1950-2000, manufacturer car parts, electronics, consumer goods, Indianapolis Arvin Industries Incorporated 1950 - 2000
c.1950-c.1975, public address equipment manufacturer, Middlesex, England Grampian Reproducers Ltd. 1950 - 1975
1949; railway employee, railway catering manager, railway passenger manager, railway manager, railway company director Steel, Lawrence Theodore Thomas 1949 - 2010
1949-2003, manufacturer of optics and imaging equipment, Japan Olympus Optical Company Limited 1949 - 2003
active 1954-1971, pharmaceutical researcher and manufacturer, UK subsiduary of Swiss parent CIBA Laboratories Limited 1954 - 1971
1951-about 1992, computer manufacturer, Massachusetts, United States Wang Laboratories Inc 1951 - 1992
1954-present (2010), independent government body, England Yorkshire Dales National Park Authority 1954
active 1950-current (2010), manufacturer of consumer paper products, Kent, United Kingdom Kimberly-Clark Limited 1950
active 1952-current (2011), medical research charity, Horsham, Sussex, England Action Medical Research 1952