1 Service Battalion (1 Svc Bn; ) is a deployable field unit of the Canadian Forces. It provides second- and limited third-line combat service support to units throughout the 3rd Canadian Division. Located at Steele Barracks, Canadian Forces Base Edmonton, 1 Svc Bn is composed of the Battalion Headquarters and four functional companies: Transportation, Supply, Maintenance, and Administration. Administration Company is unique in that it provides first-line support to the battalion itself, while the remaining companies provide second- and limited third-line support to units across the 3rd Canadian Division.