TETRA TECH, INC. — United States · Federal contract register · Supplier record: 209 contracts, all years ($468,754,246 · Jun 2008 – Jun 2026); $47.8M since January 2024 (35 contracts · 1 agency); 2nd rank in the line (of 17 suppliers · 24.4%); 1 agencies never served ($5.2M on the line without TETRA TECH, INC.).
Assay record ASY-US-0B1CT72197 · Cite as: Assay Systems, “TETRA TECH, INC. in the USAspending register”, https://assay-systems.com/register/us/tetra-tech-inc-8d3f/
209
contracts, all years
$468,754,246 · Jun 2008 – Jun 2026
$47.8M
since January 2024
35 contracts · 1 agency
2nd
rank in the line
of 17 suppliers · 24.4%
1
agencies never served
$5.2M on the line without TETRA TECH, INC.
Own record by year
2019 onward
$49.7M
$50.0M
$15.2M
$16.3M
$45.5M
$23.4M
$14.9M
$9.5M
20192020202120222023202420252026
Who buys from TETRA TECH, INC.
since January 2024
1agencies
$47.8Mpaid
100.0%top buyer
Department of Defense100.0%
$47,842,882
Before 2024 only: Agency for International Development, Millennium Challenge Corporation.
The line
since January 2024
$31.1Mline value
27contracts
2agencies
17suppliers
97.4%held by top ten
Construction, schools (C1CA)
$6.4M
$16.5M
$8.2M
202420252026Jan–Jul
2ndof 17 suppliers
$7,590,168TETRA TECH, INC. in the line
24.4%share of the line
29.2%of $25,952,068 spent by Department of Defense
Agencies that buy the line and never bought from TETRA TECH, INC.
1agencies
11contracts
$5,157,753since January 2024
Department of the Interior11 contracts
$5,157,753
How the line is bought
by value, since 2024
0%no competition
38%one applicant
0of these to TETRA TECH, INC.
Competed, several suppliers applied18 contracts
$19,094,871 · 61.4%
Competed, one supplier applied7 contracts
$11,923,486 · 38.3%
Awarded directly, no competition2 contracts
$91,463 · 0.3%
Contracts reaching their end dates
Oct 2026 – October 2027
3contracts
$1,179,933end by October 2027
$462K
$140K
$579K
Feb 271 contractApr 271 contractJun 271 contract
The extract
Every buying office, every contract holder, value, number and end date behind the figures above.
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.