1937 The Aeroplane Directory of the Aviation and Allied Industries

Misc

• Diamond H Switches
• Geographia
• “H Diamond” Switches
• Monitor Patent Safety Devices
• “Nesta”
• Triplex Northern
• “Weser” Flugzeugbau Gesellschaft

A

• AC-Sphinx Sparking Plug Co
• A. A. Brazier and Co
• A. A. D. La Touche
• A. A. Godwin and Son
• A. Adkins and Sons
• A. and A. J. Law
• A. and J. Main and Co
• A. Arnold and Co
• A. B. C. Motors
• A. B. Gibbons
• A. Batchelor
• A. Burnwell and Co
• A. C. Cossor
• A. Jackaman and Son
• A. C. M. Jackaman
• A. C. Sproston
• A. C. Wells and Co
• A. C. Wickman
• A. Collinge
• A. D. S. Barr
• A. Dobson
• A. E. Bennett and Co
• A. E. Dobell
• A. E. F. Manufacturing Co
• A. E. H. Campbell
• A. E. H. Coltman
• A. E. Harris and Co
• A. E. Harris and Co Birmingham
• A. E. Jolivet
• A. E. Skinner and Co
• A. F. Hill
• A. Finney and Co
• A. G. fur Dornier-Flugzeuge
• A. G. G. Marshall
• A. G. Poole
• A. Green and Sons
• A. H. Wheeler
• A. H. Wilkie and Co
• A. Henshaw
• A. Hopkinson
• A. J. Holladay and Co
• A. J. Linnell
• A. J. Walter
• A. Jackaman and Son
• A. Kay and Sons
• A. M. Richardson
• A. Macnair and Co
• A. N. T. Rankin
• A. O. Roth
• A. P. Lundberg and Sons
• A. P. Newall and Co
• A. P. Thurston and Co
• A. Phillips
• A. Q. Cooper
• A. R. Colman
• A. R. Senior
• A. Reyrolle and Co
• A. S. Bacon and H. S. Butts
• A. S. Bathard and Co
• A. S. Butler
• A. S. Walter, Tovarny Na Automobily a Letecke Motory
• A. S. Zlinska letecka
• A. Sanderson and Co
• A. Southern and Co
• A. V. Roe and Co
• A. V. Tomkins
• A. W. Martin and Co
• A. W. Weyman and Partners
• A-1 Electric Welding Appliances
• Abbey Coachworks
• Abbott, Anderson and Abbott
• Aberdeen Airways
• Abies Battery Co
• Abies Battery Co (1927)
• Abis and Co
• Abis and Co Birmingham
• Accles and Pollock
• Accles and Shelvoke
• Accurate Recording Instrument Co
• Acme Electrical Manufacturing Co
• Acme Lock Nut Co
• Acme Lock Nut Co (Shaws Patent)
• Acme Spring Co
• AC-Sphinx Sparking Plug Co
• Acton and Borman
• Acton Manufacturing Co
• Adam and Lane and Neeve
• Adamant Engineering Co
• Adams and Co
• Adams and Co, London - could this refer to A. Adams and Co?
• Adastra Airways
• Adcock and Shipley
• Adcocks
• Adlerwerkevorm, Heinrich Kleyer A. G.
• Adolphe Crosbie and Co
• Advance Motor Manufacturing Co
• Aer Lingus Teoranta
• Aeraspray Manufacturing Co
• Aerial Photographic Co
• Aerial Sites
• Aerial Transport Company of Siam
• Aeronautical and Panel Plywood Co
• Aero Club Brasileiro
• Aero Club de France
• Aero Club der Schweiz
• Aero Club of India and Burma
• Aero Club of the Polish Republic
• Aero Club Royal d’Egypte
• Aero Engineering Corporation
• Aero Engines
• Aero Lloyd Iguassu, S.A.
• Aero Motor Spirit Co
• Aero O/Y
• Aero Piston Ring Co
• Aero Precision Machinists
• Aero Research
• Aero Services
• Aero Tovarna Letadel Dr. Kabes
• Aero-Club del Peru
• Aero-Club of Greece
• Aero-Club von Deutschland
• Aerofilms
• Aeroflot
• Aerograph Co
• Aeroklub of the Czechoslovak Republic (Aeroklub Ceskoslovenskie)
• Aeromarine
• Aeromaritime (Compagnie des Chargeurs Reunis)
• Aeronautica d’Italia
• Aeronautica Macchi, S.A.
• Aeronautical Chamber of Commerce of America
• Aeronautical Corporation of Great Britain
• Aeronautics
• Aeronaves de Mexico, S.A.
• Aeropilot
• Aeroplane and Motor Aluminium Castings
• Aeroplanes Henry Potez
• Aeroplanes Morane-Saulnier
• Aeroposta Agentina, S.A.
• Aeropostal Venezolana]]
• Aeroput (Yugoslavia)
• Aeroput (Greece)
• Aerostyle
• Aerovias Nacionales (Sur Malek)
• Aerovias Nacionales Empresa Roman Macaya
• African Air Services
• African Air Transport
• African Explosives and Industries
• African Flying Services
• Agra Engineering Co
• Agra Engineering Co (1934)
• Air Afrique (Commandant d’Agnaux)
• Air Agency
• Air Commerce
• Air Dispatch
• Air Ducts
• Air Estates
• Air France
• Air France (Chile)
• Air France (Czechoslovakia)
• Air France (France)
• Air France (Greece)
• Air France (Hungary)
• Air France (India)
• Air France (Poland)
• Air France (Roumania)
• Air France (Yugoslavia)
• Air France and Deutsche Luft Hansa (Bulgaria)
• Air Greasecup Co
• Air Hire
• Air Industrial Developments
• Air League of the British Empire
• Air Lines (W.A.)
• Air Lines of Australia
• Air Log Co
• Air Publicity
• Air Pumps
• Air Sales and Service
• Air Service
• Air Service Training
• Air Survey Co
• Air Taxi Co
• Air Taxis
• Air Transport and Sales
• Air Transport Manufacturing Co
• Air Travel
• Air Travel, New Zealand
• Air Trips
• Air Vice-Marshal A. E. Borton
• Airco
• Aircraft Association
• Aircraft Components
• Aircraft Distributors
• Aircraft Exchange and Mart
• Aircraft Facilities
• Aircraft General Supplies
• Aircraft Industries Corporation
• Aircraft Materials
• Aircraft Mechanics
• Aircraft Operating Company of Africa
• Aircraft Patents
• Aircraft Propellers
• Aircraft Research and Development Co
• Aircrafts Pty.
• Air-France (Brazil)
• Airports
• Air-Roads and Patents
• Airscrew Co
• Airspares
• Airspeed
• Airspeed (1934)
• Airways Union
• Airwork
• Airworthiness
• Akciova Spolecnost Pro Prumysl Letecky
• Aktiebolaget Aerotransport (Swedish Air Lines)
• Aktiebolaget Svenska Jarnvagsverkstaderna
• Ala Littoria (Egypt)
• Ala Littoria, S.A. (Greece)
• Ala Littoria, S.A. (Italy)
• Ala Littoria, S.A. (Albania)
• Alabastine Co British
• Alan Cobham Aviation
• Aland Fan Co
• Aland Fan Co (Aland and Co)
• Albany Engineering Co
• Albastine Co
• Albert Jagger
• Albion Drop Forgings Co
• Albion Foundry
• Albion Oils
• Aldis Brothers
• Alec Lindsay M.I.E.E.
• Alex Jacob and Co
• Alex Tough and Son
• Alexander Duckham and Co
• Alexander Shanks and Son
• Alexander Tough and Son
• Alexander Wright and Co
• Alexander, Herbert and Co
• Alfred A. Corre and Co
• Alfred A. Odoni and Co
• Alfred Beebee
• Alfred Come (Schweizerische Flugzeugfabrik)
• Alfred Grindrod and Co
• Alfred Herbert
• Alfred Hopps Sons and Co
• Anglo-American Vulcanized Fibre Co
• Alkit
• Alklum Storage Batteries
• Allan, Arthur and Ure
• Allen, Edgar and Co
• Allen, Harrison and Co
• Alley and Maclellan
• Alliance Petroleum Marketing Co
• Allott, Jones and Co
• Alnwick Construction and Engineering Co
• Alpar, Schweiz Luftverkehrs, A. G.
• Altigraph
• Aluminium Corporation
• Aluminium Equipment Co
• Aluminium Plant and Vessel Co
• Aluminium Union
• Alva
• Alvis
• Alvis Straussler
• Amal
• Amalgams Co
• American Airlines
• Ames Crosta Mills and Co
• Andersons Rubber Co
• Andrew G. Soutter and Co
• Andrew H. Baird
• Andrew Johnson and Son
• Andrew Womersley and Son
• Andrews Toledo
• Anglo Abrasive Works
• Anglo-American Oil Co
• Anglo-American Vulcanized Fibre Co
• Anglo-Bosphorus Oil Co
• Anglo-Iranian Oil Co
• Anglo-Swiss Electrical Co
• Anglo-Swiss Screw Co
• Ansett Airways (Pty.)
• Anti-Attrition Metal Co
• Antifyre
• Antwerp Aviation Club
• Appleton and Howard
• Arado Flugzeugwerke, G. m. b. H.
• Archer Works Engineering Co
• Archibald Pearce and Co
• Architectural Services
• Arens Controls
• Argonaut Aircraft Co
• Argus Motoren, G. m. b. H.
• Armstrong Cork Co
• Armstrong Siddeley Motors
• Army Aircraft Factory (Kjeller Flyfabrikk)
• Arnott and Harrison
• Arnott and Harrison (1928)
• Arora Co
• Arrow Aircraft
• Arrow Aircraft and Motor Corporation
• Arrow Electric Switches
• Arthur B. Williams
• Arthur Balfour and Co
• Arthur Chester
• Arthur Holden and Sons
• Arthur J. T. Goss and Co
• Arthur L. Gibson and Co
• Arthur Lee and Sons
• Arthur Raybould
• Arthur Smart and Sons
• Aryton and Co
• Asahi Periodical Air Navigation Society
• Asbestos Corporation
• Asbestos Fireproof and General Paint Co
• Asbestos Quarries
• Asiatic Petroleum Co
• Askey and Quine
• Assam Oil Co
• Associated Belting Co
• Associated Belting Companies
• Associated Electric Welders
• Associated Fire Alarms
• Association of British Chemical Manufacturers
• Association of Drop Forgers and Stampers
• Astral Engineering Co
• Astral Oils and Disinfectants
• Atlantic Coast Air Services
• Atlas Air Services
• Atlas Carbon and Battery Co
• Atlas Diesel Co
• Atlas Metal and Alloys Co
• Atlas Preservative Co
• Attwater and Sons
• Aublet Homer and Co
• Auster
• Austin and Hayes
• Austin Motor Co
• Australian National Airways (Pty.)
• Austroflug
• Auto Diesels
• Auto Fire Protection
• Autocar Electrical Co
• Auto-Klean Strainers
• Automobile Association (Aviation Department)
• Automotive Engineering Co
• Automotive Products Co
• Automotive Spares
• Autoset Clamp Co
• Auto-Union, A. G.
• Aveling-Barford
• Avery Equipment
• Avery-Hardoll
• Avia Akciova Spolecnost Pro Prumysl Letecky
• Aviatik Beider Basel
• Aviation and General Insurance Co
• Aviation Commerce
• Aviation Council (Japan)
• Aviation Developments
• Aviation Holding Co
• Aviation Manufacturing Corporation
• Avions Amiot (S.E.C.M.)
• Avions Caudron-Renault
• Avions Henri, Maurice et Dick Farman
• Avions Legers Leopoldoff
• Avions Marcel Bloch
• Avions Mauboussin
• Ayrton and Co

