D--Telephone and Fax Services for OST Inactive Notice ID:140D0420Q0599 Telephone and Fax Services Department/Ind.Agency Subtier Office INTERIOR, DEPARTMENT OF THE DEPARTMENTAL OFFICES IBC ACQ SVCS DIRECTORATE (00004) NAICS 517111 - Wired Telecommunications Carriers PSC IT AND TELECOM- TELECOMMUNICATIONS AND TRANSMISSION Data sourced from SAM.gov. View Official Posting »