aarhus Oliefabrik
- Paul and Marjorie Abbatt
- Abbey
- Abbey and Co
- Abbey Industries
- Abbey Mills Pumping Station
- Abbey National
- Abbey Road Building Society
- Abbey Sports Co
- W. Abbot and Sons
- Abbott
- J. C. Abbott and Co
- R. Abbott
- Abbott, Anderson and Abbott
- Abbott, Birks and Co
- Abbott, Bonner and Co
- C. R. Abbott and Co
- Abbott, Field and Co
- George S. Abbott
- Abbotts
- Abbotts (of London)
- Abdulla and Co
- A. Abdullah and Sons
- Aberdale
- Aberdonia Cars
- M. Aberstone
- Abies Battery Co
- Abietsan Manufacturing Co
- Abingdon-Ecco
- Abney Park Cemetery
- Abolo Co
- Percy John Abrahams
- Abril Corporation (Great Britain)
- ABTUS
- Abwood Tool and Engineering Co
- Acatene Cycle Co
- Acbars
- Accident Insurance Co
- Acco Manufacturers
- Accoson
- Accumulator Maintenance and Manufacturing Co
- Accumulator Makers Association
- Accumulator Syndicate
- Ace Motors Syndicate
- Acetate Products Corporation
- Acetylene Corporation
- Acetylene Equipment Co
- Acetylene Generator and Tool Co
- Acetylene Illuminating Co
- Achille Serre
- D. Ackerman and Sons
- Simon Ackerman
- Ackermann Galleries
- Acme and Immisch Electric Works
- Acme Electrical Works
- Acme Patent Ladder Co
- Acme Showcard Co
- Acme Welding Co
- Acoustical Manufacturing Co
- Acrow (Engineers)
- Acta Corset Co
- Actina
- Actinium Devlopments
- Activated Sludge
- Acton and Borman
- Acton Bolt
- Acton Surgey
- Adair Ganesh Establishment
- Adam and Lane and Neeve
- Adam, Grimaldi and Co
- Adamant Stone and Paving Co
- Adamite Co
- G. R. Adams (Sports Manufacturers)
- R. Adams
- Adams and Co
- Adams and Son
- Adams and Watts
- Adams Cars
- Adams's Optician and Spectacle Manufacturer
- Adams's Patent Small Arms Co
- A. Adams and Co
- F. B. Adams and Sons
- George Adams (Instrument Maker)
- George Adams (of Holborn)
- George Adams (of London)
- Adams, Montgomery and Co
- Adams-Hydraulics
- Adamson, Cadogan and Son
- W. A. Adamson
- Adamson-Alliance Co
- John Adcock
- Adcola Products
- Addison Electric Co
- Addison Tool Co
- Addley Bourne
- Addressing Machines
- Addressograph
- Adelphi Potteries
- Adey
- Adhesive Dry Mounting Co
- Adjustable Cover and Boiler Block Co
- Adjustoform
- E. Adkins
- Adlard and Son
- Adlards Motors
- Adler Sales and Service London
- A. Adler
- Admiralty
- Adnil Electric Co
- Adrema
- Advertising Mirrors
- Advertising School
- Adwel
- Adwel Industries
- Aeon Products (London)
- Aerated Bread Co
- Aerators
- Aero Spares Co
- Aero Zipp Fasteners
- Aerocar Engineering Co
- Aerograph Co
- Aeronautical and Panel Plywood Co
- Aeronautical Inspection Department
- Aeronautical Institute and Club
- Aeronautical Instrument Co
- Aeronautics
- Aeroparts Manufacturing Co
- Aeroplane Supply Co
- Aerostyle
- Aertex
- A. E. W.
- African Banking Corporation
- African Direct Telegraph Co
- African Explosives and Industries
- African Steamship Co
- AFSA
- AGE - Agricultural and General Engineers
- Aged Pilgrim's Friend Society
- Agfa Photo
- Agricultural and General Engineering Co
- Agricultural Engineers Co
- Agricultural Hall, Kensington
- Agricultural Wholesale Society
- Agriculturist Cattle Insurance Co
- Aidee Motor and Engineering Co
- Ailsa Craig Cycle Co
- Ailsa Craig Motor Co
- Air and Airways
- Air France
- Air Impellor and Engineering Co
- Air India
- Air Jamaica
- Air League of the British Empire
- Air Products
- Air Pumps
- Air Transport College
- Aircraft Exchange and Mart
- Aircraft Hydraulic Appliances
- Aircraft Materials
- Aircraft Patents
- Aircraft Products
- Aircraft Transport and Travel
- John Aird and Co
- Sir John Aird and Co
- Airdrie and Coatbridge Tramways
- Aire and Calder Glass Bottle Works (E. Breffit and Co)
- Airostyle and Lithos
- Airpak
- Airwork Services
- Aitchison and Co
- Ajax
- Ajax Aniline Dye Manufacturing Co
- Ajax Sanitary Co
- Akron
- H. Alabaster, Gatehouse and Co
- Aland Fan Co
- Alba Radio and Television
- Albany Engineering Co
- Albany Manufacturing Co
- Albers Creameries
- Albert
- Albert Baker and Co (1898)
- Albert Bridge
- Albert Bucher
- Albert E. Oakley and Co
- Albert Embankment
- Albert Exhibition Palace, Battersea
- Albert Insurance and Guarantee Co
- Albert Laundry Blue Co
- J. Albert
- Felix Albinolo
- Albion Iron and Wire Work Co
- Albion Iron Co (London) 1918
- Albion Life Insurance Co
- Albion Mills, Blackfriars
- Albion Sewing Cotton Co
- Albion Shades
- Alcan Industries
- Alcob Metals
- Ralph Alcock and Co
- Alcon Pumps
- Aldebert, Becher and Co
- A. H. Alden and Co
- J. Alderman
- Aldine Publishing Co
- Aldous and Campbell
- Aldred and Spielmann
- Aldridge and Ranken
- Aldridges
- Aldwych Iron Co
- Alefounder and King
- Alexander and Lauriston
- Alexander and Sons (of London)
- Alexander Clark Co
- Alexander Engineering Co
- Alexander Manufacturing Co
- E. P. Alexander and Son
- George Alexander and Co
- Alexanders and Co
- Alexandra Hotel
- Alexandra Palace
- D. V. Alexandre
- Alfa Precise Instrument Co
- Alfol Insulation
- Alfred Blackmore and Co
- Alfred Carter and Co
- Alfred Chapman and Co
- Alfred Goslett and Co
- Alfred Myers
- Alfred Williams and Co
- Alison and Shaw
- Alkan
- G. S. Allan and Co
- Allan and Adamson
- Allan Brothers and Co
- Allan Manufacturing
- Allan, Cockshut and Co
- David Allan
- Allard Exclusive Knitwear Co
- Allard Motor Co
- Alldays Commercial Motors
- Alleathers
- Lucien Allegre
- J. W. Allen
- Allen and Hanburys
- Allen and Sons
- Allen and Wright
- Allen Co
- Allen Hydrostatic Pump Syndicate
- Allen Oil Equipment and Supply Co
- Allen Ransome and Co
- Allen's Portmanteaus
- Alfred J. Allen
- Edward G. Allen and Son
- F. Allen (Mile-end)
- Fred H. Allen
- George Allen and Unwin
- J. W. and T. Allen
- Stafford Allen and Sons
- Allen, Scott and Co
- Allen, West and Co (Bailey Meter Dept.)
- Allen-Liversidge
- E. Alley and Son
- Allgood Manufacturing Co
- Alliance Assurance Co
- Alliance Bank
- Alliance British and Foreign Life and Fire Assurance Co
- Alliance Electrical Co
- Alliance Life and Fire Assurance Co
- Alliance Manufacturing Co
- Alliance Marine Assurance Co
- Alliance Petroleum Marketing Co
- Alliance Spring and Asbestos Co
- Allied Ironfounders
- Allied Machinery Co
- Allied Metals
- Allied Newspapers
- Allines (London)
- Edward P. Allis and Co
- Allison Pianos
- Arthur Allison and Co
- Alliston and Co
- Alloy Welding Processes
- Allweathers
- G. and W. Almond
- Alpco Pencils
- Alpe and Saunders
- Alpha Box Co
- Alpha Leather and Rubber Co
- Alpine (Double Glazing) Co
- Alreco Metal Corporation
- Alrutz and Co
- Alston, Arbuthnot and Co
- Alumilite and Alzak
- Aluminium and General Foundry Co
- Aluminium Corporation
- Aluminium Patent Non-Flux Solder Co
- Aluminium Plant and Vessel Co
- Aluminium Union
- AMA
- Amalgamated Dry Batteries
- Amalgamated Photographic Manufacturers
- Amalgamated Press
- Amalgamated Processes
- Amalgamated Roadstone
- Amalgamated Signs
- Amazon Cars
- Ambassador Talking Machine Co
- Amber Pharmaceuticals
- Amberg File and Index Co
- Amberley Road Power Station
- Amec Foster Wheeler
- American Automobile and Motor
- American Automobile and Motor Co
- American Blower Co
- American Camera Co
- American Elevator Co
- American Machine and Foundry Co
- American Motor Car Agency
- American Steel Export Co
- Amersham Works
- Amex Co
- Amey Roadstone
- AMF International
- AMI Lawnmower Co
- Amicable Society
- Ammonal Explosives
- Amoa Chemical Co
- Albert Amor
- W. W. Amor, Son and Co
- A. G. Amos
- Ampico
- Amplivox
- Amtico Design Floors
- AN-ON
- Anaglypta Co
- Anchor Cable Co
- Anchor Glass Co
- Anders Display Division
- Anders Electronics
- Anders Radio
- Andersay Engineering Co
- Anderson and Gallwey
- Anderson Construction Co
- Anderson Motor Tyre Co
- Anderson, Abbot and Anderson
- Anderson, Anderson and Anderson
- Anderson, Anderson and Co
- Richard Anderson and Co
- Anderton's Coffee House
- Anderton, Britton and Co
- T. B. Andre and Co
- T. B. Andre and Salmon
- Andre (Components)
- Andre A. Godin
- C. W. Andrew
- Andrew and Ruffles
- H. V. Andrew (London)
- A. and S. Andrews
- Andrews Warehouse Co
- Stanley W. Andrews
- Andrews and Seamell
- Andrews-Hawksley Patent Tread and Engineering Co
- Aneta Pleat Co
- Angel Truck Co
- C. Angel and Son
- Angela Manufacturing Co
- Angelique
- Angell and Williams
- Angelo Brothers (England)
- Angelo Sedley
- Anglo Bag Co
- Anglo-American Brush Electric Light Corporation
- Anglo-American Drug Co
- Anglo-American Motor Car Co
- Anglo-American Oil Co
- Anglo-American Vulcanized Fibre Co
- Anglo-Austrian Bank
- Anglo-Austrian Petroleum Co
- Anglo-Californian Bank
- Anglo-Continental Guano Works
- Anglo-Continental Produce Co
- Anglo-Egyptian Bank
- Anglo-Egyptian Banking Co
- Anglo-French Bag Co
- Anglo-French Textile Co
- Anglo-Iranian Oil Co
- Anglo-Mexican Petroleum Co
- Anglo-Norwegian Aluminium Co
- Anglo-Persian Oil Co
- Anglo-Saxon Petroleum Co
- Anglo-Swiss (H. Cuenod) Construction Co
- Anglo-Swiss Electrical Co
- Anglocentrop Industrial and Rural Craft Co
- Angular-Hole Machine Co
- William Angus and Co
- Annfield Products (London)
- R. H. Annison
- Anodised Products
- Ansar, Harford and Co
- Ansco
- George Anson and Co
- Mrs H. Anson
- Answers
- Antex
- Anthony Harris
- Anthracite Radiation
- Anti-Friction Conveyor and Grinding Machinery Co
- Anti-Taps
- Anti-Waste Appliance Co
- Anti-Waste Appliances
- Antifyre
- Antoine (Hair)
- Antoine (of London)
- Antoni Forrer
- Antony Gibbs and Sons
- Anty-Sag (Parent) Co
- Anzora Perfumery Co
- Apparatus and Instrument Co
- E. G. Appleby and Co
- Appleby and Barham
- Applegarth and Co
- Applegath and Cowper
- Applegath and Mitton
- Applied High Frequency
- Apps and Co
- Apthorpe
- Aquascutum
- Aqueous Works and Diamond Rock Boring Co
- Ara Material and Manufacturing Corporation
- Arca Twist Co
- Arcade Motor Co
- J. and W. E. Archbutt
- Archibald Vickers
- Architectural and Building Surveyors' Society
- Architectural Museum
- Arcot Motors
- Arcus Gear
- Ardinco
- Ardray Manufacturing Co
- Arethusa
- Argo Line
- Argus Clothing Co
- Argus Engineering Co
- Argylls
- Ariel and General Repairs
- Ariel Motors
- Ariel Motors and General Repairs
- Aries
- Arlington Bodybuilders
- Arlington Motor Co
- Arlo
- Armanni and Co
- Armco
- S. Armfield
- Armon Electronics
- Armorduct Improved Electric Conduit Co
- Armorduct Manufacturing Co
- Armour and Co
- Armstrong Wireless and Television Co
- H. J. Armstrong
- J. Armstrong and Sons
- Armstrong and Co
- Armstrong Construction Co
- Armstrong Cork Co
- Armstrong Cycle Works
- Armstrong Manufacturing Co
- Armstrong Whitworth: Tools
- Armstrong's Patent Safety Lamps
- James Armstrong and Co
- Army, Navy and General Assurance Association
- E. Arnold
- W. H. Arnold and Co
- Arnold and Dent
- Arnold and Hewetson
- Arnold and Sons
- Arnold Motor Carriage Co
- A. Arnold and Co
- Andrew Arnold
- P. and J. Arnold
- Arnott and Harrison
- S. Arnull, Watt and Co
- Aron Electricity Meter Co
- Arrow Electric Switches
- Arrow Electrical Works
- Arrowtabs
- Art Reproduction Company
- Art Metal Construction Co
- Walter Arter
- Arthur E. Hawker
- Arthur Holland and Co
- Arthur Martin
- Arthur Perry and Co
- Arthur Saunders and Co
- Arthur Tooth and Sons
- Arthurs Press
- Artillery Wheel Works
- Artistic Dolls
- Artistic Lampshade Manufacturers
- Artistic Shade Co
- Artlite
- Ove Arup and Partners
- Asbestos and Engineering Products
- Asbestos Roofing Co
- Asbestos Slate and Contract Co
- R. V. Asbury
- Ascog
- Ascot Gas Water Heaters
- Ascot Lamps and Lighting
- Ascot Motor Co
- L. Ash and Co
- Ash and Co
- C. Ash and Sons
- Claudius Ash and Sons
- Claudius Ash, Sons and Co (1905)
- Walter Ash
- H. Ashdown
- Ashley Lodge, Ealing
- Ashley Russell
- Ashley Trading Co
- Ashmore, Benson, Pease and Co
- Ashton Brothers
- Ashton Valve Co
- J. P. Ashton
- Aspdin, Ord and Co
- Aspheltic (London)
- Aspinalls Enamel
- Asprey and Co
- Assam Oil Co
- Assemblit
- Assimil
- Associated British Machine Tool Makers
- Associated Builders Merchants
- Associated Commercial Vehicles
- Associated Electric Vehicle Manufacturers
- Associated Engineering (Sales) - AES
- Associated Ethyl Co
- Associated Fire Alarms
- Associated Fisheries
- Associated Garage Co
- Associated Hardware Manufacturers
- Associated London Flour Millers
- Associated Manufacturers Co (Amanco)
- Associated Master Plumbers and Domestic Engineers
- Associated Metal Works
- Associated Newspapers
- Associated Omnibus Co
- Associated Perforators and Weavers
- Associated Photographic Printers
- Associated Portland Cement Manufacturers
- Associated Pumps
- Associated Television
- Associated Transfers
- Associated Wool Mills and Hair Manufacturers
- Association for the Supply of Pure Vaccine Lymph
- Association of British Driving Chain Manufacturers
- Association of Diamond Merchants, Jewellers and Silversmiths
- Association of Supervising Electrical Engineers
- Assurance Trust Corporation
- Astex
- Aston and Mander (1917)
- Aston Matthews
- Astra Dynamo Co
- Astra Pharos
- Astral Engineering Co
- Astral Oils and Disinfectants
- AstraZeneca
- Asylum Life Office
- Atalanta Ltd
- J. W. Atha and Co
- Atkey's Wholesale
- Atkins and Co
- James and Edward Atkinson
- Robert Atkinson (London)
- Samuel Atkiss
- Atlantic Metal Co
- Atlantic Printing and Publishing Co
- Atlantic Transport Co
- Atlas Asbestos Cement Co
- Atlas Assurance Co
- Atlas Carbon and Battery Co
- Atlas Co
- Atlas Diesel Co
- Atlas Lamp Works
- Atlas Lighting
- Atlas Metal and Alloys Co
- Atlas Non-Puncture Inner Case Syndicate
- Atlas Safety Petrol Filler Co
- Atlas Stone Co
- Atlas Syndicate
- Atmospheric Steam Heating Co
- Atomised Fuel and Engineering Co
- Attaché Case Manufacturing Co
- Attracta Electrical Co
- F. Attwood and Co
- Wallace Attwood College
- Au Fait Foundations
- Aubert and Klaftenberger
- Aublet, Harry and Co
- Audio-Acoustic Diffuseurs
- Auerbach and Steinitz
- Ault and Wiborg Group
- A. Austen and Co
- Auster Engineering Co
- John H. Austin and Co
- Austin and Trimingham
- Austin Friars Steam Shipping Co
- Austin Reed
- E. Austin and Sons
- Frank Austin
- Austins of East Ham
- Australia Concrete Machinery and Engineering Co
- Australia High Commission
- Australian Cycle and Motor Co
- Australian Home Cookery Service
- Australian Joint Stock Bank
- Australian Mutual Provident Society
- Australian Wine Centre
- Austrian State Tourist Department
- Authur and Co
- Auto Aero
- Auto Auctions
- Auto Controls
- Auto Distributors
- Auto Service and Supplies Co
- Auto Sheet Metal
- Auto Valves and Accessories
- Auto-Barrow
- Auto-Carriage Co
- Auto-Combustions (London)
- Auto-Controller Co
- Auto-Klean Strainers
- Auto-Lighter
- Auto-Protection Engineers
- Auto-Trailers
- Auto-Union
- Auto-Wheels
- Auto-Wreckers
- Autobestos Syndicate
- Autocar
- Autocar Exchange
- Autocar Fire and Accident Insurance Co
- Autocar League
- Autocar Marine and Diesel Co
- Autocar Supplies
- Autocars and Accessories
- Autocontrol Boilers
- Autoflow Engineering
- Autoloc Syndicate
- Automatic and Electric Furnaces
- Automatic Awl Co
- Automatic Coil Winder and Electrical Equipment Co
- Automatic Disinfectants
- Automatic Furnace Syndicate
- Automatic Girth Co
- Automatic Signal Co
- Automatic Sprinkler Syndicate
- Automatic Tap Syndicate
- Automaticket
- Automation
- Automobile and Cycle Works
- Automobile Association
- Automobile Components
- Automobile Emporium
- Automobile Engineering Co
- Automobile Exchange
- Automobile Manufacturing Co
- Automobile Markets
- Automobile Proprietary
- Automobile Service Co
- Automobile Trades Guardian Association
- Automobile Transport Co
- Automobiles Bignan (England)
- Automobiles de Luxe
- Automobilia
- Automotive Products Co
- Automotive Services
- Automotor Accessories Co
- Autostrop Safety Razor Co
- Autotype Co
- Autyre Pumps Co
- Auxiliary Steam Power Co
- Avamore Engineering Co
- Avenue Shipping Co
- C. R. Averill
- Avery and Morton
- W. R. F. Avery and Co
- Aves and Moss
- William Owen Aves
- Aviation Servicing
- Aviva
- Avo
- Avon Cosmetics
- Avonmore Engineering Co
- Avro Canada
- Axel Welin
- Axuel Time Switches
- Stephen Ayling
- Aylmer Brothers
- F. H. Ayres
- Ayrton and Perry
- T. B. Ayshford
- AZ Electronic Materials
B
- B. A. S. (Aircraft Components)
- B. and J. Beck
- B. and P. Swift
- B. and R. Engineers
- B. and S. (Manufacturing and Distribution) Co
- B. and S. Folding Gate and Lift Co
- B. B. C. Head Quarters
- B. Bloom
- B. Cohen and Sons
- B. Cook and S. Perkins
- B. D. S. Sales
- B. E. Co (of London and Birmingham)
- B. E. N. Patents
- B. H. B. Self-Adjusting Pistons
- B. J. L. Glass Co
- B. K. B. Electric Motors
- B. K. Partners
- B. M. B. Engineering Co
- B. T. I.
- B. T. Woodproducts (Motor Accessories)
- B. U. T.
- Babcock and Wilcox (Operations)
- Babcock and Wilson
- Babers of Oxford Street
- Baby Scooter Car Co
- J. L. Bacon and Co
- G. W. Bacon and Co
- Baddeley Brothers (London)
- Badminton Bicycle Co
- Badminton Motors
- Badoureau and Jones
- Eugen Baedeker
- Baeder, Adamson and Co
- Bagatelle Restaurant, Mayfair
- Bagcraft
- Bagnall and Co
- Dr. Bagot
- Bagshaw and Morris
- Bahama Islands Tourist Office
- Bahco-Condrup
- Bailey and Lambert
- Bailey's Hotel, London
- Bailey, Pegg and Co
- Baileys Agencies
- William Baily and Sons
- Baird and Tatlock (London)
- Baiss Brothers and Stevenson
- Baker and Co (Holloway)
- Baker and Co (London)
- Baker and Hurtzig
- Baker and Sons (of Brixton)
- Baker Britt and Co
- Baker Perkins Jaxons
- Baker Platinum
- Baker Research Laboratories
- Baker Street and Waterloo Railway
- Baker Street Association of Trained Nurses
- Baker Street Bazaar
- Baker Street Railway Station
- A. A. Baker and Co
- Charles Baker
- F. P. Baker and Co
- G. P. and J. Baker
- Joseph Baker and Sons
- Percy P. Baker
- Richard Baker and Co
- W. H. Baker
- Baker-Dorset Associates
- Bakerloo Line
- Bakkavor Foods
- Balchin, Schulz and Co
- Balcke and Co
- A. J. Balcombe
- Baldry and Yerburgh
- Baldry, Yerburgh and Hutchinson
- T. Baldwin Manufacturing Co
- Balfour, Beatty and Co
- D. Balfour and Son
- Henry T. Balfour
- A. Balian and Son
- Balkan Cigarette Co
- Ball Bearing Supply Co
- Ball, Beavon and Co
- James Ball and Co
- Ballard
- Robert Balls
- Baltic Exchange
- Louis Bamberger and Sons
- Bambergers
- Bamford and Martin
- Bancroft and Partners
- Bancroftian Co
- Banda
- Banham's Patent Locks
- Bank of Africa
- Bank of America
- Bank of Athens
- Bank of Australasia
- Bank of British Columbia
- Bank of British North America
- Bank of Deposit
- Bank of England
- Bank of London and South America
- Bank of Montreal
- Bank of New South Wales
- Bank of New Zealand
- Bank of Tarapaca and London
- Bankside Power Station
- Banner Sanitation Co
- R. P. Bannerman and Son
- Bar's Motor Products
- John Phillips Baragwanath and Co
- Barbados Tourist Board
- G. Barber
- Barbican Tyre Co
- Barclay and Fry
- Barclay and Sons
- Barclay's Brewery
- Barclay, Bevan and Bening
- Barclay, Gray and Lawrence
- Jack Barclay
- Barclay, Perkins and Co
- Barclay, Tritton and Bevan
- Barclay-Stuart (Plastics)
- Barclays Bank
- Barfos
- Barimar
- Baring Brothers and Co
- John and Francis Baring and Co
- W. H. Barker
- Barker and Co (Coachbuilders)
- Barker Brothers, Silversmiths
- Barker Natural Reproducers
- Barker Sound Reproducers
- A. Barker
- A. C. Barker
- Albert Barker
- Charles M. Barker
- John Barker and Co
- Reginald W. Barker
- Barkers of Kensington
- Barkston Motor Co
- B. Barling and Sons
- J. Barlow
- J. Barlow and Co
- Edward C. Barlow and Sons
- Barlow-Whitney
- F. R. Barnard
- William Barnard and Sons
- Barnardo's Homes
- F. Barnes and Co (of London)
- Barnes and Co
- George A. Barnes and Co
- Barnet Ensign Ross
- Barnett and Foster
- S. Barnett (Diving Apparatus)
- Barnett, Son and Foster
- Barnetts, Hoares and Co
- Barnetts, Hoares, Hanbury and Lloyd
- Barnfather Patent Tyre Sustaining Pump
- Barningham
- Barr and Sons
- Barr, Moering and Co
- Barrage Balloons
- J and T. Barralet
- Joseph Barrans
- Barratt and Robinson
- A. Barrett and Sons
- Barrett and Elers
- Barrett Manufacturing Co
- Barretts Country Bottling Co
- Barri
- F. C. Barron and Co
- Barron and Shepherd
- Barronia Metals
- Barrow and Co (of Kensington)
- Barrow and Turner
- Barrow, Hepburn and Gale
- Samuel Barrow and Brother
- Barrus and Cullen
- E. P. Barrus
- Barry and Higham
- Barry Mero
- Barry, Head and Co
- Sir John Wolfe Barry and Partners
- Bars Leaks (England)
- James Bartle and Co
- Bartlett and Partners
- J. Bartlett
- Barton and Co (of London)
- Barton Linnard
- James Barton (of London)
- Bartram and Powell
- Edward Le Bas and Co
- Basil Roy
- H. W. and C. Bassant
- Bassee and Michel
- Bassett and Webster
- Bassett Motor Syndicate
- Bassett Ore and Metal Co
- Arthur Bassett and Sons
- J. Bassett and Sons
- Bastian and Allen
- Bastian Electric Co
- Bastian Meter Co
- John Ursin Bastier
- Bastin, Merryfield and Cracknell
- BAT Motor Manufacturing Co
- H. and T. C. Batchelor
- George Bate
- Bateman and Hill
- A. H. Bateman and Co
- Bateman, Parsons and Bateman
- Bates Brothers
- Bates Cycles
- Bates of London
- Batger and Co
- T. Bath and Co
- W. Bath and Son
- Bath's
- Bathe
- B. T. Batsford
- Battersea Polytechnic
- Battersea Power Station
- Batwin Electric Motors
- J. E. Baty and Co
- M. Bauchet et Cie
- Baughan and Co
- H. C. Bauly
- Baume and Co
- Baumgartner and Co
- Bausch and Lomb Optical Co
- Bavarian Rubber and Asbestos Works
- W. B. Bawn and Co
- Baxenden Chemical Co
- Baxter and Caunter
- Baxter, Fell and Co
- James Baxter
- Bayard Cars
- Bayer (UK)
- C. Bayer and Co
- Charles Bayer and Co
- Bayleys
- Bayliss, Simpson and Jones
- Henry Bayman
- Donald S. Baynes
- H. K. Baynes
- Baynes and Co
- Bayswater Metal Supply Co
- BBC
- BCM/Boilerine
- BCM/Techniprints
- Beach and Co (of London)
- Beacon Light (Valveless) Gas Generator
- John Beal
- Beale and Porter
- Beales
- BEAMA
- Beaman and Deas
- Thomas Bear
- Beard and Co
- Beard and Dent
- R. R. Beard
- Beardmore Motors
- Bearings and Accessories Co
- Bearings Service Co
- Bearmach
- Beasleys
- Beatall Kitchens
- Beatl Sales
- Beatrice Jackson
- A. Beattie and Co
- R. T. Beatty
- Beatty Brothers
- Beaufort's
- Beaufoy and Co
- Francis William Beaumont
- Beautility Furniture
- Beavan, Hogg and Co
- Beaver Board Co
- Becco Engineering and Chemical Co
- Bech, Neale and Co
- Bechler Brothers
- C. Bechstein
- Bechstein Piano Co
- G. N. Beck
- Beck (Chemistry)
- Beck and Candlish
- Beck and Co
- Beck and Pollitzer
- Beck, Koller and Co
- R. and J. Beck
- H. Becker
- R. Becker and Co
- F. E. Becker and Co
- Beckett, Laycock and Watkinson
- A. Beckley
- A. J. Beckmore and Co
- George A. Becks
- Beckton Gasworks
- Bedford Hotel, London
- Bedford Motor Engineering Works
- Bedford Motors
- Bedford Park Automobile Works
- Bedford Riding Breeches Co
- Beecham Foods
- Beecroft, Sons and Nicholson
- Beesley, Son and Nichols
- Beethoven Electrical Equipment
- Beetle Bond
- J. A. Begbie and Co
- Begbie, Twentyman and Co
- Thomas Beggs and Son
- Bel Sound Products Co
- Belco
- Belco Ltd
- Belco Manufacturing Co
- Robert Beldam
- Belgravia Bodies
- Belgravia Dairy Co
- Belgravia Interior Decoration
- Beliard Murdoch
- Bell (Toys and Games)
- Bell and Elliott
- Bell and Maurice
- Bell and Miller
- Bell Patent Supply Co
- Bell Piano and Organ Co
- Bell's Poilite and Everite Co
- John Bell (of London)
- John Bell and Croyden
- John Bell and Son
- John Bell, Hills and Lucas
- Bellingham and Stanley
- Thomas K. Bellis
- Bellman Hangars
- Bellman and Ivey
- Bellman, Ivey and Carter
- N. S. Bellman and Co
- Bellrock Gypsum Industries
- Bells Control Equipment
- Bells United Asbestos Co
- Belshaw and Co
- Belships Co
- Belsize Tunnel
- Beltfasteners
- D. M. Bembaron
- Benbow's Dog Mixture Co
- Bender and Cassel
- Bendit Brothers
- Bendix and Herbert
- G. Bendon and Co
- Benetfink and Co
- Benetfink and Fox
- Benetfink and Jones
- Benfrey
- Herbert Benham and Co
- Benham and Sons
- Benham and Froud
- Beningfield and Beale
- Bertie B. Benjamin
- Benlow
- Benn Brothers (Publishers)
- E. Bennett and Son
- F. S. Bennett
- Bennett and Son
- Bennett and Sons
- Bennett's Wood Flooring (Tungit) Co
- Isoult M. Bennett
- J. Bennett
- John Bennett
- Sir John Bennett
- Bennett, Sons and Shears
- Sydney Benskin and Co
- Bensley and Dedman
- Benson's
- J. W. Benson
- Robert Benson, Lonsdale and Co
- Bentalls
- Bentick and Pelham
- J. T. Bentley
- Bentley Acoustic Corporation
- J. F. Bentley
- Benz Motors
- O. Berend and Co
- Berendsen
- Beresford and Hicks
- F. Beresford
- Bergen Line
- Berger and Co
- Berger, Jenson and Nicholson
- Lewis Berger and Sons
- Berger, Spence and Co
- Bergmann Electrical Works
- Bergtheil and Young
- Berite
- F. W. Berk and Co
- Berkefeld Filter Co
- Berkel Auto Scale Co
- Berkeley British Brush Co
- Berkeley Catering
- Berkertex
- M. Berkoff
- Arthur Berliner
- Bermuda Travel Agency Office
- Bermuda Travel Information Office
- Bernard and Crannis
- Berne Silk Manufacturing Co (England)
- Berners and York Hotels, London
- Eric H. Bernfeld
- Bernhardt and Myers
- Bernina Sewing Machines
- Bernstein Electric Lamp Co
- William Bernstein (Furriers)
- Berrick Brothers
- George Berridge and Co
- Berry Electric Magicoal
- Berry Wiggins and Co
- Berry's (Short Wave)
- Berry's Electric
- Z. D. Berry
- Bertelli's Catramin Co
- A. Berthold and Co
- Arthur Berton
- C. Bertrand
- F. W. Berwick and Co
- Robert Besley and Co
- Bessbrook Spinning Co
- Bessemer Motor Co
- Bessemer Steel and Ordnance Co
- Bessler, Waechter and Co
- F. Besson and Co
- William Best and Sons
- Best Belting Co
- Thomas Best
- Bester (london)
- Bestyres
- Besway Manufacturing Co
- Kenneth E. Beswick
- Beta Engineering Co
- G. Betjemann and Sons
- Betta Biscuit Co
- S. Bettmann and Co
