active 1920-1970, manufacturer of pharmaceuticals; chemical manufacturer, UK subsiduary of Swiss co Geigy (UK) Limited 1920 - 1970
1908-current (2010), manufacturer of pharmaceutical products; dispensing chemists, London, England John Bell and Croyden Limited 1908
1902-currrent (2022), stationery, cleaning, pharmaceutical and audio-visual group, United States 3M 1902
1961-1997, manufacturer of pharmaceutical products, Macclesfield, England Zyma (United Kingdom) Limited
active 1950s-1980s?, manufacturer of pharmaceutical products, London, England Duncan, Flockhart and Evans Limited
active 1989, manufacturer of pharmaceutical/chemical products (barrier cream), Romford, England Hughes and Hughes Limited