Tetra Tech, Inc.
Oakland, CA · UEI J8CNBANBZ6U8 · NAICS 541620
Tetra Tech, Inc. is a federal contractor based in Oakland, CA operating in professional, scientific, and technical services (NAICS 541620). Tetra Tech, Inc. has received $71.25 million in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 58 contracts totaling $71.25 million for this firm. Tetra Tech, Inc.'s largest customer is Environmental Protection Agency, accounting for $67.98 million of awarded work.
Top contracts
| PIID | Agency | Latest action | Obligated |
|---|---|---|---|
| 68HE0923F0051 | Environmental Protection Agency | January 2, 2026 | $14.28M |
| 68HE0923F0074 | Environmental Protection Agency | December 17, 2025 | $10.66M |
| 68HE0919F0017 | Environmental Protection Agency | September 28, 2020 | $9.75M |
| 68HE0923F0071 | Environmental Protection Agency | September 5, 2025 | $8.39M |
| 68HE0923F0072 | Environmental Protection Agency | December 5, 2025 | $6.10M |
| 68HE0923F0073 | Environmental Protection Agency | March 31, 2026 | $3.69M |
| 68HE0924F0004 | Environmental Protection Agency | December 29, 2025 | $3.39M |
| 68HE0920F0105 | Environmental Protection Agency | September 3, 2021 | $2.24M |
| 68HE0923F0045 | Environmental Protection Agency | July 1, 2025 | $1.20M |
| AG9702D100144 | Department Of Agriculture | November 30, 2010 | $1.11M |
Top customers
| Agency | Obligated | Contracts |
|---|---|---|
| Environmental Protection Agency | $67.98M | 31 |
| Department Of Agriculture | $1.56M | 16 |
| Department Of The Interior | $1.43M | 8 |
| Department Of Transportation | $277.4K | 1 |
| Department Of Defense | $0 | 2 |
NAICS portfolio
| NAICS | Description | Obligated |
|---|---|---|
| 541620 | Environmental Consulting Services | $67.88M |
| 562910 | Remediation Services | $3.09M |
| 541715 | Research And Development In The Physical, Engineering, And Life Sciences (Except Nanotechnology And Biotechnology) | $277.4K |
| 562211 | — | $0 |
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Frequently asked questions
How much has Tetra Tech, Inc. received in federal contracts?
Tetra Tech, Inc. has received $71.25 million in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 58 contracts totaling $71.25 million for this firm. Their largest customer is Environmental Protection Agency, representing $67.98 million of awarded work.
What does Tetra Tech, Inc. do?
Tetra Tech, Inc. is a federal contractor based in Oakland, CA, registered under NAICS 541620 (professional, scientific, and technical services).