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
1947-1990s; aircraft maintenance, manufacturer of electronic equipment; Haddenham, Buckinghamshire, England Airtech Ltd 1947 - 1999
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
1945-2000, manufacturer of insulated cables, Helsby, England British Insulated Callenders Cables Plc 1945 - 2000
1947-1966, marine and aero navigation instrument designer; manufacturer, British Kelvin and Hughes Limited 1947 - 1966
active 1956-1980s, manufacturer of die-cast toy vehicles, Swansea, Wales Corgi Toys Limited 1956 - 1983
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