1937-current (2022), multinational specialising in imaging and optical products, Japan Canon Camera Co. Inc. 1937
active 1941-current (2007), X-ray crystallography instrument makers, Massachusetts, United States Charles Supper Company 1941
active 1937-current (2008), anaesthetics teaching, research, University of Oxford, British Nuffield Dept. of Anaesthetics 1937
active 1939-current (2016), computer software and hardware technology company, United States, American Hewlett Packard Company 1939