- Betula
- A. W. Beuttell
- Edward Bevan and Co
- Beverley Aeroplane Works
- Bevington and Morris
- Bevington and Sons
- Bevingtons and Sons
- Bevis and Co
- Bewick, Moreing and Co
- Bewlay and Co
- A. C. Beyltjens
- Bi-Metals (Britinol)
- A. H. Biagiotti
- Bianchi Motors
- J. and S. Bickley
- Bicones
- Bicycle and Tricycle Supply Association
- Biddle Holdings
- I. Bier and Son (Overseas)
- Bifurcated and Tubular Rivet Co
- Bifurcated Rivet Co
- Big Ben
- H. Bigg and Son
- Biggs, Wall and Co
- Bijouchic
- Bile Beans
- W. Bill
- William Bill
- J. Billig and Sons
- Billing and Co
- Billings and Spencer Co
- Billiton UK
- Billy Tools Co
- Bimetals
- Bimini
- C. R. Binney
- Binnie, Deacon and Gourley
- Binnie and Partners
- Sir Alexander Binnie, Son and Deacon
- Binns and Taylor
- A. J. Binns
- G. Binswanger and Co
- Alfred Binyon
- Birch (London)
- Birch and Gaydon
- John Birch and Co
- W. Bird and Sons
- Bird and Storey
- Arthur Bird and Co
- Birfield Industries
- Birkbeck Bank
- Birkbeck College
- Birkbeck Pneumatic Saddle Cover Co
- Birmingham and Midland Tramways
- Birmingham Motor Omnibus Co
- Birmingham, Bristol and Thames Junction Railway
- Birrell and Rotheroe
- H. M. Birstall
- Bishop (of London)
- Bishop's Safety Tread Co
- Alfred Bishop and Sons
- F. A. Bishop and Co
- J. Bishop and Co
- R. C. Bishop and Son
- Bishopsgate Plate Glass Warehouse
- Bishopsgate Street Railway Station
- Bissell's
- K. Bisset and Co
- Black and White
- B. Black and Son
- Black, late Honeywill and Black
- Peter Black (London)
- Thomas Black and Sons (Greenock)
- C. H. Blackburn and Co
- Blackburn and Co
- Blackburn and Son
- Blackburns (London)
- W. Blackett
- Blackfriars Bridge
- Blackfriars Bridge Railway Station
- Blackfriars Railway Bridge
- Blackfriars Railway Station
- Blackhawk
- Blackman and Conrad
- Blackman Ventilating Co
- Keith Blackman
- Blackmore, Howard and Metherell
- Blackwall and Woolwich Steamboat Co
- Blackwall Tunnel
- Robert W. Blackwell and Co
- Blackwood and Co
- Blades, East and Blades
- Victor Blagden and Co
- J. S. Blair and Son
- R. A. Blair
- Blake and Knowles Steam Pump Works
- Blake's
- F. C. Blake
- T. O. Blake (Sikes Hydrometers)
- Blakely Ordnance Co
- J. Blanch and Son
- Mark H. Blanchard and Co
- Blanchard Lamps (British)
- Bland Light Syndicate
- Blanks
- W. B. De Blaquiere
- T. Blashill
- Blast Furnace Power Syndicate
- Lindsay Blee and Co
- Bleichert's Aerial Transporters
- Blenheim Motor Co
- Bleriot
- Bleriot Lamps
- Blewis and Shaw
- Blick
- Blind Employment Factory
- E. W. Bliss Co
- Blizzard
- Block and Co
- Block Light
- Block, Deroy and Co
- G. R. Blot and Co
- Bloxham and Fourdrinier
- Blue Anchor Line
- Blue Belle Motors
- Blue Belle Transport
- Blue Star Line
- Bluebell Metal Polish
- Blumann and Stern
- F. R. Blumel
- Blumenthal
- J. Blumenthal and Co
- Blundell and Co
- Blundell and Crompton
- Blundell's London Copper and Brass Works
- Blundell, Spence and Co
- Blundells and T. Albert Crompton and Co
- Blunden
- J. F. Blyth and Co
- John and Alfred Blyth
- A. Boake, Roberts and Co
- Board of Agriculture
- Board of Invention and Research
- Board of Trade
- J. Boas and Son
- William Boby
- Bodmer and Jones
- R. and L. R. Bodmer
- Body Builder's Supply Co
- J. Boehlen and Co
- Frederick Boehm
- H. Boehme and Co
- Boilerine
- John Bolding and Sons
- Bolinders Co
- Bolingbroke House Mills
- Bolling and Lowe
- R. Bolton and Co
- Bon Marche
- Bon Vivant
- Bonallack and Sons
- Bond's O' Euston Road
- A. W. Bond
- Arthur W. Bond
- Bonds of Euston Road
- Bonecourt Waste Heat Boiler Co
- Bonelli's Electric Telegraph Co
- F. G. Bones
- Bonham
- Bonhams
- W. A. Bonnell
- Bonnington Hotel, London
- Bonsall, Marsh and Brown
- Bonsall, Marsh and Co
- Bonsall, Marsh and Grey
- Bonsall, Marsh and Guy
- H. and F. Bonten
- Bonthorn and Co
- Bonwick
- J. H. Boobbyer
- Booker Group
- Booker McConnell
- Boon and Porter
- Boord and Son
- Boosey and Hawkes
- Booth's Gin
- Boothby and Thompson
- Borax and Chemicals
- Borax Consolidated
- Bord Motor Co
- Borham Engineering Co
- Borough Waterworks Co
- Borst Brothers
- W. Borwick and Co
- George Borwick and Sons
- Bosch Magneto Co
- Bose Brothers
- Charles Boss
- Boss and Co
- Boss Industrial Mouldings
- Boston Leather Sole Co
- Bostons Coffee and Chop House
- Bostwick Gate Shutter and Co
- P. Boswell and Sons
- Bott and Stennett
- F. Botting
- Bottle Seal Co
- A. H. Boughton
- Bougie Pognon
- Boult and Wade
- Boult, Wade and Kilburn
- Boult, Wade and Tennant
- Joseph Boulton
- Boulton Tubular Structures
- J. Bounds
- E. Bourdon
- Bourec
- Bourne and Hollingsworth
- Bourne Drying and Ventilating Co
- John Bourne and Co
- Bourne, Johnson and Latimer
- Bousfields
- Boussod, Valadon and Co
- Boutalls Chemists
- T. F. Boutle and Co
- Bouts Brothers
- Bouyant Motor and Cycle Co
- Boving and Co
- Jens Orten Boving and Co
- Bovis
- C. W. Bovis and Co
- Bow Common Gasworks
- Bow Creek Bridge
- W. V. Bowater and Sons
- Bowaters Building Boards
- Bowaters Sales Co
- Bowden
- J. Bowden
- Bowden Wire
- E. M. Bowden's Patents Syndicate Co
- Bowdens Patent Bellows
- G. and C. Bowen
- Bowen and Co
- R. M. Bowen
- Bower and Cotton
- Bower Electric (1926)
- John Bower (of Clerkenwell)
- S. H. Bowerman
- A. Bowes and Co
- Bowes Scott and Read
- Bowes, Scott and Western
- Bowler Products
- S. Bowley and Son
- Frederick Bowman
- Bowmans (Furniture)
- Bowring Brothers
- Bowring Petroleum Co
- Bowser International
- S. F. Bowser and Co
- Boyd
- D. O. Boyd
- James Boyd and Sons
- Boyd-Carpenter and Co
- Boyd-Carpenter and Thompson
- Boydell and Glasier
- Robert Boyle and Son
- Boyle, Campbell, Buxton and Co
- Boynton, Dowsett and Co
- Boyriven
- Boys and Burn
- BP
- BP Industrial Lubricants
- BPB Industries
- Frederick Braby and Co
- Bradbury, Agnew and Co
- Bradbury, Rinman and Co
- T. Bradford and Co
- Thomas Bradford and Co
- Bradix and Co
- L. Bradley
- Bradley and Coxen
- Bradley Pulveriser Co
- Bradley Pulverizer Co
- G. and E. Bradley
- Bradleys' (The Arctic Fur Store)
- Bradshaw and Blacklock
- Bradshaws Asphalte Co
- Bradville Trading Co
- J. L. Bragg
- Brainsby and Sons
- Braithwaite and Milner
- Braithwaite, Milner and Co
- Bramah and Co
- Bramah and Dickinson
- Bramah and Prestage
- Bramah and Robinson
- Bramah and Sons
- Bramah, Prestage and Ball
- Brameld
- Bramigk and Co
- Bramley and Co
- Bramwell and Harris
- Brand and Co
- Brand's Essence
- Charles Brand and Son
- S. Brannan and Sons
- Bransom Manufacturing Co
- Bransom, Kent and Co
- Brasier Cars
- Brass Pressings (London)
- Brassey and Ogilvie
- Brasted Brothers
- Bradley Thomas Batsford
- Bratt Colbran
- G. Braulik
- Braun and Co
- Charles E. Braun and Co
- Bravingtons
- Brawn and Co
- Bray and Elmsley
- Bray's Traction Engine Co
- Bray, Gibb and Co
- A. A. Brazier and Co
- Brecknell, Turner and Sons
- Breeze Cycle
- Breidenbach
- John A. Bremner and Co
- Bren Manufacturing Co
- Brenell Engineering Co
- Bretherton and Bryan
- Brett Daniels
- Caleb Brett and Son
- Breves Galleries
- Brevitt Shoes
- Brew Brothers
- Henry J. Brewster and Co
- Brian Lewis and Co
- Brianco (London)
- Brice, Palmer and Co
- Bricklayers' Arms Station
- L. Brickman
- Bricknell and Co
- Bridges, Ashbury and Co
- S. N. Bridges and Co
- G. Briggs and Co
- George Briggs and Co
- George Briggs and Co (3)
- W. Briggs and Sons
- William Briggs (of London)
- Bright and Hayles
- Bright's Asphalt
- A. A. Bright
- R. Bright
- Brighton and Venning
- E. Brill
- Brin's Oxygen Co
- Brindley and Foster
- Brinjes and Goodwin
- Brinley Richards
- John Brinsmead and Sons
- Bristol Co
- Bristol Electric Safety Lamp Works
- Bristow and Witham
- T. F. Bristow and Co
- Bristows Lanolin
- Brita Liquid Metal Polish Co
- Britain Toys
- Charles Britain (Radio)
- Britains
- Britannia Electric Lamp Works
- Britannia Electric Lamp Works (1934)
- Britannia Life Assurance Co
- Britannia Supply Co
- Britannia Toy Co
- Briteagle
- Britec
- Britex (Scientific Instruments)
- British Abrasive Wheel Co
- British Acoustic Films
- British Aerial Transport Co
- British Air Brake Co
- British Airline Pilots Association
- British Alkaloids
- British Aluminium Co
- British American Land Co
- British American Optical Co
- British and American Salmon Curing Co
- British and Colonial Furniture Co
- British and Colonial Manufacturing Co
- British and Colonial Motor Co
- British and Colonial Trust and Assurance Co
- British and Continental Artists
- British and Dominions School of Drawing
- British and Foreign Electrical Vehicle Co
- British and Foreign Gas Generating Apparatus Co
- British and Foreign Industrials
- British and Foreign Sailors' Society
- British and General Tube Co
- British and Saar Steel Co
- British Anodising
- British Arc Welding Co
- British Arca Regulators
- British Artid Plastics
- British Asbestos Co
- British Australian Telegraph Co
- British Automatic Loom Co
- British Automobile Commercial Syndicate
- British Aviation Insurance Co
- British Bank of South America
- British Bariquand and Marre Engine Co
- British Benzol and Coal Distillation
- British Berma Motor Lorries
- British Blue Spot Co
- British Broadcasting Corporation
- British Bronson Co
- British Bronze and Silvo Metal Co
- British Brown-Boveri
- British Brush Co
- British Butanic
- British Carnival Novelties
- British Cattle Foods Co
- British Cedar Wood Separator Co
- British Celanese
- British Cellulose and Chemical Manufacturing Co
- British Central Electrical Co
- British Ceresit Waterproofing Co
- British Cigarette Automatic Machine Co
- British Clip Co
- British Coalite Co
- British Columbia Lumber Manufacturers Association
- British Commercial Insurance Co
- British Construction Co
- British Constructional Steelwork Association
- British Cork Mills
- British Crepe Paper Manufacturers
- British Cycle Manufacturing Co
- British Cystoscope Co
- British Dardelet Threadlock
- British de Forest Phonofilms
- British Doloment Co
- British Door Association
- British Drawing Ink and Adhesive Manufacturing Co
- British Drying and Heating Co
- British Ebonite Co
- British Electric Equipment Co
- British Electric Lamps
- British Electric Light Co
- British Electric Telegraph Co
- British Electric Traction Co
- British Electrical and Allied Industries Research Association
- British Electrical Development Association (BEDA)
- British Electrical Federation
- British Electricity Authority
- British Electro-Chemists
- British Electromobile Co
- British Empire Cancer Campaign
- British Empire Leprosy Relief Association
- British Empire Mutual Life Assurance Co
- British Empire Mutual Life Office
- British Engineering Standards Association
- British Engineers Export Agency
- British Engineers' Association
- British Engraving and Nameplate Manufacturing Co
- British Ensign Motors
- British Equipment Co
- British Ever-Cold
- British Export Trade Research Organisation (BETRO)
- British Fittings Co (Hendon)
- British Flettner Ventilator and Equipment Co
- British Fottinger Marine Transformers
- British Friesian Cattle Society
- British Fuel Economiser and Smoke Preventer
- British Fur Co
- British Gas
- British Gas Council
- British Gas Engine and Engineering Co
- British Gas Engine Co
- British Gas Federation
- British Gas Light and Coke Co
- British Gaslight Co
- British Gelatine Works
- British General Manufacturing Co
- British Geon
- British Germain Motor Co
- British Glass Industries
- British Glues and Chemicals
- British Goodrich Rubber Co
- British Graetzin Light
- British Grille Water-Tube Boiler Co
- British Hard Court Co
- British Hermeseal
- British Home for Incurables
- British Home Utilities Co
- British Homophone Co
- British Hong-Kong Tea Co
- British Indian Extension Telegraph Co
- British Indoor Pastimes
- British Institute of Engineering Technology
- British Institution of Radio Engineers
- British Instrument Co
- British Iron and Steel Corporation
- British Iron and Steel Federation
- British Jaeger Instruments
- British Landing Gears
- British Law Fire Insurance Co
- British Lead Manufacturers Association
- British Legion
- British Library
- British Lion Motor Car Co
- British Ljungstrom Marine Turbine Co
- British Loan and Discount Co
- British Low Accessories Co
- British Maid Co
- British Malt Extract Co
- British Malt Products Co
- British Mannesmann Tube Co
- British Match Co
- British Maxa
- British Maxium
- British Mechanical Productions
- British Mercedes-Benz
- British Metal Corporation
- British Metallising Co
- British Mexican Petroleum Co
- British Mining and Metal Co
- British Motobloc Syndicate
- British Motor Boat Manufacturing Co
- British Motor Trading Corporation
- British Motorsign Co
- British Moulded Plastics
- British Museum
- British Mushroom Industry
- British Music and Tennis Strings
- British Mutoscope and Biograph Co
- British Mutual Bank
- British Nation Life Assurance Association
- British Niclausse Boiler Co
- British Nicollwood Co
- British North Borneo Co
- British Nova Works
- British Oil and Cake Mills
- British Oil and Turpentine Corporation
- British Olivetti
- British Ore Concentration Syndicate
- British Oxygen Aro Equipment
- British Oxygen Co
- British Oxygen Gases
- British Petroleum Co
- British Photo-Engraving Co
- British Photographic Manufacturers Association
- British Piano Manufacturing Co
- British Pianoforte Manufacturing Co
- British Pipeless Central Heating
- British Pix Co
- British Plaster Board
- British Plimber
- British Portland Cement Manufacturers
- British Protector Life Assurance Co
- British Quadruplex
- British Radial Engine Co
- British Radio Gramophone Co
- British Radio Valve Manufacturers Association
- British Rail Engineering
- British Railways Car Ferries
- British Relay Wireless and Television
- British Reverberatory Furnaces
- British Road Federation
- British Road Services
- British Road Tar Association
- British Rototherm Co
- British Rubber Development Board
- British Russel Parachute Co
- British Sansomian Rubber Tyre and Wheel Co
- British Sarozal
- British School Of Motoring
- British School of Telegraphy
- British Schuckert Electric Co
- British Scientific Instrument Research Association
- British Silverware
- British South Africa Co
- British Standards Institution
- British Steel Corporation
- British Structural Steel Co
- British Sure Seal Co
- British Tap and Die Co
- British Telecom
- British Telegraph Instrument Co
- British Telegraph Manufactory
- British Time Recorder
- British Timepieces
- British Toy and Novelty Co
- British Tramways and General Construction Co
- British Trane Co
- British Transfer Printing Co
- British Transport Commission
- British Transport Docks Board
- British Transport Museum
- British Trawlers' Federation
- British Trolley Track Co
- British Turvey Treatment Association
- British Tyre and Rubber Co
- British Uralite Co
- British Vacuum Cleaner and Engineering Co
- British Vacuum Cleaner Co
- British Vinegars
- British Viscoid Co
- British Watch Cases
- British Water-proofing Co
- British Waterways
- British Weaver Manufacturing Co
- British Welding Co
- British Westinghouse
- British Wire Netting Manufacturers Association
- British Woodworking Machinery Corporation
- British Zeppelin Syndicate
- BICC
- British, Continental and American Travellers' and General Agency
- British-Russia Gazette and Trade Outlook
- Briton Lamps
- Briton Life Association
- Britoyl Lubricants
- Brittain's Electric Motor Co
- Britten and Gilson
- Arthur Brittlebank
- L. A. Britton and Sons
- Brixton Cable Tramway
- Brixton Motor Works
- Broad and Co
- Broad Street Railway Station
- Alison Broadhurst Machine Co
- Broadhurst, Clarkson and Co
- Broadway Equipment
- John Broadwood and Sons
- Broadwood, White and Co
- Brockbank and Atkins
- Brockhurst and Sullivan
- Brockie-Pell Arc Lamp
- Brocks Alarms
- Brocks Group
- J. Brodie
- Brodie Mack Correspondance Art School
- Brodie-Kent
- Brogden and Co
- Alexander Brogden
- Bromark Pneumatic Paint Brush
- Bromhead and Co
- Bromheads
- Bromley-Langton Electric Wire and Insulator Co
- Brompton and Kensington Electric Supply Co
- Brompton and Kensington Electricity Supply Co
- Brompton and Piccadilly Circus Railway
- Brompton Cemetery
- Brompton Motor Co
- Bromwell Publishing Co
- Brooke, Simpson, and Spiller
- Brooker, Dore and Co
- Brookes (Halifax)
- Brookite
- Brooklands Motors
- Brooklands of Bond Street
- Brookman and Langdon
- T. H. Brooks
- Brooks and Bohm
- Brooks and Walker
- Brooks Appliance Co
- W. and K. Broom
- A. Brooman
- Broomhall Tile and Brick Co
- George J. S. Broomhall
- Brotherhood and Hardingham
- Brothers and Babington
- Brough, Nicholson and Hall
- Brouhot Motor Co of Great Britain
- Augustus Brown
- B. Brown's Motor Works
- C. J. Brown
- G. and A. Brown
- H. T. Brown and Sons
- S. Brown and Co
- Samuel Brown
- W. J. Brown Furniture Co
- Brown and Adams
- Brown and Griffin
- Brown and Harfield
- Brown and Knap
- Brown and Layfield
- Brown and Meluish
- Brown and Perring
- Brown and Son
- Brown and Tawse Tubes
- Brown Brothers
- Brown's Bronchial Troches
- Brown's Shipbuilders (Cornwall)
- A. B. Brown and Co
- A. J. Brown and Co
- A. S. Brown and Co (Manufacturing)
- Alfred Brown and Sons
- Arthur R. Brown and Co
- Brown, Brothers and Co
- C. Brown
- David Brown Corporation
- David Brown Gears (London)
- E. Brown and Son
- Grace Brown
- Brown and Green
- Brown, Hughes and Strachan
- James Brown
- James Brown, Bryce and Co
- John Brown and Son
- J. B. Brown and Co
- Neville Brown and Co
- R. Melville Brown
- Samuel Brown and Co
- Thomas Brown and Sons
- William Brown and Co
- Browne and Co
- Browne and Wingrove
- T. B. Browne (Advertising)
- Brownie Wireless Co of Great Britain
- John Browning
- Brownings Electric Co
- E. L. Bruce Co
- Robert Bruce and Sons
- Bruce and Co
- Bruce Hall Plate Co
- A. K. Bruce (2)
- Bruce, Dawson and Co
- William F. Bruff
- Bruford and Heming
- Bruno Lion and Co
- Brunsviga
- Brunswick Dock
- Brunt Motors
- Brunton and Co
- Brunton and Trier
- Brunton Brothers
- Bruton and Co
- J. Bruton and Sons
- Charles Bruton
- Bryan Brothers and Co
- Bryan Donkin and Co
- Frank Bryan
- F. E. Bryant
- Bryant Symons and Co
- Robert Bryant
- Bryce White and Co
- Bryce, Robarts and Co
- Henry Bryceson
- John Bryden and Sons
- Brydor Products
- BTR Industries
- John and James Buchanan
- Buchholz, Lean and Metcalfe
- Buck and Co
- Buck and Hickman
- Buck and Moseley
- Buck and Ryan
- Buck and Wootton
- Buckett Brothers
- Buckingham and Adams
- A. F. Buckingham
- G. F. Buckland and Co
- Buckley Brothers
- Bucknall Nephews
- D. Buckney
- Buell
- Buhring's Patent Water Purifying Co
- Builders Copper Tube Co
- Builders Copper Tube Supply Co
- Builders Merchants Journal
- Building Acts Fire Escape co
- Building and Domestic Supply Co
- F. E. Bull
- John Bull
- Henry Bull and Co
- John Bull Pen Co
- Bull-Dog Tyre Grip Co
- Bulle Clock
- Bullen and Aske
- Buller and Co
- Bullivants Aerial Ropeways
- Bulls
- Bulmers (W. Percy Bulmer)
- D. Bumsted and Co
- Bun Penny
- British Bundy Co
- Bungalow, London
- Bunge and Co
- Bunnett and Co
- BUPA
- Burberrys
- Burbidge and Healy
- Burchfield and Son
- C. L. Burdick Manufacturing Co
- C. T. Burgess
- Burgess Lion Ointment
- John Burgess and Son
- W. J. F. Burgess
- W. J. F. Burgess and Co
- Burgoyne Engineering Co
- Burgoyne Wireless
- Burgoyne, Burbidges and Co
- Burke Textiles
- Burley, Farris and van Zanten
- Burlington Carriage Co
- Burmah Oil Co
- Burmah-Castrol
- J. and A. J. Burman
- Burmeister and Wain
- Burn Brothers
- Burnard and Co
- Burnerd and Co
- F. Burnerd and Co
- A. Burnet and Co
- Sir Robert Burnett and Co
- Burney and Co
- Burns Hotel, London
- Burovox
- Burrell Radio
- Burroughes and Watts
- W. J. Burroughes and Sons
- Burroughs Brothers
- Burroughs, Wellcome and Co
- W. Burrows
- George Burrows and Co
- Burrup, Mathieson and Sprague
- Burstall and Monkhouse
- Burstinghaus and Co
- A. and C. Burt
- N. Burt and Co
- R. C. Burt
- Burt and Potts
- Burt Brothers (Bow)
- Burton, Griffiths and Co
- William S. Burton
- Burton and Pasfield
- Burton G. Raymond
- Burton Holt (Chelsea)
- D. Burton
- William Burton and Sons (Bethnal Green)
- Bury and Pollard
- M. H. Busby
- Emil Busch Optical Co
- Bush and Chipper
- Bush Beach and Gent
- Bush, Beach and Gent
- Henry W. Bush and Co
- Business Account Books
- Business Brokers
- Business Dictionaries
- Buss and Elston
- Henry Butcher and Co
- W. Butcher and Sons
- Claud Butler
- G. Butler's
- Butler and Wise
- Butler's Petrol-Cycle Syndicate
- Chris Butler
- James Butler and Co
- Butler, McCulloch and Co
- Butter Information Council
- Butterworth and Co
- Butterworth Group
- BX Plastics
- John Byford and Son
- A. A. Byrd and Co
- Bystander
- Bywater and Co
- G. H. and A. Bywaters
- H. A. Byworth and Co
C
- C. A. C. Radio and Co
- C. A. Fenwick
- C. A. S. (Industrial Developments)
- C. and A. Oldridge
- C. and G. Kearsley
- C. and N. P.
- C. and P. Development Co
- C. B. Harness
- C. B. Kent and Sons
- C. B. Tanner
- C. Barrett and Co
- C. Best
- C. Bond and Son
- C. Boss
- C. C. Gambles and Co
- C. Casper and Co
- C. Cockayne-Naylor
- C. D. Monniger
- C. D. Richford
- C. F. Anderson and Son
- C. F. B.
- C. F. Ennis
- C. F. Moore and Sons
- C. G. Mueller
- C. G. Templer and Co
- C. Gilbert-Wood
- C. Groom
- C. H. Hurst
- C. H. Lorberg
- C. Horace Clarke
- C. J. Lytle (Advertising)
- C. Jenkins and Co
- C. Jukes and Co
- C. M. I. Products
- C. M. Richmond
- C. Osborne and Co
- C. Otto Gehrckens
- C. R. Heap
- C. S. Meik and Buchanan
- C. Simeons and Co
- C. V. Radcliffe
- C. W. Smith, Son and Co
- C. Z. Auckland and Son
- C.F.Gerhardt
- Cable and Wireless
- Cable Makers' Association
- Cable Tie Supplies
- Cabot Carbon
- CACI Products Co
- Charles Cadby
- R. Cadisch and Sons
- Charles Shirley Cadman
- Cadogan Foundry
- Cadogan Garage and Motor Co
- Cadogan Ironworks
- H. Cahen and Son
- Caird and Rayner
- Cairns, Noble and Co
- Cakebread-Robey and Co
- Caldwell Heaters
- Caledonian Motor Carriage Co
- Callaghan and Co
- Callard and Bowser
- W. Callcut
- George M. Callender and Co
- Monte Callow and Co
- Calman Links
- Calmon Asbestos and Rubber Works
- Calor Gas
- Caloria Co
- Caloric Engine and Siren Fog-Signal Co
- Calorizing Corporation of Great Britain
- Calphos Electrical Co
- Calvert and Seward
- Calvert, Cornes and Harris
- Calverts Motor Cycle
- I. Calvete
- Calyx Drill and Boring Co
- Camack Browne
- Cambridge and Paul Instrument Co
- Cambridge Instrument Co
- Camco (Machinery)
- Camden Brewery
- Camden Engineering Co
- Camel Accumulators
- Camerer, Kuss and Co
- F. B. Cameron and Co
- Camp and Sports Co-operators
- Camp Bird
- Campbell and Gray
- Campbell and Schultz
- Duncan Campbell
- Dugald Campbell
- Campbell, Johnson and Co
- Campbell, Johnstone and Co
- Campden Hill Waterworks
- F. W. Campin and Co
- Camtoux and Co
- Camwal
- Canada Life Assurance Co
- Canadian Specialities Co
- Canal Voyagers
- Cancer Hospital
- Candler System Co
- Candles
- Candy Filter Co
- Cane Connection
- Canex Co
- Cann and Taylor
- Cannans Soap Works
- Canning Town Glass
- Cannon and Co
- Cannon and Miller
- Cannon Street Railway Bridge
- Cannon Street Railway Station
- Cannon's
- W. F. Cannon
- Cannstatt Automobile Supply Association
- Cannstatt-Mercedes
- Cantines
- Capac Co
- Caparo Group
- Capasco
- Cape Asbestos Co
- Cape Insulation and Asbestos Products
- Jonathan Cape
- Capel and Co
- Capewell Horse Nail Co
- Capital Flannelette
- Capital Hotel, Knightsbridge
- Capital Motor Co
- Capital Patent Crane
- Caplin Engineering Co
- Capricorn Industrial Services
- Captain Chiosso
- Car and General Insurance Corporation
- Car Fitments
- Car Hood Co
- Car Supply Co
- Car-Mat Co
- Caravan Publications
- Carbic
- Carbide of Calcium Supply Syndicate
- Carborid
- Carborundum Co
- Carbotron Heating Co
- Carburation
- Carbutt and Co
- Carden Heating and Fireplace Co
- Carden Press
- W. Cardinal and Co
- Cardinal and Harford
- Carefree Catering Equipment
- Carels Diesel and Steam Engines (London)
- Caressa Toilet Requisites
- Carey Transmission
- H. W. Carey
- Carfax Cards
- Caribonum
- Thomas Carle
- Carlisle and Clegg
- Carlton Industries
- Carmo Car Centre
- H. Carmont
- Carmont's Noiseless Shielded Rubber Tyre Co
- Carnaby and Co
- William Inglis Carne
- Carobronze
- H. Carpenter and Son
- Carpenter and Westley
- William Carpenter
- Carpet Galleries
- Carpet Selection Centre
- Carpmael and Co
- Carr and Son
- Carreras
- Carriage Insurance Co
- Carrier Engineering Co
- Carrier-Ross Engineering Co
- Carrimore Six Wheelers
- Carrington and Co
- Carrington Manufacturing Co
- H. V. Carrington
- Carroll Purifier
- Carrosserie Latymer
- Carruthers and Wilson
- Cars and Motor Sundries
- Carson and Co
- F. M. Carson
- Walter Carson and Son
- Walter Carson and Sons
- Carstairs
- Carstone
- G. H. Carter
- J. E. Carter
- Carter (Barpart)
- Carter's Gas Valves
- A. B. Carter and Co
- Alfred Carter
- Alfred T. S. Carter
- H. and A. Carter
- Henry Cater
- J. Carter (London)
- James Carter, Dunnet and Beale
- John Carter and Sons
- J. Harrison Carter
- Carter, Paterson and Co
- Carter-Davis
- Carter-Parratt
- Carters
- Cartier
- A. Cartledge and Sons
- R. S. Cartwright
- Cartwright, Jordan and Co
- Carville
- Cary
- C. F. Casella and Co
- Louis Casella and Co
- Louis P. Casello and Co
- J. Casey
- James Casey
- Cashmore Brothers
- Caslon and Co
- Caslon and Son
- H. W. Caslon and Co
- Cass's Motor Mart
- Cassell and Co
- Cassell, Petter and Galpin
- Casswell
- Castell
- Castell Brothers
- Castle Line
- Castle Mail Packets Co
- Castle Shipping Co
- Castle's Shipbreaking Co
- Caston and Co
- Caston Barber
- Caswell Cranes and Erection
- Caswells
- Cater and Walker
- Caterpillar Tractors
- Catesbys
- Catford D. S.
