Tetra Tech, Inc. Federal Contracts

Tetra Tech, Inc. of Pasadena, California won $442.3 million in federal contracts from Oct 18, 2025 to Oct 18, 2026, mostly from the Federal Aviation Administration, for engineering services and environmental consulting services.

Agencies that paid Tetra Tech, Inc.

• Federal Aviation Administration: $126.6 million
• Department of the Army: $100.1 million
• Environmental Protection Agency: $66.0 million
• Department of State: $60.0 million
• Department of Energy: $24.3 million
• National Aeronautics and Space Administration: $10.5 million
• Department of the Air Force: $10.2 million
• Defense Logistics Agency: $8.2 million
• Defense Health Agency: $7.4 million
• Millennium Challenge Corporation: $6.9 million

What Tetra Tech, Inc. sells to the government

• Engineering Services (NAICS 541330): $261.8 million
• Environmental Consulting Services (NAICS 541620): $72.6 million
• Remediation Services (NAICS 562910): $58.1 million
• Other Computer Related Services (NAICS 541519): $12.8 million
• All Other Professional, Scientific, and Technical Services (NAICS 541990): $12.5 million
• Administrative Management and General Management Consulting Services (NAICS 541611): $11.0 million
• Custom Computer Programming Services (NAICS 541511): $6.8 million
• Professional and Management Development Training (NAICS 611430): $4.2 million

Tetra Tech, Inc.'s largest contracts with recent activity

1. $249.2 million, Department of State, from Sep 30, 2022: Office of weapons removal and abatement has a humanitarian demining request for international assistance to ukraine/conventional weapons destruction (cwd). (19AQMM22F3911)
2. $94.0 million, Federal Aviation Administration, from Aug 19, 2021: Other functions (693KA821F00282)
3. $85.5 million, Department of Energy, from Sep 17, 2019: Labor program management/it support enterprise information technology support services to include software development and integration, infrastructure engineering, system management and hosting… (89303019FET400015)
4. $74.9 million, Federal Aviation Administration, from Aug 27, 2019: Navtac ii contract sbas task order 22 (693KA819F00378)
5. $68.8 million, Federal Aviation Administration, from May 2, 2019: Verification&validation (v&v)/test&evaluation (t&e) services (vts) support services contract. se2025 torp #5134 (692M1519F00263)
6. $68.3 million, Department of the Air Force, from Aug 1, 2022: Shared early warning systems 3 (sews 3) (FA872322F9009)

Amounts are each contract's total value; the contracts had spending in the last 12 months.

Open bids in Tetra Tech, Inc.'s trades

304 open federal notices today are in the trades Tetra Tech, Inc. sells most. The newest:

Award figures: contract obligations reported to USAspending.gov, read Oct 18, 2026.

Questions about Tetra Tech, Inc.

How much does Tetra Tech, Inc. get in federal contracts?

$442.3 million in contract obligations from Oct 18, 2025 to Oct 18, 2026, the most from the Federal Aviation Administration ($126.6 million).

Which agencies does Tetra Tech, Inc. work for?

Federal Aviation Administration ($126.6 million), Department of the Army ($100.1 million), Environmental Protection Agency ($66.0 million) and Department of State ($60.0 million).

What does Tetra Tech, Inc. sell to the federal government?

engineering services, environmental consulting services and remediation services.