| 1 | LABORATORY CORPORATION OF AMERICA | $430,211,312 | 220 | $1,955,506 | Oct 05, 2026 | Department of Veterans Af… |
| 2 | QUEST DIAGNOSTICS INCORPORATED | $417,420,888 | 227 | $1,838,859 | Mar 01, 2027 | Department of Veterans Af… |
| 3 | FOUNDATION MEDICINE, INC. | $110,295,766 | 5 | $22,059,153 | Sep 22, 2026 | Department of Veterans Af… |
| 4 | SNA INTERNATIONAL LLC | $63,448,103 | 1 | $63,448,103 | May 23, 2022 | Department of Defense |
| 5 | PEMBROOKE OCCUPATIONAL HEALTH, INC. | $56,659,923 | 4 | $14,164,981 | May 15, 2025 | Department of Defense |
| 6 | FULGENT THERAPEUTICS LLC | $54,946,705 | 5 | $10,989,341 | Sep 30, 2025 | Department of Veterans Af… |
| 7 | LOYAL SOURCE GOVERNMENT SERVICES LLC | $50,198,009 | 1 | $50,198,009 | Sep 30, 2019 | Department of Defense |
| 8 | THE HENRY M. JACKSON FOUNDATION FOR THE ADV… | $37,784,099 | 1 | $37,784,099 | Jun 08, 2018 | Department of Defense |
| 9 | ARUP LABORATORIES INC | $33,690,340 | 22 | $1,531,379 | Oct 01, 2026 | Department of Veterans Af… |
| 10 | CENTER FOR DISEASE DETECTION, LLC | $33,515,540 | 8 | $4,189,442 | Dec 18, 2025 | Department of Defense |
| 11 | MAYO COLLABORATIVE SERVICES, INC. | $28,005,945 | 14 | $2,000,425 | Jan 01, 2027 | Department of Veterans Af… |
| 12 | QUEST DIAGNOSTICS NICHOLS INSTITUTE | $26,092,740 | 2 | $13,046,370 | Jan 09, 2022 | Department of Health and … |