TETRA TECH, INC. — United States · Federal contract register · Supplier record: 56 contracts, all years ($84,654,506 · May 2009 – Jun 2026); $26.3M since January 2024 (7 contracts · 1 agency); 462nd rank in the line (of 940 suppliers · 0.01%); 16 agencies never served ($4.1B on the line without TETRA TECH, INC.).
Assay record ASY-US-1KHW0ZD0D7 · Cite as: Assay Systems, “TETRA TECH, INC. in the USAspending register”, https://assay-systems.com/register/us/tetra-tech-inc-b181/
56
contracts, all years
$84,654,506 · May 2009 – Jun 2026
$26.3M
since January 2024
7 contracts · 1 agency
462nd
rank in the line
of 940 suppliers · 0.01%
16
agencies never served
$4.1B on the line without TETRA TECH, INC.
Own record by year
2021 onward
$130K
$83.6K
$44.3M
$22.9M
$2.5M
$906K
202120222023202420252026
Who buys from TETRA TECH, INC.
since January 2024
1agencies
$26.3Mpaid
100.0%top buyer
Department of Defense100.0%
$26,342,326
The line
since January 2024
$12.2Bline value
2,981contracts
17agencies
940suppliers
40.3%held by top ten
Construction of miscellaneous buildings (Y1JZ)
$4.8B
$3.9B
$3.5B
202420252026Jan–Sep
462ndof 940 suppliers
$1,177,838TETRA TECH, INC. in the line
0.01%share of the line
0.0%of $8,109,537,760 spent by Department of Defense
Agencies that buy the line and never bought from TETRA TECH, INC.
16agencies
1,302contracts
$4,074,909,128since January 2024
Department of Homeland Security83 contracts
$2,185,755,741
Department of Health and Human Services548 contracts
$1,209,102,492
Department of the Interior136 contracts
$245,031,057
National Aeronautics and Space Administration176 contracts
$207,265,493
Department of Agriculture105 contracts
$115,898,985
Department of Veterans Affairs43 contracts
$67,541,011
Department of Justice133 contracts
$26,283,951
Department of Energy3 contracts
$9,865,723
Department of State63 contracts
$4,635,291
Agency for International Development1 contract
$1,455,062
Department of Transportation3 contracts
$1,375,640
Department of Commerce2 contracts
$448,102
Department of the Treasury2 contracts
$106,150
District of Columbia Courts2 contracts
$72,724
Executive Office of the President1 contract
$69,000
General Services Administration1 contract
$2,706
How the line is bought
by value, since 2024
8%no competition
6%one applicant
0of these to TETRA TECH, INC.
Competed, several suppliers applied1,746 contracts
Source: USAspending.gov, U.S. Department of the Treasury, Bureau of the Fiscal Service, usaspending.gov, accessed 30 September 2026.The data is available to copy, adapt, redistribute, or otherwise use for non-commercial or for commercial purposes (USAspending.gov, Licensing); no Dun & Bradstreet data is shown.