The 105th Technical & Administrative Services Group, known officially as Haribon Group, is one of five TAS units of the of the AFP Reserve Command, and is based in Quezon City. The unit provides combat service support services to the and of the Army Reserve Command. The AOR of the 105th TAS Group covers the entirety of Quezon City and the City of Marikina. It is primarily tasked to support maneuver units of the AFP Reserve Force operating within these areas.