USAspending.gov•SAM.gov

TETRA TECH, INC.

UEI LMRMKLLL3LG5 · CAGE 078E8 · PASADENA, CA · Parent: TETRA TECH, INC.

Dated source observations

SAM: Active · expires 2027-08-11 · checked 2026-11-07

Exclusions: no active exclusion record matched this UEI · as of the 2026-11-06 extract

Requests SAM.gov registration data when a refresh is available. It updates this profile but does not create a verification record.

Classifications: corporate entity not tax exempt, other than small business, us owned business

Registered address

3475 E FOOTHILL BLVD
PASADENA, CA 91107

SAM registration data · checked 2026-11-07

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Doing business with this entity? The check opens with UEI LMRMKLLL3LG5 loaded and can seal a permanent verification record. Monitoring re-checks this UEI every morning, with three entities included free.

Federal footprint

Historical awards

$12.4B

USAspending · prime awards

Trailing 12 months

$448.3M

USAspending · obligations

Largest agency share

37%

Department of Defense

NAICS codes

observed across awards

USAspending subawards

Name matched reported contract subawards · checked 2026-10-17.

Name matches do not establish identity. Reported subaward coverage is partial.

Awarding agencies for this contractor

This contractor's observed prime award obligations by agency · USAspending.gov · as of 2026-10-17

NAICS codes

541990$749.1M

all other professional, scientific, and technical services

5 awards observed

541330$579.7M

engineering services

4 awards observed

562910$387.5M

remediation services

2 awards observed

541513$271.5M

computer facilities management services

1 award observed

541511$210.8M

custom computer programming services

2 awards observed

541512$85.6M

computer systems design services

1 award observed

541519

other computer related services

236220

commercial and institutional building construction

Largest prime awards· as of 2026-10-17

DTFH6102C00001 · Department of Transportation$271.5M
19AQMM22F3911 · Department of State$249.2M
0005 · Department of Defense$238.4M
AID514C000600300 · Agency for International Development$189.2M
AID514C000600301 · Agency for International Development$182M
AID623C1400003 · Agency for International Development$144.5M
19AQMM19F0312 · Department of State$138.3M
GSQ0017AJ0022 · General Services Administration$127M
DTFAWA10A00213CALL0013 · Department of Transportation$125.1M
AID306C1600010 · Agency for International Development$120.3M
AID267C1100005 · Agency for International Development$117.5M
72051419F00015 · Agency for International Development$115.8M
693KA821F00282 · Department of Transportation$94M
DTFAWA10A00213CALL0004 · Department of Transportation$85.6M
FA300219FA004 · Department of Defense$85.6M