B

• B. Bunston-Roberts
• B. E. N. Patents
• B. French
• B. H. Pottier and Co
• B. H. Saunders and Co
• B. Haar
• B. J. Hall and Co
• B. J. Piper
• B. L. Pewtress
• B. Selier
• B.M.W.-Flugmotorenbau, G. m. b. H.
• Back and Lindgren
• Baird and Tatlock (London)
• Bakelite
• Baldwin, Son and Co
• Baldwins
• Bamfords
• Bank Bridge Works
• Banks and Sons
• Barimar
• Barkley-Grow Aircraft Corporation
• Barlow and Chidlaw
• Barrett, Tagant and Gotts
• Bartoline (Hull)
• Barton Rivet Co
• Bastian and Allen
• Bates and Nortcliffe
• Batteries
• Baume and Co
• Baxter, Fell and Co
• Baxters Bolt, Screw and Rivet Works
• Bayerische Flugzeugwerke, A.G.
• Beard and Fitch
• Bearings Service Co
• Beckett, Laycock and Watkinson
• Beech Aircraft Co
• Beldam Asbestos Co
• Beldam Packing and Rubber Co
• Belfast Ropework Co
• Bell Aircraft Corporation
• Bell Rock Belting Co
• Bells Asbestos and Engineering Supplies
• Bellanca Aircraft of Canada
• Belliss and Morcom
• Beltfasteners
• Belting and Mechanical Leather Co
• Ben O. Howard
• Bendix
• Benjamin Electric
• Benjamin Whittaker
• Benton and Stone
• Berger, Lewis and Sons
• Bergougnan Tyre Co
• Berkefeld Filters and Water Softeners
• Berry Wiggins and Co
• Besler Systems
• Bessbrook Spinning Co
• Bibby Garnock and Co
• Bifurcated and Tubular Rivet Co
• Billington and Newton
• Birkett Air Service
• Birmingham Aluminium Castings Co
• Birmingham Belting Co
• Birmingham Electric Furnaces
• Birmingham Medal Co
• Birmingham Products
• Birmingham Tool and Gauge Co
• Bitulac
• Black and Decker
• Blackburn Aeroplane and Motor Co
• Blackburn Aircraft
• Blackburn and Crawshaw
• Blackpool and West Coast Air Services
• Blackstone and Co
• Blackwells Metallurgical Works
• Blakemore and Co
• Bleriot-Aeronautique
• Bloctube Controls
• Bloctube Controls (R. Tampier)
• Blundell, Spence and Co
• Blundells and T. Albert Crompton and Co
• Bo’ness Iron Co
• Boeing Aircraft of Canada
• Bolt and Nut Co (Tipton)
• Boneham and Turner
• Boodle and Dunthorne
• Bosch
• Boston Blacking Co
• Boulton and Paul
• Boulton Paul Aircraft
• Bowden (Engineers)
• Bowen and Co
• Bowketts Wire Mills
• Bowleys
• Bowmaker
• Boyriven
• Boyriven (Hardware)
• Bradley and Burch (Ilford)
• Bradley Brothers
• Bradshaws International Air Guide
• Brake Linings
• Brandenburgische Motorenwerke, G. m. b. H.
• Braniff Airways
• Bray Hawkhead and Son
• Bray, Gibb and Co
• Brayshaw Furnaces and Tools
• Bretts Stamping Co
• Brian Allen Aviation
• Brian Lewis and Co
• Bridge Foundry Co
• Brierley, Edmund
• Bristol Aeroplane Co
• Bristol Channel Airways
• Bristol Manufacturers
• Bristol Pneumatic Tools
• Britannia Batteries
• British Acheson Electrodes
• British Aero Components
• British Air Transport
• British Aircraft Manufacturing Co
• British Airways
• British Airways (Sweden)
• British Aluminium Co
• British Anodising
• British Anzani Engineering Co
• British Aviation Insurance Co
• British Belting and Asbestos
• British Celanese
• British Cellulose Lacquers
• British Coal Petrol Mixture
• British Coastal Airways
• British Continental Airways
• British Cystoscope Co
• British Driver Harris Co
• British Ebonite Co
• British Equipment Co
• British Glasruit
• British Glues and Chemicals
• British Hard Rubber Co
• British Hose and Appliances Co
• British Industrial Gases
• British Industrial Plastics
• British Instrument Co
• British Insulated Cables
• British Landing Gears
• British Lock Washers
• British Manzel Oil Pump Co
• British Marine Aircraft
• British Metallic Packings Co
• British Metallic Packings Co (1933)
• British Mica Co
• British Oxygen Co
• British Piston Ring Co
• British Portland Cement Manufacturers
• British Power Boat Co
• British Pressed Panels
• British Rawhide Belting Co
• British Rola Co
• British Rolling Mills
• British Ropes
• British Salmson Aero Engines
• British Scandinavian Airways
• British Scientific Instrument Research Association
• British Screw Co
• British Separators
• British Standard Institutions
• British Steelwork Association
• British Thermit
• British Thomson-Houston Co (BTH)
• British Timken
• British Trolley Track Co
• British Tyre and Rubber Co
• British Vulcanised Fibre
• British Xylonite Co
• British-American Air Services
• Britoyl Lubricants
• Bromley-Langton Electric Wire and Insulator Co
• Brooke Tool Manufacturing Co
• Brookes (Oldbury)
• Brookhirst Apparatus Co
• Brookhirst Switchgear
• Brooklands Aviation
• Broom and Wade
• Broughton-Blayney Aircraft Co
• Brown and Forth
• Brown, Bayleys Steel Works
• Brown Brothers (Aircraft)
• Bruce Peebles and Co
• Bruntons (Musselburgh)
• Brush Electrical Engineering Co
• Bucker Flugzeubau, G. m. b. H.
• Buckley, Saunders and Co (Pontelec)
• Builders Copper Tube Supply Co
• Bull Motors
• Bullers
• Bulls Metal and Melloid Co
• Bulpitt and Sons
• Bunhill Publications
• Burberrys
• Burchs
• Burgess Products Co
• Burley
• Burmah Oil Co
• Burnelli Aircraft
• Burnelli Aircraft (Motor Division)
• Burt Brothers
• Burtonwood Motor and Aircraft Engineering Co
• Butler Air Transport Co
• Butlers Aero Works

C

• C. A. Baldwin and Co
• C. A. Nepean Bishop
• C. A. V. Bosch
• C. and B. Smith
• C. and J. Hampton
• C. and W. Walker
• C. B. Field
• C. B. Mills
• C. C. Wakefield and Co
• C. Churchill and Co
• C. D. Monniger
• C. E. Baker and Partner
• C. E. Berens
• C. E. Gardner
• C. E. Heinke and Co
• C. E. Horne
• C. E. Lambe
• C. E. Mercer
• C. F. Brooke
• C. F. R. Giesler
• C. F. R. Griffin
• C. Frost
• C. G. M. Alington
• C. G. Taylor
• C. G. Templer and Co
• C. G. Vokes
• C. Groom
• C. H. Cooper
• C. H. Johnson and Sons
• C. H. Leng and Sons
• C. H. Robinson and Co
• C. H. Tutt
• C. Howitt
• C. J. Donada
• C. J. Edwards and Son
• C. L. Berrington
• C. L. W. Aviation Co
• C. L. W. Aviation Co (1936)
• C. Lindley and Co
• C. M. D. Engineering Co
• C. Ogle
• C. R. Averill
• C. R. Shoults
• C. S. Burney
• C. S. Napier
• C. V. Bolton, F. S. M. C.
• C. W. Callery and Co
• C. and W. Walker
• C. Watson
• A. C. Wickman
• Callenders Cable and Construction Co
• Carbonizing Corporation of Great Britain
• Cambridge Instrument Co
• Campbell Aircraft Co
• Canadian Airways
• Canadian Colonial Airways
• Canadian Flying Clubs Association
• Canadian Vickers
• Cantieri Aeronautici Bergamaschi (Caproni)
• Cantieri Riuniti Dell’Adriatico Monfalcone
• Capt. R. W. A. Brewer
• Captain G. De Havilland
• Captain I. C. Maxwell
• Captain I. O’B. MacGregor
• Captain J. K. Mathew
• Captain Merriam, A.F.C., A.F.R.Ae.S.
• Captain R. G. Cazalet
• Captain S. Burt
• The Honourable Captain Lionel Lambart
• Captain W. R. Bailey
• Carbic
• Carborundum Co
• Carden Aero Engines
• Carden-Baynes Aircraft
• Cardiff Foundry and Engineering Co
• Cargo Fleet Iron Co
• Carkeek and Sons
• Carl Zeiss (London)
• Carless, Capel and Leonard
• Carlos Mayse
• Carlos Panini
• Carobronze
• Carpenter and Tildesley
• Carron Company
• Cartright
• Cassel Cyanide Co
• Castle Leather Co
• Castleton Steam Packing Co
• Cattley, Ernest and Co
• Caxton Name Plate Manufacturing Co
• Caxton Steel Co
• Cedos Engineering Co
• Celestor Manufacturing Co
• Cellactite and British Uralite
• Cellon
• Celtic Stamping Co
• Cement Marketing Co
• Central Aerophoto Co
• Central Airlines
• Central American Air Transport Co (T. A. C. A.)
• Cercke Liegois d’Aviation de Tourisme
• Ceskomoravska-Kolben-Danek Co
• Chamier Gilbert-Lodge and Co
• Champion Sparking Plug Co
• Chance Brothers and Co
• Chance Vought Aircraft
• Chantiers Aero-Maritimes de la Seine
• Chantiers Aeronavals E. Romano
• Chapman Engineering Co
• Charles A. Betts and Co
• Charles Baker
• Charles Baughan
• Charles Benn and Sons
• Charles Churchill and Co
• Charles Clifford and Son
• Charles H. Pugh
• Charles Harrison and Co
• Charles Harrold and Co
• Charles Richards and Sons
• Charles S. Madan and Co
• Charles Taylor (Birmingham)
• Charles Tennant and Co
• Charles Weston and Co
• Charrier Mouldings
• Chatwin, Thomas and Co
• Chemical and Insulating Co
• Chesterfield Tube Co
• Chicago and Southern Airlines
• Child and Hewitt
• China National Aviation Corporation
• Chloride Electrical Storage Co
• Chrislea Aircraft Co
• Christiani and Nielson
• Christopher J. and Sons
• Chromates
• Churchill Machine Tool Co
• Cia Aeronautica de la Sierra, S. A.
• Cia Aeronautica del Sur, S. A.
• Cia de Aviacion Faucett, S. A.
• Cia de Transportes Aeros (Senor Gelabert)
• Cia Nacional Cubana
• Cia Transporte Aereos de Chipas, S. A.
• Cia Transportes Aereos de Veracruz, S. A.
• Cierva Autogiro Co
• Cinque Ports Aviation
• Cirrus Hermes Engineering Co
• Citex Fire Extinguisher Co
• City Sheet Metal Works
• Civil Aviation
• Civil Aviation (Tanganyika)
• Civil Aviation (Argentina)
• Civil Aviation (Australia)
• Civil Aviation (Austria)
• Civil Aviation (Belgium)
• Civil Aviation (Bolivia)
• Civil Aviation (Brazil)
• Civil Aviation (Bulgaria)
• Civil Aviation (China)
• Civil Aviation (Colombia)
• Civil Aviation (Costa Rica)
• Civil Aviation (Cuba)
• Civil Aviation (Czechoslovakia)
• Civil Aviation (Denmark)
• Civil Aviation (Egypt)
• Civil Aviation (Estonia)
• Civil Aviation (Finland)
• Civil Aviation (France)
• Civil Aviation (Greece)
• Civil Aviation (Holland)
• Civil Aviation (Hungary)
• Civil Aviation (India)
• Civil Aviation (Irish Free State)
• Civil Aviation (Latvia)
• Civil Aviation (Malaya)
• Civil Aviation (Mexico)
• Civil Aviation (New Zealand)
• Civil Aviation (Norway)
• Civil Aviation (Peru)
• Civil Aviation (Poland)
• Civil Aviation (Portugal)
• Civil Aviation (Roumania)
• Civil Aviation (Russia)
• Civil Aviation (Salvador)
• Civil Aviation (Siam)
• Civil Aviation (South Africa)
• Civil Aviation (Southern Rhodesia)
• Civil Aviation (Sweden)
• Civil Aviation (Switzerland)
• Civil Aviation (Turkey)
• Civil Aviation (U.S.A.)
• Civil Aviation (Uruguay)
• Civil Aviation (Venezuela)
• Civil Aviation (Yugoslavia)
• Civil Aviation Office (Netherlands East Indies)
• Clare-Collets
• Clarke and Vigilant Sprinklers
• Clarke, Chapman and Co
• Clarkes (Redditch)
• Claude-General Neon Lights
• Clay and Atkinson
• Clayton Dewandre Co
• Clayton Folkerts
• Cleveland Oil Co
• Cleveland Petroleum Products Co
• Cleveland Product Co
• Clews Petersen Piston Ring and Engineering Co
• Clive Greenway, Vale and Co
• Club Aeronautique Caroloregien
• Clyde Aero Engine Co
• Clyde Alloy Steel Co
• Clyde Crane and Engineering Co
• Colas Products
• Colbit
• Colledge and Bridgen
• Collins and Son
• Colombo
• Colonel J. F. Turner
• Colvilles
• Comdr. C. Croxford
• Commercial Air Hire
• Commercial Aviation (Chile)
• Commercial Aviation Co Pty.
• Compagnia Nazionale Aeronautica
• Compagnie Air-France
• Compagnie des Avion Hanriot
• Compagnie Lilloise de Moteurs
• Compania de Aviacion Condor
• Compania de Aviacion Pan-Americana Argentina, S.A.
• Compania Mexicana de Aviacion, S. A.
• Compania Nacional de Aviacion (T. A. C. A.)
• Companias Aerovias Centrales, S. A.
• Comper Aeroplanes
• Connolly Brothers (Curriers)
• Consolidated Aircraft Corporation
• Consolidated Pneumatic Tool Co
• Constructions de Planeurs a Moteur Auxiliare
• Continental Motors Corporation (Aircraft Engine Division)
• Cook Strait Airways
• Cooke, Troughton and Simms
• Cookson Lead and Antimony Co
• Cooper and Sons (Sheffield)
• Cooper, Webb-Jones and Co
• Coopers Garage (Surbiton)
• Cooper-Stewart Engineering Co
• Corfield and Buckle
• Cork Insulation Co
• Cork Manufacturing Co
• Corona Engineering Co
• Costruzioni Meccaniche Aeronautiche, S. A.
• County Chemical Co
• Coventry Gauge and Tool Co
• Coventry Magneto Co
• Coventry-Victor Motor Co
• Cramlington Aircraft
• Cranford Manufacturing Co
• Craven and Speeding Brothers
• Craven Brothers (Manchester)
• Crawford Hughes and Co
• Crawley, Parsons and Co
• Cressall Manufacturing Co
• Croager Brothers
• Crofts (Engineers)
• Cromil and Piercy
• Crompton Parkinson
• Crosbie, Adolphe and Co
• Crosby Engineering Co
• Cross Alloy Cylinders
• Crossley Brothers
• Crouch-Bolas Aircraft Corporation
• Croydon Airways
• Croydon Cable Works
• Crypto Electric Co
• Crystalate Gramophone Record Manufacturing Co
• Cub Aircraft
• Curtis Manufacturing Co
• Czechoslovak Aviation Co
• Czechoslovak State Air Lines

