Tetra Tech, Inc.
Collinsville, IL · UEI DSBKJQNLK7N5 · NAICS 541330
Tetra Tech, Inc. is a federal contractor based in Collinsville, IL operating in professional, scientific, and technical services (NAICS 541330). Tetra Tech, Inc. has received $13.89 million in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 18 contracts totaling $13.89 million for this firm. Tetra Tech, Inc.'s largest customer is Department Of Defense, accounting for $13.87 million of awarded work.
Top contracts
| PIID | Agency | Latest action | Obligated |
|---|---|---|---|
| FA890325F0137 | Department Of Defense | September 22, 2025 | $4.25M |
| FA890323F0054 | Department Of Defense | November 19, 2025 | $3.09M |
| FA805120F0038 | Department Of Defense | September 29, 2020 | $1.79M |
| FA890323F0085 | Department Of Defense | July 25, 2025 | $1.29M |
| FA890321F0043 | Department Of Defense | August 14, 2025 | $989.7K |
| FA890323F0003 | Department Of Defense | August 23, 2024 | $950.4K |
| FA890320F1056 | Department Of Defense | September 16, 2021 | $646.5K |
| FA805120F0036 | Department Of Defense | September 28, 2020 | $463.3K |
| FA890323F0032 | Department Of Defense | July 23, 2025 | $330.0K |
| 0001 | Department Of Defense | September 10, 2010 | $74.9K |
Top customers
| Agency | Obligated | Contracts |
|---|---|---|
| Department Of Defense | $13.87M | 17 |
| Department Of Justice | $21.2K | 1 |
NAICS portfolio
| NAICS | Description | Obligated |
|---|---|---|
| 541330 | Engineering Services | $13.79M |
| 562910 | — | $74.9K |
| 541620 | — | $21.2K |
| 562112 | Hazardous Waste Collection | $0 |
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Frequently asked questions
How much has Tetra Tech, Inc. received in federal contracts?
Tetra Tech, Inc. has received $13.89 million in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 18 contracts totaling $13.89 million for this firm. Their largest customer is Department Of Defense, representing $13.87 million of awarded work.
What does Tetra Tech, Inc. do?
Tetra Tech, Inc. is a federal contractor based in Collinsville, IL, registered under NAICS 541330 (professional, scientific, and technical services).