| 1 | LABORATORY CORPORATION OF AMERICA | $124,791,397 | 75 | $1,663,885 | Aug 01, 2026 | Department of Veterans Af… |
| 2 | QUEST DIAGNOSTICS INCORPORATED | $116,020,370 | 63 | $1,841,593 | Jul 01, 2026 | Department of Veterans Af… |
| 3 | SNA INTERNATIONAL LLC | $63,448,103 | 1 | $63,448,103 | May 23, 2022 | Department of Defense |
| 4 | THE HENRY M. JACKSON FOUNDATION FOR THE ADV… | $37,784,099 | 1 | $37,784,099 | Jun 08, 2018 | Department of Defense |
| 5 | PEMBROOKE OCCUPATIONAL HEALTH, INC. | $33,095,570 | 2 | $16,547,785 | May 15, 2025 | Department of Defense |
| 6 | COLLEGE OF AMERICAN PATHOLOGISTS | $18,440,470 | 1 | $18,440,470 | Jan 03, 2025 | Department of Veterans Af… |
| 7 | HELIX OPCO LLC | $13,506,150 | 1 | $13,506,150 | May 16, 2022 | Department of Health and … |
| 8 | FAMILY HEALTH INTERNATIONAL | $12,846,610 | 1 | $12,846,610 | Oct 28, 2024 | Agency For International … |
| 9 | CHEROKEE NATION OPERATIONAL SOLUTIONS, L.L.… | $10,735,375 | 1 | $10,735,375 | Sep 29, 2023 | Department of Health and … |
| 10 | ARUP LABORATORIES INC | $9,539,579 | 6 | $1,589,930 | May 15, 2026 | Department of Veterans Af… |
| 11 | QUEST DIAGNOSTICS CLINICAL LABORATORIES, IN… | $9,427,232 | 1 | $9,427,232 | Apr 07, 2016 | Department of Health and … |
| 12 | TATITLEK FEDERAL SERVICES LLC | $8,387,622 | 1 | $8,387,622 | Sep 23, 2023 | Department of Defense |