Tetra Tech, Inc.
Pittsburgh, PA · UEI FL1UPMZCC5S8 · NAICS 541620
Tetra Tech, Inc. is a federal contractor based in Pittsburgh, PA operating in professional, scientific, and technical services (NAICS 541620). Tetra Tech, Inc. has received $623.50 million in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 473 contracts totaling $295.99 million for this firm. Tetra Tech, Inc.'s largest customer is Department Of Defense, accounting for $430.57 million of awarded work.
Top contracts
| PIID | Agency | Latest action | Obligated |
|---|---|---|---|
| 0412 | Department Of Defense | September 27, 2019 | $999.6K |
| HSCG8309J3YD110 | Department Of Homeland Security | April 15, 2010 | $998.9K |
| 0821 | Department Of Defense | April 5, 2005 | $99.7K |
| 0343 | Department Of Defense | September 18, 2011 | $997.4K |
| NNK04EE04D | National Aeronautics And Space Administration | October 7, 2010 | $994.7K |
| 0205 | Department Of Defense | September 20, 2007 | $98.6K |
| 80KSC019F0141 | National Aeronautics And Space Administration | December 19, 2025 | $9.75M |
| 70Z05023F43000011 | Department Of Homeland Security | September 26, 2025 | $961.0K |
| 0286 | Department Of Defense | September 10, 2008 | $96.0K |
| HSCG8216JPMV002 | Department Of Homeland Security | June 28, 2017 | $956.0K |
Top customers
| Agency | Obligated | Contracts |
|---|---|---|
| Department Of Defense | $430.57M | 796 |
| National Aeronautics And Space Administration | $158.90M | 128 |
| Department Of Homeland Security | $31.95M | 145 |
| Department Of Transportation | $2.05M | 32 |
| Department Of Veterans Affairs | $26.9K | 4 |
NAICS portfolio
| NAICS | Description | Obligated |
|---|---|---|
| 541330 | Engineering Services | $347.10M |
| 562910 | Remediation Services | $133.44M |
| 541620 | Environmental Consulting Services | $98.09M |
| 541310 | Architectural Services | $32.56M |
| 541715 | Research And Development In The Physical, Engineering, And Life Sciences (Except Nanotechnology And Biotechnology) | $6.08M |
| Unknown | — | $5.66M |
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Frequently asked questions
How much has Tetra Tech, Inc. received in federal contracts?
Tetra Tech, Inc. has received $623.50 million in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 473 contracts totaling $295.99 million for this firm. Their largest customer is Department Of Defense, representing $430.57 million of awarded work.
What does Tetra Tech, Inc. do?
Tetra Tech, Inc. is a federal contractor based in Pittsburgh, PA, registered under NAICS 541620 (professional, scientific, and technical services).