VPNS Service at Guam Notice ID:HC101926QA003 VPNS Service at Guam Department/Ind.Agency Subtier Office DEPT OF DEFENSE DEFENSE INFORMATION SYSTEMS AGENCY (DISA) DITCO-PAC NAICS 517111 - Wired Telecommunications Carriers PSC IT and Telecom - Network: Telecom Access Services Data sourced from SAM.gov. View Official Posting »