of Spring Hill, Birmingham
1822 Company established.
1879 Joined by partner.
1880s Advertisement dated 1882 or 1888 shows a horizontal compound steam engine and states that they make machines for mechanical refrigeration. It also identifies three separate works:-
- Spring Hill Works (Gas engineers, ironfounders, boiler, bridge, girder and gasholder makers).
- Atlas Works, Oozells Street (Engine builders, hydraulic and general engineers, coppersmiths and ironfounders. Note: see also Atlas Engine Co and Duvallon and Lloyd
- Hooper Street Works (waterworks engineers, boiler makers).
1885 Linde British Refrigeration Co acquired the goodwill of the refrigeration business of Thomas Piggott and Co of Birmingham. 
1892 Incorporated as a limited company.
1896/7 Directory: Advertiser. More detail 
1914 General engineers. Specialities: gasholders, gas plants, large welded and riveted steel pipes, patent steel-pressed, steel and other tanks. 
1925 Joint company, Guest, Keen and Piggotts Ltd, was formed with Guest, Keen and Nettlefolds making and selling steel water pipe at GKN's Cardiff plant
By 1930 was a subsidiary of Horseley Bridge and Engineering Co
1933 The company was completely absorbed by Horseley Bridge and Engineering Co; name changed to Horseley Bridge and Thomas Piggott.
1934 The Spring Hill works were closed
1935 Guest, Keen and Piggotts closed.
Sources of Information
- ↑ Stationary Steam Engine Makers Vol 2 Compiled by George Watkins, Landmark Publishing Ltd, 2006
- ↑ The Stock Exchange Year Book 1908
- ↑ Peck's Trades Directory of Birmingham, 1896-97: Advertisers
- ↑ 1914 Whitakers Red Book
- ↑ The Times, Jun 27, 1925
- ↑ The Times, Jun 18, 1930
- ↑ The Times, Jul 19, 1933
- ↑ The Times, Jun 22, 1934