D

• D. Anderson and Son
• D. Brown and Sons
• D. C. Durgoyne
• D. F. W. Atcherley
• D. H. Bonnella and Son
• D. K. Fairweather
• D. Lewis
• D. M. Henderson and Co
• D. Mitchell and Co
• D. Morgan Rees and Sons
• D. Napier and Son
• D. P. Battery Co
• D. R. Pobjoy
• D. Schreiber, M.V.O.
• Dacier
• Daimler-Benz, A. G.
• Danks, Edwin and Co (Oldbury)
• Dargue Acetylene Gas Co
• Darjavna Aeroplanna Robotilnitza
• Darlington Rolling Mills Co
• Darlington Wire Mills
• Darmstadt University Aviation Society
• Dart Aircraft
• Dart Spring Co
• Darwins
• Dashwood and Partners
• Davey and Co
• Davey and Co London
• David and Leslie Keay
• David Baxter and Sons
• David Bentley (Leicester)
• David Harcourt
• David J. Patton (1934)
• David Keay and Leslie
• David Moseley and Sons
• David Powis and Sons
• David Rowell and Co
• David Waddell and Sons
• Davidson and Co
• Davies Brothers (Asphalters)
• Davies Coleman and Co
• Richard Davies Leather Co
• Davis and Timmins
• Davis Gas Stove Co
• De Bergues Patents
• De Havilland Aircraft Co
• De Havilland Aircraft of Canada
• Dee Oil Co
• Del Guerra Oilskin Manufacturing Co
• Delco Remy and Hyatt
• Deloro Smelting and Refining Co
• Delta Airlines
• Delta Metal Co
• Demolition and Construction Co
• Denbigh Engineering Co
• Denhams Engineering Co
• Dening and Co
• Dennis Brothers
• Dennis Millar and Co
• Dennis, Adams and Co
• Dent and Co and Johnson
• Derby Cables
• Deritend Stamping Co
• Deruluft (Latvia)
• Deruluft (Lithuania)
• Deruluft (Russia)
• Desmo
• Desoutter Brothers
• Det Dankse Luftfartselskab, A. S. (D.D.L.)
• Det Kongelige Danske Aeronautiske Selskab (The Royal Danish Aeronautical Society)
• Det Norske Luftfartselskap Fred. Olsen and Bergenske, A/S
• Deutsche Luft Hansa (Yugoslavia)
• Deutsche Luft Hansa, A. G. (Czechoslovakia)
• Deutsche Lufthansa, A. G. (Germany)
• Deutsche Lufthansa, A. G. (Greece)
• Deutsche Zeppelin Redderei
• Deutscher Luftsport-Verband, E. V.
• Deutsche-Russiche Luftverkehrs-Gesellschaft
• Diagrid Structure
• Dicks Asbestos Co
• Dixon Corbitt
• Dixon, Powner and Sons
• Dixonia
• Dixons, Cardiff and South Wales Ropeworks
• Dobbie, McInnes and Clyde
• Dobbs Brothers and Hitchman
• Docker Brothers
• Dod Brothers
• Dominion Motor Spirit Co
• Dominion Skyways
• Donald Brown (Brownall)
• Donovan Electrical Co
• Dorman and Smith
• Dornier Metallbauten, G. m. b. H.
• Doswiadczalne Warsztaty Lotnicze
• Douglas, Lawson and Co
• Dover
• Dowsing Co (Electrical Manufacturers)
• Dowson and Mason Gas Plant Co
• Drake and Dahm (Translators)
• Drayton Regulator and Instrument Co
• Drysdale and Co
• Du Bois Co
• Duchess of Bedford
• Duke, Waring, Crisp and Co
• Duncan Watson (Electrical Engineers)
• Dunford and Elliott (Sheffield)
• Dunlop and Ranken
• Dunlop Rubber Co
• Durastic Bituminous Products
• Durex Abrasives
• Dussek Bitumen and Taroleum
• Duston and Co (Inc. G. and P. Hookham)

E

• E. A. and H. Sandford
• E. A. Mason
• E. A. Morgan
• E. A. Powrie
• E. A. Roper and Co
• E. A. Warth
• E. and F. Richardson
• E. Austin and Sons (London)
• E. B. Meyrowitz
• E. B. Sloan
• E. Baker
• A. E. Bennett and Co
• E. C. Paget
• E. Cecil Kny
• E. Ch. de Law
• E. Claybourne and Co
• E. D. Abbott
• E. D. Spratt
• E. D. Ward
• E. Dent and Co
• E. E. Marsh
• E. F. Walter
• E. G. Acheson
• E. G. Brown and Co
• E. G. Croskin
• E. G. Davis
• E. G. H. Forsyth
• E. Goddard
• E. H. Chambers
• E. H. F. Fuller
• E. H. Gray
• E. H. Wheelwright
• E. H. Whitehouse and Co
• E. Hawkesworth and Co
• E. Hill Aldam and Co
• E. J. D. Guild
• E. J. Jobling-Purser
• E. J. Rawlins and Co
• E. James and Co
• E. Kalker and Co
• E. L. Donner
• E. M. Evans and Son
• E. M. Lamb
• E. N. Bray
• E. P. Allam and Co
• E. P. Barrus
• E. P. Fairburn
• E. R. Plugs
• E. Small and A. D. Hardie
• E. Thomas
• E. V. Beaumont
• E. W. Hart
• E. W. Kendrew
• E. W. Puckert
• E. W. Walford
• E. W. Wollaston
• Eagle Engineering Co
• Eagle Oil and Shipping Co
• Ealing Park Foundry
• Earl of Cardigan
• Earl of Dudleys Round Oak Works
• Earl of Essex
• Earle, Bourne and Co
• Earle, Stanley and Co
• Easilit Blow Lamp Co
• East Coast Airways
• East London Paint and Varnish Co
• East Midland Aviation Co
• Eastern Airlines
• Ebonestos Industries
• Ebonite Container Co
• Edgar Allen and Co
• Edison Swan Electric Co
• Edmiston, Brown and Co
• Edmund Brierley
• Educational Supply Association
• Edward G. Herbert
• Edward Joy and Sons
• Edward Pryor and Son
• Edward Stanford
• Edward Webb and Sons (Stourbridge)
• Edward Wilcox and Co
• Edwin Danks and Co (Oldbury)
• Effingham Steel Works
• Elders Colonial Airways
• Electric Construction Co
• Electric Resistance Furnace Co
• Electric Welders (Slough)
• Electrical Apparatus Co
• Electrical Auto Services Co
• Electrical Illuminating Co
• Electrical Power Engineering Co (Birmingham)
• Electrical Screw
• Electro Dynamic Construction Co
• Electrona Electrical Products
• Elliott Brothers (London)
• Elliotts Metal Co
• Ellis and Coe
• Ellison Insulations
• Ellison Kayser and Co
• Empire Rubber Co
• Empire Spring Co
• Empresa Nacional de Transportes Aereos (E.N.T.A.)
• Empreze de Viacao Aerea Rio Grandense
• English Steel Corporation
• En-Tout-Cas Co
• Epidaurus Trust
• Equipment and Engineering Co
• Erla-Machinenwerk, G. m. b. H.
• Ernest Cattley and Co
• Ernest Lake
• Ernest Turner
• Ernst Heinkel Flugzeugwerke, G. m. b. H.
• Erskine, Heap and Co
• Espenlaub-Flugzeugbau
• Essex Aero
• Essor Manufacturing Co
• Etablissements E. Train
• Etablissements Liore-et-Olivier
• Etablissements Pierre Mengin
• Eurasia Aviation Corporation
• Euston Ignition Co
• Eve
• Everclean Antifoulings
• Everett, Edgcumbe and Co
• Everitt and Co
• Evershed and Vignoles
• Ewarts
• Exactor Control Co
• Excelsior Motor Radiator Co
• Exe Engineering Co
• Exors. of James Mills
• Eyre Smelting Co

F

• F. A. Hughes and Co
• F. A. I. Munz
• F. A. Pullen and Co
• F. B. Chapman
• F. C. Fisher
• F. C. J. Butler
• F. Davis
• F. Dowler and Sons
• F. Drake and Co
• F. E. Buckland
• F. E. Rowland and Co
• F. E. Tasker
• F. E. Tranter and Co
• F. G. Ketelbey (A.M.I.E.E.)
• F. G. Miles
• F. G. Tennant
• F. Giles and Son
• F. Gough
• F. H. Matsuch
• F. Hattersley Pickard and Co
• F. Hills and Sons
• F. Hulme and Co
• F. J. A. Cameron
• F. J. Ballard and Co
• F. J. Cleare
• F. J. Cleveland and Co
• F. J. Edwards
• F. L. Ingall
• F. Lefevre
• F. Lipscombe and Co
• F. McNeill and Co
• F. O. Soden
• F. Price and Son (Stampers)
• C. F. R. Giesler
• F. Reddaway and Co
• F. S. Dudgeon and Havart
• F. Turner (Art Metal)
• F. W. Green
• F. W. Potter and Soar
• Fabram
• Fabrica Automobili Isotta-Fraschini
• Fabrika Aeroplana 1 Hidroplana Zmaj
• Fahlin Aircraft Co
• Fairby Construction Co
• Fairchild Aircraft
• Fairey Aviation Co
• Fairey. Societe Anonyme Belge “Avions Fairey” S.G.B.A.
• Falcon Oil Co
• Falkirk, Carron Co
• Feeny and Johnson
• Felco Hoists
• Ferguson and Timpson
• Ferodo
• Ferranti
• Ferro-Arc Welding Co
• Ferrox Co
• Fescol
• Fibrax
• Fielder Glazing Co
• Fieseler-Flugzeugbau, G. m. b. H.
• Filma Burners
• Findlay and Co
• Firestone Tyre and Rubber Co
• Firth Co
• Firth-Derihon Stampings
• Firth-Vickers Stainless Steel
• Flather
• Flather and Co
• Fleet Aircraft of Canada
• Fleet, Roberts
• Fleetwing Oil Co
• Fleetwings
• Fletcher Brothers
• Fletcher Miller
• Flexible Shaft Manufacturing Co
• Flexo Plywood Industries
• Flextol Engineering Co
• Flight Publishing Co
• Flugzenban Grenchen
• Flugzeugbau Bernhard Scheller
• Flyer Training
• Flying Training
• Foamite Firefoam
• Focke-Wulf Flugzegbau, A. G.
• Fordath Engineering Co
• Forward Oil Co
• Forward Radiator Co
• Forward Sparking Plug Co
• Foster Engineering Co
• Foster Instrument Co
• Foster Wikner Aircraft Co
• Fox and Offord
• Francis J. Field
• Francis Morton and Co
• Francis Paisley
• Francis Wood and Son
• Franco Signs
• Frank How and Co
• Frank L. Anderson
• Frank Wigglesworth and Co
• Franki Compressed Pile Co
• Fraser and Fraser
• Fraser Brothers and Grant
• Frederick Braby and Co
• Frederick Crane Chemical Co
• Frederick Mountford (Birmingham)
• Frederick Wright and Co
• Freeman Heating Co
• Fry's (London)
• Frys Metal Foundries
• Fulcher and Co
• Fulham Pottery and Cheavin Filter Co
• Fuller Accumulator Co
• Fuller Accumulator Co (1926)
• Fuller Electrical and Manufacturing Co
• Fyfe, Wilson and Co

G

• G. A. Essex
• G. and J. Paton
• G. and J. Weir
• G. and M. Lane and Co
• G. Bemridge
• G. Brady and Co
• G. C. Maxwell, M.C., D.F.C., A.F.C.
• G. D. Peters and Co
• G. E. Mortley-Sprague and Co
• G. E. N. Everett
• G. E. Prior-Palmer
• G. E. T. Eyston
• G. E. Wallis and Sons
• G. Ellis and Co
• G. F. Briggs
• G. H. Robinson and Son
• G. H. Smith and Co
• G. H. Wilson-Fox
• G. L. A. France
• G. L. Prendergast
• G. Linnell
• G. N. Haden and Sons
• G. P. Dennis
• G. P. E. and E. F. E. Howard
• G. Q. Parachute Co
• G. R. Armstrong and J. Shand
• G. R. Jones and Co
• G. R. Speaker and Co
• G. S. Davison
• G. S. Ogilvie
• G. S. Peckham and Co
• G. Scott-Pearse
• G. Sonneborn and Co
• G. T. Hawkins
• G. W. Garnett
• G. W. Hall
• G. W. Harben
• G. W. Higgs
• G. Wadsworth and Sons
• Gabriel and Co
• Gale and Polden
• Gallay
• Gambrells, Rowse and Snoaden
• Garden-Baynes Aircraft
• Garnock, Bibby and Co
• Gataverken
• Gaunt and Hickman
• Gay Brothers
• Gear Grinding Co
• General Aircraft
• General Airways
• General Celluloid Co
• General Electric Co
• General Fire Appliance Co
• Gent and Co
• Geoge Purdom and Co
• Geographia
• George Angus and Co
• George Baker
• George Banham and Co
• George Bennett and Sons
• George Brown and Brothers
• George Burn
• George Cohen, Sons and Co
• George Emmott (Pawsons)
• George Emmott (Rawsons)
• George Green and Co
• George H. Elt
• George H. Rome
• George Hatch
• George Hill and Co
• George Jowitt and Sons
• George Painter and Co
• George Purdom and Co
• George Russell and Co
• George Salter and Co
• George Spencer Moulton and Co
• George Sumner
• George Swift and Sons
• George Taylor (Brass Founders)
• George Taylor (Brass Sprayers)
• George Tucker Eyelet Co
• George Turton, Platt and Co
• George Whalley and Co
• Germ Lubricants
• Gibson (West Bromwich)
• Gieves
• Gill Rhodes Co
• Gillett, Stephen and Co
• Gilt Edge Safety Glass
• Gimson and Co (Leicester)
• Giro Aviation Co
• Gittings and Hills
• Glacier Metal Co
• Glasgow Electrical Engineering Co
• Glass Sealer Co
• Glasso Paint Products
• Gledhill-Brook Time Recorders
• Glenfield and Kennedy
• Gloster Aircraft Co
• Gloucester Foundry
• Glover Brothers (Mossley)
• Glyco Metal Co
• Godins
• Goodyear Tyre and Rubber Co (Great Britain)
• Gothaer Waggonfabrik, A. G.
• Gothic Electrical Supplies
• Gourdov-Lesseurre
• Govan Shafting and Engineering Co
• Government Workshops (Portugal)
• Gramophone Co
• Grant and West
• Granville, Miller and de Lackner
• Graphite Oils Co
• Greases
• Great British Rubber Co
• Great Lakes Aircraft Corporation
• Greek National Aircraft Factory
• Greenway, Clive, Vale and Co
• Gresham and Craven
• Grierson
• Griffin and Tatlock
• Griffith Brewer
• Gross Sherwood and Heald
• Grosvenor and Co (London)
• Grosvenor Electric Batteries
• Group Captain W. H. Primrose, A.F.C., R.A.F.
• Grover Loening Aircraft Co
• Guernsey Airways
• Guest, Keen and Nettlefolds
• Guild of Air Pilots and Navigators of the British Empire
• Guinea Airways
• Gwinn Aircar Co
• Gwynnes Pumps