- Cathcart and Co
- Catholic Press
- Catmur Machine Tool Corporation
- Catophrene
- Cator and Golledge
- R. Cattle
- Catto, Mather
- Caucasian Petroleum Export Co
- Hans St. George Caulfeild
- S. and C. Causley
- Causton Purr
- Sir Joseph Causton and Sons
- Cavanders
- H. J. Cave and Sons
- C. W. Cave and Co
- Cavendish Furniture Co
- Helen Cavendish
- Caxton Chocolate Co
- Caxton Electric Developments
- Caxton House
- Caxton Name Plate Manufacturing Co
- Caxton Publishing Co
- Ceag
- G. Cecil Gnapp and Co
- Cecil Hodges and Co
- Cecil Hotel, London
- Cedes Electrical Traction Co
- CEGB
- Celebes Storage Co
- Celebritone
- Celebrity Gramophones
- Cellactite and British Uralite
- Cellular Clothing Co
- Celluloid Co
- Celotex
- Celotex Co of Great Britain
- Cement Marketing Co
- Cementation (Muffelite)
- Central Bank of London
- Central Chemicals
- Central Cottage Improvement Society
- Central Currant Office
- Central Cyclone Co
- Central Electric Supply Co
- Central Electrical Co
- Central Electricity Authority
- Central Flooring
- Central London Railway
- Central Mining and Investment Corporation
- Central Motor Car Co
- Central Motor Co
- Central Technical College
- Central Traction Co
- Central Translations Institute
- Central Zinc Co
- Century Cars
- Century Engineering and Motor Co
- Century Thermal Bath Cabinet
- Certus Gearless Co
- Chadwick and Shapcott
- Chalie, Richards, Holdsworth and Co
- Chalk and Harris
- Charles H. Challen and Son
- Challenge
- Challenge Rubber Mills
- Chalmers Brothers
- Chalton Piano Co
- Chamberlain Industries
- Chamberlain Parking Systems
- A. T. Chamberlain and Co
- R. W. Chambers
- Chambers and Picking
- Chambers and Sons
- Chambers Filterbag Co
- Robert Chambers and Co
- Champion Electric Corporation
- H. M. Champion and Co
- Champion and Co
- Champion Hill Steam Laundry
- Champion Rock Borer and Air Compressor Co
- Champion Valve Co
- Champion's Vinegar
- Chance, Homer and Chance
- C. Chancellor and Co
- Chancery Lane Safe Deposit and Offices Co
- W. Chandler
- Chandler and Oliver
- James Chandler
- Channel Tunnel Co
- Chaplin and Co
- Chaplin and Horne
- Wimshurst, Hollick and Co
- Chaplin's
- H. J. Chapman and Co
- Chapman and Hall
- Chapman and Sutton
- Chapman Brothers
- C. T. Chapman
- James Chapman and Sons
- M. Chapman, Son and Co
- P. E. Chappuis
- Chappell and Co
- Chappell Piano Co
- Herbert Chappell
- Charbens
- Charham Products
- Charing Cross and Strand Electric Supply Co
- Charing Cross Bridge
- Charing Cross Railway
- Charing Cross Railway Bridge
- Charing Cross Railway Station
- Charing Cross, Euston and Hampstead Railway
- Charing Cross, West End and City Electricity Supply Co
- Charing-Cross Bank
- Charles A. Klemm
- Charles A. Osborn
- Charles Amplifiers
- Charles Appleby and Co
- Charles Auchterlonie and Co
- Charles B. King and Co
- Charles B. Symons
- Charles Baker and Co
- Charles Ball and Co
- Charles Bardies
- Charles Bate Cook
- Charles Bates Cook
- Charles Bingham and Co
- Charles Brodie and Co
- Charles Butler
- Charles C. Grey
- Charles Cohen Tool Co
- Charles Cole
- Charles Cutler
- Charles E. Moore
- Charles E. Thompson (Engineering)
- Charles Edward Mudie
- Charles Ellis, Standen and Co
- Charles Follett
- Charles Frederic Henwood
- Charles Green Spencer and Sons
- Charles H. Baber
- Charles Houghton
- Charles J. R. Bullough
- Charles James Fox
- Charles King
- Charles Lungley
- Charles M. Higgins and Co
- Charles Neat and Co
- Charles Noscotti
- Charles Nurse and Co
- Charles Orme Co
- Charles P. Moody
- Charles Packer and Co
- Charles Peacock and Co
- Charles Phillips (of London)
- Charles R. Davis and Co
- Charles R. Whitmee
- Charles Rickards
- Charles Riggs and Co
- Charles S. Stone
- Charles S. Windover and Co
- Charles Semon and Co
- Charles T. Plum
- Charles Thomerson
- Charles Topham and Co
- Charles Tuckey and Co
- Charles Worssam and Co
- Charles Yates and Co
- Charnaux
- Charrier and Marbut Carvings
- Charrington and Co
- Charrington and Co (Coal Merchants)
- Charrington Gardner Locket (London)
- Charrington United Breweries
- Charrington, Head and Co
- Charrington, Sells, Dale and Co
- Chartered Bank of India, Australia and China
- Chartered Co
- Chartered Gas Co
- Chartered Gasworks
- Chartered Mercantile Bank
- Charteris Cycles
- Chase Motors
- Chase Tractors Corporation
- Chatwood Safe Co
- Chatwoods Patent Safe and Lock Co
- Cheap Wood Co
- Checkogram
- Cheecol Processes
- Cheerio Toys and Games (England)
- Cheesman, Braid and Co
- Chef Products
- Chelsea Bridge
- Chelsea Carriage Works
- Chelsea Electricity Supply Corporation
- Chelsea Glacarium
- Chelsea Handicraft Industries
- Chelsea Insecticides
- Chelsea Precision Tools
- Chelsea Private Hotel, London
- Chemi-Synthetics
- Chemicals Trading Co
- Cheque Bank
- Chesebrough Manufacturing Co
- Cheshire Engineering Co
- Chester Barrie
- Chester Hydraulic Co
- Chesters Renfrew Engineering Co
- Cheswright and Co
- Cheswright and Nicholls
- Chevron Structural Units
- H. J. Chick and Co
- Chicken and Stewart
- William Chicken
- Rock Chidley
- Chigwell Grammar School
- Child and Co
- A. J. Child and Co
- Children's Play Centres Fund
- A. B. Childs
- J. G. Childs and Co
- G. P. Chiles and Co
- Chillcotts
- Chilled Castings
- China Submarine Telegraph Co
- Chinese Engineering and Mining Co
- Chingford Model Aerodrome
- Chipstead Motors
- Chiswick Flyover
- Chiswick Polish Co
- Chiswick Power Station
- Chiswick Soap and Polish Co
- Chitty Dynamo and Motor Co
- Chloride Group
- Christiani and Nielsen
- Christie Manson and Woods
- H. Christie
- W. E. Christie
- Christie-Tyler
- Christmas and Walters
- Christopher Dowson and Sons
- Christopher Parkinson
- Christophers of Clerkenwell
- Christy and Co
- Christy Knife Co
- Thomas Christy and Co
- Thomas Christy and Co (Fenchurch St)
- Chubb and Sons
- C. Chumas
- W. C. Church
- Church Army
- Church of England Childrens Society
- Church of England Life and Fire Assurance Institution
- D. Church and Co
- E. J. Churchill (Gunmakers)
- Charles Churchill and Co
- V. L. Churchill and Co
- Churchman's Family Magazine
- C. M. Churchouse
- CICCA
- Cierva Autogiro Co
- Cine Photo Supplies
- Cinema-Television
- Cinex
- Ciro Pearls
- Cities Service Oil Co
- Citroen Gear Co
- Andre Citroen and Co
- D. Citroen
- City Accumulator Co
- City and Guilds College
- City and Guilds of London Institute
- City and South London Railway
- City and Suburban Electric Carriage Co
- City Bank
- City Cabinet Co
- City Canal
- City Car Agency
- City Electrical Co
- City Garage
- City Ignition Co
- City of Birmingham Tramways Co
- City of London and Finsbury Drawing and Tracing Office
- City of London Brewery Co
- City of London Building Society
- City of London Electric Lighting Co
- City of London Fire Assurance Co
- City of London Gas Light and Coke Co
- City of London Life Assurance Society
- City of London Truss Society
- City of London Wood Wool Co
- City of London Wood-Wool Co
- City Ordnance Agency
- City Press
- City Prudential Building Society
- City Road Power Station
- City Sale and Exchange
- City Woollen Co
- Civil Aviation Authority
- Civil Service Motor and Cycle Agency
- CJB
- Clang
- Clapton Motor Co
- John Clarance
- T. Clare and Son
- Clare and Mann
- Clare Hall Hospital
- Claremont Garments
- Clarges Street Garage
- Claridges Patent Asphalte Co
- Clark and Co (Shutters)
- J. C. Clark
- Clark and Hunt
- Clark and Standfield
- Clark and Wellington
- Clark Brake
- Clark Brothers
- Clark Brothers Cycle Co
- Clark Brothers Cycle Manufacturing Co
- Clark Dress Stand Co
- Clark of Shoreditch
- Clark's "Optimus" Coffee Extract
- Clark's Self-Coiling Shutters
- Alexander Clark Manufacturing Co
- Clark, Bunnett and Co
- Frank Clark
- Clark, Forde, and Taylor
- Clark, Forde, Taylor and Erskine-Murray
- Clark, Forster and Co
- John Clark
- Joseph Clark and Sons
- Joseph Lester Clark
- Latimer Clark, Muirhead and Co
- Clark, Punchard and Co
- Clark, Standfield and Clark
- W. Clark and Co
- W. Clark
- Matthew Clark and Sons
- J. F. Clarke
- Clarke and Co (Hoxton)
- Clarke and Dunham
- Edward M. Clarke
- G. Ernest Clarke and Co
- Clarke, Nicholls and Coombs
- Robert Clarke
- S. Clarke and Co
- Clarkhills
- Clarkson and Capel Steam Car Syndicate
- Clarkson Steam Motors
- Clarkson Thimble Tube Boiler Co
- Clarkson's
- Clarocit Co
- Clary
- Classic Table Lighters
- Claude Rye
- Claude Rye Bearings
- Claude-General Neon Lights
- Claudet
- Claudet, Houghton and Son
- Claxton
- Clay and Son
- Clay Brothers and Co
- C. D. Clayton
- Clayton Engineering Co
- Clayton Installations
- Henry Clayton and Co
- Henry Clayton, Son and Howlett
- Clayton, Howlett and Co
- Clayton, Howlett and Venables
- Clearpack
- Fred. Samuel Cleaver
- Cleaver-Hume International
- Clemak Razor Co
- Clement Motor Co
- Clement Talbot
- A. E. Clements
- R. A. Clements
- Clements, Jeakes and Co
- Clenist Fork Co
- Clensol
- Cleopatra's Needle
- Clerc, Walker and Co
- Clergy Mutual Assurance Society
- Clerical, Medical and General Life Assurance Society
- Clerkenwell Engineers
- Cleveland Petroleum Products Co
- Cleveland Twist Drill Co
- Cleverlys
- Clews Petersen Piston Ring and Engineering Co
- Clifford Christopherson and Co
- Cliffords Sales Organisation
- E. H. Clift
- Clift, Whitehead and Co
- Cliftophone and Records
- Climax Molybdenum Co
- Clingoe Automobile Syndicate
- Clinton and Owens
- Clipper Belt Lacer Co
- Clipper Tea and Produce Co
- Clipper Tyre Co
- A. G. Cloake
- Clockwork Explosive Fog Signal Co
- F. E. Clotten
- Cloudsley Engineering Co
- Frederic J. Clowes
- William Clowes and Sons
- Clubb and Smith
- E. J. Clubbe and Co
- J. Clubley Armstrong DANARM
- Cluse
- Clutsam Action Co
- Clydesdale Bank
- Clymer, Dixon and Co
- Clyne Radio
- Co-operative Permanent Building Society
- Coachcraft
- Coaches and Components
- Coade Stone
- Coal By-Products Co
- Coal Merchant and Shipper
- Coal Smoke Abatement Society
- Coal Utilisation Council
- Coalite
- Coalite and Chemical Products
- Robert W. Coan
- C. W. Coard
- J. Coates and Co
- John Coates and Co
- Coatostone Decorations Co
- James Cobbett
- W. Willson Cobbett
- Cobbetts
- A. Cobden
- Coborn Carriage and Motor Works
- Cochrane and Co (London)
- Cochrane Propeller Co
- A. H. Cochrane
- John Cochrane and Sons
- C. Cock
- T. Cocking
- Cocks, Biddulph and Co
- Coe and Smith
- John A. Coffey
- Cogers Hall
- William Cogger
- I. and M. Cohen
- S. Cohen and Sons
- Cohen Brothers
- Cohen Manufacturing Co
- B. Cohen and Co
- B. S. Cohen
- George Cohen Machinery
- George Cohen, Sons and Co
- Cohn and Rosenberger
- Margarete Cohn
- Coignet System
- Coke Ovens and By-Products Co
- Colas Products
- Colby Belts
- Coldpoint Drills
- Cole and Cole
- Cole and Shuttleworth
- Benjamin Cole
- T. and W. Cole
- W. and L. Cole
- W. Cole and Sons
- Coleman and Wallwork
- Alfred Coleman (Textiles)
- Cecil Coleman
- Coles and Christopher
- Coles Cranes
- Coles, Shadbolt and Co
- Coles, Son and Co
- William Coles
- Colibri Lighters
- Colindale-Becker
- Collard and Collard
- Collard, Parsons, and Co
- College House School, Peckham
- College House, Southgate
- College Motor Co
- S. H. Collett Manufacturing Co
- J. Collett
- Collier
- Collier and Co
- Collier Twin Tyre Co
- Collier Tyre Co
- Collier's Tool Store
- A. Wilme Collier
- H. Collier and Sons
- W. H. and L. Collingridge
- Collingwood
- Collins and Co (of Lambeth)
- Collins and Hayes
- Collins Electrical
- Collins Improved Firebars
- D. George Collins
- Henry Joseph Collins
- R. J. Collins
- A. J. Collinson
- Collis Browne
- J. Collis and Sons
- Colloidal Chemists
- Colls and Sons
- P. and D. Colnaghi and Co
- Colonial Bank
- Colonial Bank of New Zealand
- Colonial Mutual Life Assurance Co
- Colosseum Spa Co
- Colostat Combustion Systems
- Colour Photographs (British and Foreign)
- Colour Snapshots (1928)
- Colourdex (British System)
- Colquhoun and Thomson
- Colrow Salts Co
- W. H. Colt (London)
- W. H. Colt (Engineers)
- Colthurst and Harding
- Coltrate
- Columbia Graphophone Co
- Columbia Optical and Camera Co
- Columbia Phonograph Co, General
- Columbia Photo and Process Engraving Co
- Columbia Ribbon and Carbon Manufacturing Co
- Columbia Steel and Engineering Co
- Columbian Fireproofing Co
- Columeta Export Co
- H. Colwell
- Colwood Camera Co
- Colyer and Willson
- F. Comar and Son
- A. Combe and Co
- Combe, Delafield and Co
- Combex
- Combined Metals and Reinforced Castings Co
- Combined Optical Industries
- Comet Motor Manufacturing Co
- O. Comitti and Son
- Comjoint
- Commans and Co
- Commercial and General Life Assurance, Annuity and Family Endowment and Loan Association
- Commercial and Marine Engine Co
- Commercial Art School
- Commercial Bank
- Commercial Banking Company of Sydney
- Commercial Dock Co
- Commercial Gas Co
- Commercial India Rubber Manufacturing and Supply Co
- Commercial Motor Garage and Repair Co
- Commercial Motor Users Association
- Commercial Railway
- Commercial Smelting and Refining Co
- Commercial Spares
- Commercial Steam Ship Co
- Commercial Structures
- Commercial Union Assurance Co
- Commission for the West Indies
- Commonwealth and Dominion Line
- Como Leather Goods Co
- Compagnie Francaise de Products Metallurgiques
- Company of Veteran Motorists
- Comper Aeroplanes
- Compound Hydro-Carbon Motor Syndicate
- Compound Metals Co
- Compressed Air Carpet and Tapestry Cleaning Co
- A. P. Compton
- Computer Analysts and Programmers
- Computer Management Group
- Comtelburo
- Comyn Ching and Co
- Concanen, Lee and Siebe
- Patent Concrete Stone Co
- Concrete Society
- Conduit and Insulation Co
- Confederation of British Industry
- Connaught Coachwork
- Connaught Motor and Carriage Co
- Connell, May and Steavenson
- J. W. and T. Connolly
- Connolly Brothers (Curriers)
- Conrad Press
- Conservative Land Society
- Considere Construction Co
- Consolidated Accessories Co
- Consolidated Alliance
- Consolidated Automobile Co
- Consolidated Bank
- Consolidated Construction Co
- Consolidated Diesel Engine Manufacturers
- Consolidated Electric Co
- Consolidated Foundry Plant
- Consolidated Gold Fields
- Consolidated Mines Selection Co
- Consolidated Mining and Investment Corporation
- Consolidated Plastics
- Consolidated Pneumatic Tool Co
- Consolidated Signal Co
- Consolidated Telephone Construction and Maintenance Co
- Consolidated Zinc Corporation
- Constable and Co
- Constable, Hart and Co
- Constant and Co
- Constrictor Tyre Co
- Continental Automobile Co
- Continental Caoutchouc and Guttapercha Co
- Continental Motor Co
- Continental Tyre and Rubber Co
- Continuous Rail Joint Co
- Contraflo Condenser and Kinetic Air Pump Co
- Contraflo Condenser Co
- Control Components
- Control Systems
- Controlled Heat and Air
- Controlled Heating Units (london)
- Convex Incandescent Mantle Co
- Conway Stewart and Co
- Coode, Fitzmaurice, Wilson, and Mitchell
- Coode, Son and Matthews
- Coode, Wilson, Mitchell and Vaughan-Lee
- H. B. Cook
- Cook and Perkins
- A. W. Cook
- Edward Cook and Co
- Frederick Cook
- Thomas Cook and Son
- Thomas P. Cook and Co
- Cooke and Wheatstone
- J. W. Cooke and Co
- Cookers and Geysers
- S. Cooksey and Co
- Cookson, Faithful and Co
- Coombe and Co
- Cooper Manufacturing Co
- H. W. Cooper and Co
- J. and C. Cooper
- Cooper and Co (of London)
- Cooper and Cooper
- Cooper and Holt
- Cooper Motor Bodies
- Cooper's Smelling Bottles
- Allan Cooper
- C. A. Cooper and Co
- Charles Cooper
- Cooper, Dennison and Walkden
- Edwin Cooper and Co
- Cooper, McCarme and Co
- Cooper, Pegler and Co
- Cooper, Turner and Co (Brush Manufacturers)
- Coosheen Minerals
- Cope and Collinson
- Cope and Timmins
- R. W. Cope
- Copes Regulators
- Coppee Co
- Coppen, Allan and Co
- Copper Miners in England
- James T. Coppock
- Copydex Manufacturing Co
- Cora Hotel, London
- Corbulin
- Bryan Corcoran
- Corcoran, Witt and Co
- Corcoron
- E. and G. Corderoy
- Cording's
- Cordingley and Co
- Cordingly and Co
- Cords Piston Ring Co
- Corfield
- Corfield and Hurle
- Corfield-Sigg
- Corinthian Coachwork
- Cork Insulation and Asbestos Co
- Cork Insulation Co
- Corke and Apthorp
- W. H. Cornelius
- Cornhill Insurance
- Cornhill Trade Agencies and Industrial Finance
- Cornish and Co
- Corona Engineering Co
- Corot
- Corporation of London
- Corporation of the London Assurance
- Alfred A. Corre and Co
- Correx 83
- Corrigan and French
- Corry and Co
- Corry Hurford
- Corsets Silhouette
- Corsica
- Corsini and Hutchings
- Arthur Cort and Co
- Cory and Grundy
- Horace Cory and Co
- William Cory and Son
- Cory, Yeo and Co
- Cosmelli, Dillingham and Co
- Cosmic Crayon Co
- Cosmopolitan Glass Co
- Cossentine Bolt and Engineering Co
- Cossor Instruments
- Cossor Radar
- Cossor Radio and Television
- A. C. Cossor
- Costain Concrete Co
- Richard Costain
- Cotella
- Cotswold House
- Cottam and Co
- Cottam and Cottam
- Cottam and Hallen
- Cotton and Johnson
- Cotton Powder Co
- F. C. Cottrell and Co
- Thomas Cottrell
- Coubro and Scrutton
- Alfred Couldrey and Co
- Coulson, Stokes and Co
- County Fire Office
- County of London Electric Lighting Co
- County of London Electric Supply Co
- Coupe and Dunlop Brougham Co
- Coupe Co
- Couper, Friend and Co
- James Couper and Co
- Court Line
- Courtaulds
- Courtin and Warner
- W. Whitehead Cousins
- Coutts and Co
- Couzens and Brown
- Coventry Tricycle Co
- W. B. Coventry
- Coverdale, Pohlmann and Co
- P. B. Cow and Co
- W. and B. Cowan
- Cowan Colours
- Cowan de Groot
- Alexander Cowan and Sons
- J. Cowan (Dolls)
- Cowey Engineering Co
- Cowley, Peachey
- J. Cowlin
- Cowper Coles Galvanising Syndicate
- Cowper and Applegarth
- E. and E. Cowper
- Cowper-Coles Copper Corporation
- Cowper-Coles Engineering Co
- Cowtan and Sons
- Cox and Wood
- Douglas S. Cox
- T. Cox Savory
- Cox and Co (R. W.)
- Cox and Edwards
- Cox and Sons
- Cox Moore and Co
- Edward Cox (of London)
- Edwin Charles Cox
- Cox and Co (R.W.)
- Stanley Cox
- Cozy Stove Co
- CP Electronics
- Cracknell Engineering Co
- Craies and Stavridi
- Craig, Hogg and Co
- Craigs of London
- Cramer Pianos
- J. B. Cramer and Co
- Cramme and Co
- Crampin, Scott and Co
- Crampton and Co
- Crane-Bennett
- Crankless Engines
- Cranston and Luck
- William McIntyre Cranston
- Thomas Crapper and Co
- Craven Equipment
- Crawford and Co (of West Green)
- C. E. Crawley
- Crawshay Brothers
- Credit Lyonnais
- Creese and Co
- H. N. Crellin
- Cremorne Motor Manufacturing Co
- Crepe Paper Manufacturing Co
- Crescent Toy Co
- T. G. Cressall
- Cresswell Brothers and Marks
- Cresswell Brothers and Schmidtz
- Cresswell Brothers and Schmitz
- Cresswell Brothers Sponges
- Cresswell, Norris and Co
- Crest Motor Products (London)
- H. T. Crewe
- John Crichton (London)
- Crichton, Thompson and Co
- Richard Jex Crickmer
- Richard Crittall and Co
- Crittall-Aquafont
- Croggan and Co
- Croggon and Co
- Croid
- Cromwell Engineering Co (of London)
- L. Crook
- E. A. Crook and Co
- Cropp and Farr
- Crosby Engineering Co
- Crosby Lockwood and Son
- Crosby Steam Gage and Valve Co
- Thomas Crosby and Co
- Samuel and John Crosley
- Cross and Macgillivray
- Alexander Cross and Sons
- Crosse and Blackwell
- Crossley Steam Gauge and Valve Co
- Crossley, Jacob and Gee
- Crotty and Polsue
- Crouch and Jay
- Henry Crouch
- Joseph Crouch
- Croucher Reoch and Partners
- Crowden and Garrod
- Crowden and Keeves
- Crowdus Accumulator Syndicate
- Crowdy
- J. F. Crowley and Partners
- Crown Appliances
- Crown Car Co
- Crown Cork Co
- Crown House
- Crown Life Assurance Co
- Crown Perfumery Co
- Crown Water Softeners
- Crowther and Goodman
- Croxted Motor and Engineering Co
- Crucial Trading
- Crucible Steel Company of America
- Crusader Motor Policies
- Crypto Car and Cycle Co
- Crypto Cycle Co
- Crypto Electrical Co
- Crypto Engineering Co
- Crypto Works Co
- Cryselco
- Crystal Palace
- Crystal Palace A.C.
- Crystal Palace Co
- Crystal Palace District Gas Co
- Crystal Palace Railway
- Crystal Palace School of Engineering
- Crystal Spray Co
- Crystalate Gramophone Record Manufacturing Co
- CTC Heat (London)
- Cubitt Concrete Construction Co
- W. Cubitt and Co
- William Cubitt and Co
- Richard H. P. Cuble
- J. H. Cuff
- Cuirass Products
- T. Culleton
- Culletons Heraldic Office
- W. Cullingford
- F. R. Cullingford
- T. W. Culmer and Sons
- W. Culmer and Son
- G. T. Culpitt and Son
- George Culver
- Alfred Culverhouse
- Cumberland Syndicate
- S. G. Cummings
- Cummings and Co
- Cunard Eagle Airways
- Cunard Motor and Carriage Co
- Cunningham and De Fourier Co
- Cunningham and Morrison
- B. C. Cunnington
- Cupelle Motors
- Cuprinol
- Cuprocyl
- Curchin and Watson
- Curling, Young and Co
- R. S. Currie and Co
- Donald Currie and Co
- Curry and Paxton
- Curry's
- Henry Curry
- Curryland-Skiffs
- H. E. Curtis and Son
- Curtis Automobile Co
- Curtis Automobile Coachbuilders
- Curtis Distillery Co
- Curtis's and Harvey
- Curtis, Arthur, Campbell and Co
- Curtis, Gardner and Co
- James Curtis and Co
- Curtiss and Sons
- Curwen and Sons (Estab. 1856)
- J. Curwen and Sons
- J. Cusden
- J. T. Cussans and Co
- PZ Cussons (UK)
- Cussons, Sons and Co
- Cutbill, King and Co
- Cuthbe and Co
- Percy Cuthbertson
- Cuthbertson Brothers
- Benjamin Cutler
- Cutten Brothers
- Cutting and Co
- Cyanamid of Great Britain
- Cyanide Plant Supply Co
- Cyc-Arc
- Cycle Co
- Cycle Manufacturers Tube Co
- Cycle Patent Pump Co
- Cycles and Automobiles Michaux
- Cyclist's Equipment Co
- Cyclostyle Co
- Cyl-Bore Co
- Cyprus Tourist Office
- Cyprus Viticultural Board
- Cyril Adams and Co
- Cyrus Robinson and Co
- Czechoslovakia Travel Bureau
D
- D. A. Adana
- D. A. P. Model Aeroplane and Engineering Co
- D. Bianco and Sons
- D. Burkle and Son
- D. C. Green Ventilating and Engineering Co
- D. D. Distributors
- D. D. Walker Co
- D. J. (Tipon)
- D. M. C. Thread Co
- D. P. and S.
- D. R. Robertson
- D. Spokes and Co
- D. U. Manufacturing Co
- D. W. Cine Equipment
- D. W. Price and Son (Glass Merchants)
- Dacier
- Dacre Engineers Supply
- Dacres Rabjohns
- Dacron (Plan-o-Matic)
- H. and A. Dufaux
- Dagnall and Manning
- Daily Chronicle
- Daily Express
- Daily Mail
- Daily Mail Year Book
- Daily Mirror
- Daily News
- Daily Sketch
- Daily Telegraph
- Daily Telegraph Newspaper
- Dairy Outfit Co
- Dairy Supply Co
- Dakol Electric
- Daks-Simpson
- John Dale
- Dale, Reynolds and Co
- Dale, Waller and Co
- Dalebrook
- Dalking Motor Body Works
- John E. Dallas and Sons
- J. H. Dallmeyer
- W. T. Dalton and Son
- William Dalton
- H. F. Daltrey and Co
- Dalyte Electrical Co
- A. B. Dalzell and Co
- Dalziel Foundry
- Harvey Dalziel
- Danaura
- Danckaert's Woodworking Machinery Co
- J. and A. Dandridge
- W. Danemann and Co
- Danico Brass
- Daniel Wigley
- A. C. Daniels and Co
- Dannimac
- Dansette Products
- Dapag (1943)
- Darby Land Digger Syndicate
- H. W. Darby
- Dare and Dolphin
- Darimont Electric Batteries
- Darkcrest
- Darlington Fencing Co
- Darlison Brothers
- Darracq
- Darracq Motor Engineering Co
- Darracq-Serpollet Omnibus Co
- Dartium Syndicate
- F. Darton and Co
- Dashwood and Partners
- Dashwood Engineering
- Daukes and Co
- Daun and Vallentin
- Davanti Preparations
- J. T. Davenport
- Davenport Accessories
- G. Davenport and Co
- Davey and Co (2)
- Davey and Pegg
- David Allan (Dallan) Products
- David and Timmins
- David Caird and Co
- David Cope
- David Evans and Co
- David Hart and Sons
- George Davies (London)
- W. J. Davies and Sons
- Davies and Soames
- Davies and Son
- Davies and Son (of London)
- Davies Coleman and Co
- Davies Emery
- Davies Investments
- Davies Motor Co
- Davies Patent Boiler Co
- Davies Street Station
- Davies Tyre Co
- David Davies (of London)
- H. E. Davies
- J. Davies and Allen
- Owen Davies Engineering Co
- Davies, Turner and Co
- A. Davis (Piccadilly)
- A. Davis and Co
- W. J. Davis Engineering Co
- Davis and Co (London)
- Davis and Timmins
- Davis Paraffin Carburetter Co
- Davis Service Group
- Davis's Furniture Depositories
- A. M. Davis and Co
- Albert Davis
- Alec Davis Supplies
- Davis, Abrahams and Co
- D. Davis (Leather Goods)
- H. and C. Davis and Co
- J. A. Davis and Co
- J. A. Davis and Son
- John Davis (of London)
- John Davis and Son
- William Davis (7)
- Davis-Perrett
- Davison and Scamell
- Davrian Developments
- Davy and Son
- A. and Z. Daw
- John Dawes and Sons
- Thomas Dawkins
- Dawnays
- L. H. Dawson
- Dawson Gas Engine Syndicate
- H. Dawson and Co
- Day and Martin
- Charles Day Manufacturing Co
- Day, Son and Hewitt
- Dayton Cycle Co
- C. S. De Bay
- De Beers Industrial Diamond Division
- De Grave, Short and Co
- De Grave, Short and Fanner
- De Grelle, Houdret and Co
- De La Rue Plastics
- De Laitte Gas Machine Syndicate
- De Laval
- Augustus De Morgan
- De Nevers Tubber Tyre Co
- De Vere Hotel, London
- C. W. Deacon and Co
- S. and C. Deacon
- Samuel Deacon and Co
- Dealers Deliveries
- Dean and Son
- A. E. Dean and Co
- G. and J. Deane
- Bernard Deane
- Deane, Dray and Deane
- Deane, Dray, and Co
- G. and I. Deane
- George and John Deane
- Deanfield Fur Models
- Deans Rag Book Co
- G. T. Dearberg and Sons
- J. H. Dearlove
- H. H. P. Deasy and Co
- Deasy Motor Car Manufacturing Co
- H. Debaufer and Co
- Debenham and Co
- Debenham and Freebody
- Debenham Storr and Johnson Dymond
- Debenham, Storr and Sons
- Decahaye and Co
- Decca Record Co
- Decca Gramophone Co
- Decca Radio and Television
- Decor-Art Co (Kensington)
- Deeprose
- Deering Harvester Co
- Defence (Insurance)
- Defender Fire and Life Insurance Co
- Defiance Rubber Co
- J. Defries and Sons
- N. Defries
- J. Dege and Sons
- Degenhardt and Co
- Degory Carburetters
- W. R. Deighton and Sons
- Delage Oil Corporation
- Delahaye Motor Co
- Delaney Gallay
- Delco Remy and Hyatt
- Delco-Remy
- Delecroix Motor Syndicate
- G. Delgado
- Delhi and London Bank
- Delia Collins
- Dell and Co
- William R. Dell and Son
- B. Dellagana and Co
- H. Delolme
- Delta Motor Co
- Dema Glass
- Demolition and Construction Co
- Demor Co
- John Dence
- Denco Distributors
- Denham (1933)
- Denham and Morley
- Dennett and Ingle
- Dennis and Webb
- Dennis di Luggo and Co
- W. F. Dennis
- W. F. Dennis and Co
- Dennis-Fenton (London)
- Dennison Kett and Co
- A. and F. Denny
- Denny, Mott and Dickson
- Densitron Technologies
- Dent and Hellyer
- Dent's
- E. Dent and Co
- E. J. Dent and Co
- J. M. Dent and Sons
- M. F. Dent and Co
- Dental Manufacturing Co
- Dentesive
- Denton and Jutsum
- Denver Equipment Co
- Department of Scientific and Industrial Research
- Department of Trade and Industry
- Dependable Radio Supplies
- Dependable Sewing Machine Co
- Depford Co
- Derata
- Derby and Co
- Dermal Research Institute
- Dermatine Co
- V. W. Derrington
- Derry and Toms
- Derwent Trading Co
- C. V. Desiderio
- Design Centre
- Design Council
- Henry Detloff
- Deutz Engines
- Devonport and District Tramways Co
- Devon’s Chemical Co
- A. J. Dew and Co
- Madame May Dew
- James M. Dewar and Son
- Dewer
- Dewhirst, Peck and Co
- Dewrance and Co
- Dex Industries
- Dexine Patent Packing and Rubber Co
- Dexion
- J. T. Dexter
- Dey Time Registers
- Dhaussy Powder Box Co
- Diagraph Stencil Machine Co
- Diamond Blower Co
- Diamond Drill Co
- Diamond Fibre Co
- Diamond Rock Boring Co
- Diamond Steamboat Co
- Diamond Tools Advisory Centre
- W. B. Dick and Co
- T. Dickins and Co
- Dickins and Jones
- F. E. Dickinson
- Charles Dickinson and Co
- Dicks Asbestos Co
- J. R. Dickson
- John Dickson
- John Dickson and Co (of London)
- Norman Dickson, Pringle and Co
- Dictaphone Co
- Die Casting Machine Tools
- Diesel Engine Co
- Diespeker
- Dietz and Co
- Thomas J. Digby Illuminating Engineering Co
- H. C. Dignasse
- G. Dikkers and Co
- Charles W. Dilke
- Dimol (Veterinary)
- G. H. Dingwall and Son (Engineers)
- Dinneford and Co
- Direct Photo Engraving Co
- Direct TV Replacements
- Direct United States Cable Co
- Direct-Gas Fuel
- Disc Churn Co
- Discount Motor Car Co
- Discussion Hall
- Dishmaster
- Diskon Gear
- Dispatch Motor Co
- Display Motor and Accessories Co
- Disposal Board
- Dissolved Acetylene Co
- Henry Disston and Sons
- Distance Lighting Co
- Distressed Gentlefolk's Aid Association
- Distributors Peugeot
- District Chemical Co
- District Messenger and Theatre Ticket Co
- District Railway
- C. W. Dixey and Son
- Dixie and Son
- John Dixon (London)
- Dixon and Co (of Limehouse)
- Dixon's White
- Adam Dixon
- John Dixon (Contractor)
- John Dixon, Sons and Taylor
- Joseph Dixon Crucible Co
- Thomas Dixon
- H. T. Dobson
- Dobson and Sons
- Docklands Light Railway
- Thomas Docwra and Son
- W. L. Dodge
- Dodson Brothers
- Dodwell and Co
- Doerwaldt Brothers
- DOHM
- Doidge and Co (Rivets)
- Dolby and Williamson
- Dolcis
- Dollis Brook Viaduct
- Dollis Glass Co
- Dollond and Co
- Dollonds
- Domain Products
- Domeier and Co
- Domestic and Garden Utensil Manufacturing Co
- Domestic Engineering Co
- Domestic Supply Co
- Dominion Gramophone Records
- Dominion Motor Spirit Co
- Dominion Rubber Co
- Dominion Tobacco Co
- Dominion Tyre Co
- Don Oil Co
- Donald and Co
- Donald Maclean and Son
- Donald Ross and Partners
- Donald, Atkey and Co
- Frederick George Donnan
- Donne and Willans
- Lewis Donne and Son
- J. P. Doors
- Dore
- Dormatine Co
- Dormeuil
- Dorothy Gray
- Dorr-Oliver Co
- Dorwald
- Dorwald and Co
- S. Dory
- Dottridge Brothers
- Doubleday, Son and Co
- G. Douglas McRae and Co
- Douglas H. Ashbee
- Douglas Jordan
- Douglas Kane
- Douglas Service Depot
- Douglas Stuart
- Douglas Wear
- Douglas, Oliver and Co
- Douglas-Kenn
- Douglass
- Doulton and Co
- Doulton and Co (Crown Wharf)
- Doulton and Watts
- Doulton Vitrified Pipes
- Henry Doulton and Co
- John Doulton, Brothers and Co
- Douse's Patent Fire-Check Co
- Doust's Patent Expansion Joint Co
- Dovetail
- Dowding and Doll
- Dowdings' Machine Tool Co
- Dowgate Steamship Co
- Dowie and Marshall
- Down Brothers
- Downham and Co
- Downie and Adams
- Downings
- J. Downton and Co
- Dowson, Taylor and Co
- J. Emerson Dowson
- Dowson and Worth
- Dowson Economic Gas and Power Co
- Dowson Gas Engine Syndicate
- Dr. A. V. K. Classics
- Dr. De Jongh
- Dr. Jaeger's Co
- Drake and Gorham
- Drake and Gorham Electric Power and Traction Co
- Drake and Nutter
- Drake, Brothers and Reid
- Drakeite Co
- Drannek Pianos
- Dray Taylor and Co
- G. W. Dray and Son
- William Dray and Co
- Dreadnought File Co
- Dreadnought Policies
- Dreadnought Rotary Engine Co
- Dreams Brass Beds
- Dresdner Bank
- Drew and Sons
- Drew-Bear, Perks and Co
- Drewell
- Drewry and Sons
- Dring and Fage
- Druce and Co
- Drummonds
- Dryden Brothers
- Drytone Joinery
- Du Barry and Co
- Du Bois Co
- W. and G. Du Cros
- Du Pont
- Dualit
- G. A. Dubery and Co
- Dubilier Condenser Co (1925)
- Dubois Co
- The Duchess Razor Co
- Ducker Portable House Co
- A. G. Duckett
- Duckham and Cloudsley
- Duckham's Associated Products
- Ducros-Mercedes
- Ductwork (Engineering Services)
- F. S. Dudgeon
- Dudley and Co
- Dudley, Stourbridge and District Electric Traction Co
- Dufay-Chromex
- Duff, Morgan and Vermont
- Duffield and Funk
- Duffle coats
- N. E. Dufty
- Thomas R. Duggan
- Robert Dugwell
- Duke and Co
- Duke, Waring, Crisp and Co
- Dumbrill Plant and Engineering Co
- Dunbee
- Duncan Brothers
- Duncan Watson and Co
- Dundee Linoleum Co
- Dundee, Perth and London Shipping Co
- Dunedin Engineering Co
- C. A. Dunham Co
- Dunham, White and Co
- Dunhill
- Dunhill Cigarettes
- Dunhill's Motorities
- Alfred Dunhill
- Dunhills
- Dunlop Motor Co
- Dunlop Pneumatic Tyre Co
- Dunlop Pneumatic Tyre Co (France)
- Dunlop Rubber Co
- Dunlop Sports Co
- D. Dunn
- Dunn Brothers
- Dunn, Squire and Co
- Duplex and General Bearing Co
- Duplex Motor Engine Co
- Dupont
- Dupre Vermiculite
- Dupree Swift and Co
- Duprez et Cie
- Durafencing
- Duralay
- Duramend Co
- Duramin Engineering Co
- Durance and Co
- Durham and Moysey
- Durham Collieries Electric Power Co
- Henry Durke
- Durrans' Patent Nail Syndicate
- Durvite
- Dussek Bitumen and Taroleum
- H. and G. Dutfield
- Dutton-Forshaw Group
- E. Jerome Dyer
- Dyer and Robson
- T. Dyer and Co
- Frank Dyke and Co
- Dyle and Bacalan
- Dyn-Metal
- Dyna Electric Co
- Dyson and Co
- J. Dyson and Co
- Dyster, Nalder and Co
- Dzus Fastener Europe
E
- E. and H. Lumley
- E. B. Meyrowitz
- E. Bailey-Denton and Co
- E. Bean
- E. C. Ogden and Co
- E. C. Powder Co
- E. Davey and Sons
- E. Davis
- E. Dawson and Co
- E. Dyball
- E. F. Russ
- E. H. Cadiot and Co
- E. Horace Holme
- E. Hunt and Son
- E. I. Syer
- E. Izod and Son
- E. J. Coles and Co
- E. J. Davis and Co
- E. J. Elgood
- E. J. Jack
- E. J. Smith (London)
- E. J. Stuart
- E. James and Co (of London)
- E. Kahn and Co
- E. L.-S. Engines
- E. Lloyd and Co
- E. M. I. Institutes
- E. N. I. T.
