| 1 | HARRIS CORPORATION | $4,515,813,880 | 5 | $903,162,776 | Jul 01, 2021 | Department of Transportat… |
| 2 | AT&T ENTERPRISES, LLC | $2,579,515,886 | 27 | $95,537,625 | Sep 27, 2025 | Department of Homeland Se… |
| 3 | PERATON INC. | $1,783,543,363 | 2 | $891,771,682 | Mar 01, 2023 | Department of Commerce |
| 4 | LUMEN TECHNOLOGIES GOVERNMENT SOLUTIONS, IN… | $1,062,679,559 | 34 | $31,255,281 | May 18, 2026 | National Aeronautics and … |
| 5 | VERIZON BUSINESS NETWORK SERVICES LLC | $813,338,912 | 33 | $24,646,634 | Jun 01, 2026 | Department of Commerce |
| 6 | AT&T TECHNICAL SERVICES COMPANY, INC | $309,248,791 | 1 | $309,248,791 | Jan 18, 2021 | Department of State |
| 7 | WIDEPOINT INTEGRATED SOLUTIONS CORP | $284,638,339 | 22 | $12,938,106 | Aug 25, 2026 | Department of Homeland Se… |
| 8 | GENERAL DYNAMICS MISSION SYSTEMS, INC. | $269,100,815 | 3 | $89,700,272 | Aug 26, 2024 | Department of Homeland Se… |
| 9 | KBR WYLE SERVICES, LLC | $239,571,722 | 1 | $239,571,722 | Aug 10, 2019 | National Aeronautics and … |
| 10 | MANHATTAN TELECOMMUNICATIONS CORPORATION LLC | $184,833,675 | 5 | $36,966,735 | Jan 13, 2022 | Department of Homeland Se… |
| 11 | ATT MOBILITY LLC | $124,866,223 | 26 | $4,802,547 | Sep 01, 2026 | Department of Homeland Se… |
| 12 | NORTHROP GRUMMAN SYSTEMS CORPORATION | $85,783,587 | 2 | $42,891,794 | Feb 14, 2022 | Department of Transportat… |
