1904-1973, supplier of wholesale chemicals & drugs, England, British British Drug Houses Limited 1904 - 1973
active 1897-1968, laboratory apparatus and instrument maker, London, England Baird and Tatlock (London) Limited 1897 - 2012
1890-1932, manufacturer of gas engines, Ashton-under-Lyne, England National Gas Engine Company 1890 - 1932
1895-c.1950, gas and laboratory equipment manufacturer, Warrington, Cheshire, England Fletcher Russell and Company Limited 1895
1907-1927, camera and photographic equipment manufacturer, Rochester, New York Folmer-Schwing Division of Eastman Kodak 1907 - 1945
1892-1974, manufacturer of radios, televisions, batteries, white goods and computers, Philadelphia, America Philco Corporation 1892 - 1974
1898-1931, recording company; gramophone and radio manufacturer, British Gramophone Company Limited 1898 - 1931
active, c. 1930 - current (2009), manufacturer of water purification equipment, United Kingdom The Permutit Company Limited 1912 - 1993
1896-1947, scientific instrument and radio manufacturer, Cambridge W G Pye and Company Limited 1896 - 1947
active 1900-1960s, manufacturer of electrical measuring equipment, Hendon, England Everett, Edgcumbe and Company Limited 1905 - 1968
1901-1951, optical, lens, camera and cinematographic equipment manufacturer, Birmingham Aldis Brothers 1901 - 1951
1895-1990s, poster printer; printer, London; St Albans, Hertfordshire Dangerfield Printing Company Limited 1895
1901-1987, electrical & electronic engineering equipment manufacturer, England, British Ferranti Limited 1901 - 1987
1903-1940s , camera manufacturer, retailer, Westminster, London, England Westminster Photographic Exchange Limited 1903
active 1898-1968, compressor/engineering product manufacture, High Wycombe, Buckinghamshire, British Broom and Wade Limited 1898 - 1968
1910-2003, manufacturer of bicycles, Aston, Birmingham, England, British Hercules Cycle and Motor Company Limited 1910 - 2003
1899-1963, electronic communication equipment manufacturer, England, British Marconi Wireless Telegraph Company Limited 1900 - 1963
1913-1947, scientific instrument maker, Glasgow, Scotland & London, England Kelvin, Bottomley & Baird Limited 1913 - 1947
1907-1957, manufacturer of motorcycles, Kingswood, Bristol, England Douglas (Kingswood) Limited 1907 - 1957
active 1905-1967, electrical instrument maker, London, England, British Elliott Brothers (London) Limited 1905 - 1967
1891-active 1940s, silversmith; medalmaker, England Alexander Clark Manufacturing Company Limited 1912
1903-, manufacturer of scientific instruments, Acton, London; Watford, England S G Brown Limited 1903