1926-late 1960s, photographic advertising agency, England Photographic Advertising Limited 1926 - 1969
1927-1971, manufacturer of dyestuffs, Blackley, Manchester, England Imperial Chemical Industries Limited, Dyestuffs Division 1927 - 1971
1931-1979, recording & consumer electrical/electronic goods manufacturer, United Kingdom Electric and Musical Industries Limited 1931 - 1979
active 1944-1954, laboratory apparatus & instrument maker, London, England W and J George and Becker Limited 1910 - 1954
c. 1908-c. 1957, manufacturer of photographic film and accessories, England Dufay-Chromex Limited 1930 - 1957
1930-1952, audio, phonographic products and magnetic recording manufacturer, Cleveland, United States Brush Development Company 1930 - 1952
active 1927-2008, physican; orthopaedic surgeon; designer of artificial limbs, Indian Sethi, Pramod Karan 1927 - 2008
1927-1969, promoter of health education, London, United Kingdom Central Council for Health Education 1927 - 1969
1930-1994, manufacturer of recording equipment, Arlington, United States Ralph Gerbrands Company 1930 - 1994
1928-1946, camera and photographic equipment manufacturer, Rochester Folmer Graflex Corporation 1928 - 1946
1929-1934, manufacturer, Saltley Metropolitan-Cammell Carriage, Wagon & Finance Company Ltd. 1929 - 1934