H

• H. A. Johannsen (Grimsby)
• H. A. Neale and Co
• H. A. Smith
• H. and E. Lintott
• H. B. G. Michelmore
• H. B. Legge and Sons
• H. Barnett and Co (London)
• H. Bednall
• H. Brammer and Co
• H. Case and Son
• H. Deterding
• H. Dodson and R. C. Caunce
• H. E. Ashdown (Birmingham)
• H. E. Evans
• H. E. Oils
• H. F. Bouskill
• H. G. Everitt
• H. G. Ross and Sons
• H. H. Cooke and Sons (Nottingham)
• H. H. Sykes
• H. Hemming and Partners
• H. Holliday
• H. J. Dolman
• H. J. Dunning and G. E. Ferguson
• H. J. Evans and Co
• H. J. Hardy
• H. J. Pratt and Co
• H. J. Stevens and Sons
• H. J. Tuckett
• H. J. Willis
• H. L. Johnson
• H. M. Hobson Components (Aircraft and Motor)
• H. M. Schofield
• H. N. St. V. Norman
• H. Petre
• H. Pritchett
• H. R. A. Edwards
• H. R. A. Kidston
• H. R. Fields
• H. R. Presland
• H. R. Vaughan and Co
• H. S. Moss and Co
• H. Tinsley and Co
• H. W. Kearns and Co
• H. W. Ward and Co
• H. E. Oils
• Hadfields
• Haggerty, Lawrance and Co
• Hailwood and Ackroyd
• Halford Radio
• Hall and Hall
• Hall and Kay
• Hall and Pickles
• Hall-Aluminium Aircraft Corporation
• Hamburg Flugzegbau, G. m. b. H.
• Hammond Engineering Co
• Hampshire Ignition
• Handley Page
• Hanford Tri-State Airlines
• Harborough Aircraft Construction Co
• Hardman, Ingham and Dawson
• Hardy Spicer and Co
• Harland Engineering Co
• Harold Jackson
• Harper and Tunstall
• Harrison and Cook
• Harrison Brothers
• Harrison, Clark
• Harry J. Pratt and Co
• Hart Accumulator Co
• Harvey Frost and Co
• Haslams (Sheet Metal Workers)
• Hattersley and Davidson
• Hawker Aircraft
• Hawker Siddeley Aircraft Co
• Hawkes and Snow
• Hawkins and Tipson
• Hayes and Marvin
• Haywards
• Heath and Co
• Heath Aviation Co
• Heaton and Dugard
• Hebblethwaite Brothers
• Heenan and Froude
• Held Glue and Compounds Co
• Helvetia Leather Co
• Henri Mignet
• Henry Righton and Co
• Henry Bannister and Co
• Henry Bell and Co
• Henry Blacklock and Co
• Henry Browne and Son
• Henry Caton and Co
• Henry Caton and Co (1936)
• Henry Crossley (Packings)
• Henry F. Cockhill and Sons
• Henry Hewetson and Co (P. P. Shapland)
• Henry Hughes and Son
• Henry Milward and Son
• Henry Pels and Co
• Henry Righton and Co
• Henry Wiggin and Co
• Henschel Flugzeugwerke, A. G.
• Hepworth and Grandage
• Herbert Alexander and Co
• Herbert Morris
• Herbert Terry and Sons
• Herbert W. Bluck
• Heston Aircraft Co
• Hewitt, Wyndham
• Hewittic Electric Co
• Higgins and Cattle
• High Duty Alloys
• Highland Airways
• Hill Top Foundry Co
• Hirtenberger Patronen Zundhutchen-und Metallwarenfabrik
• Hirth-Motoren, G. m. b. H.
• His Majestys Stationery Office
• Hobbies
• Hobson and Sons (London)
• Hodgson and Hodgson
• Hoffmann Manufacturing Co
• Hoklykem
• Holbrook Machine Tool Co
• Holdens Air Transport Services
• Holman Brothers
• Holt and Willetts
• Holt, Siron and Co
• Homan and Rodgers
• Horace Green and Co
• Horseley Bridge and Thomas Piggott
• Houseman and Thompson
• Howard Butler
• Howard Hughes
• Howells (Electric Motors)
• Hoyt Metal Co of Great Britain
• Hubert H. P. Trist and Co
• Hudson and Wright
• Hugh J. Scott and Co (Belfast)
• Hughes and Lancaster
• Hughes-Johnson Stampings
• Hunt and Co
• Huntley and Sparks
• Hunton
• Hydran Products

I

• I. C. I. Metals
• I. Calvete
• I. H. List and B. W. Orton
• I. P. Tidman and Partner
• I. Scott
• Igna Sparking Plugs
• Igranic Electric Co
• Ikarus, A. D.
• Ilford
• Illston and Robson
• Iloilo-Negros Air Express Co
• Imeson and Finch
• Imperial Airways
• Imperial Airways (Tanganyika)
• Imperial Airways (Malaya)
• Imperial Airways (Bermuda)
• Imperial Airways (Continental)
• Imperial Airways (Czechoslovakia)
• Imperial Airways (Egypt)
• Imperial Airways (Far East)
• Imperial Airways (Greece)
• Imperial Airways (Nigeria and Gold Coast)
• Imperial Aluminium Co
• Imperial Chemical Industries
• Imperial School of Air Navigation
• Imperial Smelting Corporation
• Improved Liquid Glues Co
• Incandescent Heat Co
• Indestructible Paint Co
• India Tyre and Rubber Co
• Indian National Airways
• Indian Trans-Continental Airways
• Industrial Steels
• Ing. E. Sparmanns Flygplanverkstad
• Ing. P. Benes and Ing. J. Mraz Tovarna Na Letadla
• Ingersoll
• Ingersoll-Rand Co
• Inniss and Riddle
• Insulators
• Integral Auxiliary Equipment
• International Aviation Authority
• International Cotton Waste Co
• International Aviation Agency
• International Correspondence Schools
• International Cotton Waste Co
• International Model Aircraft
• Ioco Rubber and Waterproofing Co
• Ipswich Airport
• Irish Aero Club
• Irish Arc Welding Co
• Irrawaddy Flotilla and Airways
• Irving Air Chute of Great Britain
• Irwin and Jones
• Isaiah Platt
• Isenthal and Co
• Isola Manufacturing Co

J

• J. A. H. Parker
• J. A. Harrison and Co
• J. A. Harrison and Co (Manchester)
• J. A. M. Henderson
• J. A. McMullen and J. C. Campion
• J. A. Reynolds
• J. A. Reynolds and Co
• J. and A. Binns
• J. and A. Entwistle
• J. and A. Hillman
• J. and D. Hamilton
• J. and F. May
• J. and R. Oldfield
• J. B. and S. Lees
• J. B. Hall and L. W. Hamp
• J. B. Treasure and Co
• J. Baker and Son
• J. Barden and Co
• J. Bayley
• J. Beardshaw and Son
• J. Belmont Taylor
• J. Bennett Heyde and Co
• J. Browett-Lindley (1931)
• J. C. C. Green
• J. C. Ley and Sons
• J. C. Savage
• J. Cherry and Sons
• J. Christopher and Sons
• J. Clayton and Co
• J. Corston Sinclair and Co
• J. D. Churm
• J. D. Jones and Co (London)
• J. E. A. Foster
• J. E. Baty and Co
• J. E. D. Holder
• J. E. Hartley and Son
• J. G. Beddoes
• J. G. Ingram and Son
• J. G. Plumb and Son
• J. G. Statter and Co
• J. G. Weir
• John Garrington and Sons
• J. Gliksten and Son
• J. Granville Grenfell
• J. H. Dallmeyer
• J. H. Fenner and Co
• J. H. Hancock
• J. H. Holmes and Co
• J. H. L. Musker
• J. H. Lavender and Co
• J. H. Ratcliffe
• J. H. Richards and Co
• J. H. Steward
• J. H. Thompson
• J. H. Tucker and Co
• J. H. Yeomans and Sons
• J. Halden and Co
• J. Holdsworth and Co
• J. Holroyd and Co
• J. Hopcraft
• J. J. Habershon and Sons
• J. J. Lister
• J. J. Saville and Co
• J. K. Lawrence
• J. Kendal, Lomax and Co
• J. Knight and Hale
• J. L. Bebb
• J. L. Kier and Co
• J. M. Bickerton
• J. M. Smith and Sons (Leicester)
• J. Macdonald and Co
• J. Mandleberg and Co
• J. Meek and Co
• J. Moores and Co
• J. P. Wakefield
• J. Preston
• J. Procter
• J. R. Bramah and Co
• J. R. Bryans
• J. R. Grice
• J. R. Micklethwait
• J. and R. Oldfield
• J. Richards and Sons
• J. S. Smith
• J. S. Squires
• J. Stone and Co
• J. Stubbs
• J. Thompson MacLeod
• J. Turner and Sons
• J. V. C. Pearson
• J. W. A. Hunter
• J. W. Adamson
• J. W. and R. Healey Co
• J. W. and T. Connolly
• J. W. Gates and Co
• J. W. Jackman and Co
• J. W. Ray and Co (London)
• J. Walmsley and Sons
• Jack Olding and Co
• Jackson and Brother
• Jacobs Aircraft Engine Co
• Jacuqes Gerin
• James Arnott and Sons
• James Bennie and Sons
• James Beresford and Son
• James Booth and Co
• James Booth and Co (1915)
• James Brown and Sons
• James C. Nicklin
• James Caldwell
• James Chapman and Sons
• James H. Vickery and Co
• James Hunter
• James Keith and Blackman Co
• James Light and Son
• James McCrossan
• James Melling
• James Mills
• James N. Durie and Co
• James North and Sons
• James P. Maginnis
• James R. Crompton and Brothers
• James Rivett
• James Rowbottom
• James Tate and Co
• James Tennant and Co
• James Walker and Co
• James Webster and Brother
• James Webster and Co
• James West
• Japan Aeroplane Works
• Japan Air Transport Co
• Japan Air Transport Institute
• Japan Sea Air Transport Co
• Japanol Enamel Co
• Jenks Brothers
• Jersey Airways
• Jewson and Sons
• John A. Bremner and Co
• John and James White
• John B. Pillin
• John Baird
• John Barbour
• John Bartholomew and Son
• John Bellamy
• John Bullough
• John Cluley and Son
• John Collier and Co (Electrical Engineers)
• John Cox and Son
• John Dade
• John E. Mapplebeck
• John Edgington and Co
• John Elsworth and Sons
• John Gibbs and Son
• John Hall and Sons (Bristol and London)
• John Hamilton
• John Hind and Sons
• John Holroyd and Co
• John J. Bowater
• John James and Sons
• John Kerr and Co (Manchester)
• John Laing and Son
• John Lilley and Son
• John Livingston and Sons
• John Lloyd and Sons
• John Macdonald and Co (Pneumatic Tools)
• John MacLennan and Co
• John Marland and Son
• John Mayers, Sons and Co
• John Oakey and Sons
• John Ogilvy and Co
• John Roberts and Co
• John S. Morris and Son (Oils)
• John Shaw
• John Short
• John Smith and Co (Derby)
• John Spencer
• John Spencer and Sons (1928)
• John Taylor and Sons (Bolton)
• John Taylor, Dunford and Co
• John Thompson Motor Pressings
• John Tonks and Co
• John Turner and Sons (Wire Works)
• John Vessey and Sons
• John W. Miller and Son
• John Wood and Sons (Wisewood)
• Johnson and Phillips
• Johnson and Sons Manufacturing Chemists
• Johnson Lovick and Co
• Johnsons (of Godalming)
• Jonas and Colver (Novo)
• Jones and Sons
• Jones, Burton and Co
• Joseph Bradbury and Sons
• Joseph Cookson
• Joseph Mason and Co
• Joseph Nichols and Son
• Joseph Parks and Son
• Joseph Sankey and Sons
• Joseph Tomey and Sons
• Joseph W. Caddick
• Joshua Kershaw and Co (Stockport)
• Joshua Rea and Sons
• Julius Pintsh, A.G.
• Junkers Flugzeug und Motorenwerke, A. G.
• Junkers Flugzeug-und-Motorenwerke, A. G.

