| 1 | CDM CONSTRUCTORS INC | $357,651,641 | 1 | $357,651,641 | Feb 21, 2017 | Department of the Interior |
| 2 | JACOBS PROJECT MANAGEMENT CO. | $270,116,821 | 1 | $270,116,821 | Aug 30, 2024 | Department of the Interior |
| 3 | STRONGHOLD ENGINEERING INC | $223,272,264 | 1 | $223,272,264 | Mar 14, 2023 | Department of the Interior |
| 4 | RECORD STEEL AND CONSTRUCTION, INC. | $174,876,497 | 2 | $87,438,249 | Apr 22, 2026 | Department of the Interior |
| 5 | ENVIRONMENTAL CHEMICAL CORPORATION | $173,543,412 | 2 | $86,771,706 | Jul 08, 2022 | Department of Defense |
| 6 | A&R PACIFIC-GARNEY FEDERAL JV | $155,169,380 | 1 | $155,169,380 | May 18, 2023 | Department of Defense |
| 7 | S.J. LOUIS CONSTRUCTION, INC | $151,423,448 | 2 | $75,711,724 | Mar 22, 2023 | Department of the Interior |
| 8 | OSCAR RENDA CONTRACTING INC | $132,007,717 | 1 | $132,007,717 | Sep 20, 2024 | Department of the Interior |
| 9 | AMES FEDERAL CONTRACTING GROUP LLC | $129,487,962 | 2 | $64,743,981 | Apr 03, 2026 | Department of the Interior |
| 10 | ARCHER WESTERN CONSTRUCTION, LLC | $124,912,398 | 2 | $62,456,199 | Sep 23, 2022 | Department of the Interior |
| 11 | PERINI MANAGEMENT SERVICES, INC. | $111,808,112 | 2 | $55,904,056 | Jul 20, 2026 | Department of the Interior |
| 12 | G.S.E. CONSTRUCTION COMPANY, INC. | $109,487,800 | 1 | $109,487,800 | May 28, 2026 | Department of the Interior |