The 105th Technical & Administrative Services Group,[1][2] known officially as Haribon Group, is one of five TAS units of the 1st Technical and Administrative Services Brigade (Reserve) of the AFP Reserve Command, and is based in Quezon City.

The unit provides combat service support services to the 1502nd Infantry Brigade (Ready Reserve) and 1503rd Infantry Brigade (Ready Reserve) of the Army Reserve Command.

It is primarily tasked to support maneuver units of the AFP Reserve Force operating within these areas.

Officers of the 105TASG, AFPRESCOM are directly commissioned through AFP Circular Nr.

4 and 6 and may come from any of the following professions:[1] The following are the units that are presently placed under operational control of the 105th Technical & Administrative Services Group (Reserve).