Formed on 3 December 1917 as the 43d Engineers (Auxiliary Forestry Battalion) and was organized on 4 January 1918, at Camp American University, Washington.

Reconstituted 1 October 1933 as the 43rd Engineers (General Service) and was activated at Fort Snelling, Minnesota on 10 February 1941, before being redesignated on 16 March 1943 as the 43rd Engineer General Service Regiment.

The battalion was reorganized and redesignated as Headquarters, Headquarters and Service Company, 43rd Engineer Construction Battalion on 15 June 1947 (organic elements concurrently reconstituted and activated).

The battalion was reactivated on 25 April 1966 at Fort Benning, Georgia, and was later inactivated on 15 July 1994.

World War I: Streamer without inscription World War II: East Indies; Papua; New Guinea; Luzon Southwest Asia: Defense of Saudi Arabia; Liberation and Defense of Kuwait Armed Forces Expeditions: Somalia This article incorporates public domain material from websites or documents of the United States Army Center of Military History.