- E. N. V. Motors
- E. P. Alexander
- E. P. Allam and Co
- E. P. Benson
- E. Pollard (Sundries)
- E. Posen
- E. R. Cole
- E. Rubie and Sons
- E. S. Aston and Co
- E. T. Agius
- E. W. Barker
- E. Walker and Co
- E. Wish and Co
- E. Wood
- I. Eade
- W. Eades and Co
- Eagle Carriage Works
- Eagle Foundry, London
- Eagle Insurance Co
- Eagle Life Assurance Co
- Eagle Motor Manufacturing Co
- Eagle Oil and Shipping Co
- Eagle Products
- Eagle Star and British Dominions Insurance Co
- Eagle Star Insurance Co
- Ealing and Shepherd's Bush Railway
- EAQA
- Earl
- Henry N. Earl
- Earl Motors (Britain)
- Earl's Court Motor and Garage Co
- Earls Court Exhibition Halls
- Easco Electrical
- Easibind
- Easipower
- East and West India Dock Co
- East and West India Docks and Birmingham Junction Railway
- East End Mission
- East India Co
- East London Gas Co
- East London Hospital for Children
- East London Paint and Varnish Co
- East London Railway
- East London Rubber Co
- East London Toy Factory
- East London Waterworks Co
- East, Kinsey and East
- J. H. Easter
- Eastern and Continental Trading Co
- Eastern Extension Australasia and China Telegraph Co
- Eastern Telegraph Co
- Easthope, Boyle and Co
- J. J. Eastick and Sons
- Eastman Dry Plate and Film Co
- Eastman Photo Materials Co
- J. R. Eastman
- Eastmans
- Easton and Amos
- Easton Gibb and Son
- Easton Lift Co
- Easton, Amos and Sons
- Easton, Courtney and Darbishire
- Easton, Gibb and Co
- Eastwood and Co
- Easycantop
- Eaton and Co
- Eaton, Parr and Gibson
- Eaton-Williams
- Eau de Lubin
- W. G. Eavestaff and Sons
- Ebbels
- Ebcol Scientific Glassware Co
- Jos. F. Ebner
- Ebonestos Industries
- Eccleston Place Station
- Echo-Fon Co
- Eclipse Engineering and Motor Co
- Econasign Co
- Economic
- Economic Car Light
- Economic Fencing Co
- Economic Household Appliance Co
- Economic Life Assurance Society
- Economic Motors
- Economic Sales Service
- Economic Smokeless Fire Co
- Economical Gas Apparatus Construction Co
- Economy Filing Co
- Ed. J. Burrow and Co
- Edcel Electronics
- A. and W. Eddington
- T. Eddy
- Ede's Studios
- Edelle
- Eden Fisher and Co
- F. G. Edey and Co
- S. F. Edge
- Thomas Edge (of Westminster)
- Benjamin Edgington
- John Edgington and Co
- Edibrac
- Henry Edie and Co
- Edinburgh Life Assurance Co
- Edison Accumulators
- Edison and Swan United Electric Light Co
- Edison Bell
- Edison Electric Light Co
- Edison Storage Battery Division
- Edison Swan Cables
- Edison Swan Electric Co
- Edison Telephone Co
- Edison's first public electricity generation station
- A. Edler and Co
- Edmett and Co
- Edmiston and Son
- Edmonds, Orr and Co
- Edmund Brown
- Edmunds and Goolden
- Edmundson and Co
- J. Edmundson and Co
- Edmundsons' Electricity Corporation
- Educational Supply Association
- Edward Arnold and Co
- Edward Batten and Co
- Edward Baylie and Co
- Edward Bould
- Edward de Poorter and Co
- Edward Deane and Beal
- Edward Doherty and Sons
- Edward Eversley
- Edward Hernulewiez and Co
- Edward Hughes and Co
- Edward J. Hill
- Edward Jenner
- Edward Lomer and Co
- Edward Mines Aviation Syndicate
- Edward Paterson
- Edward Suter
- Edward Weir
- Edward Weir and Co
- Edward Whistler
- Edward Worrall and Co
- Edwards
- E. Edwards and Co (of London)
- F. Edwards and Son
- H. F. Edwards and Co
- W. Edwards and Son (London)
- Edwards Air Pump Syndicate
- Edwards and Co (London)
- Edwards and Parry
- Edwards and Sons
- Edwards and Symes
- Edwards Harlene Co
- Arthur Edwards
- B. J. Edwards and Co
- C. Edwards
- C. J Edwards and Son
- Charles Edwards
- F. J. Edwards
- Louis Edwards and Co
- Miles and Thomas Edwards
- Richard Edwards
- William Edwards and Son (Wolverhampton)
- Edwin Burgess
- Edwin Freund
- Edwin Palmer
- Edwin Scharf
- Efficiency
- Egyptian Cigarette Co
- Egyptian Salt and Soda Co
- Ehrmann Brothers
- E. Eichhorn
- Eisemann Magneto Co
- Eisenmann and Co
- Elastic Rail Spike Co
- Elce and Co
- Elco Clocks and Watches
- Elders and Fyffes
- Electra
- Electradix Radios
- Electric and General Works
- Electric and International Telegraph Co
- Electric Apparatus Co
- Electric Appliance Co
- Electric Carriage and Storage Co
- Electric Construction Co
- Electric Construction Corporation
- Electric Gramophones
- Electric Heating Co
- Electric Hose and Rubber Co
- Electric Light and Power Generator Co
- Electric Light Insurance and Maintenance Co
- Electric Lighting Boards
- Electric Pulley Block Co
- Electric Shavers
- Electric Taxicab Co
- Electric Traction Co
- Electric Tramcar Syndicate
- Electric Van, Wagon and Omnibus Co
- Electric Vehicle Co
- Electric Vehicles Development Co
- Electric Welding Co
- Electric Welding Syndicate
- Electrical and Engineering Supplies Co
- Electrical Association for Women
- Electrical Co
- Electrical Contractors' Association
- Electrical Contracts and Maintenance Co
- Electrical Development Association (EDA)
- Electrical Engineering and Equipment Co
- Electrical Equipment and Carbon Co
- Electrical Installations
- Electrical Power Storage Co
- Electrical Sound and Television Patents
- Electrical Undertakings Co
- Electricity Council
- Electro Acoustic Industries
- Electro-Metals
- Electroflo Meters Co
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- Electrolux
- Electromobile Co
- Electronic Engineering
- Electronic Precision Equipment
- Electronic Switchgear (London)
- Electropol Processing
- Electrothermal Engineering
- Elem Clothing Co
- Elephant Chemical Co
- Eley Brothers
- Elgar Sheet Metal Works
- Eli Richards
- Elijah Edwin Thomas
- Elizabeth Schwartz
- John Elkan
- Elkay Electrical manufacturing Co
- Elkington Carriage Co
- F. Elkins and Co
- H. M. Ell
- Ellams Duplicator Co
- Ellerman Lines
- Ellerman's City Line
- John Ellicott
- Ellington and Woodall
- C. E. Elliot
- George Elliot and Sons
- Elliot, Watney and Co
- B. Elliott (Machinery)
- Elliott and Co (of London)
- Elliott and Fry
- Elliott Fisher Co
- F. W. Elliott
- Elliott, Son and Boyton
- G. Ellis and Co
- G. H. Ellis
- W. Ellis and Co
- Ellis and Beetlestone
- Ellis and Co
- Ellis and Ward
- Bernard J. Ellis
- J. C. and J. S. Ellis
- James Ellis (Engineer)
- P. Ellis
- Richard Ellis and Son
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- John B. Ellison and Sons
- Elliston and Fell
- Ellmax Electronics
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- Elma Manufactory
- Elmat
- Elna (Great Britain)
- Elphinstone-Vincent Electro-Dynamo Machine Co
- Elsan Manufacturing Co
- C. F. Elwell
- Elwells Engineers
- Emberson's
- Emerson Nichols China Co
- EMG Handmade Gramophones
- EMI Institutes
- Emile of Conduit Street
- Emmerich (Berlon)
- Emmott, Hayward
- C. J. Emms
- Emms Ltd
- Empire Aluminium Co
- Empire Engineering Co
- Empire Hotels
- Empire Motor Cycle Co
- Empire Printing Ink Co
- Empire Publicity
- Empire Roller Bearings Co
- Empire Stone Co
- Empire Tea Bureau
- Employers' Liability Assurance Corporation
- Empson Centrifugals
- Empson Electrical Engineering Co
- Enamelled Metal Products Corporation
- Encon
- Encore Cycle and Motor Co
- Encyclopaedia Britannica
- Endurite Leadless Paint Co
- Energising Momentum Engine
- Engelbert and Co
- Engert and Rolfe
- Engine Development Co
- Engine Patents
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- George England
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- George England and Co
- Englebert Tyres
- Englefields
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- English and Scottish Law Life Assurance Association
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- English Motor Car Co
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- Enlayde
- Enolin (1926)
- Enterprise Manufacturing Co
- Enterprise Steel Co
- Enthoven Solders
- H. J. Enthoven and Sons
- Epicyclic Manufacturing Co
- Epoch Manufacturing Co
- Epoch Reproducers
- James Epps and Co
- Epstein Accumulator Co
- Epstein Brothers
- Harry Epstein (Furniture)
- Equipment and Engineering Co
- Equipment Repairs
- Equipments
- Equitable Gas Co
- Equitable Gasworks
- Equitable Life Assurance Society
- Equitable Life Assurance Society of the United States
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- Equity and Law Life Assurance Society
- Equity Credit Co
- Erard Pianos
- Erg Resistors
- Erie Resistor
- Erith and Co
- Erith's Engineering Co
- Eriths Engineering Co
- Kurt Erlach
- Ernest Grimaldi
- Ernest Lyon
- Ernest Lyons Gas Equipment
- Ernest Turner (2)
- Ernest W. Perrett
- Ernest Zappert
- Errington and Martin
- Erwood and Co
- W. L. Erwood
- Esavian
- Escare Art Metal Co
- Esdaile and Co
- Eskimo Interlining Co
- E. Essex and Co
- Essex and Co
- Essex Engineering
- Essex Southey and Co
- Esterbrook Hazell Pens
- Estey Organ Co
- Estler Brothers
- Eston Sheet and Galvanizing Co
- Etodd and co
- Euboeolith Patent Flooring
- Eugene
- Eunice
- Eureka Machine and Hardware Co
- Euro Electronics
- European Assurance Society
- European Cars
- European Co
- European Cycles Consolidated Co
- European Petroleum Co
- Eustace Miles Food Co
- Euston Hotel, London
- Euston Ignition Co
- Euston Manufacturing Co
- Euston Motor Co
- Euston Railway Station
- A. Evans
- A. G. Evans and Co
- D. H. Evans
- Evans and Co (of London)
- Evans and Son
- Evans and Weale
- Evans and Wormull
- Evans Medical Supplies
- Evans Son and Co
- Arthur E. Evans and Co
- D. H. Evans and Co
- F. H. Evans and Co
- F. W. Evans
- John Evans and Son
- Evans, Livock and Co
- Evans, Marshall and Co
- Evans, Osgood and Co
- Evans, Son and Co
- Evans, Sons, Lescher and Webb
- J. E. Evans-Jackson and Co
- Evenden and Co
- Everett and Co
- Everett, Clear and Hayward
- Evering Manufacturing Co
- Everitt W. Vero and Co
- Everitt, Adams and Co
- Everseal Products
- Evershed and Vignoles
- Eversley Press
- Evinrude Motor Co
- Evraz
- Ewart and Son
- Ewart and Sons
- Ewart's Geysers
- A. Ewin
- Exactor Control Co
- Excelsior Camera
- Excelsior Printers Supply Co
- Exchange Telegraph Co
- Expandit Suitcase Co
- Expandite
- Explosives and Chemical Products
- Export Packing Service
- Express
- Express Lift Co
- Express Motor and Body Works
- Express Newspapers
- Express Rubber Co
- Exqvisita
- Exton Board Co
- Eyquems Patents
- Eyre and Spottiswoode
F
- F E Proprietary Co
- F. A. Clark and Son
- F. A. Robinson and Co
- F. and A. Guppy
- F. and M. (Jewellery)
- F. and M. Supplies
- F. Barton and Co
- F. C Russell
- F. C. Reiser
- F. Carrel
- F. Dennant
- F. Dewsbury and Co (1913)
- F. E. W. Patents Co
- F. G. Brown
- F. H. Brackpool and Co
- F. Henschel and Co
- F. J. Davis (Motor Accessories)
- F. L. Smidth and Co
- F. Lipscombe and Co
- F. Mebes and Sons
- F. O. C. H. (FOCH)
- F. R. H. Barnes
- F. R. Van Houten Manufacturing Co
- F. Russell and Co
- F. S. Dudgeon and Havart
- F. Trauffler
- F. W. Boeckem and Co
- F. W. Garner and Co
- F. W. Peckham Motor Syndicate
- F. Wilkinson
- F. Winter
- F.N. Motor Agency
- B. Fabbricotti
- A. W. Faber
- Johann Faber
- L. and J. Fabian
- Fablon
- Facile Carburettors
- Facsimile Letter Printing Co
- Factory Cleaners
- Faculty of Surveyors of England
- Fairbanks Co
- Fairbanks, Morse and Co
- John Fairdale
- Alfred R. Fairer
- Fairfax Engineering Works
- Fairfield Supplies Co
- W. Fairhead
- Fairview Homes
- Fairway Golf Target Co
- Fairy Motors
- Falcom Patent Oakum and Lint Works
- Falcon Foundry
- Falcon Glass Works
- H. Falconnet
- Falconnet-Perodeaud
- Falk, Stadelmann and Co
- Falks
- Fallolite Co
- E. J. Fallon
- Fallot Incandescent Light Co
- Jonathan Fallowfield
- Family Endowment Society
- Family Herald
- Fancy Silks and Fabrics
- Fane Engineering Designs
- Fanfare Productions
- Faraday and Son
- Faraday House
- Farman Automobile Co
- Farmer and Brindley
- Farmer and Co
- Farmer and Stock-Breeder
- William Farmer
- William Farmer and Co
- Farmers and Graziers' Mutual Cattle Assurance Association
- G. Farmiloe and Son
- George Farmiloe and Sons
- T. and W. Farmiloe
- Farnham
- Farrar Brothers
- Farringdon Works
- Farris and Co
- Farrow and Jackson
- Farrow's Bank
- W. Fasham and Son
- Fashion Silk and Rayon Weavers
- Fashionware
- Fassett and Johnson
- Fastnut
- Faudels
- A. Faulkner
- Arthur Faulkner
- C. W. Faulkner and Co
- Faulkner, Davies and Co
- Faun Folding Cycle Co
- Faure Accumulator Co
- Favourite Carburetter
- Favre-Leuba Trading co
- Fawcett Construction Co
- Feaks and Hiscott
- G. Featherstone and Son
- John Feaver
- Federal Steam Navigation Co
- Federation of Coated Macadam Industries
- Federation of Master Builders
- Federation of Surgical Instrument Manufacturers
- Feest and Sons
- Feetham and Co
- Frank Fehr and Co
- Felco Hoists
- Feld Brothers and Co
- Fell and James
- Fell, Baxter and Co
- Felt and Co
- Felten and Guilleaume
- W. H. Feltham
- Feltham's
- Felton's Carriage Works
- Fenchurch Street Railway Station
- Fenlon and Son
- H. Fenn
- Joseph Fenn
- Fenner and Appleton
- N. J. Fenner and H. B. Alder and Co
- Fenning and Co
- Fenning's Wharf
- John Fensom
- Fentocraft
- Fenton Manufacturing Co
- Fenwick of Bond Street
- Ferd. Anthony Horle and Co
- H. Fereday and Sons
- H. and J. Ferguson
- Ferguson Superheaters
- C. J. Ferguson and Sons
- H. A. Fergusson
- Fermans
- Fermans Die Castings
- Fermaprint
- Fernand Espir
- George Fernau and Son
- Fernet-Branca
- N. Fernie and Son
- Ferranti, Thompson and Ince
- Ferro-Arc Welding Co
- Ferrox Co
- Ferrubron Manufacturing Co
- Fescol
- Feuerheerds Rotors
- Fibrax
- Fibre Case Co
- Fibre Form
- Fickus Courtenay and Co
- Fidelity Radio
- Fidessa Group
- Field and Co (Fruit Mercants)
- Field Consolidated Aircraft Services
- F. A. Field
- J. C. and J. Field
- Fillebrook Cycle Co
- Filliter and Rofe
- Film Cooling Towers
- Film Industries
- Filma Burners
- Filmdex
- Fina Petroleum Products
- Finance Corporation for Industry
- Financial Times
- Finch and Co (London)
- Finchley Motor and Engineering Co
- Finchley Place Garage
- Findlater Mackie Todd and Co
- Robert Findlay
- Findlay and Co
- Fine Art and General Insurance Co
- Finishing Aids and Tools
- Finnigans
- Finnish Valve Co
- Finsbury Distillery Co
- Finsbury Office Furnishing Co
- Fire Appliance Co
- Fire Appliances Manufacturing Co
- Fire Insurance Association
- Fireproof Co
- Fireproof Doors
- Firth Cleveland
- Firth Cleveland Tools
- Fisco
- C. Fish
- Fish Optical Co
- Fisher Electronics Co
- S. Fisher
- Fisk, Davey and Co
- Fit
- Fitch, MacGillivray and Co
- Fitrobe
- Fitzit
- Fitzmaurice Cars
- Fitzpatrick and Son (of Bow)
- Flamingo Foam
- Flammersheim and Steinmann
- Flammery and Tritton
- J. M. Flanagan and Co
- Flannery and Blakiston
- Fleet and Co
- Fleet Electrics
- Fleet Line
- Fleet Sewer
- Fleetway Manufacturing Co
- Fleetwood Chemical Co
- Fleischer Paper Mills
- Fleming and Co (of London)
- Fleming Safety Goggles
- J. and R. Fleming
- Robert Fleming and Co
- Flender Co
- Fletcher and Spencer
- Fletcher, Fletcher and Co
- George Fletcher and Co
- H. Fletcher, Son and Co
- Joseph Fletcher's Schooners
- Fletcher, Lowndes and Co
- William Fletcher
- Flexaire
- Flexible Drive and Tool Co
- Flexible Shaft Manufacturing Co
- Flexile Metal Co
- Flextol Engineering Co
- Flight Publishing Co
- Flintop Distributing Co
- Floor Sales
- Florence Stove Co
- S. L. Flores
- Florian J. Hyam
- Florin
- Floris
- J. Florsheim and Co
- Flower and Everett
- Flowton Dials
- Fluid Pressure Pumps
- Fluxite
- Foamair
- Foamite Firefoam
- Focal Press
- Fold-Gar
- Foldex
- Fonotipia
- Fonteyn and Co
- J. Foot and Son
- Foote and Milne
- Richard W. Foote
- Eugen J. Forbat
- H. and H. Forbes
- Forbes Patent Trunk and Box Works
- Forbes, Abbott and Lennard
- Ford Agency
- Forder and Co
- B. J. Forder and Son
- Fordham and Smith
- William B. Fordham and Sons
- Forestry Pulp and Paper Co
- Foresyte Furniture
- Forge-Craft (Wood Green)
- Forhans
- Formbys Cement Works Co
- H. Forndran and Sons
- Forrest and Co (of Limehouse)
- Forrestt and Co
- Forsbrey Trouser Press Co
- Forster and Gregory
- Forster Brown and Rees
- Forte and Co
- Fortiphone
- Fortis Green Reservoir
- Fortnum and Mason
- Forton and Bettens
- Fortune and Co
- Foseco Minsep
- Allen Foster and Co
- Foster and Winstone
- Foster Engineering Co
- Foster Wheeler
- M. B. Foster and Sons
- Fosters Power Piping
- Fothergill, Hankey and Co
- Foundation Engineering
- Fountayne Lamp and Engineering Co
- Four Wheel Drive Lorry Co
- Joseph and Charles John Fourdrinier and Co
- Fourways Travel
- L. N. Fowler and Co
- Fowler and Baker
- Fowler and Polglaze
- Benjamin Fowler and Co
- Fowler-Waring Cables Co
- Fownes Forge and Engineering Co
- Edwin Fox and Co
- H. A. Fox
- H. A. Fox and Co
- Fox's General Perfumery Warehouse
- Fox, Bateman and Fox
- C. J. Fox and Co
- Fox, Henderson and Co
- William Fox (of London)
- T. Foxall
- Foxcroft and Duncan
- W. Foxton
- Foy and Norton
- W. and G. Foyle
- Foyles
- Fractional H.P. Motors
- Fram (London)
- Fram Dairy Machinery Co
- Frampton and Paine
- J. France
- William France, Fenwick and Co
- M. W. Francis and Co
- Francis and Co
- Francis and Co (2)
- Francis Baldwin
- Francis Barker
- Francis Caird
- Francis Chapman, Sons and Deekes
- Francis Rider
- Francis Theakston
- Charles Francis
- Franco-British Electrical Co
- Frank and Montague
- Frank Blackford Cycles
- Frank Buckler
- Frank Dennis and Co
- Frank Love
- Frank Romany
- Frank Suter and Co
- Frank Tomey and Co
- Frank Wheeler and Co
- Frank Whitelegg
- Livett Frank and Son
- Frank, Lewis and Co
- Adolph Frankau and Co
- Franklin, Iddins and Co
- Walter T. Franklin
- Alfred Franks and Bartlett Co
- J. J. Franses
- Fraser and Aguirre
- Fraser and Fraser
- Fraser and Glass
- Andrew Fraser and Co
- W. J. Fraser and Co
- George Frasi
- Fratelli Branca and Co
- Frazer's Tablets
- Frazi
- Frazzi Fireproof Construction
- Freame Bank
- Fred A. Paget
- Fred Hoffman
- Fred J. Doun
- Fred J. Down
- Frederic Dye
- Frederick Betts
- Frederick Colyer and Co
- Frederick Cooper and Co
- Frederick Dye
- Frederick G. S. Littlefield and Co
- Frederick Hamilton
- Frederick Lawrence
- Frederick Lipscombe and Co
- Frederick M. Mead and Co
- Frederick Poole and Co
- Frederick Preston
- Frederick Ware
- Frederick William Lucas
- Freeder Brothers
- Sidney I. Freeder
- Freedex
- Freedman Valve Co
- W. and J. R. Freeman
- Freeman Brothers
- Freeman Fox and Partners
- Freeman Roe and Hanson
- Alfred Freeman
- John Freeman
- Joseph Freeman and Son
- Joseph Freeman, Sons and Co
- S. Freeman
- Freers Manufacturing Co
- Freestone and Webb
- Freeth and Pocock
- Freezone
- Freight Bonallack
- Freightliners
- Freitag (London)
- French
- French and Scott
- French Asphalte Co
- French Line
- French Sportswear
- French's Motor Engineering Works
- Frenchs
- Fricker and Miller
- Frieake and Gathercole
- Frischer and Co
- Friswell
- Friswells
- Friswells Automobile Palace
- Frizzell Life and Financial Planning
- Frodair Iron and Steel Co
- Charles Frodsham and Co
- Frontier Commercial Agency
- L. A. Froomberg
- M. A. Frost
- Frost and Co
- Frost and Reed
- Frost and Wood Co
- Frost Brothers
- Alfred J. Frost
- Jack Frost
- Frost, Noakes and Co
- Frost, Noakes and Vincent
- F. Froud and Sons
- W. N. Froy and Sons
- Fry and Co
- Fry and Cowell
- Fry's (London)
- Fry's Metal Foundry
- Fry's Motor Works
- E. B. Fry
- Edmund Fry and Co
- Fry, Miers and Co
- S. H. Fry
- F. M. Frye and Co
- F. M. Fryne and Co
- Frys Metal Foundries
- Fubex
- Fuel Research Board
- Fulcreem Co
- Fulham Gas Works
- Fulham Pottery and Cheavin Filter Co
- A. Fullarton and Co
- S. and J. Fuller
- Fuller and Mead
- Fuller Celery Perles
- Fuller Electrical and Manufacturing Co
- Fuller Horsey Sons and Cassell
- Fuller, Horsey, Son and Co
- Fuller, Macleod and Co
- Fuller-Wenstrom Electrical Manufacturing Co
- R. J. Fullwood and Bland
- Funditor
- Fur Fabric Co
- Fur Renovating Co
- Furmoto Chemical Co
- Furni-Kit
- Furniture and Fine Art Depositories
- W. J. Furse and Co
- W. A. Furze
- Fusarc Welding
- D. A. Fyfe
- Fyfe, Wilson and Co
- Fyffe, Hudson and Co
- Fynwerk
G
- G. A. C. International
- G. A. Cycles
- G. and G. Stern
- G. and H. Hudson and Co
- G. and M. Lane
- G. B. Equipments
- G. B. Fearnley and Son
- G. Bailey Toms and Co
- G. C. Masurier
- G. C. Pillinger and Co
- G. C. Rivetts
- G. Dear and Son
- G. F. H. Bartlett
- G. H. Gregory and Co
- G. Hollins and Sons
- G. Hurst
- G. J. Jessup
- G. Johnson Brothers
- G. L. I. Co
- G. M. Engineering
- G. Mitchell's Marble Galleries
- G. P. O. Instrument Factory
- G. R. L. FLoorings
- G. R. L. Plastics
- G. R. Seton and Co
- G. Rennie and Sons
- G. Rosenmann
- G. Ryder and Co
- G. Skudder and Co
- G. V. D. Illuminators
- G. W. B. Electric Furnaces
- G. W. Dowding and Co
- G. W. Wilkin (London)
- G. W. Young
- G. Weinberg
- G.E.I.S.
- G.S.L. Products
- A. Gaal and Co
- Gabe and Pass
- Gabriel Europe
- Gabriel Sales and Service Co
- Thomas Gabriel and Sons
- Gadsdons
- C. and G. Gadson
- Gagliardi
- A. Gagniere and Co
- Gaisford and Warboys
- Galbani
- Galbraith and Church
- Galbraith, Pembroke and Co
- Gale and Polden
- Galenus
- C. Gall
- A. Gallenkamp and Co
- Galloways of Holborn
- R. Galloway
- Galloway Brothers
- Galpins Electrical Stores
- Galsworthy
- Galvanising Equipment Co
- Galvanizing Equipment Co
- Gamages
- Gamba
- George Games
- Walter Gammons
- Joseph Horlock Gann
- J. B. Gapp and Co
- Gardiner and Co (The Scotch House)
- Gardiner and Mackintosh
- Gardiner's Conveyors
- H. Gardner
- H. Gardner and Son
- Gardner (Weighing)
- Gardner and Co (London)
- Gardner Gun Co
- Gardner Pumping Engine Co
- Gardner, Anderson and Clarke
- Garford
- Garlaine
- Garland and Co (W. B. Fenn, A.R.San.I.)
