active 1925-1998, manufacturer of pharmaceutical and medical supplies, Liverpool Evans Medical Limited 1925 - 1998
1926-late 1960s, photographic advertising agency, England Photographic Advertising Limited 1926 - 1969
active 1944-1954, laboratory apparatus & instrument maker, London, England W and J George and Becker Limited 1910 - 1954
1924-1986, pharmaceutical company, museum and research laboratories, English; British The Wellcome Foundation Limited 1924 - 1986
active 1924/6-1967, electrical measuring & scientific instrument maker, London, England, British Cambridge Scientific Instrument Company Limited 1924 - 1967