Justification (Updated) Inactive Notice ID:2MS0207 See attached JOTFOC. Department/Ind.Agency Subtier Office GENERAL SERVICES ADMINISTRATION PUBLIC BUILDINGS SERVICE PBS R4 NAICS 531120 - Lessors of Nonresidential Buildings (except Miniwarehouses) PSC LEASE/RENTAL OF OFFICE BUILDINGS Data sourced from SAM.gov. View Official Posting »