| 1 | MAXIMUS FEDERAL SERVICES, INC. | $3,733,881,892 | 21 | $177,803,900 | Sep 30, 2026 | Department of the Treasury |
| 2 | INSPIRITEC INC | $281,577,663 | 2 | $140,788,832 | Oct 25, 2021 | Department of Defense |
| 3 | BOWEN CONSULTING GROUP, INC., THE | $127,083,871 | 2 | $63,541,935 | Feb 06, 2025 | Department of Veterans Af… |
| 4 | STRATEGIC DATA SYSTEMS, INC. | $86,851,819 | 6 | $14,475,303 | Dec 15, 2025 | Department of Defense |
| 5 | KECH INC | $55,406,228 | 4 | $13,851,557 | Jan 30, 2026 | Department of Homeland Se… |
| 6 | MAGELLAN HEALTHCARE INC | $52,348,440 | 2 | $26,174,220 | Sep 30, 2016 | Department of Defense |
| 7 | FRED HUTCHINSON CANCER CENTER | $51,272,762 | 2 | $25,636,381 | May 01, 2025 | Department of Health and … |
| 8 | LEIDOS, INC. | $26,971,460 | 1 | $26,971,460 | Sep 15, 2021 | Department of Defense |
| 9 | ENCORE JV1 LLC | $21,865,645 | 1 | $21,865,645 | Aug 06, 2026 | Department of Veterans Af… |
| 10 | K4 SOLUTIONS, INC | $19,326,145 | 1 | $19,326,145 | Feb 02, 2017 | Department of Homeland Se… |
| 11 | PEARL INTERACTIVE NETWORK LLC | $18,947,298 | 3 | $6,315,766 | Sep 25, 2026 | Department of Health and … |
| 12 | PECKHAM VOCATIONAL INDUSTRIES, INC. | $13,432,626 | 1 | $13,432,626 | Jun 01, 2022 | Department of Health and … |