- Garland Brothers
- Garlick and Russell
- A. R. Garnett
- A. J. Garnett
- J. B. Garnham and Sons
- Garnier and Co
- Garrand Engineering and Manufacturing Co
- Garrard and Co
- Garratt and Atkinson
- A. Garstin and Co
- Gas and Fuel Plants
- Gas Council
- Gas Desulphurization Co
- Gas Economising and Improved Light Syndicate
- Gas Light and Coke Co
- Gas Light Improvement Co
- Gas Lighting Improvement Co
- Gas Meter Co
- Gas Self Lighting Co
- Gas Traction Co
- Gasified Fuel
- Gaston
- Gaston Auto Service
- Gaston, Williams and Wigmore
- Gate Machinery Co
- Gates Iron Works
- Gates of London
- Gatesborough Furniture Works
- Gateshead and District Tramways Co
- Gauge and Tool Makers' Association
- Gaulois Tyres
- L. Gaumont and Co
- Gauthier and Co
- H. Gaventa
- Gawthorpe
- R. Gay and Co
- Gayford and Co
- Gayonnes
- H. E. Gaze
- Gearless Motor Omnibus Co
- Gearless Stokers
- GEC Londex
- Gee Brothers Radio
- Gee Tee Co
- Geipel and Lange
- William Geipel
- William Geipel and Co
- Gellatly, Hankey and Co
- Gem Brushes (Luson)
- Gem E. Supplies Co
- Gem Supplies Co
- Martin Geminder
- General Accident Assurance Corporation
- General Acoustic Co
- General Acoustics
- General and Engineering Industries
- General Aviation Contractors
- General Celluloid Co
- General Development Co
- General Electric Apparatus Co
- General Electric Power and Traction Co
- General Engine and Boiler Co
- General Financial Bank
- General Fire Appliance Co
- General Fittings Co
- General Hydraulic Power Co
- General Incandescent Co
- General Inductance Co
- General Iron Foundry Co
- General Land Drainage Co
- General Life and Fire Assurance Co
- General Motor and Tyre Co
- General Motor Cab Co
- General Motor Car Co
- General Motors
- General Petroleum Co
- General Post Office, London
- General Radio Co
- General Radiological
- General Railway Signal Co
- General Reversionary and Investment Co
- General Sonic Industries
- General Stampings
- General Steam Carriage Co
- General Steam Coach Co
- General Steam Navigation Co
- General Surgical Co
- General Trading Co
- Genese Cycle Co
- Genevieve Restaurant
- Societe Genevoise
- Genn
- Gentlewoman Magazine
- Geo. Parker and Sons (Saddlers)
- Geoffrey Parker
- Geological Survey and Museum
- Georama
- George Allen and Co
- George and Co
- George and George
- George and Samuel Cutler
- George Atkinson and Co
- George B. Blumsom
- George Baetz
- George Bridgen
- George Bright
- George Clarke (Motors)
- George Coode
- George Cutler and Co
- George Eade
- George Edwards (of London)
- George Ell and Co
- George Elliott and Sons
- George F. Janes and Co
- George Fischer Sales
- George Gibbs and Co
- George Haigh
- George Hawks, Junior
- George Hopton and Co
- George Jackson and Sons
- George Jervis Worssam
- George Joseph Gladstone
- George Lebam
- George Newman and Co
- George O'Brien Baker
- George Richmond
- George Roberts (of Cheam)
- George Roberts (of Oxford Street)
- George Scamell (of London)
- George Scott and Co
- George Seamell and Co
- George Treble and Son
- George Turner (of London)
- George Tutill
- George W. Mancell
- George W. Mansell (London)
- George W. Sweeting
- George White and Co
- George William Kiderlen
- George Wood and Co
- George Wooster
- George, Harding and Sons
- W. and J. George and Becker
- Gerald and Graham Henderson
- Gerald Barker
- Gerald Stains
- Gerard and Cie
- Gerardin and Watson
- Gerish and Weston
- Francis William Gerish
- S. Gerish and Co
- Germ Lubricants
- German Tourist Information Bureau
- Gerrard and Co
- Gertrude Hartley
- N. Gerver
- Gestetner
- J. Ghions
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- Sir Alexander Gibb and Partners
- Gibbons and White
- Stanley Gibbons
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- W. E. P. Gibbs
- Alexander Gibbs and Co
- D. and W. Gibbs
- Gibson and Vowell
- Gibson Brothers
- Arthur L. Gibson and Co
- H. P. Gibson and Sons
- Osmund Gibson
- Giddy and Giddy
- Percy Gieve
- Gieves
- Gigantic Wheel and Recreation Towers Co
- Gilbarco
- Gilbert
- A. C. Gilbert Co
- Francis Schwench Gilbert
- Gilbert and Frasi
- Gilbert and Son (of London)
- Gilbert Searle
- J. Gilbert and Co
- Peter Gilbert
- W. W. Gilbertson
- W. and A. Gilbey
- Gilburt Motor Car Co
- Gilder and McEachern
- Gilfords (HSG)
- Gill
- T. H. Gill and Son
- Gill All-Weather Motor Bodies
- Gill and Reigate
- Arthur Gill
- Gillean and Co
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- George Gillespie and Co
- Gillett and Ewer
- Horace Gillett
- Gillman and Sowerby
- Gillow
- Gillow and Co
- Gilsons
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- Girdlestone Pumps
- C. Gire
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- Glaeser's London Enamels
- J. Glaister
- Glanfield Lawrence
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- J. and H. Glasman
- Glass Manufacturers' Federation
- Glass Technical Services
- S. Louis Glass and Co
- Glassbrook
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- Alexander Von Glehn and Co
- Glendower Cycle Co
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- Glews Patent Steel-Shielded Rubber Tyre Syndicate
- J. Gliksten and Son
- Global Industries
- Globe Electric Co
- Globe Electrical Co
- Globe Hotel, London
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- Glorex Woollen Co
- Gloria Products
- Glover and Main: 1902
- Glover, Edwards and Co
- J. Glover and Sons
- Glover-Lyon Ventilation Co
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- Glyn Mills and Co
- D. Gmelin
- GN Car Co
- Gnome / Nomad
- Gobert Sports
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- J. A. Goddard
- Goddard and Smith (Valuations)
- Goddard Hammock Bed Co
- Godfrey Davis
- Godfrey Engineering Works
- Godfrey's
- Goding and Co
- Godward Carburetter Co
- Godwin and Son
- A. A. Godwin and Son
- Godwins
- A. Goerz and Co
- C. P. Goerz
- Goggomobil
- Y. Goldberg and Sons
- Golden Jubilee Bridges
- T. E. Golding
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- Goldsmiths and Silversmiths Co
- Goldwell Farms
- Golflaine
- Gonzalez Byass and Co
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- Goodbehere and Co
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- George W. Goodchild and Macnab
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- E. Goossens, Pope and Co
- Gor-Ray
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- James Gordon and Co
- John Gordon and Co
- Luis Gordon and Sons
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- Gorer
- C. and O. Goring
- Frederick Gorringe
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- John Gosnell and Co
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- Mrs E. Gottlieb
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- Arthur E. Gould
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- A. Grabham and Co
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- Graham and Son
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- Alfred Graham and Co
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- Arthur Gray
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- Richard and Henry Green
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- Stephen Green
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- John Greenfield
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- C. H. Griffiths and Sons
- Richard Griffiths (London)
- Griffon Motors
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- W. H. J. Grout
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- H. Grube
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- John Guest and Co
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- Guilliet
- S. Guiterman and Co
- J. K. Gulland
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- Thomas Gunn
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- Gunther Wagner
- Gurney and Co
- Guthrie and Co
- Gutta Percha and Rubber (London)
- Gutta Percha Co
- H. Gutteridge
- Gutteridge Sampson and Co
- Oscar Guttmann and Sons
- H. Augustus Guy and Co
- Guy Lewin (Ltd)
- Guy's Hospital, London
- Guynan and Son
- Nell Gwyn Marmalade
- A. E. W. Gwyn
- Gwynne and Co
- Gwynnes
- Gwynnes Engineering Co
- Gwynnes Pumps
- Gypsum Plasterboard Development Association
H
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- H. G. Graham and Son
- H. H. H.
- H. H. Williams
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- H. Herrmann
- H. Hobbs Wilson
- H. J. Cash and Co
- H. L. B. Motors
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- H. M. Eastern African Dependencies
- H. Mankin
- H. Marcotty
- H. Nikolin
- H. O. Quinn
- H. Pattison and Co
- H. Reeve Angel and Co
- H. Richardson and J. A. McLaren
- H. S. B. Meakin
- H. S. M. Motors
- H. Scott and Sons
- H. Spicer and Co
- H. T. Hilton and Co
- H. W. Dutton and Co
- A. Haacke and Co
- T. H. Haagen, Son and Co
- A. and R. Hacker
- Hackford Motors
- Hackney Technical Institute
- W. H. Hackwood and Co
- Haddon Group
- John Haddon and Co
- Haden Young
- G. N. Haden and Sons
- Hadley Cycle Co
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- Haggerston Gasworks
- Lawrence Haggerty and Co
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- Halcyon Days
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- D. Hald and Co
- W. and R. Hale
- Hale and Son
- Halex
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- J. Halford and Son
- William Halford
- William Hall (Engineer)
- Hall and Clarke (of London)
- Hall and Co
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- Hall and Sons
- Hall and Wells
- Hall Boilers
- Hall Electric
- Hall Spare Wheel Motor Co
- Hall Thorpe Gallery
- Hall's Autopaint and Varnish Co
- Hall's Iron Foundry
- Arthur Hall and Co
- B. and J. Hall and Co
- B. J. Hall and Co
- Hall, Bayliss and Co
- Hall, Beddall and Co
- Hall, Harding
- Hall, Lewis and Co
- Matthew Hall and Co
- Hallen and Hallen
- Hallett and Fry
- William Halley
- S. F. and O. Hallgarten
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- C. E. Halls
- Halls (Finchley)
- Halls Commercial Division
- Hallzone
- Halma
- Edward Halse and Son
- Edward Peter Halse and Co
- Haltrac
- Theodore Hamblin
- Hamburger, Rogers and Co
- Hamilton Motors (London)
- Hamilton and Co (London)
- Hamilton Association
- J. B. Hamilton and Co
- J. Hamilton (3)
- John Hamilton Ltd
- J. R. Hamilton
- Hamley Brothers
- Hamlyn and Co
- Hammersmith and City Railway Joint Committee
- Hammersmith Flyover
- Hammond's
- J. G. Hammond and Co
- Hammond (of North Finchley)
- Hammond and Champness
- Hammond and Co
- Hammond and Co (Electrical Engineers)
- Hammond Electric Light and Power Supply Co
- Hammond Electrical Engineering College
- Hammond Pump and Equipment Co
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- Hampstead Water Co
- Hampton and Sons
- Hampton Cars (London)
- Hampton's
- Hamptons
- Hanbury and Co
- Hanbury, Lloyds and Co
- J. L. Hancock
- Hancock and Co
- Hancock Brothers
- Hancock Inspirator Co
- C. F. Hancock
- C. Hancock and Son
- James Lyne Hancock (Company)
- Walter Hancock and Co
- Hancocks and Co
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- G. Hands and Co
- Bernard Hanison
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- Hanson Trust
- Charles Hanson
- Samuel Hanson and Son
- Harbinger Marine Economiser Co
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- W. Harbrow
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- Harcourt M. Page
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- R. Hardcastle
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- A. F. Harding and Co
- Harding and Summers
- Ken Harding
- Harding, Tilton and Hartley
- John Hardman and Co
- L. and C. Hardtmuth
- R. Hardy and Son
- Hardy Wells
- John G. Hardy
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- Harkwell Labels and Tags
- W. H. Harling
- R. Harman and Co
- T. J. Harman and Co
- H. R. Harmer
- W. Harold Perry
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- Harold Townend
- J. Harper
- Harper Bean
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- Harper Piano Co
- Harper Twelvetrees
- D. Harper and Co
- Thomas Harper (2)
- Thomas Harper (of Clerkenwell)
- Thomas Harper
- Robert Harpers and Co
- Harpham and Co
- Harpic
- Charles Harrap and Co
- John Harrap and Son
- Harrild and Sons
- Harrington Brothers
- Harringtons
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- Harris Patent Feed Water Filter (1910)
- L. Harris and Co
- M. Harris and Sons
- T. H. Harris and Sons
- Harris (Boot and Legging Maker)
- Harris (of London)
- Harris and Dixon
- Harris and Hasell
- Harris and Mills
- Harris and Others
- Harris Engineering Co
- Harris Patent Feed-Water Filter,
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- Harris Publications
- D. Harris (Trays)
- E. Harris and Co
- H. Harris (Textiles)
- J. F. and G. Harris
- L. Harris
- Marcus Harris and Lewis
- Miller Harris
- S. and H. Harris
- William Harris and Son
- H and T Kirby and Co
- Harrison and Sons
- J. Harrison (of London)
- R. Harrison and Son
- Harrison and Co
- Harrison and Standley
- Harrison Piano Co
- Alfred H. Harrison
- Harrison, Ainslie and Co
- Clark W. Harrison and Co
- C. W. Harrison
- Joseph Harrison (2)
- Harrisons and Crosfield
- Harriss and Risse
- James S. Harrisson and Sons
- Harrods
- Harry Crown
- Harry Dufaur and Co
- Harry Hall
- Harry Matthews
- Harry Moss (London)
- Harry W. Cox and Co
- Harry Westcott
- Hart and Son
- Hart and Sons
- Hart Collins
- David Hart and Co
- H. W. Hart
- Hart, Son, Peard and Co
- Hartlepool Electric Tramways Co
- H. A. Hartley Co
- Hartleys (Stoke-on-Trent)
- Hartnett Patent Milking Machine Co
- H. A. Harvey and Co
- Harvey Brothers
- Harvey Du Cros (Company)
- Harvey Jones
- Harvey Nichols and Co
- Harvey Spring Lock Washer Co
- Harvey Toy Co
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- Harveys
- E. R. Harveyson and Co
- Harvie Corporation
- Haseltine, Lake and Co
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- Hasler Telegraph Works
- John Hassall
- Hassett and Harper
- Hastings and Thanet Building Society
- George Hatch
- Hatcham Ironworks
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- William Hatchman and Co
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- Hathorn and Co
- Hatton Jewellery Co
- Charles Hatton and Co
- Haughton's Patent Metallic Packing Co
- Haven Foods
- Haverstock Hill Railway Station
- Alfred Hawes and Son
- Hawker Siddeley Aircraft Co
- G. Hawkins and Son
- L. G. Hawkins and Co
- S. Hawkins
- W. Hawkins
- Hawkins and Baxter
- Hawkins and Tipson
- Hawkins Brothers and Co
- A. L. Hawkins and Co
- E. Hawks and Son
- Hawks, Stanley and Co
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- Hawkshaw and Hayter
- Hawksley and Sons
- Hawksley's Patent Treads
- Hay's Wharf Cartage Co
- Hay, Maryon and Co
- Hayes, Fenn and Co
- Hayman, Christy and Lilly
- Haymarket Publishing
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- Jonathan Hayne
- Miss Haynes
- Haynes and Son
- Hays Group
- Frederick Joseph Hayslep
- Hayter
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- Hayward Brothers
- Hayward Brothers (of Union Street)
- Hayward Brothers and Eckstein
- Hayward Co
- Hayward Tyler and Co
- Hayward, Smead and Co
- Haywards
- Haywood Foundries
- Thomas Haywood and Sons
- Hazel and Co
- Hazell, Watson and Viney
- Hazells
- H. Head
- Head and Sons
- Jeremiah Head and Sons
- Head, Williams and Co
- Head, Wrightson Processes
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- Headland's Patent Electric Storage Battery Co
- Thomas P. Headland
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- Heal and Son
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- Health Corset Co
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- C. Heap
- Heaps and Robinson
- P. Hearn
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- Heath and Wing
- Henry Heath
- Heather Filters
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- Heathman and Co
- Heathorn and Wells
- F. C. Heayberd and Co
- Hebbert and Co
- Heberlein Co
- Heberlein Self-Acting Railway Break Co
- Heckman and Co
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- Hedley S. Hunt and Co
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- Heenan Spark
- John Henry Heeps and Son
- P. Heilmann
- H. Heim
- E. D. Heinemann
- William Heinemann
- R. Helbronner
- Helen Lawrence
- Helena Rubinstein
- Helical Bar and Engineering Co
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- Helicoid Locknut Patents (Parent) Co
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- Heller and Co
- Charles Hellis and Sons
- Hellyar and Sons
- Hely and Co
- Hely-Mann Electronics Laboratories
- Hemans, Falkiner, and Tancred
- Lindsay Hemery and Co
- Hemingway and Co
- J. C. Hencke
- Hendee Manufacturing Co
- G. Henderson
- George Henderson (Engineer)
- Henderson and Keith
- Henderson Brothers and Co
- D. M. Henderson and Co
- James Henderson and Sons
- Hendon Motor Cycle Co
- Henley Brothers
- W. T. Henleys Telegraph Works Co
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- Henlys
- Thomas Hennell
- Henningham and Hollis
- Henri Gowns
- Henricot Steel Foundry
- Henrite Explosives
- M. Henry (London)
- Henry Allan and Sons
- Henry and Farthing
- Henry and Sealy Fourdrinier
- Henry Baker
- Henry Bingley
- Henry Bucknall and Sons
- Henry C. Quelch and Co
- Henry Dutton and Co
- Henry Esmond and Co
- Henry Fletcher and Co
- Henry Fox
- Henry Grafton and Co
- Henry Grove Carter
- Henry Harker and Co
- Henry Hewetson (Zinc)
- Henry Holmes
- Henry House and Co
- Henry Huntsman and Sons
- Henry J. Rivers
- Henry Johnson and Sons
- Henry Johnson, Sons and Co
- Henry L. Cockle
- Henry Lamplough
- Henry Lumley
- Henry Maxwell and Co
- Henry Northcott
- Henry Pegram
- Henry Pontifex and Sons
- Henry Reed (Croydon)
- Henry Skoines
- Henry Sporton and Co
- Henry Stephens
- Henry Woodbine
- Henry's (Radio)
- Alexander Henry Ltd
- Carl Hentschel
- Hepburn and Gale
- Hepburn and Sons
- Hepburn and Sons (Printers)
- Hepburn, Gale and Ross
- W. H. Heppell and Co
- Hepworth Manufacturing Co
- John Hepworth
- Herbert and Co (S.A.P.)
- Herbert and Sons
- Herbert Banks
- Herbert Baumann
- Herbert E. Gibbs
- Herbert Falkner
- Herbert Haddan and Co
- Herbert Hanks
- Herbert Jenkins
- Herbert William Hart
- Herbert, MacCullum and Co
- S. J. Herbert
- Herberts and Co
- E. Hernulewicz and Co
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- Herrburger, Brooks
- Edward Herring and Co
- Edwin and Thomas Herring
- Herrman Klaber
- Hertford Street Motor Co
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- Hertford Union Canal
- Herts, Son and Co
- Hesco
- M. and A. Hess
- John Hetherington (3)
- James Hetley and Co
- Hevea Tyre Co
- Heveenoid Syndicate
- Henry Hewetson and Co
- Hewetsons
- Hewetsons Motor Car Co
- E. H. Hewitt
- C. J. Hewlett and Son
- Heyman Constructions
- Hi-Pile
- Hibbert and Richards
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- Hickling and Co
- Hickman, Batchelor and Co
- James J. Hicks
- Charles Higgins
- Higgins and Co (London)
- Higgins and Giles
- Higgs and Co
- High Speed Machinery Co
- High Speed Tool Co
- High Tension Co
- High Vacuum Valve Co
- Charles F. Higham
- Higham Engineering Co
- Highgate Archway Co
- Highgate Cemetery
- Highgate Hill Tramways
- Highgate Motor Car Co
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- Highways Construction
- G. H. Hijat Tea Co
- Albert Hildesheimer and Son
- Hildyard and Shindler
- Hilger and Watts
- Adam Hilger
- Hill and Sons
- Hill and Ramsell
- Hill Brown
- G. H. Hill and Sons
- Henry Hill and Sons
- James France Hill
- J. R. Hill
- Laurence Hill and Co
- Hill, Norman and Beard Plastics
- R. and J. Hill
- W. Hill and Co
- Walter Hill and Co
- Thomas Hill-Jones
- S. Hille and Co
- Hillen Steel Rail Works
- Hillier and Son
- Hillis Brothers and Co
- Hills (Patents)
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- Hills Brothers
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- Hilmor
- R. B. Hilton
- Hilton, Rider and Co
- W. Hinds
- Hinman Milking Machine Co
- Hinton and Co
- F. W. Hipkin
- Hirschfelds
- Hitchcock, Biggs and Willett
- Hitchcock, Williams and Co
- W. Hitchins (1932)
- HML Engineering
- Hoare and Co
- Hoare and Sons
- Hobart Manufacturing Co
- Hobbs and Co
- Hobbs of Barbican
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- Hobbs, Hart and Co
- Hobcraft
- Hobday Brothers
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- Hobson and Co
- Hobson Manufacturing Co
- H. M. Hobson
- Hochart and Co
- T. Hockett
- Hodder and Stoughton
- Hodge and Batley
- Hodge and Co
- Hodge and Co (of Hatton Garden)
- Hodge and Orchard
- R. E. Hodges
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- Hodges and Co
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- W. D. Hodges and Co
- R. Hoe and Co
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- Hoesch
- Hoffman and Co
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- J. J. Holden
- Holden and Co
- Holdfast Rivet Co
- Holding and Son
- W. F. Holdsworth
- Holeproof Clothing Co
- A. J. Holladay and Co
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- Holland and Son
- Bernard Holland and Co
- John Holland
- Hollands
- W. J. Hollands
- John Hollands
- A. A. Holle
- R. Holliday
- Hollinshead and Burton
- Hollis Woodworking Engineering Co
- Holloway Brothers (London)
- Holloway's Gin Distillery Co
- George T. Holloway and Co
- Stephen Holman (Company)
- F. Holme-Sumner
- Holmes Lights Co
- A. R. Holmes and Co
- Samuel Holmes
- Holophane
- Holophane Glass Co
- Holroyd Smith
- K. Holst and Co
- Holsun Batteries
- Holt and Co (of London)
- Douglas Holt
- Holt, Lees and Co
- Holtzapffel and Co
- Holtzapffel and Deyerlein
- Holywell Trunk Works
- Holzapfel Marine Gas Power Syndicate
- Homan and Rodgers
- Home and Colonial School Society
- Home Library Book Co
- Home Lines
- Home Rubber Co
- Home Specialities Co
- Homelight Oil Co
- W. C. Homersham
- Homeshade Co
- Homeworthy Guaranteed Furniture
- Homo
- Homocea Co
- Homoil Trust
- Hongkong and Shanghai Banking Corporation
- Honig and Mock
- Hoods and Bodies
- Hook and Willis
- Hooman and Co
- Hooper and Batty
- Hooper and Co
- William Hooper (1817-1877)
- Hoopers Telegraph and India-Rubber Works
- J. Van Hooydonk
- Hop Tea Co
- Hope and Co (of London)
- Hope Brothers
- Hope Foundry Co
- Hope's Heating and Lighting
- Hope, Hartope and Co
- Hopkin and Williams
- Hopkin and Williams (Travancore)
- B. D. Hopkins and Co
- G. F. Hopkins and Co
- G. Hopkins and Sons
- George Douglas Hopkins
- Hopkinson and Cope
- J. and J. Hopkinson
- John Hopkinson and Son
- J. E. Hopkinson and Co
- Hopkinsons and Talbot
- Hopton and Sons
- Hopwood and Tilley
- E. and H. Hora
- Horatio Myer and Co
- Horatio Nelson
- Horch Motors
- M. and H. Horinsky
- Horizon Holidays
- James Horn and Co
- Thomas Horn
- Robert Hornby and Co
- E. B. Horne and Co
- Horner and Molesworth
- W. H. and F. J. Horniman
- Horniman Museum
- Hornimans Tea
- Horse and Carriage Insurance Co
- Horseferry Road
- Horsfall Destructor Co
- Horsfall Furnace Syndicate
- Arthur Horsfield (Motors)
- E. Horton and Son
- J. and J. Horton
- Mrs. E. Horton
- J. Horton (London)
- James Hosken
- T. and J. Hosking
- Hoskyns Group
- Hot and Cold Inc
- Hot Dip Galvanizers Association
- George Hotch
- Hotchkiss Hydraulic Propeller Co
- Hotel Metropole, London
- Hotel Rembrandt, London
- Hotel Russell, London
- Hotel Victoria, London
- Richard Houchin
- Thomas W. Houchin and Co
- Houdaille Hydraulic Suspension Co
- J. E. Hough
- Houghton Brown Brothers
- George Houghton and Son
- Houghton-Butcher (Gt. Britain)
- Houk Automobile Co
- Houlder Brothers and Co
- Houlder Line
- James Houldsworth
- Houndsditch Warehouse Co
- House To House Electric Light Supply Co
- Household Equipment Supply Co
- Household Gas Heater and Cooker (Parent) Co
- Household Gas Heater and Cooker Co
- Houses of Parliament
- R. Hovenden and Sons
- Frederick Hovenden
- A. P. How
- How (of Edinburgh)
- Frank How and Co
- Thomas H. How
- H. G. Howard
- J. L. Howard and Co
- Howard and Hill
- Howard and Sons
- Howard Brothers (Shutters)
- Howard Hotel, London
- Howard Lane and Co
- Howard Smith Engineering Co
- Howard, Clarke and Read
- Howard, Ravenhill and Co
- Howard, Stanmore
- Howard, Surgeon Dentist
- Howards (of London)
- Andrew Howatson
- Howe and Shanks
- George Howell
- Henry Howell and Co
- Howell, James and Co
- S. Howes (of London)
- S. Howes Co
- Howison and Co
- D. R. Howitt
- Howse, Mead and Sons
- John C. Hoyer
- HS Motors
- Hubbard's Patents and Tyre Syndicate
- S. Hubbard
- Hubbell and Co
- A. Hubbersgilt
- Thomas Hubbuck and Son
- A. V. L. Hubert
- Frank Hucklebridge
- William Hucks and Co
- Hudd Syndicate
- Richard Hudnut
- B. J. Hudson and Sons
- J. T. Hudson
- W. A. Hudson
- Hudson and Kearns
- Hudson Economiser Co
- Hudson Electronic Devices
- Hudson Essex Motors
- Hudson Motors
- Hudson Steamship Co
- Frederica Hudson
- F. Hudson
- John Hudson and Son
- R. S. Hudson
- Huff
- R. Huggins
- Hugh Anderson
- E. W. Hughes
- F. A. Hughes
- W. Hughes (of London)
- Hughes and Gotto
- Hughes and Kimber
- Hughes and Sons
- Hughes and Stirling
- Crawford Hughes and Co
- H. Hughes
- Henry Hughes and Co (London)
- Henry Hughes and Son
- Henry P. Hughes and Sons
- J. Hughes and Co
- J. Hughes and Sons
- Hughes, Son and Thornton
- W. E. Hughes and Co
- Hugo Droesse
- Hugo House
- Huguenots Private Asylum
- Hulbert Bramley Motor Co
- Hulburd Engineering Co
- Hulburd Patents
- Hulburd, Brothers and Co
- Hulett and Co
- D. Hulett and Co
- Hulsta Furniture
- Hulton Press
- Hummel Brothers
- Humphrey and Gray (Lighterage)
- Humphreys
- J. C. Humphreys
- Humphreys and Glasgow
- Howard Humphreys and Sons
- J. Charlton Humphreys
- Humphreys, Percival Ellis and Co
- Humphris Gear Co
- Hungerford Bridge
- A. M. Hunt
- Hunt Partners
- A. H. Hunt
- A. Hunt and Co
- Hunt, Banard and Co
- Hunt, Bray and Elmsley
- John Hunt
- W. and J. R. Hunter
- Hunter and Co
- Hunter and Hyland
- Hunter and Middleton
- Hunter and Smallpage
- Hunter Electric Candle Lamp Co
- Hunter, Fraser and Goodman
- G. Hunter
- R. F. Hunter
- Hunter-Penrose
- Hunters
- Hunting Aerosurveys
- Hunting Associated Industries
- Huntington, Heberlein and Co
- Huntley and Sparks
- Huntley Walker and Co
- Huntley's (Old St.)
