Tetra Tech, Inc.
Tetra Tech, Inc. received $1.5M in federal prime contract obligations in the 12 months ending Oct 5, 2026, down 33.3% from $2.2M the year before, and $20.8M since FY2022. Its largest customer is the Environmental Protection Agency.
See 1 contracts ending in the next 18 months ↓Contractor details
- Unique Entity ID (UEI)
- X38LAAB5HB64
- CAGE code
- 1P0H7
- Headquarters
- Fairfax, VA
- Business size
- Other Than Small Business
- Parent company
- Tetra Tech, Inc.
As recorded on this UEI's most recent prime contract action in USAspending.gov. Confirm current registration and certifications in SAM.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year.
Top agencies
Funding agencies ranked by obligations since FY2022.
| Funding agency | Latest 12 mo | Since FY2022 |
|---|---|---|
| Environmental Protection Agency | $1.5M | $19.6M |
| Department of Defense | $0 | $1.1M |
| Corps of Engineers - Civil Works | $0 | $99K |
| Department of the Interior | $15K | $15K |
Top NAICS codes
Industry codes agencies recorded on this contractor's awards, since FY2022.
| NAICS | Industry | Latest 12 mo | Since FY2022 |
|---|---|---|---|
| 541620 | Environmental Consulting Services | $1.2M | $9.0M |
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $306K | $5.4M |
| 541611 | Administrative Management and General Management Consulting Services | −$31K | $3.2M |
| 541712 | Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) | $0 | $2.0M |
| 541330 | Engineering Services | $0 | $1.2M |
What it sells
Product and service codes (PSC) on this contractor's awards, since FY2022.
| PSC | Description | Since FY2022 |
|---|---|---|
| B516 | Special Studies/Analysis- Animal/Fisheries | $7.4M |
| R499 | Support- professional: Other | $6.9M |
| AJ11 | General Science and Technology R&D services; General Science and technology; Basic Research | $4.8M |
| C211 | Architect and Engineering- general: Landscaping, Interior Layout, and Designing | $1.2M |
| AH12 | Natural Resources and Environment R&D services; Water resources; Applied Research | $538K |
| R425 | Support- professional: Engineering/Technical | $15K |
Contracts ending in the next 18 months
This contractor's largest awards whose current period of performance ends soon. Options and extensions often move these dates.
| Award | Agency | Obligated | Current end |
|---|---|---|---|
| 68HERC25F0211 | Environmental Protection Agency AH12 - TECHNICAL SUPPORT FOR DISTRICT OF COLUMBIA BACTERIA TMDL MODELING AND DEVELOPMENT | $381K | Mar 31, 2028 |
Recent awards
This contractor's newest prime contract awards, most recent first.
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| 68HERW26F0193 | Environmental Protection Agency R499 - NATIONAL LAKES ASSESSMENT 2027: PLANKTON IDENTIFICATION | $885K | Sep 25, 2026 |
| 140G0226P0294 | Department of the Interior SANDUSKY BAY HYDRODYNAMIC AND PARTICLE TRANSPORT MODELING SERVICES | $15K | Sep 18, 2026 |
| 68HERW26F0221 | Environmental Protection Agency SUPPORT FOR THE 2025 NATIONAL COASTAL CONDITION ASSESSMENT (NCCA) FILLET TISSUE STUDY SAMPLE SHIPMENTS, DATA QUALITY REVIEW, AND REPORTING RESULTS. | $125K | Aug 28, 2026 |
| 68HERW26F0195 | Environmental Protection Agency NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM WATER QUALITY TECHNICAL SUPPORT. | $147K | Aug 21, 2026 |
| 68HERW26F0182 | Environmental Protection Agency R499 - TECHNICAL SUPPORT FOR WATER QUALITY STANDARDS (WQS) RULEMAKINGS, DETERMINATIONS, AND ACTIONS. | $184K | Aug 17, 2026 |
| 68HERF26F0046 | Environmental Protection Agency AJ11: TECHNICAL SUPPORT FOR CONTINUOUS MONITORING AND ASSESSMENT DOCUMENT | $180K | Feb 27, 2026 |
| 68HERC25F0230 | Environmental Protection Agency B516 - SUPPORT FOR THE 2025 NATIONAL COASTAL CONDITION ASSESSMENT (NCCA) FILLET TISSUE STUDY SAMPLE PREPARATION. | $532K | May 28, 2025 |
| 68HERC25F0203 | Environmental Protection Agency B516 - FEDERAL WATER QUALITY STANDARDS AND RULEMAKING SUPPORT. | $268K | May 19, 2025 |
Other Tetra Tech, Inc. entities
UEIs that report the same ultimate parent in SAM.gov. Ownership records can lag acquisitions.
Tetra Tech, Inc.
$881.9MARD, Inc.
$495.2MAdvanced Management Technology, Inc.
$318.9MTetra Tech ES, Inc.
$246.6MManagement Systems International, Inc.
$230.8MBluewater Federal Solutions, Inc.
$171.0MTetra Tech, Inc.
$169.2MTetra Tech, Inc.
$140.4MSegue Technologies, Inc
$131.1MTetra Tech, Inc.
$120.5MPrime contracts (award types A–D) from USAspending.gov through Oct 5, 2026. Subcontracts are not included. Net obligations include deobligations and corrections.

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