K

• K. A. Whittome
• K. Johnson and Sons
• KLG Sparking Plugs
• KLM (Royal Dutch Air Lines) (Czechoslovakia)
• KLM (Royal Dutch Air Lines) (Egypt)
• KLM (Royal Dutch Air Lines) (Netherlands East Indies)
• K. N. I. L. M. (Koninklijke Nederlandsch-Indische Luchtvaart Masstschappij)
• K. Pyman
• Kalbitum Paint Co
• Kaloroil Burners
• Kaloroil Burners (Waste Oil)
• Kasenit
• Kawanisi Kokuki Kabusike Kaioya
• Kawasaki Dockyard Co
• Kay Gyroplanes
• Kayser, Ellison and Co
• Keelavite Co
• Keighley Bolt and Nut Works
• Keighley Fan and Motor Co
• Kellett Autogiro Corporation
• Kelvin, Bottomley and Baird
• Kenbar Electrical Co
• Kenilworth Manufacturing Co
• Kenneth, Brown and Prentice
• Keystone Paint and Varnish Co
• Kibraz Blow Lamp and Motor Accessory Co
• Kings Cross Truck Co
• Kinner Airplane and Motor Corporation
• |Kirkstall Forge
• Kitson Insulations
• Kleine Co
• Knowsley Cast Metal Co
• Kodak
• Koninklijke Luchtvaart Masstschappij voor Nederland en Kolonien N. V. (K. L. M.) (Royal Dutch Air Lines)
• Koninklijke Maatschappij de Schelde
• Koolhoven Vliegtuigen
• Korect Depth Gauge Co
• Kronfeld
• Kryn and Lahy (1928)
• Kurt Erlach

L

• L. A. K. Halcomb
• L. A. N. (Linea Aerea Nacional)
• L. A. N. E. P.
• L. A. R. E. S. (Roumanian State-operated Airlines)
• L. A. Rumbold and Co
• L. and G. Fire Appliance Co
• L. Cameron and Son
• L. Guinness, M. P.
• L. H. Newton and Co
• L. H. Riddell
• L. J. Rimmer
• L. J. Turner
• L. Marr
• L. Nicklin
• L. P. S. Electrical Co
• L. R. D. Beck
• L. Robinson and Co
• L. W. Tools Co
• L. Weekes (Luton)
• L. Weston
• L. Whitaker and Sons
• L’Aero Club Royal de Belgique
• L’Angence General des Moteurs “Ava”
• La Societe Francaise Hispano-Suiza
• La Societe Industrielle d’Aviation Latecoere
• Lacab. Les Ateliers de Constructions Aeronautiques Belges
• Lachowsky
• Lactocol
• Lacy-Hulbert and Co
• Lady Apsley
• Lady Blanche Douglas
• Lady Loch
• Lake and Elliot
• Lambert Aircraft Corporation
• Laminated Wood Products
• Lancashire Cotton Waste Co
• Lancashire Wire Co
• Lancegaye Safety Glass (1934)
• Landsdowne Varnish and Enamel Co
• Lang Propellers
• Lansdowne Varnish and Enamel Co
• Laurence, Scott and Electromotors
• Lawden and Poole
• Lawrence Haggerty and Co
• Lawrence W. Brown Aircraft Co
• Lawton (Successors)
• Laycock Engineering Co
• Laystall Motor Engineering Works
• Lea and Son
• Lead Wool Co
• Leathercraft of Malvern (J. H. Stephens)
• Lee and Wilkes
• Leeds Piston Ring and Engineering Co
• Leichtflugzeugbau Klemm, G. m. b. H.
• Leonard Dutton and Sons
• Les Ateliers de Construction du Nord de la France et des Mureaux (A.N.F.)
• Les Etablissements Lipton
• Leslie Dixon and Co
• Lewis Berger and Sons
• Lewis Dixon and Son
• Lewis Spring Co
• Leyland and Birmingham Rubber Co
• Lienea Aereas Mineras, S. A.
• Light Production Co
• Lightalloys Ltd, Alpax Works
• Light-Metal Forgings
• Lignes Aeriennes Nord Africaines (L.A.N.A.)
• Ligue Aeronautique de France
• Lilienthal-Gesellschaft fur Luftfahrtforschung
• Limmer and Trinidad Lake Asphalt Co
• Limpet Co
• Lincolnshire Flying Services
• Lindsay-Neale Aviation Co
• Lineas Aereas Merida-Payo Obispo
• Lion Engineering Co (Birmingham)
• Lion Spring Co
• Lionel Robinson and Co
• Liquid Measurements
• Lissen
• Lisson Aircraft and Precision Engineering Co
• Lithanode Co
• Liverpool Electric Cable Co
• Liverpool Radiator Co
• Llewellins Machine Co
• Llewellyn Ryland and Co
• Lloyd Aereo Boliviano
• Lloyds and Co (Letchworth)
• Lobitos Oilfields
• Locke, Spier and Co (1928)
• Lockheed Hydraulic Brake Co
• Lodge Plugs
• London Aluminium Co
• London and Midland Steel Scaffolding Co
• London Battery and Cable Co
• London Electric Wire Co and Smiths
• London Emery Works Co
• London Plywood and Timber Co
• London Emery Works Co
• Lorant and Co
• Lord Furness]]
• Lord G. N. Douglas-Hamilton
• Lord M. Douglas-Hamilton
• Lord Sempill
• Lord Willoughby de Broke
• Louis Bamberger and Sons
• Lt.-Col. A. Hamilton Gault, D.S.O.
• Lubelska Wytwornia Samolotow
• Lubrication Specialists
• Lubricine Oil Co
• Luis Melgoza
• Luke and Spencer
• Luke Turner and Co
• Lumsden Machine Co
• Luscombe Airplane Corporation
• Luton Aircraft
• Luvax
• Luxfer
• Luxury Air Tours
• Lydbrook Chemical Co

M

• M. and C. Switchgear
• M. C. Harley
• M. C. L. and Repetition
• M. E. King
• M. G. Christie
• M. G. Lazaro and A. L. Bieber
• M. K. Electric
• M. L. Curtis
• M. Maxwell
• M. N. Mavrogordato
• M. R. C.
• M. Sassoon
• M. W. Dunscombe
• M. W. Woods
• M. Yates and Sons
• Maatschappij voor Vliegtuigbouw N. V.
• MacArthur and Jackson
• MacEchern and Co
• Macfarlane Engineering Co
• Macnab and Co
• MacRobertson Miller Aviation Co
• Magnesium Castings and Products
• Magnesium Elektron
• Magnolia Anti-Friction Metal Co of Great Britain
• Magyar Legiforgalm Reszvenytarsasag (Hungarian Airtraffic Co)
• Maison Sarole, S.A.
• Major and Co
• Major G. W. G. Allen
• Major H. Musker
• Major J. C. Savage
• Major J. E. D. Shaw
• Major, Robinson and Co
• Major-General Viscount Gort
• Malcolm and Farquharson
• Malling Aviation
• Mallock-Armstrong Ear Defender Co
• Manchester Paint and Varnish Co
• Manfred Weiss Flugzeug und Motorenfabrik A. G.
• Manfred Weiss Flugzeug und Motorenfabrik Aktiengesellschaft
• Manuchuria Airtransport Co
• Manufacturers Aircraft Association
• Marconi's Wireless Telegraph Co
• Markham and Co
• Marquess of Donegall
• Marquess of Douglas and Clydesdale
• Marquess of Dufferin and Ava
• Marsh Brothers and Co
• Marshall Osborne and Co
• Marshall, Sons and Co (Successors)
• Marshalls Flying School
• Marshalls Flying Services
• Martin-Baker Aircraft Co
• Massa Sparking Plug Co
• Masson, Seeley and Co
• Matchett and Martineau
• Matthew T. Shaw and Co
• Matthew Wells and Co
• Maurice B. Fraser
• Mawdsleys
• May and Baker
• Maybach-Motorenbau, G. m. b. H.
• Mayo Composite Aircraft Co
• McGowan, Wild and Co
• McGraw-Hill Publishing Co
• McGregor and Co
• McKechnie Brothers
• Mechanism
• Mechanism (H. C. Peirce)
• Mechans
• Medway Synthetic Products
• Melvin Brothers
• Menasco Manufacturing Co
• Menno Compressed Air Greasecup Co
• Mercury Aircraft
• Meredith and Co
• Merrick and Heath
• Merryweather and Sons
• Merseyside Aero and Sports Co
• Merseyside Air Park
• Messier Aviation Engineering Co
• Metal Industries
• Metal Propellers
• Metal Sprayers
• Metal Structures
• Metallic Seamless Tube Co
• Metals
• Metropolitan Plywood Co
• Metropolitan-Vickers Electrical Co
• Meynell and Sons
• Mica Lubricant Co
• Mica Products
• Micanite and Insulators Co
• Middlesex Paint and Lacquer Co
• Midland Airways
• Midland Electric Installation Co
• Midland Electric Manufacturing Co
• Midland Electric Wire Co
• Midland Expanded Metal Co
• Midland Fan Co
• Midland Flexible Metallic Tubing Co
• Midland Metals (Wolverhampton)
• Midland Motor Cylinder Co
• Midland Sheet Metal Works
• Miles Ashworth
• Military Aircraft Corporation
• Miller, Rayner and Haysom
• Mills Equipment Co
• Milne and Longbottom
• Milne and Longbottom (R. Milne)
• Minimax
• Minister for Air (Germany)
• Mint, Birmingham
• Miralite
• Misr Airwork, S. A. E.
• Miss C. M. de Reyes
• Miss E. L. M. Barbour
• Miss J. E. Giles
• Miss J. G. Batten
• Miss M. S. D. Wilson
• Miss R. Rees
• Misses M. and S. Glass
• Mitchell, Shackleton and Co
• Mitsubishi Jukogyo Kabushiki Kaisha]] (Mitsubishi Heavy-Industries)
• Mixtrol Oil Products of Great Britain
• Model Aircraft Stores
• Model Aircraft Supplies
• Model Transport Co
• Models Manufacturing Co
• Mollart Engineering Co
• Moore and Bird
• Morgan Ebonite Co
• Morgan, Owen and Taylor
• Morris and Co (Chester)
• Morris and Ingram
• Morris and West
• Mosers
• Moss Brothers Aircraft
• Moss Brothers and Co
• Moss Gear Co
• Mosses and Mitchell
• Moteurs Aubier and Dunne
• Motor and Aviation Insurance Brokers
• Motor Components (Birmingham)
• Moulded Products
• Mouldrite
• Mountford Rubber Co
• Mountsorrel Tarred Macadam Co
• Mrs B. Macdonald
• Mrs D. M. Wills
• Mrs E. M. Robinson
• Mrs Howard-Jones
• Mrs I. J. Goldspink
• Mrs L. H. Gibbs
• Mrs M. K. Wilberforce
• Muegyetemi Sportrepulo Egyesulet (Sport Flying Association of the Technical University)
• Murex Welding Processes
• Murray Aeronautical Corporation
• Musgrave and Co

N

• N. A. Blandford-Newson
• N. A. C. A.
• N. Greening and Sons
• N. H. Knipe
• N. M. Gibbins
• N. S. Roberts
• N. S. Seth
• N. V. Eerste Nederlandsche Indische Vliegtuigenfabriek
• Nakajima Aircraft Works
• Nalder Brothers and Thompson
• Nash and Thompson
• National Air Transport
• National Aircraft Factory
• National Airline System
• National Airways
• National Benzole Co
• National Bituminous Products
• National Fire Protection Co
• National Parks Airways
• National Plywood Corporation
• National Radio Service Co
• Naval Air Establishment
• Navy Aircraft Factory
• Negretti and Zambra
• Nesta
• Neuchatel Asphalte Co
• New Cransley Iron and Steel Co
• New Croydon Rubber Co
• New Pelapone Engine Co
• New Process Welders
• New Zealand Aero Club
• Newalls Insulation Co
• Newport and South Wales Tube Co
• Newton and Nicholson
• Newton Brothers (Derby)
• Nissen Buildings
• Nitralloy
• Nitsche and Gunther British Optical Co
• Nivex Instrument and Gauge Co
• Nobel Chemical Finishes
• Nobles and Hoare
• Noel Paton
• Nohab Flygmotorfabriker
• Noorduyn Aircraft
• Normal Propeller Co
• Norman Edgar Western Airways
• Norman Engineering Co (Croydon)
• Norman Engineering Co
• Normand Electrical Co
• Norrington and Landon
• Norsk Aero Club
• North American Aviation
• North British Chemical Co
• North Queensland Airways (Pty.)
• North Western Anglo-Swedish Electric Welding Co
• North-Eastern Airways
• Northern Aircraft Products
• Northern Airways
• Northern Aluminium Co
• Northern and Scottish Airways
• Northern Model Aircraft
• Northey-Boyce Rotary Engineering Co
• Northwest Airlines
• Nottingham Airport
• Nuckey-Scott and Co
• Nunan and Stove
• Nuneaton Engineering Co
• Nuts and Bolts (Darlaston)

O

• O. Comitti and Son
• O. E. C.
• O. L. Richards
• O. S. Baker
• O. W. Fulcher and Co
• Oddie, Bradbury and Cull
• Oesterreichische Luftverkehrs Aktiengesellschaft
• Oesterreichischer Aero-Club
• Oficinas Gerais de Material Aeronautica
• Oldham and Sons
• Oldham Welding and Central Motors
• Oliver Pragnell and Co
• Oliver V. Beckerlegge
• Olley Air Service
• Omes
• Opperman Gears
• Oriental Tube Co
• Ormistons Alumina
• Osoaviachim
• Ostschweiz, Aero Gessellschaft
• Overhead
• Owen Brothers and Co
• Owen George Endicott Roberts
• Owen Rubery and Co
• Ox-Hide Banding Co
• Ozalid Co

