| 1 | TRIWEST HEALTHCARE ALLIANCE CORP | $935,875,640 | 35 | $26,739,304 | Sep 01, 2026 | Department of Veterans Af… |
| 2 | OPTUMRX ADMINISTRATIVE SERVICES, LLC | $930,089,124 | 18 | $51,671,618 | Apr 01, 2026 | Department of Veterans Af… |
| 3 | WISCONSIN PHYSICIANS SERVICE INSURANCE CORP. | $666,931,277 | 8 | $83,366,410 | Jun 30, 2021 | Department of Defense |
| 4 | SIGNATURE CHOICE II, LLC | $328,881,375 | 3 | $109,627,125 | Sep 30, 2025 | Department of Veterans Af… |
| 5 | INTERNATIONAL SOS GOVERNMENT SERVICES LLC | $313,981,361 | 3 | $104,660,454 | Sep 01, 2020 | Department of Defense |
| 6 | OPTUMSERVE TECHNOLOGY SERVICES, INC. | $200,777,405 | 2 | $100,388,703 | Apr 17, 2021 | Department of Health and … |
| 7 | TORRENT TECHNOLOGIES, INC. | $189,258,440 | 5 | $37,851,688 | Sep 30, 2022 | Department of Homeland Se… |
| 8 | SERCO INC | $178,827,485 | 2 | $89,413,742 | Nov 19, 2020 | Pension Benefit Guaranty … |
| 9 | OST INC | $162,693,622 | 2 | $81,346,811 | Jun 01, 2015 | Department of Homeland Se… |
| 10 | SIGNATURE CHOICE, LLC | $147,885,332 | 1 | $147,885,332 | May 08, 2023 | Department of Veterans Af… |
| 11 | ARDENT GROUP, LLC | $93,203,767 | 2 | $46,601,883 | May 15, 2026 | Department of Homeland Se… |
| 12 | INTERNATIONAL MEDICAL GROUP INC | $88,795,930 | 9 | $9,866,214 | Sep 30, 2026 | Corporation For National … |
