Gateway Maintenance and Support Services (GMSSA) Inactive Notice ID:HC1013-18-R-0021 See attached J&A. Department/Ind.Agency Subtier Office DEPT OF DEFENSE DEFENSE INFORMATION SYSTEMS AGENCY (DISA) TELECOMMUNICATIONS DIVISION- HC1013 NAICS 517410 - Satellite Telecommunications PSC ADP AND TELECOMMUNICATIONS LOCATION: Show Links & Attachments Links () Attachments () Data sourced from SAM.gov. View Official Posting »