1931-current (2022), manufacturer of electronic equipment, London, England Multitone Electronic Company Limited 1931
active 1937-current (2011), manufacturer of pharmaceuticals, English subsiduary of American company Abbott Laboratories Limited 1937
1925-current (2022), manufacturer of motion picture cameras and lenses, Switzerland Paillard-Bolex 1925
1927-current (2021), motion picture and stage lighting manufacturer, United States Mole-Richardson 1927
active 1927-2008, physican; orthopaedic surgeon; designer of artificial limbs, Indian Sethi, Pramod Karan 1927 - 2008
1924-current (2022), manufacturer of electrical equipment, Berlin, Germany Beyerdynamic GmbH & Co KG 1924
1930-1952, audio, phonographic products and magnetic recording manufacturer, Cleveland, United States Brush Development Company 1930 - 1952
c.1925-1980, canned and dried food manufacturers, Brighton, Sussex, England, British H. J. Green & Co. Ltd 1925 - 1980
1935-2015, theatre scenographer; artist; portraitist, active England, Zimbabwean born Sonnabend, Yolanda 1935 - 2015
1935-1992, manufacturer of railway signalling equipment, England Westinghouse Brake & Signal Company 1935 - 19922