P

• P. B. Deviator
• P. B. Snowdon and Co
• P. C. Henderson
• P. Dunkerley
• P. E. Buck
• P. E. Matthews and Sons
• P. G. Aldrich-Blake
• P. G. Allday and Co
• P. H. Jackson and Co
• P. Levasseur
• A. P. Lundberg and Sons
• P. P. S. Pratt
• P. Priest, F. Lawton and C. Brooke
• P. R. Burton and V. M. Desmond
• P. Randolph
• P. Richardson and Son
• P. Stobie and Co
• P. T. Eckersley
• Pahl Brothers
• Pak Parachute Co
• Palmer Tyre
• Palmer-Browne Lubricator Co
• Pan American Airways (Grace)
• Pan-Aero Pictures
• Panair do Brazil, S.A.
• Pan-Amercian Airways (Ecuador)
• Pan-American Airways
• Pan-American Airways (British Honduras)
• Pan-American Airways (Colombia)
• Pan-American Airways (Costa Rica)
• Pan-American Airways (Cuba)
• Pan-American Airways (Guatemala)
• Pan-American Airways (Honduras)
• Pan-American Airways (Mexico)
• Pan-American Airways (Nicaragua)
• Pan-American Airways (Panama)
• Pan-American Airways (Salvador)
• Pan-American Airways (U.S.A.)
• Pan-American Airways (Uruguay)
• Pan-American Airways (Venezuela)
• Pan-American Grace Airways (Peru)
• Panstwowe Zaklady Lotnicze W. Warszawie
• Panstwowe Zaklady Lotnicze W. Warszawie (Late Polsky Zaklady Skody)
• Parker, Winder and Achurch
• Parnall Aircraft
• Pasped Aircraft Co
• Patent Motor Products Co
• Paths and Ways
• Paul Boulton Aircraft
• Payne and Griffiths
• Pearce Signs
• Pegson
• Penney and Porter (1932)
• Pennsylvania Aircraft Syndicate
• Pennsylvania Airlines
• Percival Aircraft
• Perfecta Motor Equipments
• Perry and Fudge
• Perry Barr Metal Co
• Personal Airways
• Peruvian Cotton Dusting Co
• Peruvian National Air Lines
• Peter Brotherhood
• Peter Stobie and Co
• Peto and Radford
• Petro-Flex Tubing Co
• Philco Radio and Television Corporation of Great Britain
• Philip Kirkup and Co
• Philip Wilkinson and Sons
• Philippine Aerial Taxi Co
• Philips Industrial (Philips Lamps)
• Phillips and Powis Aircraft
• Phillips and Rabone
• Phillips and Sons (Electrical)
• Phillips Telescopic Taps
• Phoenix Steel Tube Co
• Phosphor Bronze Co
• Pidgen Brothers
• Piercy and Co
• Piero Magni Aviazione, S. A. I.
• Piftin
• Pinchin, Johnson and Co
• Pines Airways
• Pirelli-General Cable Works
• Pitcairn Autogiro Co
• Pitter Gauge and Precision Tool Co
• Plane Advertising
• Plant C. H. (Formerly Kalinin)
• Plastilume Products
• Platt Brothers and Co
• Platts Split Packing Co
• Plessey Co
• Plymouth Airport
• Pneumatic Tools
• Pobjoy Airmotors and Aircraft
• Pocklington and Johnson
• Podlaska Wytwornia Samolotow, S. A.
• Polskie Linje Lotnicze (L. O. T.)
• Pomona Rubber Co
• Pooley and Austin
• Poppe Rubber and Tyre Co
• Popular Flying
• Portsmouth, Southsea and I. O. W. Aviation
• Postans, Morley Brothers and Birtles
• Poulton Self and Lee
• Power Contracts (Batwin)
• Power Flexible Tubing Co
• Power Plant Co
• Pratt and Whitney Aircraft
• Prellers and Sampsons Belting Co
• Premier Aluminium Castings Co
• Premier Electric Control Co
• Premiers Chantiers Serbe de Constructions Aeronautiques G. Rogojarsky S. A.
• Prentice
• Prescot Clock and Mechanism Co
• Presspahn
• Prices Patent Candle Co
• Priest, Rowland
• Proctor, Johnson and Co
• Purimachos
• Puttnam Aircraft Co
• Pymore Mill Co
• Pyrene Co
• Pytchley Autocar Co

Q

• Qantas Empire Airways
• Qualcast
• Quicktho (1928)
• Quiggin and Co

R

• R. A. Dyson and Co
• R. A. Lister and Co
• R. A. Mitchell Junior
• R. A. Munder
• R. and J. Dick
• R. and J. Park
• R. and J. Rankin
• R. Anderson, Son and Co
• R. B. Gilliat
• R. B. Pullin and Co
• R. Branston
• R. Bullock
• R. Butler
• R. C. Presland
• R. C. Ramsay
• R. Cadisch and Sons
• R. Cruickshank (Cellulose)
• R. Dundas
• R. E. Gardner
• R. E. Horrox
• R. E. L. Beere
• R. E. Sharples
• R. F. D. Co
• R. G. Davies
• R. G. Doig
• R. H. Collier and Co
• R. H. Cook and Co
• R. H. Neal and Co
• R. H. Patterson and Co
• R. H. Stocken
• R. I. W. Protective Products Co
• R. Ince
• R. J. Bird
• R. J. Coley
• R. J. Coley and Atkinson
• R. J. Edwards and Co
• R. J. Pattinson
• R. K. Dundas
• R. K. L. S. Mainwaring
• R. Kearlsey and Co
• R. L. Thorn
• R. M. Miller and Co
• R. N. Birley
• R. O. Shuttleworth
• R. P. Hartley
• R. Proctor
• R. Riley
• R. S. H. Callingham
• R. S. Thacker and Co
• R. T. Boyd
• R. W. Anderson and Sons
• R. W. Coan
• R. W. Munro
• Radio Transmission Equipment
• Ragosine Oil Co
• Railway Air Services
• Ralph Richardson
• Ramage, Whitehead and Co
• Ramsgate Airport
• Ranalah
• Randle Radiators
• Ransome and Marles Bearing Co
• Ransomes and Rapier
• Ransomes, Sims and Jefferies
• Rapid Magnetting Machine Co
• Ratcliffs (Great Bridge)
• Rateau Engineers
• Ravenhose
• Rawsthornes (Bolton)
• Raybestos Belaco
• Raynoil Maps
• Read and Campbell
• Reale Unione Nazionale Aeronautica
• Rearwin Airplanes
• Reavell and Co
• Reay Brass Foundry Co
• Reay Gearworks
• Record Electrical Co
• Redditch Garages
• Redditch Spring Co
• Redfern's Rubber Works
• Redline-Glico
• Redpath, Brown and Co
• Redwing Aircraft Co
• Reid and Sigrist
• Reliance Sheetmetal Works
• Renard. Constructions Aeronautiques G. Renard
• Revo Electric Co
• Reynolds and Bradwell
• Reynolds Tube Co
• Rheostatic Co
• Rhodes, Brydon and Youatt
• Rhodes, Gill and Co
• Rhodesia and Nyasaland Airways (R.A.N.A.)
• Ribbesford Co
• Richard Bell and Co
• Richard C. Gibbins and Co
• Richard Cooper and Son (Wolverhampton)
• Richard Davies Leather Co
• Richard Klinger
• Richard Lloyd and Co
• Richard W. Carr and Co
• Richard Whiffen
• Richards (Leicester)
• Rider-Clarl Aircraft Corporation
• Ridgacre Foundry Co
• Rijks Studie Dienst voor de Luchtvaart
• Riley Aircraft
• Ripaults
• Robert Ingham, Clark and Co
• Robert Jenkins and Co
• Robert Kearsley and Co
• Robert Proctor
• Robert Rigby
• Robert Watson and Co
• Roberto L. Miranda
• Roberts, Black and Co
• Robertson Coolers
• Robinson and Cleaver
• Robinson and Kershaw
• Robson and Coleman
• Rockhampton Aerial Services
• Rogers-Jenkins and Co
• Rollason Aircraft Service
• Rolls-Royce
• Ronald Trist and Co
• Rooney and Sons
• Rose Aeroplane and Motor Co
• Rose, Downs and Thompson
• Ross
• Ross and Robinson
• Rotax
• Rotherham and Sons
• Rotherham Forge and Rolling Mills Co
• Rotunda
• Rowland Priest
• Rowland Rawlinson
• Royal Aero Club of Sweden
• Royal Aeronautical Society
• Royal Army Aircraft Factory (Denmark)
• Royal Dutch Air Line (K. L. M.)
• Royal Dutch Air Lines (K. L. M.) (Greece)
• Royal Meteorological Society
• Royal Naval Dockyard (Denmark)
• Royal Netherlands Aero Club
• Royal Yugoslav Aero Club
• Rubery, Owen and Co
• Runbaken Products
• Russell Brothers (Walsall)
• Russells Oil Co
• Russian Oil Products
• Rustless Iron Co
• Ruston and Hornsby
• Rutas Aereas Occidentales, S. A.

S

• S. A. Aeroplani Caproni
• S. A. Industrie Meccaniche e Aeronautiche Meridionali
• S. A. R. T. A. (S. A. Roumaine de Transport Aerien)
• S. A. Stablilimenti Farina
• S. A. Yorke
• S. Appleyard and Co
• S. B. Cliff
• S. Crawshaw and Sons
• S. De Saulles and Son
• S. Dixon and Son
• S. E. C. Pearson
• S. E. Norris and Co
• S. F. Bowser and Co (London)
• S. G. Brown
• S. Gleave
• S. Gregson and Sons
• S. Hawley
• S. J. Green and Co
• Saul D. Harrison and Sons
• S. Kenneth Davies
• S. L. Dodwell
• S. Mills and Co
• S. N. Jones
• S. P. Tyzack
• S. Pickering and Son
• S. Redfern and Co
• S. Russell and Sons
• S. T. Lowe
• S. Tyzack and Son
• S. U. Carburetter Co
• S. V. Appleby
• S. Wolf and Co
• S.A.B.C.A. Societe Anonyme Belge de Constructions Aeronautiques
• Sackville
• Safety Products
• Sagar-Richards
• Salford Electrical Instrument
• Salvolene Lubricants
• Sam Reid
• Sampson, Law, Marston and Co
• Samuel Denison and Son
• Samuel Fox and Co
• Samuel Greenwood and Sons
• Samuel Harris
• Samuel Heath and Sons
• Samuel Jones and Co
• Samuel Marsden and Son
• Samuel Mercer and Co
• Samuel Netherwood and Sons
• Samuel Wills and Co
• Sandemans Varnish
• Sanderson and Robinson
• Sanderson Brothers and Newbould
• Sandvik British Agency
• Santon
• Saul D. Harrison and Sons
• Saunders-Roe
• Schlupmannsche Industrie und Handelsgesellschaft G. m. b. H.
• Sciaky Electric Welding Machines
• Scientific Glass Blowing Co
• Scintilla
• Scott Brothers
• Scott Laurence and Electromotors
• Scott Motor Cycle Co
• Scott Motors (Saltaire)
• Scottish Aircraft and Engineering Co
• Scottish Eastern Aircraft Services
• Scottish Stamping and Engineering Co
• Seapak Insulation Co
• Seattle-Victoria Air Mail
• Secretary of State for Air
• Security National Aircraft Corporation
• Selas Gas and Engineering Co
• Self-Priming Pump and Engineering Co
• Selson Machine Tool Co
• Serck Radiators
• Service de la Navigation Aerienne de Madagascar
• Servicios Aereos del Norveste, S. A.
• Servis Recorders
• Sheepbridge Stokes Centrifugal Castings Co
• Sheffield and Hallamshire Hack Saw Co
• Sheffield Supply Co
• Sheffield Twist Drill and Steel Co
• Shell-Mex and B. P.
• Shetack Tool Works
• Shipman (Sales)
• Short and Harland
• Short and Mason
• Short Brothers
• Siddall and Hilton
• Sidney J. Mortimer and Co
• Siebe, Gorman and Co
• Siemens Brothers and Co
• Siemens Electric Lamps and Supplies
• Siemens-Schuckert
• Siemens-Schuckert (Great Britain)
• Silentbloc
• Sifton, Praed and Co
• Sigmarine Co
• Sikorsky Aircraft
• Silentbloc
• Silvertown Lubricants
• Simmonds Aerocessories
• Simmonds and Stokes
• Simmonds Development Corporation
• Simmons and Hawker
• Simms Motor Units
• Simplifix Couplings
• Simpson (Piccadilly)
• Singleton, Flint and Co
• Sir A. Beit
• Sir C. A. Wrench
• Sir C. Rose
• Sir Derwent Hall Caine
• Sir G. Lewis
• Sir George Godfrey and Partners
• Sir Issac Pitman and Sons
• Sir James Laing and Sons
• Sir K. I. Crossley Bart
• Sir Philip Sassoon
• Sir W. G. Armstrong Whitworth Aircraft
• Sir W. H. Bailey and Co
• Sir William Firth
• Skefko Ball Bearing Co
• Skywriting
• Slater and Crabtree
• Slick Brands
• Small Power Dynamo and Motor Co
• Smethwick Drop Forgings
• Smethwick Stamping Co
• Smith and Rodger
• Smith Brothers and Co
• Smith-Clayton Forge
• Smiths Aircraft Instruments
• Snowdon, Sons and Co
• Sociedad Colombo-Alemana de Transportes Aereos (SCADTA)
• Sociedade Aero-Portugueza
• Societa Aeronautica Italiana (S. A. I.)
• Societa Anonima Aero-Espresso Italiana
• Societa Anonima Alfa-Romeo
• Societa Anonima F.I.A.T.
• Societa Anonima Piaggio and C.
• Societa Gabardini
• Societe Aeronautique du Sud-ouest
• Societe Aeronautique Francaise
• Societe Anonima Avio-Linee Italiana
• Societe Anonyme Belge d’Exploitation de la Navigation Aerienne (S.A.B.E.N.A.)
• Societe Anonyme de Ateliers d’Aviation Louis Breguet
• Societe Anonyme des Anciens Etablissements Panhard et Levassor
• Societe Anonyme des Etablissements Emile Regnier
• Societe Anonyme des Usines Renault
• Societe Anonyme l’Aile Volante
• Societe Anonyme Loire-Nieuport
• Societe Anonyme Nieuport-Astra (Group Loire-Nieuport)
• Societe Anonyme Omnium Metallurgique et Industriel
• Societe Anonyme Pour la Fabrication et l’Exploiatation des Avions Roab
• Societe des Aeroplanes Henry Potez
• Societe des Avions Bernard
• Societe des Avions H. M. et D. Farman
• Societe des Moteurs et Automobiles Lorraine
• Societe des Moteurs Gnome-et-Rhone
• Societe des Moteurs Salmson
• Societe Francais de Fabrication Aeronautique
• Societe Francaise d’Aviation Nouvelle
• Societe Francaise de Constructions Aeronautiques
• Societe Hellenique de Communications Aeriennes, S. A.
• Societe Italiana Ernesto Breda
• Societe Kellner-Bechereau
• Societe Provencale de Constructions Aeronautiques
• Societete Anonima Industria Aeronautica Romana
• Society of British Aircraft Constructors
• Sofnol
• Solar Refining Co
• Solenoid Regulator Co
• Solignum
• South African Airways (South African Railways and Harbours)
• South Durham Steel and Iron Co
• South Western Aviation Corporation
• South Western Brass Foundry
• Southwark Manufacturing Co
• Spartan Air Lines
• Spartan Aircraft
• Spauldings
• Specialliod
• Speedometer Supply Co
• Speedwell Gear Case Co
• Spencer Chapman and Messel
• Spencer Wire Co
• Spensall Screw and Bolt Co
• Sperry Gyroscope Co
• Spiral Tube and Components Co
• Spiro Ball Bearing Co
• Splintex-Newtex Safety Glass
• Spring Washers
• Spry and Holman
• Spurrier, Glazebrook and Co
• Squadran Leader H. Peake
• Squadran Leader N. C. Ogilvie-Forbes
• Square Grip Reinforcement Co
• St. Albans Rubber Co
• Staffordshire Airplanes
• Stampe-et-Vertongen. J. Stampe et M. Vertongen
• Stampings Alliance
• Standard Insulator Co
• Standard Telephones and Cables
• Standard Valves
• Standard Wire Co
• Stanley Earle and Co
• Stanley Engineering Co
• Stearman-Hammond Aircraft Corporation
• Stearn Electric Co
• Steel Band Conveyor and Engineering Co
• Steel Ceilings
• Steel Conduit Co
• Steel Construction Co
• Steel Nut and Joseph Hampton
• Steel Scaffolding Co
• Steel Stampings Co
• Steel Tube and Conduit Co
• Stephen Gillett and Co
• Stephen Seal, Son and Co
• Stephens Belting Co
• Sterling Metals
• Sterling Varnish Co
• Sternol
• Stewarts and Lloyds
• Stokes Castings
• Stone and Sons
• Stones, Wilkinson and Co
• Stothert and Pitt
• Stourbridge Rolling Mills
• Strand and Interchangeable Signs
• Strand Electric and Engineering Co
• Stream-Line Filters
• Streetly Manufacturing Co
• Sturge and Co
• Suffolk Iron Foundry (1920)
• Sunderland Engineering Equipment Co
• Sunderland Forge and Engineering Co
• Super Radio Co (Bradford)
• Superflexit
• Supermarine Aviation Works
• Super-Tools
• Surrey Flying Services
• Surtees Auto Marine Aircraft
• Swift, Levick and Sons
• Swindell and Co
• Swinnerton and Co
• Swissair, Schweizerische Luftverkehr, A. G.
• Sylicum Pistons
• Sylvan Lubricants Co
• Syndicaro Condor, Limitada
• Syndicat des Transports Aeriens du Katanga
• Syndicator Condor
• Sywell Aerodrome

