Law Enforcement Agencies in Quantico, VA VA › Prince William County Agencies serving the city of Quantico in VA. Agency Types in Quantico Military 12 agencies Municipal Police 1 agencies All Agencies in Quantico, VA Department of the Air Force Prince William County Department of the Army Prince William County Department of the Army Prince William County Department of the Army Prince William County Department of the Army Prince William County Department of the Army Prince William County Department of the Army-Law Enf Div Prince William County Department of the Army-Law Enf Div Prince William County Department of the Navy Prince William County Department of the Navy Prince William County Department of the Navy Prince William County Quantico MCB Prince William County Town of Quantico Police Department Prince William County
