1948-1992, railway company regional authority, United Kingdom British Railways, Western Region 1948 - 1992
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
active 1948-1969, optical instrument maker (spectroscopes etc.), London, England Hilger and Watts Limited 1948 - 1969
1948-1977, goldsmiths, assayers and photographic chemists, Hendon Johnsons of Hendon Limited 1948 - 1972
1949; railway employee, railway catering manager, railway passenger manager, railway manager, railway company director Steel, Lawrence Theodore Thomas 1949 - 2010
1955-1979, commerical and industrial electronics manufacturer, Britain EMI Electronics Limited 1955 - 1979
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
1948-1967, railway company regional authority, British British Railways, North Eastern Region 1948 - 1967
1955-2001, government department, United Kingdom Ministry of Agriculture, Fisheries and Food 1955 - 2001
1951-about 1992, computer manufacturer, Massachusetts, United States Wang Laboratories Inc 1951 - 1992
active 1955 and 1993-2007, manufacturer of business machines, United Kingdom Grundig UK Limited 1955 - 2007