Bristol Siddeley ended in 1966.
Bristol Siddeley was created in 1959.
Hawker Siddeley ended in 1992.
Hawker Siddeley was created in 1934.
Armstrong Siddeley was created in 1919.
Armstrong Siddeley Lancaster was created in 1945.
Armstrong Siddeley Hurricane was created in 1946.
Armstrong Siddeley Tempest was created in 1946.
Armstrong Siddeley Typhoon was created in 1946.
Bristol Packers ended in 1991.
Bristol Open ended in 1989.
The motto of Hawker Siddeley Switchgear is 'Your power in safe hands'.
Bristol Development Corporation ended in 1995.