Name	Entered office	Left office	Party	Notes
Tony Benn	5 March 1974	10 June 1975	Labour
Eric Varley	10 June 1975	4 May 1979	Labour
Sir Keith Joseph	7 May 1979	14 September 1981	Conservative
Patrick Jenkin	14 September 1981	12 June 1983	Conservative

Merged with Secretary of State for Trade to form Secretary of State for Trade and Industry (which previously existed 1970-1974). See also Secretary of State for Industry, Trade, and Regional Development.