- Hunton
- Hupfeld and Co
- Huppert
- G. and D. Hurn
- Hurseal
- Hurst and Blackett
- Hurst and Lloyd
- Hurst and Middleton
- Hutchinson and Co
- Hutchinson Co
- Hutchinson Tyres
- J. E. Hutton Ltd
- William Hutton and Sons
- Hux and Sons
- J. T. Huxtable and Co
- Hyam and Co
- Hyatt
- Hycolite Manufacturing Co
- Hyde, Archer and Co
- L. J. Hydleman and Co
- Hydraulic Gears
- Hydraulic Tube Drawing and Steel Ordnance Co
- Hydraulics Research Board
- Hydrautomat
- Hydro-Pneumatic Traction Syndicate
- Hydrogen, Oxygen and Plant Co
- Hydroleum Motor Co
- Hygienic Stores
- Hylder Co
- John Hynam
- Hypertac
- Hystogen Derma Process
- Hystogen Institute
I
- I. B. M. United Kingdom
- I. E. S. Accumulator Co
- I. Griew and Co
- I. O. G. Industries
- I.T.D
- Ice Factory Construction Co
- Iceland Tourist Information Board
- ICI
- Icilma
- T. and W. Ide
- Ideal Boilers and Radiators
- Ideal Burglary and Fire Protection Corporation
- Ideal Electric Co
- Ideal Home Electrical Appliances
- Ideal Motor Carriage Works
- Ideal Parquet Floor Co
- Ideal Sewing Machine Co
- Ideal-Standard
- Idris and Co
- Iffley Brick Fireplaces
- IGE-XAO
- Igranic Electric Co
- Ilat (Picnics)
- Ilex Supply Co
- Iliffe, Sons and Sturmey
- Illustrated London News
- Illustrated Newspapers
- Illustrated Sporting and Dramatic News
- Alfred Imhof
- Daniel Imhof
- Immingham Deep Water Dock
- Immisch
- Immisch and Co
- Imp Radio
- Imp-Aerator
- Imperial and International Communications
- Imperial Bank
- Imperial Bank of Persia
- Imperial Basket Manufacturing Co
- Imperial Cancer Research Fund
- Imperial College of Science and Technology
- Imperial Continental Gas Association
- Imperial Fire Insurance Co
- Imperial Gas Light and Coke Co
- Imperial Gasworks
- Imperial Hotel, London
- Imperial Institute
- Imperial Insurance Co
- Imperial Life Insurance Co
- Imperial Light
- Imperial Motor Co
- Imperial Motor Industries
- Imperial Motor Transport Council
- Imperial Patent Service
- Imperial Shopfitting Co
- Imperial Tyre and Rubber Co
- Impervia
- Implitico
- Import Development
- Improved Electric Glow-Lamp Co
- Improved Electric Traction Co
- Improved Gears
- Improved Industrial Dwellings Co
- Improved Liquid Glues Co
- Improved Submerged Log Co
- Imre Engineering Co
- James Ince and Sons (Umbrellas)
- Inchcape
- Incinerator Co
- Incorporated Clerks of Works Association
- Incorporated Froebel Educational Institute
- Incorporated Society of Auctioneers and Landed Property Agents
- Increased Power Co
- Indented Bar and Concrete Engineering Co
- Indented Steel Bar Co
- Independent Broadcasting Authority
- Independent Gas Co
- Independent Pneumatic Tool Co
- Independent Television Authority
- Inder and Henderson
- J. Inderwick
- Indes Refrigerators
- Indestructible Paint Co
- India Rubber Flooring Co
- India Rubber Products Co
- India Rubber, Gutta Percha and Telegraph Works Co
- India Tea Centre
- India Tourist Office
- Indian and Eastern Engineer Co
- Indian Motorcycle Co
- Indian Motorcycle Sales
- Indiana Imp Cyclecar Co
- Indurated Pulley Cover Co
- Indurite
- Indusmond (Diamond Tools)
- Industria (London)
- Industrial and Commercial Finance Corporation
- Industrial and Domestic Heaters
- Industrial and Mining Supplies Co
- Industrial Development Authority
- Industrial Education International
- Industrial Electronics
- Industrial Engineering
- Industrial Gifts
- Industrial Guarantee Corporation
- Industrial Reorganisation Corporation
- Industrial Rubber Products
- Industrial Speciality (Iron and Steel)
- Industrial Tapes
- Industrial Waste Eliminators
- Ingersoll
- Ingersoll Locks
- Robert Ingham, Clark and Co
- Inglis
- J. G. Ingram and Son
- W. G. Ingram
- Ingram-Shaw
- Injection Moulders
- Innes and Grieve
- I. Murray Innes
- Innovation Light Co
- Innoxa
- Gavan Inrig
- Insley Industrial
- Insley Industrial Supply Co
- Institute of Breathing
- Institute of British Photographers
- Institute of Incorporated Practitioners in Advertising
- Institute of Marine Engineers
- Institute of Speedwriting
- Institution of Automobile Engineers
- Institution of Electronic and Radio Engineers
- Insulated Cap and Rivet Co
- Insulaters
- Insulex
- Insulite Products Corporation
- Integral Oxygen Co
- Integral Propeller Co
- Intereurope Export Publications
- Interflora
- Interiors International
- Interlock Metal Hose Co
- Interlocked Metallic Tubing Co
- Internal Combustion Engine Cleaning
- Internal Combustion Engine Cleaning Co
- International (GB)
- International Aeradio
- International Air-Gas Corporation
- International Bakers and Confectioners Exhibition
- International Bank of London
- International Bottle Co
- International Channelling Machines Co
- International Computers and Tabulators
- International Construction Co
- International Correspondence Schools (ICS)
- International Crushing and Grinding Equipment
- International Electric Co
- International Electrical Engineering Co
- International Engine Patents Development Co
- International Fur Store
- International Life Assurance Society
- International Machinery Corporation
- International Motor Car Co
- International Motor Traffic Syndicate
- International Nickel
- International Plasmon
- International Publishing Corporation
- International Standard Electric Corporation
- International Tea Company's Stores
- International Time Recording Co
- International Trade Exhibitions
- International Tyre and Rubber Co
- Interoven Stove Co
- Intertherm
- Investors in Industry
- Invicta Radio
- Invincible Policies
- IPC Transport Press
- John Ireton and Co
- Iris Motor Co
- Irish Distressed Ladies Fund
- Irish Linen Co
- Iron Bridge Association
- Iron Bridge Service Depot
- Iron Steamboat Co
- Iron Wire, Wire Rope and Fencing Co
- Ironite Co
- Ironmaster's Co
- Irosteel Products
- Irvona
- Irwin and Jones
- F. W. Isaac
- J. P. Isaacs
- Isca Foundry and Engineering Co
- Isenthal and Co
- Isle of Dogs Canal
- Isle of Thanet Electric Tramways and Lighting Co
- C. Isler and Co
- Ison, White and Bedford
- Isopad
- Issac Slater (Publisher)
- Italia Line
- Italian General Shipping
- Italian Sculptured Marble Co
- Itonia
- Ivanhoe Motor Co
- Ivel Agricultural Motors
- IVO Engineering and Construction Co
- Ivor Electrical Co
- Ivor Motors
- Ivorite Nickel Electro Foundry
- Iwel Engineering
- Ixion Weatherproofs
J
- J. A. Byrne
- J. A. Fitch and Son
- J. A. Fowle
- J. and E. Worth
- J. and K. Grevener
- J. Arthur Williams
- J. B. Corrie and Co
- J. Bryce Smith
- J. Burton, Sons and Waller
- J. C. King (Stationers)
- J. C. King Ltd
- J. C. Morley
- J. C. R. Okes
- J. C. Schwieso and Co
- J. C. Wilson and Co
- J. Cranmer and Co
- J. D. Beardmore and Co
- J. D. F. Andrews and Co
- J. D. Potter
- J. D. Winner and Sons
- J. Davis and Co
- J. Day and Co (Derby Works)
- J. E. Holmes
- J. E. Spagnoletti and Crookes
- J. E. Willshire
- J. G. Stidder and Co
- J. H. Duncan
- J. H. Little (Traction and Engineering)
- J. Harding
- J. Heath (London)
- J. Heller
- J. Hollis and Co
- J. Hubbard and Co
- J. J. Johnston and Co
- J. J. Leonard and Co
- J. Keele and Co
- J. Khambata and Co
- J. L. C. Engineering Co
- J. M. Dartois and Co
- J. M. Smith and Co
- J. M. Wotherspoon and Co
- J. Marshall and Sons
- J. Newton and Sons
- J. Osman and Co
- J. P. Wright
- J. Phipps and Sons
- J. Redfern
- J. Rothschild et Fils
- J. S. and J. Meredith
- J. S. Fairfax and Co
- J. S. Henry
- J. S. Starnes and Sons
- J. Sainsbury
- J. Sanger and Sons
- J. Shorey and Co
- J. Taylor and Sons
- J. Todd and Co
- J. Truscott and Son
- J. W. and M. Jarvis
- J. W. Andrews and Co
- J. W. Gray and Son
- J. W. King
- J. Warner and Sons
- J. Whitwell and Co
- Jablochkoff Electric Light Co
- Jack Engineering Co
- Jack Lauterwasser
- E. Jackson and Co
- F. Jackson and Co
- Jackson and Graham
- Jackson Brothers (London)
- Jackson Brothers (Mantles)
- Jackson's Impervo
- F. W. Jackson
- Herbert Soames Jackson
- John Jackson (Contractor)
- Joseph Jackson (2)
- Sir John Jackson
- R. Reynold Jackson and Co
- Thomas S. Jackson and Sons
- Jacksons
- Jacob Summers and Sons (Furniture)
- Alexander Jacob and Co
- W. and R. Jacobs
- Jacobs and Barringer
- Jacobs Linens
- Jacobs Roller Skates
- Jacobs, Barringer and Garratt
- Henry Jacobs
- William Jacobson and Co
- Jacqmar
- Jacques Fournet
- Jacques Schall
- Jacquet-Maurel and Condac
- G. J. Jacquin
- Jaeger
- Jaeger (Pure Wool)
- Jaeger Brothers
- Jaffe, Rose and Co
- Jamaica Tourist Board
- Jamavana Cigars
- A. E. James and Co
- J. W. H. James
- James Adams and Son
- James and Browne
- James and Clayton
- James and Co
- James and Thomas Dale
- James B. Sadler and Co
- James Benjamin Manning
- James Benson
- James Bruton and Sons
- James Burrough (of Lambeth)
- James Burton and Sons
- James Burton, Sons and Waller
- James Chambers (of London)
- James Clark and Son
- James Connor
- James D. Carter
- James Dixon
- James Dixon (2)
- James F. Janes
- James Farquharson and Sons
- James Ferguson and Sons
- James Findon
- James Gibb and Co
- James Goulding and Son
- James Harbottle Spencer
- James Harrison (of Borough)
- James Haywood
- James Henckle and Co
- James Hill and Co
- James Hogg and Sons
- James Holman
- James Holman and Son
- James Hunt and Co
- James Joinery
- James Keiller and Sons
- James King
- James Kyan and Co
- James L. and F. Hancock
- James Lewis and Co
- James Livingston and Son
- James Lyle and Co
- James Marshall (of Whitechapel)
- James Mathers
- James McGowan
- James McLatchie
- James McMillan and Co
- James Miller and Partners
- James P. Fraser and Co
- James Powell and Sons (Whitefriars)
- James Price and Son
- James R. Ogden and Sons
- James Rae
- James Reid and Co
- James Richardson and Co (London)
- James Shears and Sons
- James Sieber Equipment Co
- James Sinclair and Son
- James Slater and Co
- James T. Shenstone
- James Taylor (of Chertsey)
- James Toleman
- James Unwin
- James W. Carr and Co
- James Walby
- James Walton
- James Ward (of London)
- James Watson (of Shoreditch)
- James Watts
- James Wilson (of Wandsworth)
- James Yeoman
- James, Roberts and Co
- W. G. James
- Jandow
- Jandus Arc Lamp and Electric Co
- Jane and Judy
- Jane Sherwood and Sons
- Janes and Son
- Jano Camera Co
- Japanol Enamel Co
- G. J. Jaquin
- Jarrott
- Charles Jarrott and Letts
- Jarrow and District Electric Traction
- Jarvis
- Jarvis (of Paddington)
- Jarvis of Wimbledon
- Jarvis, Halliday and Co
- Jasco
- Jason Motor and Electronic Co
- Javelin Electronics
- Jay's of Regent Street
- Henry Jay
- John Jay
- Victor Jay and Co
- C. Jeakes and Co
- William Jeakes (of London)
- Jeanne
- F. H. Jeans
- Jeary Electrical Co
- W. J. Jeffery and Co
- Jeffery Transformer Co
- Alfred Jeffery and Co
- A. G. Jeffreys
- Jehu Motor Co
- Jelks of Holloway
- Jell and Marlow
- Jencons (Scientific)
- W. H. Jenkins and Co
- Jenkins and Co
- Jenkins Brothers
- William Jenkinson and Co
- H. Jenks
- Jennens and Co
- John Jenner
- Jennings (London)
- George Jennings
- J. Jensen and Co
- G. K. Jensen and Co
- Jeremiah Smith and Co
- Jessop and Appleby Brothers
- Jet-Glaze
- Jewel Pen Co
- Jewell Pen Co
- Jeyes Sanitary Compounds Co
- Jigger
- Jigs
- Jilton Manufacturing Co
- JLC Engineering Co
- Jobson and Beckwith
- H. F. Joel and Co
- John A. Fransen
- John A. Smeeton
- John Ackland and Co
- John Allan and Sons (of London)
- John and Henry Cocks
- John and Robert Brown
- John and William Musto and Co
- John Anstie
- John Archbutt and Sons
- John Ayres and Sons
- John B. Bentley
- John B. Thorp
- John Batt and Co (London)
- John Bellamy
- John Besemeres and Co
- John Bolding and Son
- John Brodie
- John Brown (of London)
- John C. Gostling and Co
- John Cetta and Co
- John Chapman and Co (of London)
- John Charles and Co
- John Claes, Devis and Co
- John Colley
- John Cox and Son
- John Davis (Clerkenwell)
- John Day and Co
- John Daymond and Son
- John Dicks Press
- John Donovan
- John Dore and Co
- John Dowell and Sons
- John Edmonds and Co
- John Elbo
- John Emery
- John Esson
- John Esson and Co
- John F. C. Lee
- John F. Carr and Co (London)
- John Fell and Co
- John Felton
- John France
- John Frederick Brinjes
- John G. Hooghwinkel
- John G. Rollins and Co
- John G. Sherwin
- John George and Sons
- John Gill Contractors
- John Goode (of London)
- John Gosheron and Co
- John H. Chignall
- John H. Hackworth and Co
- John H. Ladd and Co
- John Hamilton and Co
- John Hassall (of London)
- John Hatchard
- John Hill (of Westminster)
- John Holman and Sons
- John Hosking (of London)
- John Howard and Co
- John Hudson and Co
- John Hunter, Wiltshire and Co
- John James and Co
- John Jefferis and Co
- John Jenkins Thomson
- John Joseph
- John Kealy
- John Key and Co
- John L. Kitching
- John Lee (of London)
- John Lobb
- John Macnamara and Co
- John Maddox
- John Mark and Co
- John Marshall (of London)
- John McLachlan and Co
- John Meerloo and Sons
- John Melhuish and Co
- John Merrin
- John Miles
- John Miles and Partners
- John Mills (of London)
- John Mills (of Whitechapel)
- John Moss (of London)
- John Newton and Co (Felt Manf)
- John Norton and Co
- John Oakley and Sons
- John P. White and Sons
- John Rolland and Co
- John S. Sedger
- John Sampson
- John Seager and Sons
- John Serjeant
- John Shelbourne and Co
- John Stewart and Son (of Poplar)
- John Sydney
- John T. Hart and Sons
- John T. Oakley
- John Taylor (Architect)
- John Taylor and Sons (1920)
- John Terry and Co
- John Thrift and Sons
- John Unite
- John W. Bainbridge
- John W. Sharpus
- John Wadell
- John Walker (of London)
- John Ward's Carriage Works
- John Watson (London)
- John Webb
- John Weeks and Co
- John Whitmee and Co
- John Wilde and Sons
- John Williamson Co
- John Wilson and Co (of London)
- J. D. Jones and Co
- G. E. Johns, Son and Watts
- Johns, Son and Watts
- Walter Johns
- Johnsen and Jorgensen
- Johnsen and Jorgensen Flint Glass
- R. Johnson and Co
- W. F. Johnson and Co
- Johnson A. Taylor and Co
- Johnson and Bloy
- Johnson and Son
- Johnson and Sons (of Hendon)
- Johnson and Sons Manufacturing Chemists
- Johnson Talking Machine Co (1919)
- Johnson's Reinforced Concrete Engineering Co
- Johnson's Tavern and Alamode Beef House
- A. Johnson and Co
- B. Johnson
- Carlo F. Johnson
- D. C. Johnson and Son
- James F. W. Johnson
- Johnson, Matthey and Co
- Johnson, Neal and Co
- S. H. Johnson and Co
- W. W. and R. Johnson and Sons
- William Johnson and Sons (London)
- Johnsteads Engineering Co
- G. Johnston (of London)
- Johnston Brothers
- Johnston Brothers (London)
- Johnston, Hewitson and Wilson
- Johnstone, Norman and Co
- Joiner Street Bridge
- Jolliffe, Banks and Co
- Jolly Anglers' Tavern
- Jonathan and Jeremiah Barrett
- Jonathan Downton
- Jonathan H. Porter
- Jonathan Hall
- Jonathan Sparks
- A. E. Jones
- C. Jones
- H. C. Jones and Sons
- R. Jones
- S. G. Jones
- W. H. Jones (London)
- Jones and Co
- Jones and Co (Cannon Iron Foundry)
- Jones and Co (London)
- Jones and Co (Waste Rubber)
- Jones Brothers
- Jones Brothers (Enamelled Slate)
- Jones Brothers (of Bayswater)
- A. V. N. Jones and Co
- Allan Jones and Co (of London)
- Jones, Dade and Co
- E. H. Jones (Machine Tools)
- E. H. Jones (of Islington)
- J. Jones and Sons
- John Jones (Chelsea)
- Jones, Loyd and Co
- Samuel Jones and Co
- Sidney G. Jones
- Jones, Sells and Co
- T. C. Jones and Co
- W. and S. Jones
- William Jones and Co
- William Jones Clifton and Co
- Jordan and Sons
- T. B. Jordan, Son and Commans
- T. B. Jordan, Son and Meihe
- William Leighton Jordan
- T. B. Jordan and Son
- Joseph and Pearce
- Joseph Bettridge
- Joseph Bickley
- Joseph C. Mount and Co
- Joseph Dowson
- Joseph Fletcher (of London)
- Joseph Francis Ebner
- Joseph Freeman and Co
- Joseph Hibbard and Sons
- Joseph Houzer
- Joseph J. Newton
- Joseph Lake
- Joseph May and Sons
- Joseph Needham
- Joseph Stannah
- Joseph Taylor and Sons
- Joseph Thompson
- Joseph White and Co
- J. Joseph
- Joshua Horton, Junior
- Jou Jou Co
- Joy and King
- David Joy and Co
- Joyce (California)
- Joyce and Co
- C. H. Joyce
- F. Joyce and Co
- F. Joyce's Anti-Corrosive Percussion Powder
- W. Joyce and Co
- E. Jozot
- Jubilee Line
- Juckes and Swinburne
- Judd Budd
- T. and W. Judge
- Charles Tiot Judkins
- Daniel Judson and Son
- Judson-Jackson Co
- Jukes Coulson, Stokes and Co
- Julian and Trower
- Julius Harvey and Co
- Julius Homan and Co
- Jungle Toys (Miss E. M. Daniels)
- Junit Manufacturing Co
- Juno Cycle Co
- Jurys Imperial Pictures
- Justerini and Brooks
- Justin Brothers
K
- K. A. Products
- K. and A. Water-Gas Co
- K. C. Bodies
- K. L. Kalis Sons and Co
- K. S. B. Manufacturing Co
- K. T. B. Manufacturing Co
- A. Kahn
- L. Kahn Manufacturing Co
- Kahvee
- Kaiser Frazer Showrooms
- G. B. Kalee
- Kalzana
- Kamm and Co
- Kanadio
- Kanson and Co
- Kapok
- Kardex
- Kardonia
- Karn-Morris Piano and Organ Co
- Kartret Engineering Co
- Karvally Car Products
- Kasenit
- Kastner and Co
- Kater and Ankersmit
- Katz Brothers
- S. Katz and Co
- H. Kaufmann
- Simon Kaufmann
- Kay (Sports and Games)
- A. C. Kay
- Kayes Rotaprint Agency
- "Kaylon" Aluminium Solder Co
- N. Kayman
- Kaymet Co
- Kearley and Tonge
- Thomas Keating
- Keeble
- J. Keele
- Keeler Optical Products
- Keen and Sons
- Keen and Welsh
- Keen Robinson and Co
- Keene's Automobile Works
- Peter Keevil and Sons
- E. Keil and Co
- Keim
- Keith and Boyle
- Keith and Co
- Keith and Henderson
- James Keith and Blackman Co
- Keith, Prowse and Co
- Keliher, Hudson and Kearns
- J. J. Keliher and Co
- Kelk, Waring Brothers and Lucas
- T. Kell and Son
- C. W. Kellock and Co
- Kellogg Manufacturing Co
- Kelly and Co
- Kelly and Co (Cramb Brothers)
- Kelsey Industries
- Kelso Murchison
- Kelvin and Hughes
- Kelvin and Hughes (Marine)
- Kelvin Motor Carriage Builders
- Kemball, Bishop and Co
- Kemble and Co
- John Kemble
- George Kemp (of London)
- C. E. Kempe and Co
- S. Kempner
- Kempshall Tyre Co
- Kemsley and Robinson
- Kemworthy Jig and Press Tool Co
- Kendal and Dent
- Ernest C. Kendal
- Kendall and Son
- Kennard
- Kennard (Knap)
- Kennard Brothers
- Kennedy and Jenkin
- Julian Kennedy, Sahlin and Co
- Kenneth Durward
- Kenney Limb Co
- Kennicott Water Softener Co
- Kennings
- Kennington Engineering Works
- Kennington Oval Railway Station
- G. Kennion and Co
- Kenny Limb Co
- Kensal Green Cemetery
- Kensal Green Gasworks
- Kensington and Richmond Railway Bridge
- Kensington and Chelsea Cemetery
- Kensington and Knightsbridge Electric Lighting Co
- Kensington and Knightsbridge Electric Supply Co
- Kensington Canal
- Kensington Court Generating Station
- Kensington Electric Lighting Station
- Kensington Model Dockyard
- Kensington Motor Co
- Kensington Palace Hotel
- W. Kent
- Kent and Cleal
- Kent and Matthews
- Kent Electric Power Co
- Kent's Knife Cleaner
- Alfred Kent and Son
- G. B. Kent and Sons
- George Kent
- Kentish Town Railway Accident
- Kentish Town Railway Station
- Kenverne
- Kenwood Electrics
- Kenya Coffee Co
- Kepkold
- Ker, Bolton and Co
- Kerka P. W.
- Kern and Co
- Kerr and Lanham
- Kerr Steamship Line
- Kerry
- Kerry's (Great Britain)
- Kerry-Wickham Cranes
- A. Kershaw and Son
- Kershaw-Soho
- Kestner Evaporator and Engineering Co
- Kew Bridge
- Kew Observatory
- Key Engineering Co
- Key Shipping Co
- Key-Leather Co
- Keystone Paint and Varnish Co
- Keyswitch Co
- John Kidd and Co
- Walter Kidde Co
- A. G. Kidston and Co
- J. L. Kier and Co
- Kiessling's Machine Co
- Kigu
- Kilbourne and Jacobs Manufacturing Co
- Mr. Kilburn
- Kilburn and Strode
- Kilgour, French and Stanbury
- Kimberley Diamonds
- Kinahan's 'LL' Whisky
- Kincaid, Waller and Manville
- Arthur Kinder
- Kindon, Powell and Co
- F. King and Co (2)
- T. King and Co
- King and Michell
- King and Queen Ironworks
- King and Talbot
- King Brothers
- King Craig and Co
- King Edward VII Nautical College
- King Line
- King's College Engineering Society
- King's Cross Railway Station
- A. King and Co
- C. B. King
- Charles J. King
- Robert A. King and Co
- Robert King
- Walter King
- Kings Patent Agency
- Kingshill Electronic Products
- Kingsland Engineering Co
- Kingsland Steam Joinery Works
- Kingsley Hotel, London
- Kingsway Trading Co
- Kingswood Supplies
- Kinipple and Jaffrey
- Kinipple and Morris
- D. A. Kinloch
- Kinloch Motor Car Policy
- Charles P. Kinnell and Co
- Kinsey, Merritt
- Kipp and Zonen
- Kirby Brothers
- Kirchner and Co
- Kirk and Co (London)
- Kirk Brothers
- Wheatley Kirk, Price and Co
- Kirkaldy Testing Museum
- David Kirkaldy and Son
- John Kirkaldy
- John Kirkaldy and Son
- Kirkham, Hulett and Chandler
- John Kirkaldy and Sons
- Kirkland and Capper
- Joseph Kirkman and Son
- Kirkwood Craig and Co
- Kitchener Co
- C. Kite and Co
- Kitson Insulations
- Kitson Light Foreign Supply Co
- Kitson Lighting Co of Great Britain
- Kitto Automobile Co
- Kittoe and Brotherhood
- Kiwi Polish Co
- KL Automotive Products
- C. J. Klaftenberger
- A. A. Klaftenberger
- O. and M. Kleeman
- Kleen-Food Cover Co
- KleenAir Systems International
- Kleine Co
- J. Kleiner and Sons
- Kleinerts
- Kleinwort Benson
- KLG Sparking Plugs
- Klinger Co
- Richard Klinger and Co
- KLM
- Knapp and Bates
- Knapp Co
- Joseph Knibb
- G. W. Knight
- Alfred Knight
- Knight Piano Co
- Charles Knight and Co
- H. T. Knight
- Lewis Knight
- H. Newton Knights and Co
- Knitmaster
- Henry Knock
- M. Knoedler and Co
- Joseph H. Knott
- William Knottesford
- Knowelden and Co
- Charles Knowles and Co
- John Knowles and Co
- E. Cecil Kny
- Koch and Co
- Kohler Brothers
- J. Kohnstam
- R. and A. Kohnstamm
- Komfort Keys
- Komilfo
- Komposill Universal
- Kon-Tayn-Al
- J. C. Konig and Ebhardt
- Otto Konig and Co
- Konquest Products
- Konski
- Ernest C. Koop
- Koppel Industrial Car and Equipment Co
- Arthur Koppel
- Koray
- Korect Depth Gauge Co
- Kork 'N Seal
- Kork-N-Seal
- I. Kornblum
- Korting Brothers
- Kosine
- Krieger Electric Carriage Syndicate
- Krinklee Sanitary Paper
- W. J. Krogsdal and Co
- Kroll and Co
- S. Kronenberg
- Krupkar
- Kttel and Co
- F. W. Kubach
- Hermann Kuhne
- Kuper and Co
- Kutchinsky
- Shand Kydd
L
- L. A. and E. Beardson
- L. Allen and Co
- L. and A. Froomberg
- L. and G. Fire Appliance Co
- L. Apple
- L. B. McDonald
- L. De Fontaine Moreau and Co
- L. E. B. Engineering Co
- L. Hugh Bristow and Co
- L. Le Personne and Co
- L. N. Palmer and Co
- L. R. Morshead and Co
- L.M.B. Motor Products
- La Rapide
- La Reine Hair Waver and Curler Co (1936)
- La Soie
- Laboratory Equipment Co
- Laboratory of the Government Chemist
- Lacey and Sillar
- Lacey, Sillar and Leigh
- T. and G. Lack
- J. Lacoste and Co
- Lacoste and Co
- Lactocol
- Lacy and Co
- A. W. Lacy
- Ladbroke Motor Stores
- Ladd and Streatfield
- The Lady's Companion
- Lafarge Aluminous Cement Co
- Lafco Compounds
- Lahmann Agency
- Lahmeyer Electrical Co
- R. Laidlaw and Son
- Laing Wharton
- John Laing and Son
- Laing, Wharton and Down
- Laing, Wharton and Down Construction Syndicate
- J. L. Lake
- A. Lalli
- W. T. Lamb and Sons
- Lamb and Co
- Lamb Brothers and Garnett
- Lamberg and Co
- Thomas Lambert and Sons
- Lambert and Richards
- Lambert and West
- Lambert Brothers
- W. Lambert and Co
- Lambert-Herbert Light Car Co
- Lambeth Bridge
- Lamina Accumulator Syndicate
- W. C. Laming and Co
- Lammin Tours
- Lamp Manufacturing and Railway Supplies
- Lamp Manufacturing Co
- Lamp Pump Syndicate
- Lamplough and Son
- Lamson Paragon Supply Co
- Lamson Pneumatic Tube Co
- Lamson Store Service Co
- Lanarkshire Tramways Co
- Lancashire Insurance Co
- Lancaster and Co (of Bow)
- Lancaster Electrical Co
- Lancaster Motor Garage
- Charles Lancaster and Co
- Lancefield Coachworks
- Lander and Larsson
- Landers, Frary and Clark
- Landis and Gyr
- Lands Improvement Co
- Lane and Co
- Lane and Reynolds
- Lane Motor Panel
- Lane's British Aeroplanes
- J. J. Lane
- Lang (Distributors)
- Lang and Squire
- Lang Propellers
- Lang-London
- Langdon-Davies Motor Co
- Christian Lange
- Langham Hotel, London
- Langham Radio
- Langley London
- Langley-Smith and Co
- Langstaffe, Banks and Peckover
- Lankaster and Co
- Alexander Lansard Co
- Lansing Equipment Co
- Larchmont Motors
- Lard Information Bureau
- Lard Packers
- E. C. Large
- Larkin Brothers
- Larkin Brothers (London Commercial Photographers)
- W. H. Lascelles
- R. Lascelles and Co
- Laser Engineering (Development)
- Lasky's
- Lassen and Hjort
- Latex Upholstery
- Latham and Co
- Latymer Engineering Co
- Launceston
- Laurence and Co
- Laurie and Marner
- Laurie, Bedford and Rand
- A. H. Lavers
- Lavodent Co
- Law Accident and Contingency Insurance Society
- Law Accident Insurance Society
- Law and Chatterton
- Law Guarantee and Trust Society
- Law Life Assurance Society
- Law Reversionary Interest Society
- Law Society
- Lawes Chemical Manure Co
- Lawford and Sons
- Lawler, Ayers and Co
- Lawley Group
- Lawrence and Co
- Lawrence and Porter
- Lawrence Brothers
- Lawrence Patent Water Softener and Steriliser Co
- Lawrence Seder and Co
- James Lawrence
- Walter Lawrence and Son
- Alexander Lawrie and Co
- James Lawrie and Co
- Lawson and Mansergh
- Lawson Manufacturing Co
- Lawson Pigott Motors
- Lawther, Latta and Co
- Laxton's Building Price Book
- Dr Laylor's Phosphodyne Laboratory
- Laystall Engineering Co
- C. and E. Layton
- Charles and Edwin Layton
- Lazard Brothers and Co
- Harold A. Lazarus
- E. Lazenby and Son
- Le Brasseur and Oakley
- Le Carbone
- Le Derailleur Simplex
- Le Paris Tyre Co
- Lea Bridge Rubber Works
- Lea Foundry Co
- Lea Shipbuildng and Repairing Co
- Leabank Manufacturing Co
- Leabank Office Equipment
- S. Leach and Co
- F. W. Leach and Sons
- Lead and Alloys
- Lead Development Association
- Lead Industries Development Council
- Leadbeater
- John Leadbeater
- Leadbitter
- Leadenhall Press
- H. J. Leak and Co
- Leander and Co
- C. Leary and Co
- Leathart, Orfila and Co
- Leather Land
- Lectro Linx
- Leda Chemicals
- Ledloy
- T. Ledward and Co
- H. Lee
- H. M. Lee and Son
- R. A. Lee and Co
- J. Lee and Sons
- I. Leech
- Leecoll Electric Battery Co
- Leeds and London Electrical Engineering Co
- W. Leet and Son
- A. Leete and Co
- Leete's Paint
- Leete, Edwards and Norman
- Leethems
- Leevers-Rich Equipment
- Legal and Commercial Life Assurance Co
- Legal and General Life Assurance Co
- A. Lege and Co
- J. Leger and Son
- Robert Legg
- Leggatt Brothers
- Arthur Legge and Co
- E. Lehman and Co
- Lehmann, Archer and Co
- R. Lehmann and Co
- Leighton Motor Co
- Margery Leighton
- Leighton-Straker Bookbinding Co
- Leilah
- E. Leitz (London)
- Lemco
- Lemon and Blizard
- Lendrum and Hartman
- John Leng and Co
- Lennox and Co
- Lennox Foundry Co
- Lennox, Benton and Reynolds
- Charles Lenny and Co
- Lentz Patents
- Leonard
- John J. Leonard
- Leonard Dutton and Sons
- Leonard Hamilton
- Leonard Pindar and Son
- S. Leoni and Co
- Leoni and Co
- S. Leoni
- Leopold and Co
- Leopold Lazarus
- Leopold Ward
- LEP Transport and Depostory
- Lepard and Smiths
- F. Leroy and Co
- L. Leroy and Co
- Leslie and Co
- Leslie Dixon and Co
- Leslie E. Clift and Co
- Leslie Marks and Co
- Leslie Syndicate
- Leslie Woodcocks and Co
- Lesney Products and Co
- Lesselbaum and Harris
- Noah Lessof
- Lester and Perkins
- Lester Engineering Co
- W. Lethaby and Co
- Lethbridge and Dark
- LETO Photo Materials Co
- Letts' Diaries Co
- Charles Letts and Co
- Letts, Son and Co
- Aug. Levan and Sons
- E. Levasseur
- Eric J. Lever (Trix)
- Leverett Kearton Co
- Leveson and Sons
- Levine and Son
- Levison and Steiner
- Levy Brothers and Knowles
- F. Levy and Co
- Mark Levy and Co
- Lewenz and Wilkinson
- John Lewer
- D. Lewis
- Lewis Radio Co
- A. and J. Lewis
- B. Lewis and Co
- John Lewis and Co
- R. G. Lewis
- Robert Lewis
- T. C. Lewis
- T. H. Lewis
- Lex Garages
- Leyland Tatnell and Co
- Leyton Electricity Works
- Leyton Tyre and Rubber Co
- Libby McNeill and Libby
- Liberty and Co
- Libraco
- Library Bureau
- Library Supply Co
- A. W. Liddiatt and Co
- Liden Products
- Liernur's English Syndicate
- Life Association of Scotland
- Life Society
- Lifeguard (Garage Products)
- Light Car Co
- Light Railway and Equipment Co
- Light Railways
- Light Steelwork
- Edward Light and Co
- James Light and Son
- Lighting Trades
- Lignomur Co
- Lilla
- Lilley and Reynolds
- Lillywhite, Frowds (Haymarket)
- Lillywhites
- Lime-Free Water and General Services
- Limehouse Dock
- Limestone Federation
- Limit Engineering Group
- Limmer and Trinidad Lake Asphalt Co
- Limmer Asphalte Paving Co
- Linaglow
- Lincoln Brothers
- Lincoln, Bennett and Co
- Peter Lind and Co
- Linde British Refrigeration Co
- Lindsay
- Lindsay Pembroke and Co
- Lindsay, Neal and Co
- Lindsays Paddington Ironworks
- Lindustries
- F. Line and Co
- John Line and Sons
- Liner Concrete Machinery Co
- Lines Brothers
- Lings and Keith
- Link Appliances
- Linkman Systems
- A. Linley
- Linley and Co
- Linoleum Manufacturing Co
- Linolite
- H. H. Linton and Co
- Linton and Hirst
- Linton Hope and Co
- Lion Engine Co
- Lion Insurance Offices
- Lion Polish Co
- Lion Stamping Co
- Lionel Robinson and Co
- Lionel Stebbing
- Lips
- Lipscombe and Co
- Liptak Furnace Arches
- L. Lipton's Rubber Works
- Lipvac Flasks (London)
- Liquid Air
- Lissen
- Lisson Aircraft and Precision Engineering Co
- Listen and Learn Library
- Lister and Co (London)
- Lithanode Co
- Lithanode Electric Storage Co
- Litho Developments
- Litholite Insulators
- Little and Stevenson
- Sidney Littlejohn and Co
- Littlewood Coachbuilders
- Litton Business Systems
- Littons Machine Tool Co
- Liverpool Street Railway Station
- J. Liversidge and Son
- Livesey and Henderson
- Livingston Laboratories
- Alexander Speid Livingstone
- Llandudno and District Electric Tramway Construction Co
- R. S. Lloyd
- T. Lloyd and Sons
- Lloyd and Davis
- Lloyd and Horton
- Lloyd and Plaister
- Lloyd Boards
- Lloyd's Cycle Stores
- Lloyd's Paper Mills
- Lloyd's Register of Shipping
- A. Lloyd and Sons
- Edward Lloyd
- Edward Lloyd Wallboards
- Lloyd, Foskett and Co
- G. Lloyd
- John Lloyd (of London)
- Lloyd, Lawrence and Co
- Manuel Lloyd and Co
- Richard Lloyd and Sons
- Lloyd-Hamol
- Lloyds' Gold Medal Mixture
- Local Government Guarantee Society
- James Lock and Co
- Locke Steel Chain Co (1905)
- Cliffe E. Locke
- Locke, Lancaster and Co
- Locke, Lancaster and W. W. and R. Johnson and Sons
- Locket and Judkins
- J. Lockwood and Co
- Lockwood and Stewardson
- Locomobile Company of Great Britain
- Locomotive Publishing Co
- Locomotors
- Loders and Nucoline
- Loeb Chemical Electric Light Co
- Loewe and Co
- Loewenstein and Hecht
- Logica Space and Defence Systems
- C. Lohmann
- Lombank
- Lombard Banking
- Lombard Marcroft
- Lombard North Central
- Londex
- London Assurance
- London Brick Company and Forders
- London Society Magazine
- The London Enamel and De Lavenant Patent Iron Preserving Co
- The London Magazine
- London Adventure Corporation
- London and Birmingham Steam Carriage Co
- London and Blackwall Railway
- London and Brazilian Bank
- London and Brighton Steam Carriage Co
- London and Coastal Wharves
- London and Counties Coke Association
- London and County Banking Co
- London and District Motor Bus Co
- London and Dover Railway
- London and Eastern Banking Corporation
- London and Greenwich Railway
- London and India Docks Co
- London and Lancashire Insurance Co
- London and Lancashire Fire and Life Insurance Co
- London and Lancashire Fire Insurance Co
- London and Lancashire Life and General Assurance Association
- London and Lancashire Life Assurance Co
- London and Liverpool and General Mercantile Agency Office
- London and Manchester Assurance Co
- London and Manchester Plate Glass Co
- London and Midland Motors
- London and Midland Steel Scaffolding Co
- London and Northern Steamship Co
- London and Paddington Steam Carriage Co
- London and Parisian Motor Co
- London and Provincial Bank
- London and Provincial Corporation
- London and Provincial Factors
- London and Provincial Law Assurance Society
- London and Provincial Motor Bus and Traction Co
- London and Provincial Rubber Co
- London and Provincial Sanitary Co
- London and River Plate Bank
- London and San Francisco Bank
- London and Scandinavian Metallurgical Co
- London and Scottish Assurance Co
- London and South Western Bank
- London and St. Katharine Docks Co
- London and Staffordshire Decorated Tile Co
- London and Suburban Commercial Vehicles
- London and Suburban Traction Co
- London and Thames Haven Oil Wharves
- London and Westminster Bank
- London and Westminster Meter Co
- London and Westminster Steamboat Co
- London and Yorkshire Bank
- London Armoury Co
- London Association for the Blind
- London Association of Foremen Engineers
- London Association of Nurses
- London Assurance Corporation
- London Auto Co
- London Auto-Electric
- London Autocar Co
- London Bank of Australia
- London Bank of Mexico and South America
- London Banking Agency
- London Battery and Cable Co
- London Battery Co
- London Boiler Scaling Co
- London Brick Co
- London Bridge
- London Bridge Railway Station
- London Bridge Waterworks
- London Buses Limited
- London Camera Exchange Co
- London Carbonising Co
- London Central Radio Stores
- London Central Motor Omnibus Co
- London Central Omnibus Co
- London Chamber of Commerce
- London Chartered Bank of Australia
- London Cine Camera Co
- London City and Midland Bank
- London Coal Exchange
- London Coathanger Co
- London Coke Committee
- London Containers and Noakes
- London County and Westminster Bank
- London County Council
- London County Council Fire Brigade
- London County Council Tramways
- London County Hall
- London Cycle Supply Association
- London Dance Institute
- London Deep Level Shelters
- London Die Casting Foundry
- London Dock Co
- London Docks
- London Door Co
- London Drawing and Tracing Office
- London Electric Construction Co
- London Electric Omnibus Co
- London Electric Railway Co
- London Electric Supply Corporation
- London Electric Wire Co
- London Electrical
- London Electrical Cab Co
- London Electrical Co
- London Electro-Mobile Syndicate
- London Electrobus Co
- London Electromobile Syndicate
- London Emery Works Co
- London Engine Co
- London Engineering and Iron Ship Building Co
- London Engineering and Ship Building Co
- London Engineering Co
- London Engineering Society
- London Evening Standard
- London Exhibitions Co
- London Fancy Box Co
- London Ferro-Concrete Co
- London Fire Brigade
- London Fire Engine Establishment
- London Fumigation Co
- London Galvanised Iron Co
- London Gas Co
- London Gas Engine Co
- London Gasworks
- London General Agency Office
- London General Automobile Co
- London General Engineers
- London General Motor Car Co
- London General Omnibus Co
- London Glove Co
- London Graving Dock Co
- London Guarantee and Accident Co
- London Gunpowder Co
- London Hilton
- London Hydraulic Power Co
- London Improved Cab Co
- London Improved Motor Coachbuilders
- London Institution
- London International Group
- London Iron Building Co
- London Joint City and Midland Bank
- London Joint Stock Bank
- London Label Co
- London Lathe and Tool Co
- London Life Association
- London Lorries
- London Machinists Co
- London Magical Co
- London Manure Co
- London Metal Exchange
- London Metal Warehouses
- London Metallic Capsule Co
- London Metallurgical Co
- London Motor Cab Co
- London Motor Car Works Co
- London Motor Coach Works
- London Motor Construction Co
- London Motor Garage Co
- London Motor Omnibus Co
- London Motor Van and Wagon Co
- London Moulders
- London Mutual Boiler Insurance Co
- London New Stock and Share Exchange
- London Oil Storage Co
- London Omnibus Carriage Co
- London Palladium
- London Paper Mills Co
- London Passenger Transport Board
- London Patent Felt Co
- London Pipeless Heating Co
- London Piston Ring Co
- London Plate-Glass Insurance Co
- London Plywood and Timber Co
- London Power Co
- London Power Omnibus Co
- London Pressed Hinge Co
- London Radio Supply Co
- London Regional Transport
- London Reversionary Interest Society
- London Riverside Fish Market
- London Road Car Co
- London Rubber Co (of Hackney)
- London Sanitary Co
- London Scaling Co
- London School of Air Navigation
- London Sewing Machine Co
- London Shafting and Pulley Co
- London Ship and Engine Co
- London Standard Motor Omnibus Co
- London Steam Omnibus Co
- London Steam Ropery Co
- London Steamboat Co
- London Stereoscope Co
- London Stereoscopic Co
- London Stonecraft
- London Street Tramways Co
- London Tara Hotel
- London Telegraph Co
- London Telegraph Training College
- London Telephone Co
- London Tin Smelting Co
- London Tinners
- London Traction Haulage Co
- London Tramways Co
- London Transport
- London Transport Board
- London Transport Executive
- London Trimming Co
- London Tyre Co
- London Underground
- London United Laundries
- London United Tramways Co
- London Varnish and Enamel Co
- London Velocipede Manufacturing Co
- London Vulcan Iron Co
- London Warming and Ventilating Co
- London Warming Co
- London Water Board
- London Water Meter Co
- London Waterworks
- London Welding Co
- London Zinc Co
- London's Magnificent Seven Cemeteries
- London, Deptford and Greenwich Tramway
- London, Edinburgh and Dublin Life Assurance Co
- London, Liverpool and Ocean Shipping Co
- London, Newcastle and South Shields General Shipping Co
- London, Paris and American Bank
- London, Tilbury and Southend Railway
- London-Union Motor Car Co
- Long Acre Motor Car Co
- Henry Long
- John Long
- Longden and Co
- Longhedge Bridge
- Longhedge Works
- Longlamps
- Longman and Co
- Longmans, Green and Co
- Longstaff and Pullan
- Longstaff Brothers
- Lontin Electric Light Co
- Lorain Steel Co
- Loranco
- Lorant and Co
- Lord Roberts Memorial Workshops
- Lorimer-Marshall
- Loring's Process
- Lorival Manufacturing Co
- Lorry Components
- Lorson and Co
- H. Lotery and Co
- Lotinga Brothers
- Lots Road Power Station
- Lotus and Frog
- Lotus Engineering Co
- Lotus House, London
- Lotz, Abbott and Co
- John Lough and Co
- Louis Holzman
- Louis Maffre and Co
- Louis Newmark
- Louis Wolff and Co
- Charles Love
- J. W. Lovegrove and Co
- Lovegroves
- William Lovelace
- Lovell and Christmas
- Lovell and Co
- H. S. Lovell and Co
- J. F. Lovelock
- S. Loveridge and Sons
- Lovick Johnson Co
- Low Accessories and Ignition Co
- Low Engineering Co
- Low Temperature Carbonisation
- Robert Low, Son and Benbow
- Lowe, Vere, Williams and Jennings
- R. Lowen
- Lowne Electric Clock Co
- R. Lowther and Co
- Loyd-Lord
- Lubecker Machine and Manufacturing Co
- Lubex Filters
- Lubricative Packing Co
- Lubricators
- Lucar
- F. W. Lucas
- J. E. Lucas and Son
- Lucas and Aird
- Lucas and Davies
- Lucas Engineering and Carriage Works
- John Edward Lucas
- Joseph Lucas (Electrical)
- Lucey Manufacturing Corporation
- Ludbrook and Co
- F. Ludewig and Co
- Ludfry
- Ludwig Loewe and Co
- Lugton
- Luhrig Coal and Ore Dressing Appliances
- Lumenition
- Mrs Mary Lumley
- Lumley and Watson
- J. A. Lumley and Dowell
- L. Lumley and Co
- Lummus Co
- Lumos and Co
- Lund and Blockley
- Lund Brothers
- A. P. Lundberg and Sons
- Lunken Co
- Lunken Valve Co
- A. Luson and Sons
- Lustraphone
- Lux Candle Co
- Luxaflex
- Luxfer
- Luxol Safety Light Co
- Luxor Gas Mantles
- Luxram Electric
- Lyall Willis and Co
- Lycesi
- Francis A. Lycett and Co
- Lyddon and Co
- J. C. Lyell and Co
- Lyle Business Systems
- Lyle Co
- Abram Lyle and Sons
- Arthur Lyon and Co
- Arthur Lyon and Wrench
- John Lyon and Co
- G. Lyons and Co
- I. N. Lyons
- Lyons Radio
- Claude Lyons (Cameras)
- Claude Lyons (London)
- J. Lyons and Co
- Lyric Cycle Works
- Lyxavon Co
M
- M. A. G. Cyclecar
- M. A. Morris
- M. and G. Truck and Engineering Co
- M. C. Manufacturing Co
- M. C. Ritchie
- M. Calderon
- M. E. G.
