| W912HZ25FA032 | TETRA TECH, INC. | $176,748 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | — | 541620 | R425 | Aug 29, 2025 | Sep 4, 2025 | Sep 3, 2026 |
| W912PQ25FA030 | TETRA TECH, INC. | $158,467 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541620 | F999 | Aug 27, 2025 | Aug 29, 2025 | Aug 28, 2026 |
| 68HERH25F0311 | TETRA TECH, INC. | $136,092 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620 | R499 | Aug 22, 2025 | Aug 22, 2025 | Aug 21, 2026 |
| 68HERH25F0282 | TETRA TECH, INC. | $3,399,245 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620 | U006 | Aug 21, 2025 | Aug 21, 2025 | Aug 20, 2026 |
| W9127825FA080 | TETRA TECH, INC. | $2,255,206 | DEPT OF THE ARMY | US SECRET SERVICE | — | 541330 | C211 | Jul 17, 2025 | Jul 18, 2025 | Jul 17, 2026 |
| 68HERH25F0269 | TETRA TECH, INC. | $1,239,749 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620 | R499 | Jul 9, 2025 | Jul 9, 2025 | Jul 10, 2030 |
| 68HERC25F0288 | TETRA TECH, INC. | $521,678 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620 | R425 | Jul 3, 2025 | Jul 7, 2025 | Jul 6, 2028 |
| 1284LM25F0021 | TETRA TECH, INC. | $246,945 | FOREST SERVICE | FOREST SERVICE | — | 541620 | F011 | Jul 1, 2025 | Jul 1, 2025 | Jun 30, 2026 |
| W9127825F0138 | TETRA TECH, INC. | $3,411,047 | DEPT OF THE ARMY | DEPT OF THE AIR FORCE | — | 541330 | C219 | Jun 10, 2025 | Jun 10, 2025 | Jul 15, 2026 |
| 68HERC25F0237 | TETRA TECH, INC. | $1,997,313 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620 | R499 | Jun 4, 2025 | Jun 6, 2025 | Jun 5, 2028 |
| 70Z08425CCLEV0002 | TETRA TECH, INC. | $771,217 | US COAST GUARD | US COAST GUARD | — | 541380 | H946 | Feb 21, 2025 | Feb 1, 2025 | Jan 31, 2030 |
| FA564124F0015 | TETRA TECH, INC. | $397,798 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 562910 | R425 | Sep 17, 2024 | Sep 23, 2024 | Mar 23, 2026 |
| FA564124F0016 | TETRA TECH, INC. | $299,938 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 562910 | R425 | Sep 13, 2024 | Sep 20, 2024 | Mar 26, 2026 |
| W9126G24F0286 | TETRA TECH, INC. | $16,990,129 | DEPT OF THE ARMY | DEPT OF THE AIR FORCE | — | 541620 | F999 | Aug 15, 2024 | Aug 15, 2024 | Apr 30, 2029 |
| 89303924FEM000296 | TETRA TECH, INC. | $375,381 | ENERGY, DEPARTMENT OF | ENERGY, DEPARTMENT OF | — | 541620 | B510 | Apr 25, 2024 | May 1, 2024 | Jun 30, 2026 |
| 19AQMM24F0564 | TETRA TECH, INC. | $116,766 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 541330 | Y1AA | Mar 11, 2024 | Mar 11, 2024 | Jul 31, 2026 |
| 70Z02323F47000001 | TETRA TECH, INC. | $517,243 | US COAST GUARD | US COAST GUARD | — | 541330 | R425 | Sep 29, 2023 | Sep 30, 2023 | Mar 29, 2026 |
| W9127823F0289 | TETRA TECH, INC. | $3,975,724 | DEPT OF THE ARMY | DEPT OF THE AIR FORCE | — | 541330 | C219 | Aug 17, 2023 | Aug 17, 2023 | Aug 16, 2026 |
| 68HERC23F0356 | TETRA TECH, INC. | $1,349,270 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620 | R425 | Jul 6, 2023 | Jul 6, 2023 | Jul 6, 2026 |
| 19AQMM23F1349 | TETRA TECH, INC. | $19,116,763 | Department of State | STATE, DEPARTMENT OF | — | 541330 | R408 | Jun 15, 2023 | Jun 20, 2023 | Jun 19, 2026 |
| 68HERC23F0296 | TETRA TECH, INC. | $1,167,199 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541620 | R425 | Jun 8, 2023 | Jun 8, 2023 | Jun 7, 2026 |
| W912EF23F9200 | TETRA TECH, INC. | $0 | DEPT OF THE ARMY | — | — | 541330 | C219 | May 25, 2023 | May 25, 2023 | May 23, 2026 |
| 1282B123F0020 | TETRA TECH, INC. | $431,124 | FOREST SERVICE | FOREST SERVICE | — | 541620 | F999 | Mar 14, 2023 | Mar 10, 2023 | Apr 30, 2026 |
| W90VN722F0154 | TETRA TECH, INC. | $1,712,329 | DEPT OF THE ARMY | DEPT OF THE AIR FORCE | — | 541330 | R425 | Sep 27, 2022 | Sep 27, 2022 | Jul 31, 2027 |
| 89233122FNA400438 | TETRA TECH, INC. | $4,156,339 | PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION | ENERGY, DEPARTMENT OF | — | 541620 | F999 | Apr 25, 2022 | May 2, 2022 | May 1, 2026 |