1891-1987, physiological instrument maker, London, England, British C F Palmer (London) Limited 1891 - 1987
1897-1968, engineering and manufacturing: agricultural; marine; civil; and aeronautical, Norwich, Norfolk, England, British Boulton and Paul Limited 1812 - 1968
1891-1972, artist; painter; wood engraver; printmaker; poster artist, British White, Ethelbert Basil 1891 - 1972
active 1918-1992, manufacturer of cinematographic equipment, France Etablissements André Debrie 1891 - 1967
active 1891-current (2008), research pharmaceutical company, New Jersey Merck and Company Incorporated 1891
1891-current (2021), manufacturer of electrical and medical equipment, Eindhoven, Netherlands, Dutch Philips Electronics 1891