Tetra Tech, Inc.
Pasadena, CA · UEI LMRMKLLL3LG5 · NAICS 541620
Tetra Tech, Inc. is a federal contractor based in Pasadena, CA operating in professional, scientific, and technical services (NAICS 541620). Tetra Tech, Inc. has received $1.10 billion in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 577 contracts totaling $1.17 billion for this firm. Tetra Tech, Inc.'s largest customer is Department Of State, accounting for $558.99 million of awarded work.
Top contracts
| PIID | Agency | Latest action | Obligated |
|---|---|---|---|
| 19AQMM22F3911 | Department Of State | September 29, 2025 | $218.58M |
| 19AQMM19F0312 | Department Of State | September 24, 2021 | $139.38M |
| SAQMMA17F1220 | Department Of State | September 27, 2023 | $61.08M |
| 19AQMM18F0167 | Department Of State | September 17, 2021 | $48.28M |
| 19AQMM24F0007 | Department Of State | June 30, 2026 | $44.20M |
| FA872322F9009 | Department Of Defense | December 2, 2025 | $39.65M |
| 7200AA18M00014 | Agency For International Development | September 27, 2024 | $37.57M |
| 7200AA22M00018 | Agency For International Development | September 9, 2024 | $26.23M |
| 7200AA22N00003 | Agency For International Development | September 27, 2024 | $20.31M |
| 72066020F00005 | Agency For International Development | September 25, 2025 | $19.97M |
Top customers
| Agency | Obligated | Contracts |
|---|---|---|
| Department Of State | $558.99M | 17 |
| Agency For International Development | $238.72M | 19 |
| Department Of Defense | $222.45M | 283 |
| Environmental Protection Agency | $32.27M | 37 |
| Department Of Energy | $20.35M | 14 |
| Department Of Homeland Security | $8.81M | 13 |
| Department Of Commerce | $4.03M | 1 |
| Department Of Agriculture | $3.30M | 12 |
NAICS portfolio
| NAICS | Description | Obligated |
|---|---|---|
| 562910 | Remediation Services | $559.97M |
| 541330 | Engineering Services | $429.47M |
| 541620 | Environmental Consulting Services | $95.90M |
| 237310 | — | $5.94M |
| 541512 | Computer Systems Design Services | $4.03M |
| 541320 | Landscape Architectural Services | $1.24M |
Track this on BesaGov
Get a free weekly email when this changes — new awards, new sub-awards, new opportunities. No login required.
Continue learning
Keep researching
Frequently asked questions
How much has Tetra Tech, Inc. received in federal contracts?
Tetra Tech, Inc. has received $1.10 billion in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 577 contracts totaling $1.17 billion for this firm. Their largest customer is Department Of State, representing $558.99 million of awarded work.
What does Tetra Tech, Inc. do?
Tetra Tech, Inc. is a federal contractor based in Pasadena, CA, registered under NAICS 541620 (professional, scientific, and technical services).