1951; railway employee, railway engineer, railway telecommunications manager, telecommunications company employee MacLean, David Iain 1951
1953; economist, railway regulatory body leader, transport regulator employee Bolt, Christopher Wesley 1953
1951-current (2022), science-based technology company and manufacturer, Britain 3M (United Kingdom) plc 1951
1953; railway employee, railway planning manager, personal assistant, railway company director, railway infrastructure company director, civil servant, railway company director Brown, Richard Howard 1953
1977-, civil and military aircraft/ weapon/ communication system manufacturers, England British Aerospace plc 1977
1994-current (2009), manufacturer of DNA and forensic analysis equipment, England Tetra Scene of Crime Limited 1994
1959-current (2011), ceramics, electronics and telecommunications corporation, Kyoto Kyocera Corporation 1959
1991-current (2011), manufacturer of electrical equipment, Malmesbury, Wiltshire, England Dyson Appliances Limited 1991