T

• T. A. K. Aga
• T. C. Howden and Co
• T. C. L. Westbrook
• T. C. Smith and Co
• T. D. Robinson and Co
• T. F. and J. H. Braime
• T. H. Gill and Son
• T. H. MacDonald
• T. H. Newsome and Co
• T. H. Wilson
• T. J. Priestman
• T. Leach and Son
• T. M. Birkett and Sons
• T. Nigel Tangye
• T. Procter
• T. R. Parry and Co
• T. R. Paxton and Son
• T. Rowbotham and Co
• T. Wheeler
• T. Wilson and Son
• Talbot Stead Tube Co
• Tammerfors Linne-Och Jern-Manafaktur, A. B.
• Tannoy Products
• Taskers of Andover (1932)
• Tata Sons
• Tatra Works
• Taylor and Challen
• Taylor and Petters
• Taylor Brothers
• Tecalemit
• Technical Improvements
• Technical Lights and Equipment
• Technical Platings
• Tees Side Bridge and Engineering Works
• Telegraph Construction and Maintenance Co
• Telephone Manufacturing Co
• Televel
• Telford, Grier, Mackay and Co
• Tempered Spring Co
• Temple Press
• Tenbury Baths Co
• Texas Oil Co
• Thanet Aviation
• The AC-Sphinx Sparking Plug Co
• The A. C. E. Corporation
• The Abies Battery Co (1927)
• The Accurate Recording Instrument Co
• The Acme Electrical Manufacturing Co
• The Aerial Photographic Co
• The Aero Piston Ring Co
• The Aerograph Co
• The Aeronautical and Panel Plywood Co
• The Aeronautical Corporation of America
• The A. E. F. Manufacturing Co
• The Agra Engineering Co
• The Aichi Tokei Denki K. K. (The Aichi Watch and Electric Machinery Co)
• The Airplane Division of the Ford Motor Co
• The Airscrew Co
• The Albion Foundry
• The Albion Oils Co
• The Alliance Petroleum Marketing Co
• The Allison Engineering Co
• The Aluminium Plant and Vessel Co
• The Amalgams Co
• The American Eagle-Lincoln Aircraft Corporation
• The Anglo-Bosphorus Oil Co
• The Anti-Attrition Metal Co
• The Arora Co
• The Atlas Carbon and Battery Co
• The Atlas Metal and Alloys Co
• The Austin Motor Co
• The Autogiro Company of America
• The Automotive Engineering Co
• The Barton Rivet Co
• The Bell Rock Belting Co
• The Bellanca Aircraft Corporation
• The Bifurcated and Tubular Rivet Co
• The Birmingham Belting Co
• The Birmingham Garages
• The Blackburn Aircraft
• The Boeing Aircraft Co
• The Boness Iron Co
• The Bridge Foundry Co
• The Bristol Aeroplane Co
• The British Air Transport
• The British Cystoscope Co
• The British Ebonite Co
• The British Hose and Appliances Co
• The British Piston Ring Co
• The British Power Boat Co
• The British Rola Co
• The British Scandinavian Airways
• The British Screw Co
• The British Thermit Co
• The British Thomson-Houston Co
• The British Trolley Track Co
• The British Xylonite Co
• The Bromley-Langton Electric Wire and Insulator Co
• The Builders Copper Tube Supply Co
• The Buma Engineering Co
• The Cairns Aircraft Corporation
• The Calorizing Corporation of Great Britain
• The Carbonizing Corporation of Great Britain
• The Carborundum Co
• The Castleton Steam Packing Co
• The Caxton Steel Co
• The Cement Marketing Co
• The Central Aerp Hydrodynamics Institute
• The Cessna Aircraft Co
• The Chemical and Insulating Co
• The Chesterfield Tube Co
• The Chloride Electrical Storage Co
• The Churchill Machine Tool Co
• The City Sheet Metal Works
• The Cleveland Oil Co
• The Clews Petersen Piston Ring and Engineering Co
• The Clyde Alloy Steel Co
• The Cockatoo Dockyard Engineering Co
• The College of Aeronautical Engineering
• The Consolidated Aircraft Corporation
• The Consolidated Pneumatic Tool Co
• The Control of Air Transport (Guatemala)
• The Cookson Lead and Antimony Co
• The County Chemical Co
• The Coventry Magneto Co
• The Coventry Victor Motor Co
• The Cressall Manufacturing Co
• The Crusader Aircraft Corporation
• The Cunningham-Hall Aircraft Corporation
• The Curtiss Aeroplane and Motor Co
• The Curtiss-Wright Airplane Co
• The D. P. Battery Co
• The Dargue Acetylene Gas Co
• The Darlington Wire Mills
• The Dart Spring Co
• The Davis Aircraft Corporation
• The De Havilland Aircraft Co
• The De Havilland Aircraft Pty]
• The Dee Oil Co
• The Del Guerra Oilskin Manufacturing Co
• The Delta Metal Co
• The Denbigh Engineering Co
• The Deritend Stamping Co
• The Director of Air Services
• The Dominion Motor Spirit Co
• The Donovan Electrical Co
• The Douglas Aircraft Co
• The Dowson and Mason Gas Plant Co
• The Drayton Regulator and Instrument Co
• The Du Bois Co
• The Duke of Richmond and Gordon
• The Dunlop Rubber Co
• The E. M. Laird Airplane Co
• The Earl of Dudleys Round Oak Works
• The Edison Swan Electric Co
• The Educational Supply Association
• The Effingham Steel Works
• The Electric Construction Co
• The Electrical Apparatus Co
• The Electro Dynamic Construction Co
• The Euston Ignition Co
• The Exe Engineering Co
• The Eyre Smelting Co
• The Fahlin Aircraft Co
• The Fairby Construction Co
• The Fairchild Aircraft Corporation
• The Federal Factory
• The Ferro-Arc Welding Co
• The Firth Co
• The Firth Vickers Stainless Steels
• The Firth-Derihon Stampings
• The Flexible Shaft Manufacturing Co
• The Fordath Engineering Co
• The Forward Oil Co
• The Forward Radiator Co
• The Forward Sparking Plug Co
• The Foster Engineering Co
• The Frederick Crane Chemical Co
• The Fulham Pottery and Cheavin Filter Co
• The G. Q. Parachute Co
• The Gear Grinding Co
• The General Celluloid Co
• The General Electric Co
• The General Fire Appliance Co
• The Giro Aviation Co
• The Glacier Metal Co
• The Gledhill-Brook Time Recorders
• The Glenn L. Martin Co
• The Gloster Aircraft Co
• The Grumman Aircraft Engineering Corporation
• The Guiberson Diesel Engine Co
• The Harland Engineering Co
• The Helvetia Leather Co
• The Heston Aircraft Co
• The Hill Top Foundry Co
• The Hoffmann Manufacturing Co
• The Honorable H. C. H. Bathurst
• The Honorable J. Y. Cunliffe-Lister
• The Honorable M. Aitken
• The Honourable A. E. Guinness
• The Honourable D. Fortescue
• The Honourable Drogo Montagu
• The Honourable J. D. Kemp
• The Hoyt Metal Co of Great Britain
• The Hughes Johnson Stampings
• The Improved Liquid Glues Co
• The Incandescent Heat Co
• The International Cotton Waste Co
• The Ioco Rubber and Waterproofing Co
• The Ishikawajima Aircraft Co
• The Kalbitum Paint Co
• The Kawasaki Dockyard Co
• The Keighley Bolt and Nut Works
• The Keighley Fan and Motor Co
• The Kenilworth Manufacturing Co
• The Kersons Manufacturing Co
• The Kinner Airplane and Motor Corporation
• The Kleine Co
• The L. and G. Fire Appliance Co
• The L. P. S. Electrical Co
• The L. W. Tools Co
• The Lancashire Wire Co
• The Lawrence Engineering and Research Corporation
• The Le Blond Aircraft Engine Corporation
• The Lead Wool Co
• The Leyland and Birmingham Rubber Co
• The Librex Lead Co
• The Limpet Co
• The Lion Spring Co
• The Lithanode Co
• The Lithuanian Army Aircraft Factory
• The Liverpool Electric Cable Co
• The Lockheed Aircraft Corporation
• The London Aluminium Co
• The London Plywood and Timber Co
• The Lumsden Machine Co
• The L. W. Tools Co
• The Macfarlan Engineering Co
• The Mallock-Armstrong Ear Defender Co
• The Marquess of Londonderry
• The Mayo Composite Aircraft Co
• The Metallic Seamless Tube Co
• The Mica Lubricant Co
• The Micanite and Insulators Co
• The Michigan Aero-Engine Corporation
• The Midland Electric Installation Co
• The Midland Expanded Metal Co
• The Midland Fan Co
• The Midland Motor Cylinder Co
• The Military Aircraft Factory
• The Model Aircraft Stores
• The Model Transport Co
• The Mollart Engineering Co
• The Morgan Ebonite Co
• The Moss Gear Co
• The N. V. Nederlandsche Vliegtuigenfabriek (Fokker)
• The Nakajima Aircraft Works
• The Neuchatel Ashpalte Co
• The New Croydon Rubber Co
• The Normand Electrical Co
• The North Western Anglo-Swedish Electric Welding Co
• The Northrop Corporation
• The Oriental Tube Co
• The Ox-Hide Banding Co
• The Packard Motor Car Co
• The Pak Parachute Co
• The Palmer Tyre
• The Patent Motor Products Co
• The Phoenix Steel Tube Co
• The Phosphor Bronze Co
• The Pitter Gauge and Precision Tool Co
• The Plessey Co
• The Pomona Rubber Co
• The Poppe Rubber and Tyre Co
• The Porterfield Aircraft Corporation
• The Power Flexible Tubing Co
• The Power Plant Co
• The Premier Electric Control Co
• The Pyrene Co
• The Pytchley Autocar Co
• The R. F. D. Co
• The R. I. W. Protective Products Co
• The Reay Gearworks
• The Record Electrical Co
• The Redditch Garages
• The Redditch Garages (Aviation Department)
• The Redditch Spring Co
• The Reverend C. D. C. Boulton
• The Revo Electric Co
• The Rheostatic Co
• The Rustless Iron Co
• The Ryan Aeronautical Co
• The S. U. Carburetter Co
• The Sandvik British Agency
• The Scientific Glassblowing Co
• The Scientific Research Institute of the Civil Air Fleet
• The Scottish Stamping and Engineering Co
• The Selas Gas and Engineering Co
• The Seversky Aircraft Corporation
• The Sheffield and Hallamshire Hack Saw Co
• The Sheffield Twist Drill and Steel Co
• The Shetack Tool Works
• The Small Power Dynamo and Motor Co
• The Smethwick Stamping Co
• The Solenoid Regulator Co
• The Southwark Manufacturing Co
• The Spartan Aircraft Co
• The Speedwell Gear Case Co
• The Spencer Wire Co
• The Sperry Gyroscope Co
• The Spiral Tube and Components Co
• The Spiro Ball Bearing Co
• The Square Grip Reinforcement Co
• The St Albans Rubber Co
• The St. Louis Aircraft Corporation
• The Stampings Alliance
• The Standard Insulator Co
• The Standard Wire Co
• The Star Aircraft Co
• The Stearman Aircraft Co
• The Stearn Electric Co
• The Steel Conduit Co
• The Steel Nut and Joseph Hampton
• The Steel Tube and Conduit Co (Middlesbrough)
• The Sterling Varnish Co
• The Stinson Aircraft Corporation
• The Stourbridge Rolling Mills
• The Stout Engineering Laboratories
• The Strand Electric and Engineering Co
• The Streetly Manufacturing Co
• The Sunderland Engineering Equipment Co
• The Supermarine Aviation Works (Vickers)
• The Sure-Arc Electrode Co
• The Swiss Locomotive and Machine Works
• The Taylor Aircraft Co
• The Tees Side Bridge and Engineering Works
• The Telegraph Construction and Maintenace Co
• The Tempered Spring Co
• The Temple Varnish Co
• The Texas Oil Co
• The Thermolux Glass Co
• The Thornton-Pickard Manufacturing Co
• The Tilley Lamp Co
• The Timber Fireproofing Co
• Triplex Safety Glass Co
• The Union Cable Co
• The Union Steel and Manufacturing Co
• The United Aircraft Corporation
• The United Steel Companies
• The Universal Ball Bearing, Repair and Manufacturing Co
• The Valor Co
• The Victaulic Co
• The Victoria Electric Plant Co
• The Vigzol Oil Refining Co (London)
• The Viking Flying Boat Co
• The Villiers Engineering Co
• The Vincent Switchgear Manufacturing Co
• The W. Blackwell Oil Co
• The Waco Aircraft Co
• The Walsall Electrical Co
• The Walter Kidde Co
• The Warner Aircraft Corporation
• The Warrington Light Casting Co
• The Weldless Steel Tube Co
• The Wellman Bibby Co
• The Wellman Smith Owen Engineering Corporation
• The Wessex Aircraft Engineering Co
• The West Bromwich Spring Co
• The Westgate Motor House Co (Gloucester)
• The Westminster Engineering Co
• The Whessoe Foundry and Engineering Co
• The Wiley Pist Aircraft Corporation
• The Y. S. C.
• The Yorkshire Copper Works
• The Yorkshire Hennebique Contracting Co
• The Young Accumulator Co (1929)
• The Zenith Carburetter Co
• Theo Phillips, Son and Co
• Thermofelt
• Thermolux Glass Co
• Thews
• Thomas Andrews and Co
• Thomas Bolton and Sons
• Thomas Bradley
• Thomas Bugden and Co
• Thomas Chatwin and Co
• Thomas De la Rue and Co
• Thomas Ellin (Footprint Works)
• Thomas Firth and John Brown
• Thomas Fry
• Thomas Green and Sons
• Thomas Hart
• Thomas Hinshelwood and Co
• Thomas Howse
• Thomas Moscrop and Co
• Thomas P. Hawkins and Son
• Thomas P. Headland
• Thomas Parsons and Sons
• Thomas Sampson
• Thomas Smiths Stamping Works
• Thomas Summerson and Sons
• Thomas Try
• Thomas Wareing and Co
• Thomas Williams and Sons
• Thompson Brothers (Aluminium)
• Thompson Brothers (Bilston)
• Thompson Brothers (Birkenhead)
• Thorium
• Thorn and Hoddle
• Thornes (Worcester)
• Thornton and Co
• Thornton-Pickard Manufacturing Co
• Three Star Accumulators
• Tilghmans Patent Sand Blast Co
• Tilley Lamp Co
• Timber Fireproofing Co
• Timm Aircraft Corporation
• Tipsy Light Aircraft
• Titanine
• Tittley, Son and Brickley
• Tokyo Air Transport Co
• Tokyo Gasu Denki K. K. (The Tokyo Gas and Electrical Co)
• Tokyo Gasu Denki Kabushiki Kaisha (Tokyo Gas and Electrical Co)
• Tokyo Koku Kaisha (Tokyi Aviation Co)
• Tormo
• Tractors
• Tractors (London)
• Transatlantic Oil Co
• Transcontinental and Western Air
• Transportes Aereas Centro Americanos (T. A. C. A.)
• Transportes Aereos Centroamericanos (T. A. C. A.)
• Transportes Aereos del Pacifico, S. A.
• Transreceivers
• Trent Oil Products
• Trevor Construction Co
• Triplex (Northern)
• Triplex Safety Glass Co
• Trojan
• Trost Brothers
• Troughton and Young
• Trussed Concrete Steel Co
• Tuck and Co
• Tucker Armoured Plywood Co
• Tudor Accumulator Co
• Tudor Safety Glass Co
• Tugan Aircraft
• Tungsten Manufacturing Co
• Tungum Sales Co
• Turkish State Airways Exploitation Ad
• Turley and Williams (1925)
• Turner and Newall
• Turner Brothers Asbestos Co
• Turner Machine Tools
• Turner, Naylor and Co
• Turnerised Roofing Co (Great Britain)
• Turners Asbestos Cement Co
• Turners Motor Manufacturing Co
• Turn-Over Filter Co
• Turton Brothers and Matthews
• Twining Models
• Tyme
• Typerlite Co