- M. Freeman and Co
- M. H. (Methane Hydrogen) Gas Plant
- M. H. Davies
- M. H. Greenman
- M. Hillock and Co
- M. Hunter (MME)
- M. K. Electric
- M. L. G. Motorcycles
- M. Margolis
- M. P. A. Wireless
- M. P. Electric Welding Machine Co
- M. Powis Bale and Co
- M. R. Supplies
- M. S. E. Precision Manufacturers
- M. S. Smoke Elimination Co
- M. Semet and Co
- M. W. Hedges and Co
- M. Wisepart
- C. H. and J. Mabey
- Mabie, Todd and Co
- Mable, Todd and Bard
- Mabon and Co
- Robert MacAndrew
- MacAndrews and Forbes
- A. R. Macbeth
- Macbeth-Evans Glass Co
- MacConnal Mason
- K. Macdonald Smith
- Macdonald, Gibbs and Co
- Macdougall's
- Macfarlane and Robertson
- Macgregor and McCallum
- Machin and Koenig
- Machine Shop Equipment
- Machine Tunnelling Co
- Machinery (Continental)
- Machinery Accessories Co
- Machinery and Hardware Co
- Machinery Installations
- Machinery Trust
- Machinka
- Macintyre Brothers and Co
- A. J. Mackay
- James Mackensie
- Somerset Mackenzie
- Mackenzie and Co (of Kennington)
- Mackenzie Carriage Works
- Mackey's Electric Lamp Co
- W. Mackie and Co
- J. W. Mackintosh and Co
- Mackness and Shipley
- Maclamp Co
- Maclean's Featherweights
- John MacLennan and Co
- MacMichael
- Macmillan and Co
- Macnab and Co
- Macnaught, Robertson and Co
- Maco Template and Engineering Co
- Maconochie Brothers
- R. H. Macord
- Macpherson's Whisky
- Macrau
- Macready's Metal Co
- Macrouse Trading Co
- Madam Farey
- Madame Tajana
- Madame Tussaud's
- Madame Yorke
- Maddox Street Motor Co
- Magalow Trading Co
- Magdynamo
- Magic Foot Draft Co
- Magic Products Corporation
- Magicook Appliances
- A. P. Maglen
- Magnesium Co
- Magnet Works
- Magnetic Car Co
- Magnetic Coatings
- Magnetic Filter Co
- Magnetic Valve Co
- Magneto and Dynamo Repairing Co
- Magneto Motor Manufacturers
- Magnetos
- Magnolia Anti-Friction Metal Company of Great Britain
- Magnolia Metal Co
- Magnum Cabinet Co
- Magnus
- Magor Car Co
- Magstarlite
- Mahon and Holbrook
- S. Maier
- Maignens Filtre Rapide and Anti-Calcaire Co
- Mail Order Supply Co
- Mail Productions
- E. and J. Main and Co
- Mains Radio Development Co
- Mainthread Co
- Maison Georges
- Maison Lyons
- Maison Ross
- Maison Talbot
- Major Distributors
- Malcolm Campbell (London)
- Malcolm McAvity
- Malden Electronics
- Malins and Rawlinson
- Albert E. Mallandain
- Mallet, Porter and Dowd
- William Mallinson and Sons
- Mallock-Armstrong Ear Defender Co
- Mallory Metallurgical Products
- Management Selection
- Mandaw Co
- G. Mander
- Manganese Bronze and Brass Co
- J. Manger and Son
- Mann and Overtons
- Mann, Crossman and Paulin
- Ludovic Mann and Co
- Mannesmann Tube Co
- Benjamin Manning
- William Ernest Manning
- Manor Iron Works
- Mansell and Adams
- A. Vivian Mansell and Co
- Mansfield and District Tramways
- Anthony Jacques Mantle
- A. and F. Manuelle
- Manufacturers Accessories Co
- Manufacturing Accessories Co
- Manuwares
- Maple and Co
- Mappin Brothers
- Maranello Concessionaires
- Marathon
- Marathon Fine Steels
- Marb-L-Cote Manufacturing Great Britain
- Gaston E. Marbaix
- Marble Arch Motor Supplies
- Marble Arch Supplies
- Marble Arch, London
- Marbourn
- W. March
- Marchant Brothers
- Marchant Manufacturing Co
- John Marchant and Co
- W. V. Marchant
- Marco
- Marco Refrigerators
- Marconi International Marine Co
- Marconi International Marine Communication Co
- Marconi plc
- Marconi Scientific Instrument Co
- Marconi Sounding Device Co
- W. and O. Marcus
- Margaret Marks
- Margetts and Co
- Margewood Lock Co
- J. and A. Margolin
- Maria Hornes
- Maricon
- Marine and General Mutual Life
- Marine and General Mutual Life Assurance Co
- Marine and Industrial Lubricants
- Marine and Overseas Services (1939)
- Marine Circulators
- Marine Electrical Equipment Co
- Marine Insurance Co
- Marine Nautical Supplies
- Marion and Co
- Mark Berry
- Mark Cross
- Mark Deed and Sons
- Markham and Prance
- Markham Traction
- J. A. Markillie
- Markmaster
- I. Markovits
- Marks and Clerk
- Alexander Marks and Son
- A. L. R. Marks
- Henry Marks and Sons
- Paul Marks and Co
- Markt and Co
- Marlborough Galleries
- Marles Steering Co
- W. H. Marley and Co
- Marple and Co
- Marples, Leach and Co
- Charles Edward Marr
- W. Marr
- Marr, Gallie and Co
- William Marr
- Marratt and Short
- Marriott and Atkinson
- Marriott and Cooper
- Marron Machines
- Marryat and Place
- Marryat and Scott
- Mars Co
- Mars Oil Co
- J. Marse and Co
- Marsh Glue
- William Marsh (of Seven Dials)
- B. S. Marshall
- C. and C. Marshall
- Marshall Brothers (London)
- Marshall and Co (Hammersmith)
- Marshall and Co (London)
- Marshall and Hatch
- Marshall and Rose
- Marshall and Snelgrove
- Marshall and Woods
- Marshall Patent Mattress Co
- Marshall Roberts
- Marshall Sanitary Mattress Co
- Marshall Ward
- Alfred Marshall and Co
- J. Herbert Marshall
- Sir Herbert Marshall and Sons
- Percival Marshall and Co
- Marshall, Stewart and Co
- Marshalls (Marshall Manufacturing Co)
- Marsham Tyre Co
- Marston Hill Brick and Tile Co
- Marston Motor Co
- Marten and Carnaby
- W. A. Martin and Co
- Martin and Martin
- Martin and Savage
- Martin and Son
- Martin Pneumatic Tyre Co
- Martin Tyres
- Martin's Motors
- C. and A. B. Martin
- Edward Martin (of London)
- Robert Martin and Son
- Martindale Electric Co
- Martineau and Bland
- Martineaus
- Martini (London)
- Martins Bank
- S. W. Martyn and Co
- W. Martyn and Co
- Marvel Bicycle Syndicate
- Marvello Manufacturing Co
- Marylebone Railway Station
- Mascot Motors
- Mascotte
- R. Masefield and Co
- Maskell for Morgans
- Masks and Mouldings
- A. Mason and Co
- A. Mason and Co (Wood)
- R. F. Mason
- Mason and Barry
- Mason Pearson
- A. Mason and Son
- Frank Mason and Co
- George Mason and Co
- Mason, Scott and Co
- Masonic and General Life Assurance Co
- Masonite
- Mass Cars
- Massan Seelby
- C. B. Massey
- Masson Scott Thrissel Engineering
- Masson, Seeley and Co
- Masteradio
- J. Masters
- Masters and Andren
- Matchless
- Matchless: Bicycles
- Mather and Crowther
- Matheson and Grant
- Charles Mathews (Lapidaries)
- Matson Lines
- Abraham Matterface
- G. Matterface
- Matthew Keenan
- Matthew W. Johnson
- Matthew Watson, Pearse and Bower
- Matthew Wylie and Co
- H. Matthews
- T. Matthews
- Maude's Motor Mart
- Maudslay, Sons and Field
- Maurice Meyer
- Maw of London
- Maw, Dredge, and Hollingsworth
- Mawson and Swan
- Max
- Maxfield and Sons
- Maxim Autocar Syndicate
- Maxim Boyd and Co
- Maxim Foreign and Colonial Motor Syndicate
- Maxim Lamp Works
- Maxim Electrical Co
- Sir Hiram Maxim Electrical and Engineering Co
- Hiram S. Maxim Automobile Syndicate
- Maxim-Weston Electric Co
- Maximum Light Window Glass Co
- Maxted and Knott
- Maxwell Monson
- Maxwell Motors
- David Maxwell and Sons
- Arthur W. May
- May and Co
- May and Hawes
- May Brothers
- May Fair Hotel, London
- May Manufacturing Co
- May Oil Burner
- John May
- May-Oatway Fire Appliances
- Mayborn Products
- H. J. Maybrey and Co
- Mayer and Phelps
- Ernest E. Mayer and Co
- L. S. Mayer (London)
- Mayfair Carriage Co
- Mayfair Export and Import Co
- Mayfair Garages
- Mayfair Manufacturing Co
- Mayfair Trading Co
- Mayfield, Cobb and Co
- J. T. Mayfield and Co
- Mayhew and Sons (Millers)
- Frank Mayle and Sons
- W. A. Maylor and Co
- Maynard and Cooke
- Alister Maynard
- Christopher Maynard
- Maynard, Harris and Co
- Mayoh and Haley
- Maypole Co (1899)
- McAfee and Appleton
- Alan McAfee
- McAra and Whiteman
- McArthur and Co
- MCC (of London)
- McCall and Co
- McCallum and Hodson
- J. W. McCallum and Co
- McCarthy Radio
- Gilbert J. McCaul and Co
- McCaw, Stevenson and Orr
- McClean and Stileman
- McCormick Harvesting Machine Co
- McCorquodale and Co
- B. McCourt
- C. C. McCoy and Co
- McCurds
- McDougall Brothers
- McDougall Brothers (of London)
- Thomas McDowell
- McEachnies Patent Davit Co
- McEwan, Pratt and Co
- S. M. McEwan and Son
- McGaw and Co
- McGlashan and Co
- McGlashan and Field
- McGlashan and Merryweather
- McGraw-Hill
- McGruer Dinghies
- McIntyre, Hogg, Marsh and Co
- McKay and MacGeorge
- McKay Artificial Limb Co
- McKean and Co
- McKenzie and Co
- McKenzie, Holland and Westinghouse Power Signal Co
- McKenzie, Scott and Henderson
- McKerrow and Co
- McKesson and Robbins
- H. C. McKinlay and Co
- E. A. McLachan Engineering Co
- McLachlan Engine Co
- E. A. McLachlan
- McLaren and Co
- Andrew McLaren and Co
- McLean Brothers and Rigg
- McNab Marine Appliances
- McNamara and Co
- F. McNeill and Co
- Robert McNish and Co
- Alexander McRitichie
- H. F. McShane
- McVicker and Co
- MEA Magneto Co
- James Meacock
- C. R. Mead
- Mead and Co
- Mead and Son
- Mead Cycle Co
- Mead of London
- J. Mead
- Mead, McLean and Co
- Ray Mead
- J. F. Meakin
- Mears and Stainbank
- Mears Brothers
- Charles and George Mears
- Measures Brothers
- Measures Brothers and Co
- Measuring Instruments (Pullin)
- Mebes and Mebes
- Mechan and Sons
- Mechanaids
- Mechanical and General Inventions Co
- Mechanical Coal Stokers
- Mechanical Development Syndicate
- Mechanical Lighters and Engineering Co
- Mechanical Tar Spraying and Grouting Co
- Medcalfe and Co
- Medical Battery Co
- Medical Bottle Supplies
- Medical, Invalid and General Life Assurance Co
- Medici Society
- Medspin Engineering
- Medway's Safety Lift Co
- Medwin and Hall
- Megator Pumps and Compressors
- Megatron
- Meggitt
- C. S. Meik and Halcrow
- Mein and Co
- C. Meinig
- M. Meisel
- Mek-Elek Engineering
- L. Mekarski
- Melaware
- Melbray
- Melbray Group
- Melchior, Armstrong and Dessau
- F. and H. Melen
- Richard Melhuish and Sons
- J. F. Melling
- J. Melling
- Mellowhide Products
- Melson, Clifford and Co
- Meltonian
- Meltz and Westerman
- Melville, Dundas and Whitson
- MEM Co
- Memory and Memory
- Mendine Co
- W. Menhenett
- Menley and James
- G. Mennen Co
- Mentmore Manufacturing Co
- Mercantile Credit Co
- Mercantile Guarantee and Assurance Co
- Mercantile Steamship Co
- William A. Mercer and Co
- Merchant Banking Company of London
- Merchant Shipping Co
- Merchant Trading Co
- Merchant's and Tradesman's Mutual Life Assurance Society
- Mercury House Consumer Publications
- Howard W. Meredith and Son
- Meredith and Drew
- Meridith and Drew
- Merkham Trading Co
- Merlin's
- H. Mernick and Co
- Merrifield-Westcott-Pearson
- J. C. Merryweather
- Merthyr Electric Traction and Lighting Co
- Merton Metallurgical Co
- Henry R. Merton and Co
- Merx
- Merz and McLellan
- Messenger and Sons
- Messer and Thorpe
- Messer Engineering Co
- Messier Aviation Engineering Co
- Mestre and Blatge
- Metag
- Metal and Hardware Products
- Metal and Pipeline Endurance
- Metal Box Co
- Metal Containers
- Metal Gravure Co
- Metal Sprayers
- Metal Structures
- Metal Traders
- Metal, Glass and Stoneware Airtight Vessel Co
- Metalite
- Metallic Paving and Artificial Stone Co
- Metallic Paving Co
- Metallic Wallplugs
- Metallizing Equipment Co
- Metals and Ropes Co
- Metamine (England)
- Metcalfe's Coachwork (London)
- Metcalfe, Bingley and Co
- Metchim and Son
- Meteor Manufacturing Co
- Meteor Motors
- Metering Pumps
- Methuen and Co
- Metro Pex
- Metro-Tyler
- Metro-Vick Supplies
- Metrocolor
- Metropex
- Metropolitan (Brush) Electric Light and Power Co
- Metropolitan Bank (of England and Wales)
- Metropolitan Bicycle Co
- Metropolitan Board of Works
- Metropolitan Commission of Sewers
- Metropolitan Construction Co
- Metropolitan District Railway
- Metropolitan Electric Supply Co
- Metropolitan Electric Tramways
- Metropolitan Galvanising Co
- Metropolitan Gas Co
- Metropolitan Laboratories
- Metropolitan Life Assurance Society
- Metropolitan Machinery Supply Co
- Metropolitan Machinists Co
- Metropolitan Motor Cab and Carriage Co
- Metropolitan Motor Manufacturing Co
- Metropolitan Plywood Co
- Metropolitan Railway
- Metropolitan School of Science
- Metropolitan Street Railway
- Metropolitan Tower Construction Co
- Metropolitan Water Board
- Metzler and Co
- Meubles Francais
- Meux and Co
- Meux's Brewery
- Mewburn, Ellis and Pryor
- G. E. Mewis
- Mexican Railway
- Meyer International
- Albert Meyer (London)
- Mica and Micanite Supplies
- Michael Danks
- Michael Pal and Co
- Michell and Thynne
- Michelmore and Reap
- Micro Precision Products
- Microcell
- Microcell Aircraft
- Middle East Airlines
- Middlesex Fire Office
- Middlesex Paint and Lacquer Co
- Middleton Electric Traction Co
- Middleton, Hunter and Duff
- T. Middleton and Co
- Thomas Middleton
- Midgley Car Lighting Co
- Midland Bank
- Midland Bank Executor and Trustee Co
- Midland Leather Co
- Midvale Steel Co of Philadelphia and London
- Midwest Radio
- Miehle Printing Press and Manufacturing Co
- Miele Co
- N. Miers and Co
- Miesse Petrol Car Syndicate
- Miesse Steam Motor Syndicate
- Clifford Milburn and Co
- Miles Martin Pen Co
- Milestone Motor Co
- Military Equipment Stores and Tortoise Tents Co
- Milium Insulated Linings
- Millar, Son and Co
- Millars' Machinery Co
- Millburn Engineering Co
- Millenhall
- Joseph Miller and Sons
- M. Miller and Sons
- Robert Miller
- T. Miller and Co
- Miller and Richard
- Miller Anti-Friction Metal Co
- Adam Miller
- Henry Miller and Co
- Ira Miller and Co
- John Miller (of London)
- John W. Miller
- Miller, Rayner and Haysom
- Miller, Tupp and Rouse
- Millers Rings
- Millers' Mutual Association
- Milliwatt
- Millman Brothers
- Millns Electrical Co
- H. C. Mills and Co
- Mills and Knight
- Mills Scaffold Co
- Alfred Mills (Opticians)
- Mills, Moore and Co
- Millwall Dock Co
- Millwall Lead Co
- Millwall Scrap Iron Co
- C. S. Milne and Co
- Milnes-Daimler
- Milnes-Daimler-Mercedes
- Milton and Co
- Min Cream
- Minerals Separation
- Minerva Automobiles
- Minerva Cycle Co
- Minerva Life Assurance Co
- Minerva Motors
- Miniature Bearings
- Minimax
- Minimax Consolidated and Minimax
- Minimode (Childrens Wear)
- Mining and Chemical Products
- Ministry of Agriculture, Fisheries and Food
- Ministry of Aviation
- Ministry of Food
- Ministry of Fuel and Power
- Ministry of Public Building and Works
- Ministry of Technology
- Minnesota Mining and Manufacturing Co
- J. and J. Minnis
- H. T. Minnitt
- Minns
- Sidney Minns and Co
- Minox
- Minty's Photographic Stores
- Miracle Mills
- Mirror Group
- Miscellaneous Trading Co
- Miss Lucy
- Mission Manufacturing Co
- H. Mitchell
- John Inglis Mitchell
- Mitchell (Dodge)
- Mitchell (London)
- Mitchell and Berry
- Mitchell Conveyor and Transporter Co
- Mitchell Cotts
- Mitchell Engineering
- Mitchell Engineering Co
- Mitchell Motor Garage
- Mitchell Signs and Display
- H. C. Mitchell and Co
- James Mitchell
- Leon J. Mitchell (Furs)
- P. J. Mitchell
- L. A. Mitchell (Motors)
- Mitchell-Williams Crane Co
- Mixtrol Oil Products of Great Britain
- Mobil Oil Co
- Mobri
- Mobyke Accessories
- Model Aircraft Supplies
- Model Engineer Laboratory
- Model Manufacturing Co
- Model Railway Club
- Model Repairing Co
- Modelcraft
- Modern Book Co
- Modern Camera Magazine
- Modern Electrics
- Modern Handbags
- Modern Metalcraft Products
- Modern Society
- Modern Sound Equipments
- Modern Techniques
- Modern Telephone Co
- Modern Utilities
- Moebius and Son
- F. W. Moellenkamp and Co
- Alexander Moffat
- Moffat, Ross and Co
- Moffatt and Eastmead
- Mogden Sewage Works
- Moir and Co
- Moir, Hutchins and Hickling
- John Moir and Son
- Molassine Co (1907)
- Mold and Denbigh Junction Railway
- Mole-Richardson
- Moler Products
- Molex Products
- Molho
- Mollier
- Robert Molyneux
- Monarch Door Controller Co
- Mond Staffordshire Refining Co
- Mondaine
- Monington and Weston
- Monk and Glass (Export)
- Monnerys
- Monningers
- J. F. Monnot
- Mono Pumps
- Monobloc Accumulator Syndicate
- Monorail Portable Railway Co
- Monovo Co
- Monsieur Mallan and Sons
- Montague Hawnt and Co
- Montague, Sharp and Co
- R. M. Moody
- Moon Cycle Co
- Moonbeam
- F. K. Moore and Son
- S. Moore and Co
- W. Moore and Sons
- Moore and Co (of London)
- Moore and Manby
- Moore and Moore
- Moore Brothers
- Moore's Modern Methods
- C. C. and T. Moore
- Edwin Moore
- Moore, Elliot and Co
- H. A. Moore and Co
- Moores Modern Methods
- Moores Plant
- Morane-Smith Aviation Co
- Morbrook Polish Co
- S. Mordan and Co
- Mordey-Fricker Electricity Meter Co
- Morecroft, Wellington and Co
- Morel Brothers (Fur Export)
- E. J. Morel (1934)
- R. Moreland and Sons
- Moreland, Hayne and Co
- Richard Moreland and Son
- H. Morell
- J. S. Morgan and Co
- W. Morgan and Sons
- Morgan and Co
- Morgan and Maxwell
- Morgan Brothers
- Morgan Brothers (Publishers)
- Morgan Crucible Co
- Morgan Donne
- Morgan Hastings
- Morgan Sindall
- Charles Morgan and Co
- Morgan, Owen and Taylor
- Morgan-Grampian (Publishers)
- J. L. Morison, Son and Jones
- Mork Patent Pulley Block Co
- Richard Morland and Son
- Morley and Cooper
- I. and R. Morley
- Morny
- Morny Freres
- D. S. Morris
- S. J. Morris
- S. Morris and Co
- Morris and Co (London)
- Morris and Forndran
- Morris and Thomas
- Morris Heating Appliances
- Morris, Mitchell and Co
- P. D. Morris
- Morris, Russell and Co
- Morris and Co
- Morris, Wilson and Co
- Morrisfield Equipment Co
- Morrison, Marshall and Hill
- Pearse Morrison and Son
- Morriss-London
- Thomas Morson and Son
- Mortimer Engineering
- Mortimer Engineering Co
- Mortimer Motor Market
- Mortlocks
- C. and E. Morton
- Mory and Co
- Max. Moschkowitz
- Moseley and Son
- John Moseley and Son
- Mosenthal, Sons and Co
- Mosers
- Moss Brothers
- George Moss
- H. E. Moss and Co
- H. Moss, Junior
- Mossay and Co
- Mossberg Roller Bearings
- Mosses and Mitchell
- Mothers' Clinic
- Mothersill and Co
- Mothersill's Remedy Co
- Motiphos Co
- Moto-Reve
- Motor Academy
- Motor Accessories Co
- Motor and Accessories Co
- Motor and Electronics Corporation
- Motor and General Tyre Co
- Motor Bus Co
- Motor Car Co
- Motor Car Emporium
- Motor Car Industries
- Motor Carriage and Cycle Patents
- Motor Carriage Supply Co
- Motor Club
- Motor Coaches
- Motor Development Corporation
- Motor Drivers Union
- Motor Dust Screen Co
- Motor Engine and Manufacturing Co
- Motor Exchange
- Motor Exchange of Great Britain
- Motor Fitting and Engineering Co
- Motor Gear and Engineering Co
- Motor House
- Motor Imports Co
- Motor Lamp and Radiator Co
- Motor Liveries
- Motor Manufacturing Co (1907)
- Motor Mart
- Motor Omnibus and Waggon Co
- Motor Omnibus Syndicate
- Motor Power Co
- Motor Schools
- Motor Service
- Motor Sheet Metal Co
- Motor Showrooms
- Motor Supply Co
- Motor Technical Records
- Motor Tool Co
- Motor Traction Co
- Motor Traction Co (1905)
- Motor Trades Association
- Motor Training Institute
- Motor Transport Co
- Motor Transport Freight Exchange
- Motor Union Insurance Co
- Motor Van Syndicate
- Motor Vehicle Co
- Motor Wheels
- Motorail
- Motorist's Travel Club
- Motourists
- Mott, Hay and Anderson
- Phyllis Mott
- Mottram
- Mouchel and Partners
- Moul and Co
- Moule's Patent Earth Closet Co
- Mouliware
- Mount Pleasant
- A. R. Mowbray and Co
- John Mowlem and Co
- Ernest F. Moy
- Moyes and Barclay
- Mrs M. A. Carlisle-Carr
- Mrs. Nutting
- Leopold Mukle
- Mullard Wireless Service Co
- Mullen and Lumsden
- Muller and Co
- Muller Guaranteed Rackets
- H. L. Muller
- H. J. Mulliner and Co
- Mulliner (London)
- F. Mullins
- Multicoil
- Multicore Solders
- Multicraft
- Multiple Utilities Co
- Multipurpose Machines
- Mumford, Bailey and Preston
- G. S. Mumford and Sons
- Mundus Syndicate
- Mundy, Horley and Co
- Municipal Mutual Insurance
- James Munro
- Munro Vitarex
- Munro, Moir and Co
- R. W. Munro
- H. Munzing
- B. Muratti Sons and Co
- Murdoch Trading Co
- John G. Murdoch and Co
- Murdochs
- Murell
- Murkabag
- J. Murphy and Sons
- B. A. Murray (of London)
- E. Murray and Co
- J. O'Hara Murray and Co
- Murray, Lotz and Co
- R. S. Murray and Co
- Murrle, Bennett and Co
- Museum of Decorative Art
- Museum of London
- Museum of National Manufactures
- G. Music and Sons
- Musikon
- Musitapes Wholesale
- Musselburgh and District Electric Light and Traction Co
- Mutual Finance
- Mutual Insurance Benefit Institution
- Mutual Life Association of Australasia
- Mutual Life Assurance Co
- Mutual Life Assurance Society
- Mutual Life Insurance Company of New York
- Mutual Loan Fund Association
- Edward Myers
- Fred Myers
- M. Myers
- Wayne V. Myers Co
- Robert William Mylne
- Myro Glove Co
- C. J. Myson
N
- N. F. Niblett
- N. L. T. Industries
- N. P. Pump Bucket Co
- N. S. Fashion Co
- N. S. U. Cycle and Motor Co
- N. Y. Display Service
- N. Y. K. Line
- Naafi Sports Showroom
- Nagard
- Nairne and Blunt
- Nalder Brothers and Co
- Nalder Brothers and Thompson
- Napier
- Napier and Co
- Napier-Kimber
- G. F. Nash
- Nash Patents
- B. and I. Nathan
- Nathan's Equipment
- Nathan's Sales
- Henry Nathan and Co
- National Alliance Insurance Co
- National Anti-Vivisection Society
- National Association of Iron and Steel Stockholders
- National Association of Local Government Officers
- National Association of Malleable Ironfounders (NAMI)
- National Association of Scaffolding Contractors
- National Assurance Company of Ireland
- National Bank
- National Bank of Australasia
- National Bank of India
- National Bank of New Zealand
- National Benefit Assurance Co
- National Benzole Co
- National Building Society
- National Childrens Home
- National Company for the Distribution of Electricity by Secondary Generators
- National Darts
- National Discount Co
- National Electric Co
- National Electric Construction Co
- National Enterprise Board
- National Federated Electrical Association
- National Federation of Building Trades Employers
- National Fire Insurance Corporation
- National Fireplace Makers's Association
- National Flexible Metallic Tubing Co
- National Fuel and Power Committee
- National Fur Co
- National Fuse Rectification Factory
- National Gas Council
- National Glass Industry
- National Gramophone Co
- National Hotel, London
- National Industrial Fuel Efficiency Service
- National Institute for the Blind
- National Institute of Engineering
- National Ladders
- National Life Assurance Society
- National Loan Fund Life Assurance Society
- National Lubricating Oil and Grease Federation
- National Magazine Co
- National Motor Academy
- National Motor Cab Co
- National Mutual Life Association of Australasia
- National Mutual Life Assurance Society
- National Paper Mills
- National Piano Actions
- National Plastics
- National Provident Institution
- National Provincial and Union Bank of England
- National Provincial Bank
- National Provincial Bank of England
- National Provisional Bank of England
- National Radio Service Co
- National Relief Fund
- National Reversionary Investment Co
- National Roofings
- National Rubber Products
- National Savings Committee
- National Savings' Bank Association
- National Society's Depository
- National Steamship Co
- National Supply Corporation
- National Tube Works Co
- National Union of Railwaymen
- National War Bonds
- National Westminster Bank
- Natural Color Kinematograph Co
- Natural History Museum
- NatWest
- Nautilus Fire Co
- Navigators and General Insurance Co
- Naylena
- W. Naylor (Varnish)
- Naylor Battery Co
- Naylor Brothers (London)
- Thomas Neal
- Neale and Wilkinson
- David Neale
- George W. Neale
- H. A. Neale and Co
- M. T. Neale
- Neasden Power Station
- Neasden Works
- Neco Geared Motors
- Necol Industrial Collodions
- Needham and Kite
- Needham Brothers
- J. T. Needs and Co
- Neeson
- Negretti and Zambra
- George Neighbour and Sons
- E. B. Neill
- Frederic Nell
- A. Nelson and Co
- Nelson Brothers (2)
- Nelson Brothers (of London)
- Nelson's of Jermyn Street
- H. Nelson
- Neofold
- Neonelectric Co
- Neophone Engineering Co
- Neptric
- Nera Electrical Co
- Nernst Electric Light
- Nesta
- F. C. Nestler
- Nettlefold and Chamberlain
- Nettlefold and Moser
- Nettlefold and Sons
- Nettlefolds
- Network Rail
- Nevastane Products
- Nevell and Co
- Nevill's Turkish Baths
- H. W. Nevill
- Neville and Co
- New Art Manufacturing Co
- New Automobile Co
- New Beam Anti-Dazzle Light Co
- New Bicycle and Tricycle Sale Rooms Co
- New Bond Co
- New Calyx Drill and Boring Co
- New Century Lock and Engineering Co
- New Chenil Galleries
- New Explosives Co
- New Floor Installations
- New General Traction Co
- New Geysers
- New Hygiene
- New Industrial Products
- New Inverted Incandescent Gas Lamp Co
- New Ixion Tire and Cycle Co
- New Kyma Car Co
- New Light Fittings
- New London and Brazilian Bank
- New London and Suburban Omnibus Co
- New London Electron Works
- New Normal Ammunition Co
- New Patriotic Imperial and National Light and Heat Co
- New Pegamoid
- New Phonophore Telephone Co
- New River Co
- New River Waterworks
- New Rotoplunge Pump Co
- New Speedwell Motor Co
- New Taite Howard Pneumatic Tool Co
- New Trafford Engineering Co
- New Union Electric Co
- New Wilson Electrical Manufacturing Co
- New Wire Wove Roofing Co
- New York Belting and Packing Co
- New York Wheel and Acme Rubber Co
- New Zealand Government Tourist Bureau
- New Zealand Line
- New Zealand Shipping Co
- Newbery
- F. Newbery and Sons
- Walter Newbold and Co
- Newellite Glass Tile Co
- Newland, Tarlton and Co
- Newlin Underwear
- H. and C. Newman
- J. and S. Newman
- Newman and Guardia
- Newman and Sinclair
- Newman Street Carpet Co
- Newman's Successors
- S. A. Newman (Tailor)
- Newmobile Car Co
- George Newnes Co
- Newnham Motor Co
- Newnhams
- E. J. Newns
- News Chronicle
- J. Newton and Son
- James Newton and Sons
- Newton and Co
- Newton and Worssam
- Newton and Wright
- Newton Fire Extinguisher Co
- Newton Group
- Newton Sales Co
- Charles Newton
- J. M. Newton, Vitreo-Colloid (1928)
- John M. Newton and Sons
- Newton, Sons and Co
- Newton, Wilson and Co
- Newtonite
- Niagara Therapy
- Niblett, Sutherland and Marcuson
- Nicholas J. West and Sons
- Nicholas Motor and Cycle Co
- George Augustus Nicholas
- Nicholls and Clarke
- J. B. Nichols and Sons
- J. H. Nicholson and Co
- Nicholson and Co
- Nicholson Brothers
- Nicholson's
- F. S. Nickells and Co
- Nickeloid Electrotype Co
- Nickerson Brothers
- Nicole Freres
- Nicole, Nielsen and Co
- Nicoll
- H. J. Nicoll and Co
- D. O. Nicoll
- Nicrobalt Steel Co
- W. and C. Nightingale
- Nilmelior
- W. Nimmo
- Nimrod Cycle Co
- Nine Elms Depot
- Nine Elms Gasworks
- Nine Elms Works
- G. Nissel and Co
- Nissen, Parker and Arnold
- Nitrate Producers Steamship Co
- Nitsche and Gunther British Optical Co
- Nivex Instrument and Gauge Co
- W. G. Nixey
- No-Fume (Patents)
- Walter Henry Noakes
- Thomas Noakes and Sons
- George Nobbs
- Nobel Chemical Finishes
- Nobes and Hunter
- W. D. Noble
- Noble Engineering Co
- Noble Motor Co
- Noble Motors
- Frank Joseph Noble and Co
- H. Noble and Co
- H. R. Noble
- Nobles and Hoare
- John Nodes
- Noel Floors
- L. Noel and Sons
- Non-Ferrous Die Casting Co
- Non-Flammable Wood Co
- W. M. Nones
- Norcros
- J. A. Nordberg
- Norden Electric
- Norel Electrical Appliances
- Norfolk and North American Steam Shipping Co
- Norfolk Hotel, London
- Norma Motor and Engineering Co
- C. G. Norman (Commercial)
- Norman and Beard
- Norman and Hill
- Norman Bartleet
- Norman Hooker (Foundry Supplies)
- Norman Pearson and Co
- B. Norman and Son
- C. G. Norman and Co
- F. H. Norman and Co
- Norman, Oakley and Co
- Normand
- Normand (Mayfair)
- Normand Garage
- Normandy and Co
- Normandy's Patent Marine Aerated Fresh Water Co
- A. Normandy and Co
- A. Normandy, Stilwell and Co
- W. De Normanville
- Norris and Co
- Norris Brothers (of London)
- G. Norris
- George Norris
- Norris, Henty and Gardners
- S. Norrish
- J. North Dis.
- North and South Western Junction Railway
- North British and Mercantile Insurance Co
- North British Insurance Co
- North British Life Insurance Co
- North British Plumbing Co
- North Bucks Direct Trading Co
- North Central Finance
- North Lancashire Corporation
- North London A.C.
- North London Carrying Co
- North London Garage
- North London M.C.C.
- North London Railway
- North London Tramways Co
- North Metropolitan Electric Power Supply Co
- North Metropolitan Electric Supply Co
- North Metropolitan Tramways Co
- North of Europe Telegraph Co
- North Staffordshire Tramways Co
- North Thames Gas Board
- North Wales Power and Traction Co
- North's Navigation Collieries (1889)
- North-Lucas
- North-West London M.C.
- North-West London M.C.C.
- North-West London Motor Club
- Northarc
- Northcote Manufacturing Co
- Northcroft, Neighbour and Nicholson
- Northern Aluminium Co
- Northern Assurance Co
- Northern Ball Bearings
- Northern Outfall Sewage Works
- Northern Polytechnic
- Northern Radio Services
- H. Northwood and Son
- H. Northwood and Sons
- Nortic Electrical
- E. A. Norton and Co
- Norton and Gregory
- L. Norton
- W. E. Norton (Machine Tools)
- Norwich Union
- Norwich Union Life Insurance Society
- Norwood and Son
- Norwood Steel Equipment
- Notley and Taylor
- Notting Hill Electric Light Co
- Notting Hill Electric Supply Co
- James Nourse
- Novello and Co
- Novum
- J. D. Nowell and Sons
- Nox
- Noxal Sidecars
- Noxon Co
- S. M. Bridges and Co
- NSPCC
- Nu-Enamel
- Nu-Life
- Nuagane Products
- Nubian
- Nubian Blacking
- Nuclear Electric
- Nugget Polish Co
- NuNale Co
- Nunan's Hose Couplings
- Nunhead Cemetery
- T. C. Nunn
- Richard and Tucker Nunn
- Nursing Illustrated
- Nusound Products
- Nutrex
- Nutt Products
- Adam Nuttall
- Nutting, Addison and Co
- Arthur W. Nye
- R. G. Nye and Co
- J. Nygate
- Nymph Motor Cycle Co
O
- O'Brien, Thomas and Co
- O'Connell's Coal and Iron News
- O'Connor Extension Co
- John O'Donnell
- O'Gorman and Cozens-Hardy
- W. H. O'Gorman
- O-Vee Spring Gauges
- O. Bruster and De Launoit
- O. C. A. Furnishing Co
- O. N. Beck
- O. Shanks and Co
- A. Oakden and Sons
- Oakden's
- John Oakey and Sons
- Oakwal Flooring Co
- Oastler, Palmer and Co
- Ocean Accident and Guarantee Corporation
- Ockenden
- Ocor Electric Soldering Baths
- Odams Manure and Chemical Co
- Oddesse Pump Co
- Odhams Press
- Odoni Equipment
- Alfred A. Odoni and Co
- L. Oertling
- Oetzmann and Co
- Offord and Sons
- Robert Offord and Co
- Ofrex
- Joseph Ogden
- Richard Ogden
- Ogilvie and Partners
- Ogilvy and Co
- Ogle Motor Co
- Oil and Carbon Products Co
- Oil Axle Box Co
- Oil Power Co
- Oil Well Supply Co
- Okonite Co
- Old Bess
- Old House Hotel, Windsor
- Old-World Galleries
- Olding and Gladstone
- Jack Olding and Co
- H. Oliver and Sons
- Olivers Travels (Adelphi)
- Ollendorff Institute of Languages
- Lewis Olrick and Co
- Martin Olsson and Sons
- Olympia
- Olympia Motor Show
- Olympia Oil and Cake Co
- Olympic Radio Components
- Omnia Kine Apparatus Co
- Omnium Export
- Omnium Motor Co
- Onsite Flooring Co
- Operation Britain
- Oppenheimer, Son and Co
- A. Oppenheimer and Co
- S. Oppenheimer
- Carl Oppermann Electric Carriage Co
- S. E. Opperman
- Opperman, Sons and Tasker
- Oppermann and Sons
- Optical Munitions Factory
- Optrex
- Orange-Crush Co (London)
- Oravox
- Orchestrelle Co
- Orchorsol Gramophones
- Ordish and Le Feuvre
- Ore Atomic Reduction Co
- Ore Concentration Syndicate
- Oreillettes Co
- Orenstein and Koppel
- Orenstein and Koppel—Arthur Koppel
- Oresswell Brothers and Schmitz
- Orient Express Car Syndicate
- Orient Line
- Oriental Bank Corporation
- Oriental House
- Oriental Inland Steam Co
- Oriental Leather and Leatherette Co (1908)
- Orion (of South Kensington)
- Orion Lamps
- Orleans Car Co
- L. Orlik
- Orlit
- W. and E. G. Orme
- Orme and Sons
- Ormiston Wire
- Ormiston and Glass
- Ormiston Metal Co
- Ormond Engineering Co
- Ormonde Motor Co
- Ornamental Gate Co
- D. L. Ornstein
- A. Ornstin
- P. Orr and Sons
- Orridges
- Ortema Textile Co
- S. Ortweiler
- Osband Brothers
- Osborn and Lord
- Osborne and Co (London)
- Osborne Piano Co
- Osborne, Garrett and Co
- William Osborne
- Osbourne and Co
- Oscar Fanyau and Co
- Oscar Moenich and Co
- Osler and Faraday
- Osmond and Co (Printers)
- Osmond and Matthews
- Osokool
- Ospers
- J. Oswald, Gardner and Co
- Oswald and Potts
- J. Oswald and Son
- J. Oswald and Sons
- Oswalds and Ridgway
- Otark Polish Co
- Otis Elevator Co
- George Ottley
- Otto Bicycle Co
- Otto Gruber and Co
- Otto-Bennett Motor Co
- Otto-Hilgenstock Coke Oven Co
- Otz and Co
- George Ryder Ousey and Co
- Outra Belting and Rubber Co
- Ovaltine
- Ovenden, Haward and Co
- W. and T. Ovens
- Overend, Gurney and Co
- Overhead
- Overseas Aviation (C. I.)
- Overseas Cars
- Overseas Containers
- Overseas Drivers Club
- Overtime Farm Tractor Co
- Owen and Orleans
- Owen Brothers
- Owen Cars
- Owen Jones
- Owen Motor Co
- Owen Power Plant Co
- H. R. Owen
- Phillip Owen
- Owens and Case
- Samuel Owens and Co
- John Owthwaite
- Oxford Cabinet Co
- Oxford Street Motor Co
- Oxhycarbon Co
- Oyler
- A. W. Oyler and Co
- Ozalid Co
- Ozonair
- Ozonol Laboratories (1930)
- Ozotype Co
P
- P and O Tours
- P. A. Gilbert Wood
- P. and B. Evaporators
- P. and M. Co. (England)
- P. and O. Orient Lines
- P. B. Sillimanite Co
- P. C. A. Radio
- P. G. Engineering
- P. H. Gedge
- P. K. Arm
- P. Keene
- P. V. Motor Cycles
- P. X.
- Pacific Insurance Company of Sydney
- C. Packer
- G. Packer
- Packers Supply Co
- Packman, Popkiss and Heasman
- Paddington Canal
- Paddington Motor and Carriage Co
- Paddington Motor Co
- Paddington Railway Station
- Paddon Precision Tools
- Padgett and Braham
- H. M. Page
- Page and Cameron
- Page Brothers
- Charles Page and Co
- Peggy Page
- Paget's Equipment House
- Paige-Jewett
- James Pain and Sons
- Herbert D. Paine
- Pal Personna Blades
- Pal Personna Products
- Palace Garage
- Pall Mall Magazine
- Palladio Mondo
- Palladium Autocars
- Palladium Life Assurance Society
- G. Palliser and Co
- J. Palmer (Auctioneer)
- Palmer Aero Products
- Palmer and Co (of Tooting)
- Palmer and Tickner
- Palmer Co
- Palmer Foundry Co
- Palmer Tyre
- Palmer's Travelling Cradle and Scaffold Co
- T. W. Palmer and Co
- W. H. Palmer and Co
- Palmers
- Palnut Co
- Pam (Radio and Television)
- Pamphonic Reproducers
- Pancras Gasworks
- Pandrol
- Panelwood
- Panex (Overseas)
- Pang Chemical Vulcanizers
- J. Panichelli and Sons
- Pannier Pad Co
- R. M. Papelian
- Paper Tube and Box Co
- Papier Poudre
- Paquin
- Paragon Check Book Co
- Paragon Marine Propeller Co
- Paragon Press Co
- Paramount Asphalte
- Paris Academy
- Paris Automobile Cab Co
- Paris Singer and Co
- Parisian Diamond Co
- Park Drive Cigarettes
- Park Equipment Co
- Park Radio
- Park Radio of Manor Park
- Park Royal Polish Co
- Park Royal Scientific Instruments
- Park Royal Vehicles
- Park West
- Park, Green and Co
- R. and J. Park
- Parke, Davis and Co
- J. Parker (Statuary and Mason)
- W. Parker and Son
- Parker (Toggles)
- Parker and Co
- Parker and Co (of High Holborn)
- Parker and Lester
- Parker Brothers
- Parker Gallery
- Parker Pen Co
- Parker Pen Company
- Parker Radio Co
- Parker, Field and Sons
- Joel Parker
- Joel Parker and Charles F. Dolby
- Parker, White, Bick and Co
- Parker-Knoll
- Henry W. Parkes
- W. Parkins
- Parkins and Gotto
- E. Parkinson (London)
- W. Parkinson and Co
- Parkinson and Crossley
- Parkinson and Frodsham
- Parkinson and W. and B. Cowan
- Parkinson Cowan
- Parkinson Cowan Appliances
- Sir Lindsay Parkinson and Co
- W. Parkyn and Sons
- Parlox
- Parnell and Puckridge
- Parr and Bluett
- Parr Equipment Co
- Parr's Bank
- Parry and Co
- Parry and Son
- Parry, Blake and Parry
- T. R. Parry and Co
- Parson and Pilgrim
- P. M. Parsons
- W. H. Parsons
- Parsons and Bunning
- Parsons Non-Skid Co
- Leslie Parsons and Co
- Thomas Parsons and Sons
- J. C. Part
- Partington Advertising Co
- Partridge Transformers
- Partridge and Cooper
- Partridge and Cozens
- Frank Partridge and Sons
- James Pascall
- Paskells
- Pass and Joyce
- A. and M. Passes
- Pastorelli and Co
- Pastorelli and Rapkin
- Patent Automatic Sewage Distributors
- Patent Castings Syndicate
- Patent Die Castings Co
- Patent Die-Casting Co
- Patent File and Tool Co
- Patent Gas Co
- Patent Gear and Metal Hardening Co
- Patent Gear Hardening Co
- Patent Gum and Rubber Co
- Patent Indented Bar Co
- Patent Indented Steel Bar Co
- Patent Interlocking Slab Co
- Patent Kamptulicon (or Elastic Material) Co
- Patent Kiln Co
- Patent Lead Works
- Patent Lighting Co
- Patent Lightning Crusher Co
- Patent Metallikon Works Co
- Patent Office
- Patent Paragon Pipe Co
- Patent Parquet Co
- Patent Selenitic Mortar Co
- Patent Silvering Co
- Patent Steam Carpet Cleaning Co
- Patent Steam Coach Co
- Patent Steel Bush Co
- Patent Transparent Wire Wove Roofing Co
- Patent Tunnelling and Mining Machine Co
- Patent Urn Pipe Co
- Patent Victoria Stone Co
- Patent Woollen Cloth Co
- Patents Trading Syndicate
- Paterson and Cooper
- Paterson Engineering Co
- Paton and Co
- Paton Hawksley
- Edward Paton and Son
- Patrick Adie
- Patrick Clark and Co
- Patrol Polishes
- Patterson and Co
- Patterson Edwards
- J. and H. Patteson
- C. A. Paul
- Paul Granby and Co
- Paul Mitton and Co
- Paul Rothermel
- Paul Winn and Co
- Andrew Paul
- Robert W. Paul
- Paulin and Herne
- H. J. Pausey
- Pawson Machine Tool Co
- George W. Payne
- Sir J. F. Payne-Gallway Brown and Co
- Payne and Grimes
- Payne and Son (of London)
- Sir John Payne Gallwey Ltd
- George Payne and Co
- Payne's Poppets
- Sir J. F. Payne-Gallwey Brown and Co
- Payton Manufacturing Co
- Peabody
- Henry W. Peabody and Co of London
- H. J. Peacock
- Peacock and Stevens
- Peacock, Shearring and Parsloe
- G. Newton Peake
- Pearce and Countze
- Alfred B. Pearce
- Pearce, Duff and Co
- Peard and Jackson
- Pearl and Dean
- Pearl Assurance Co
- A. and F. Pears
- R. H. and J. Pearson
- Pearson and Co
- Pearson and Co (London)
- Pearson Brothers
- Pearson Fire Alarm Co
- Pearson Fire Alarm Syndicate (Railways, Docks and Shipping)
- Pearson Panke
- Pearson's Fresh Air Fund
- Pearson's Motor Ignition Accumulator
- C. Arthur Pearson
- E. J. Pearson and Sons
- H. T. Pearson and Co
- J. Pearson and Sons (London)
- S. Pearson and Son
- Peasant Shop
- Pebble Hill
- Pebok Motor Cycle Co
- Peckham Truck and Engineering Co
- Peebles Steam Car Co
- A. M. Peebles and Son
- Peek Brothers and Winch
- Peek, Frean and Co
- Peel Automotive Equipment
- Peeling and Van Neck
- Peerless and Ericsson
- Peerless Built-In Furniture
- Peerless Electrical Manufacturing Co
- Peerless Flash Lamp Co
- Peerless Radio
- Pegamoid
- Pegg and Jackson
- Peggy Sage
- Peirson and Co
- Pelham Grill, London
- Pelican Life Assurance Co
- Pelican Life Insurance Co
- Pelican Life Office
- Pelican Products
- Oliver Pell Control
- Pellatt and Co
- Pelling and Cross
- Pelman Institute
- Pelman Languages Institute
- Henry Pels and Co
- Pemberton, Arber and Co
- Penfold
- Peninsular and Oriental Steam Navigation Co
- William Penn (of Finchley)
- Alexander Penney and Co
- Pennington and Baines
- Pennington Motor Co
- Pennington Motor Foreign Patents Syndicate
- Penrose of Streatham
- A. W. Penrose and Co
- Penthouse Furnishers
- Penton Carriage and Motor Body Works
- Penton Publishing Co
- Edward Penton and Son
- The People
- People's Palace Technical Schools
- W. M. Pepper and Co
- Pepsalia
- Pepsodent
- Percival White Engineering Works
- Perco
- Percy and Co
- Percy Ayers and Co
- Percy Bilton
- Percy Ellis
- Percy Lambert and Worger
- Percy V. Bradshaw
- Percy Vickery
- Perdio Electronics
- Perfect Mantle Co
- Perfect Pastry Pin Co
- Perfex Motor Co
- Perforated Music Co
- Perihel
- Period High Fidelity
- Periodograph Co
- Perken, Son and Rayment
- Perkins and Heath
- Perkins and Sons (of London)
- Perkins Engine Co (of London)
- A. M. Perkins and Co
- A. M. Perkins and Son
- Perkins, Bacon and Petch
- H. Perkins and Sons
- Perl Controls
- H. J. Perlbach and Co
- Permacem Paint Co
- Permalon
- Perman and Co
- E. G. Perman and Co
- Permanite
- Permoid
- Permutit Co
- Perreaux and Co
- Perring (Hats)
- Perrins
- Perrott and Perrott
- Perry and Co (London)
- Perry and Co (of Bow)
- Perry and Co (Watches)
- Perry Brothers
- Perry's Certainty Smoke Curing Cowl Co
- Perry's Original Bankrupt and Insolvent Registry Office
- E. S. Perry
- John Perry and Co (Plastics)
- R. H. Perry
- Perry, Thornton, and Schreiber
- Perseverance Co-operative Boiler Making and Iron Ship Building Society
- Frank F. Pershke
- Peter Boswell and Sons
- Peter Marshall
- Peter Tyre Co
- Peter Union Tyre Co
- C. A. Peters
- Peters and Sons
- Pethic Brothers
- Pethick, Dix and Co
- Peto and Radford
- Peto-Scott
- W. Petrie and Co
- Petrochemicals
- Petrol Motor Power Co
- Petrol Power Co
- Petroles De Grosnyi
- J. W. Peyton
- PFA
- Pfeil, Stedall and Son
- Pfleumatic
- Phalanx Window Blind Co
- Phanomobile
- Pharoahs (Wallboards)
- Phelps, James and Co
- Phidelity Magnetic Products
- Philip Chapman and Co
- Philip John Oscar Walker
- Philip Morris Tobacco
- Philip Winner and Co
- George Philip and Son
- Philips
- Philips Lamps
- Philips Electric Arc Welding
- Philips Electrical
- Philips Heat Distributors
- Philips Records
- Phillips and Hill
- R. A. S. Phillips
- W. and T. Phillips
- W. P. and G. Phillips
- Phillips (London)
- Phillips (of Oxford Street)
- Phillips and Hopwood
- Phillips and Lea
- Phillips and Leigh
- Phillips and Page
- Phillips and Son
- Phillips and Son (Motor Spirit)
- Phillips and Son (of London and Swansea)
- Phillips and Sons
- Phillips and Sons (Electrical)
- Phillips and Tribe
- Phillips Brothers and Co (London)
- Phillips Commutator Grinder Co
- Phillips Patents
- Phillips Rubber Soles
- Phillips Rubbers
- Phillips Shoe Heels
- Phillips Stick-A-Soles
- Phillips's Coalport China
- Charles H. Phillips Chemical Co
- F. G. Phillips
- H. Phillips (Empire Crayon Co)
- Phillips, Harrison and Hart
- J. W. and C. J. Phillips
- John Phillips (Brassfoundry and Lamp Co)
- John Phillips Co
- Phillips, Mills and Co
- Robert W. Phillips
- S. C. Phillips and Co
- Wal Phillips
- Philp and Whicker
- Philplug Products
- Thomas Philpot
- E. Philpott
- Evacutes A. Phipson
- Phoenix (by Ernie Barratt)
- Phoenix Assurance Co
- Phoenix Electric Heating Co
- Phoenix Fire Office
- Phoenix Foundry
- Phoenix Gas Co
- Phoenix Manufacturing Co (of London)
- Phoenix Supply Co
- Phonopore Telephone Co
- Phos Co
- Phosphor Bronze Co
- Photax (London)
- Photo-Color
- Photo-Litho Process
- Photo-Matik Portraits
- Photo-Production
- Photo-Science
- Photography Magazine
- Photostat
- Phyllis Earle Salons
- Pianoforte Supplies
- Piccadilly Line
- H. Pickett
- Pickfords
- Picking, Hopkins and Co
- Pictorial Machinery
- Pidgen Brothers
- Dr. Pierre
- Piesse and Lubin
- Piggott Brothers and Co
- John Piggott
- Pike Brothers ( London)
- Pike Brothers and Co
- Pike Brothers and Co (1937)
- Pilchers
- Pile and Co
- John Pilkington (London)
- Pilkington's Asphalte Co
- Pillar
- Pilley and Co
- J. Pillischer
- F. T. Pillivant
- Pilot Motors
- Pilot Waterproof Co
- Pilsen-Joel
- Pilter and Co
- Pimlico Gasworks
- Pin High Cranes
- J. Pinchbeck
- Pinchbeck Brothers
- Pinchin, Johnson and Associates
- Pinchin, Johnson and Co
- William Pinchin and Co
- Pinit
- E. and T. Pink
- Pinnacle Electronic Products
- Pinnock Finance Co
- Pintsch's Patent Lighting Co
- Pioneer Paint Co
- Pioneer Power Co
- Pioneer Telephone Co
- Piper Electric Blind Operator
- Pirelli
- Pirie, Appleton and Co
- Pitcher and Bartlett
- H. J. and W. Pitcher
- Henry S. Pitcher
- William Pitcher
- Pither's Radiant Stoves
- Pitkin and Short
- James Pitkin and Co
- Pitler and Co
- Pitman College of Journalism and Authorship
- Pitman Correspondence College
- Pitman's Central College
- Pitman's Press
- Sir Isaac Pitman and Sons
- A. J. Pitney's Furniture Show Rooms
- Pitrie
- Pitt and Scott
- Pitt Engineering Co
- Pitt Moto-Caravans
- Pitter's Patents
- Pittsburgh Locomotive Works
- Plaissetty Mantle Syndicate
- Plambeck and Darkin
- Plan Copying Services
- Planet Electric Co
- Plant and Machinery
- Plant Brothers
- Planters Engineering Co
- Plasmon Tea Rooms
- Plaster Decoration Co
- Plastic and Metal Engraving Co
- Plastic Decoration and Papier Mache Co
- Plastic Spray
- Plastilume Products
- Plastomatic
- Alfred Thomas Plater
- Plating Co
- Platinotype Co
- Platinum Watch Case Co
- Platow and Co
- Platow and Fergus
- Playtime Ware
- Playtime Wear
- Playway Co
- Plexeal
- Pleyel, Lyon and Co
- Pleyel, Wolff and Co
- J. G. Plumb and Sons
- B. S. Plummer
- A. J. Plunkett and Co
- Plus Gas Co
- Plus Power Engine Co
- Plus-Gas Generator Co
- Plutte Scheele and Co
- Plutte, Scheele and Co
- Plysyl Formwork
- Pneumatic Conveyance and Extraction
- Pneumatic Despatch Co
- Pneumatic Engineering Appliances Co
- Pneumatic Rubber Stamp Co (Buck's Patent)
- Pneumatic Saddle Cover Co
- Pneuvac Co
- Pocock Brothers
- A. E. Podmore and Co
- E. Podolsky and Co
- Poetter and Co
- Polack Tyre and Rubber Co
- Poland and Son
- Polikoff
- Polishers Supply Co
- Polivit Manufacturing Co
- J. E. Pollak
- Pollard Engineering Co
- E. Pollard and Co
- Benjamin Pollock
- J. Pollock, Sons and Co
- Polycell Products
- Polyfoil Papers
- Polygon Engineering
- Polygram Casting Co
- Polymark
- Polytechnic
- Polytechnic Cycling Club
- Polytechnic School of Photography
- Pomeroy Day Cream
- Pompadour Products
- Ponds
- Pontifex and Mallory
- Pontifex and Wood
- E. and W. Pontifex and Co
- Pontifex, Jacklin and Co
- R. Pontifex and Son
- Russell Pontifex
- Pool Clock Co
- Poole and Carpmael
- Poole and Lord
- Henry Poole and Co (London)
- John Poole
- Pooley and Austin
- Poor Clergy Relief Corporation
- Pope and Bradley
- Abraham Pope
- Courtney Pope
- J. Pope
- Pope and Son
- William Pope (Saddler)
- Poplar Dock
- Poplar Gas Light Co
- H. S. Popplewell
- Popular Publishing Co
- Porn and Dunwoody
- Port Line
- Port of London