U

• Union Airways of New Zealand
• Union Cable Co
• Union Corporative Aeronautique
• Union Steel and Manufacturing Co
• United Airlines
• United Electrical Co (Coolex)
• United Filters and Engineering
• United Steel Companies
• Universal Asbestos Manufacturing Co
• The Universal Ball Bearing Rep and Manufacturing Co
• Universal Grinding Wheel Co
• Universal Oil Burners
• Universe Petroleum Co
• Uraba, Medellin and Central Airways
• Urwin and Co

V

• V. A. Ercolani
• V. Foster
• V. Greenhous
• V. L. Churchill and Co
• V. W. Derrington
• Vacuum Oil Co
• Valor Co
• Valtion Lentokonetehdas (The State Aircraft Factory)
• Valvis and Co
• Valvoline Oil Co
• Vandome and Hart
• Varney Air Transport
• Vectic Airports
• Venesta
• Venreco
• Viacao Aero Sao Paulo, S.A.
• Vickers (Aviation)
• Vickers-Armstrongs
• Victaulic Co
• Victoria Drop Forgings Co
• Victoria Electric Plant Co
• Victorian and Interstate Airways
• Vigzol Oil Refining Co (London)
• Villiers Engineering Co
• Villiers Hay Development
• Vincent Switchgear Manufacturing Co
• Vinces Dry Batteries
• Viscount Clive
• Viscount Forbes
• Vojenska Tovarna Na Letadla
• Vosper
• Vulcan Manufacturing (Wolverhampton)
• Vulcanite
• Vultee Aircraft Division, Aviation Manufacturing Corporation

W

• W. A. Hole A.M.I.E.E.
• W. A. Parker and Co
• W. Adams
• W. and A. Williamson and Co
• W. and J. George
• W. and J. Leigh
• W. and J. R. Watson
• W. and T. Avery
• W. and T. Jackson and Co
• W. Annison Bull
• W. B. Dick and Co
• W. B. Harrison
• W. Blackwell Oil Co
• W. Brown
• W. C. Martin and Co
• W. Canning and Co
• W. Courtenay
• W. D. Macpherson
• W. Dorman and Co
• W. E. Davis
• W. Edwards and Co
• W. F. Dennis and Co
• W. F. Smallman and Son
• Snowdon, Sons and Co
• W. G. Robson
• W. Gallimore and Sons
• W. Goldsmith
• W. Greenhalgh
• W. H. Allen, Sons and Co
• W. H. Dorman and Co
• W. H. Hotton and Co
• W. H. Moss
• W. H. Reynolds
• W. H. Reynolds and Co
• W. H. Silvester
• W. Humble
• W. J. Cearns
• W. J. Furse and Co
• W. J. Gunther
• W. J. Smith-Jackson
• W. L. Hey
• W. L. Lewis
• W. L. Runciman
• W. L. S. Macleod
• W. Lindsay Everard, M. P.
• A .W. Martin and Co
• W. McGowing and Co
• W. N. Nicholson and Sons
• W. P. Butterfield
• W. P. O. Evans
• W. P. Taylor
• W. Pound and Co
• W. R. Carpenter
• W. R. D. Perkiss
• W. R. Ellis
• W. R. Norman
• W. R. Porter
• W. R. Thornton
• W. S. Shackleton
• W. T. Bowie and Co
• W. T. Flather
• W. T. Henleys Telegraph Works Co
• W. Taylor-Young
• W. V. Smedley and C. Bell
• W. W. Greener
• W. W. Howard Brothers and Co
• W.A.S.P Air Lines
• Wadkin
• Wakeham Brothers
• Walker and Holroyd (1933)
• Walker and Wilson
• Walker, Crosweller and Co
• Waller and Co
• Walraven
• Walsall Electrical Co
• Walter Kidde Co
• Walter Spencer and Co
• Walters Electrical Manufacturing Co
• Ward and Goldstone
• Ward, Haggas and Smith
• Warrington Light Castings Co
• Watanabe Iron Works Co
• Water Purifiers
• Waterman Arrowplane Corporation
• Watson Duncan Electrical Engineers
• Watson, Saville and Co
• Watts Brothers (Sheffield)
• Wayne Tank and Pump Co
• Wayne V. Myers Co
• Weathershields
• Webb and Wilson
• Webley and Scott
• Webster and Co
• Weddel-Williams Air Service Corp
• Wedderburn and Burn
• Wednesbury Tube Co
• Weir Precision Engineering
• Weldless Steel Tube Co
• Weldox
• Weldrics (1922)
• Wellings and McMillan
• Wellman Bibby Co
• Wellworthy Piston Rings
• Wessex Aircraft Engineering Co
• West Bromwich Spring Co
• West London Welding Co
• West of Scotland Air Services
• Western Air Express Corp
• Western Air Transport
• Western Aircraft
• Western Aircraft Sales
• Western Airways
• Westland Aircraft
• Westminster Engineering Co
• Weston Electrical Instrument Co
• Westwood Rim and Patents
• Westwood, Macneill and Co
• Weybridge Air Services
• Weyburn Engineering Co
• Whessoe Foundry and Engineering Co
• Whipp and Bourne
• White Brothers and Jacobs
• Whites Engineering Co (Pendleton)
• Whitney Straight
• Wideroes Flyveselskap, A/S
• Wild Barfield Electric Furnaces
• Wilfred Robbins
• Wilfrid Overton
• Wilkins and Wright
• Wilkinson, Bentley and Co
• Willford and Co
• William Asquith
• William Bain and Co
• William Bayliss
• William Beardmore and Co
• William Coates and Son
• William Coulthard and Co
• William E. Cary
• William Harland and Son
• William Jessop and Sons
• William Mallinson and Sons
• William Marples and Sons
• William McPhail and Sons
• William Mills
• William Morrison and Sons (Leith)
• William Moyers and Sons
• William Newman and Sons
• William Ridgway and Sons
• William Spencer and Son
• William Standring
• William Stephens and Sons
• William Terrell and Sons
• William Turner and Brother
• William Twigg and Co
• William Ward and Son (Sheffield)
• Williams and Co
• Williams and Howard
• Williams and James
• Williams Brothers (Sheffield)
• Williams Brothers and Piggott
• Williamson Manufacturing Co
• Williamson Packing Co
• Wills Pressure Filled Joint Ring
• Wilmington-Catalina Airline
• Wilmot Breeden
• Wilson Airways
• Wilson Brothers (Leeds)
• Wilson Fyfe and Co
• Wings
• Wolverhampton Die-Casting Co
• Wondegrip Products
• Woods, Sons and Co
• Worcester Windshields and Casements
• Worldwin Pistons
• Worthington-Simpson
• Wright Aeronautical Corporation
• Wright and Weaire
• Wrights Ropes
• Wrightways
• Wryburn Engineering Co
• Wynn Timmins
• Wyoming Air Service

Y

• Y. Goldberg and Sons
• Y. S. C.
• Yacco
• Yorkshire Airways
• Yorkshire Aviation Services Country Club
• Yorkshire Aviation Services Country Club (incorporating York and Leeming Flying Club)
• Yorkshire Copper Works
• Yorkshire Hennebique Contracting Co
• Young Accumulator Co (1929)

Z

• Zenith Carburetter Co
• Zinc Alloy Rust Proofing Co
• Zwicky