TETRA TECH, INC. (PA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY1997
- $435.78M
- $435,775,711under this UEI
- FY2026 obligations
- $41.92M†
- $41,922,663Provisional
- Awards and orders
- 462
- with positive net obligations24 IDV vehicles held
- Latest action
- Sep 29, 2026
- SAM.gov registration
- Active
- Registration expiration date Mar 27, 2027
Registration
- Doing business as
- TETRA TECH
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Feb 4, 1988 (38 years)
- Location
- Pittsburgh, PA
- State of incorporation
- Delaware
- Purpose of registration
- All Awards
- Website
- tetratech.com
† FY2026 obligations (provisional; DoD awards signed after Jul 27, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 27, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI FL1UPMZCC5S8. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY1997. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2026: $41,922,663 (provisional)
- FY2025: $71,452,108
- FY2024: $22,543,954
- FY2023: $17,646,516
- FY2022: $15,630,193
- FY2021: $23,394,954
- FY2020: $32,619,764
- FY2019: $27,038,715
Show all 20 yearsEarlier years (FY1997–FY2018)
- FY2018: $11,563,649
- FY2017: $9,229,875
- FY2016: $18,368,053
- FY2015: $15,962,441
- FY2014: $15,379,966
- FY2013: $12,243,723
- FY2012: $13,149,222
- FY2011: $16,872,152
- FY2010: $9,517,561
- FY2009: $28,058,215
- FY2008: $33,432,281
- FY1997: -$250,296 (de-obligation)
Total across 20 fiscal years: $435,775,711
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of Defense$249,882,571, 57.3%
- National Aeronautics and Space Administration$157,435,684, 36.1%
- Department of Homeland Security$28,430,506, 6.5%
- Department of Veterans Affairs$26,950, <0.1%
Top awarding sub-agencies
- Department of the Army$209,384,355, 48.0%
- National Aeronautics and Space Administration$157,435,684, 36.1%
- Department of the Navy$40,748,512, 9.4%
- U.S. Coast Guard$28,430,506, 6.5%
- Department of Veterans Affairs$26,950, <0.1%
Top NAICS by obligations
- 541330Engineering services$161,103,837, 37.0%
- 562910Remediation services$131,706,792, 30.2%
- 541620Environmental consulting services$104,324,418, 23.9%
- 541310Architectural services$32,555,491, 7.5%
Top product and service codes by obligations
- C219Architect and engineering- general: other$134,360,519, 30.8%
- F114Environmental systems protection- environmental licensing and permitting$78,287,367, 18.0%
- C211A/e svcs. (incl landscaping interio$66,487,607, 15.3%
- F108Environmental systems protection- environmental remediation$52,434,417, 12.0%
- F999Other environmental services$49,813,170, 11.4%
Capabilities
NAICS codes
- 541620Environmental Consulting Services(primary)
- 237110Water and Sewer Line and Related Structures Construction
- 237990Other Heavy and Civil Engineering Construction
- 541330Engineering Services
- 541350Building Inspection Services
- 541360Geophysical Surveying and Mapping Services
Show all 13 NAICS codes7 more NAICS codes
- 541380Testing Laboratories and Services
- 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 541990All Other Professional, Scientific, and Technical Services
- 562112Hazardous Waste Collection
- 562211Hazardous Waste Treatment and Disposal
- 562910Remediation Services
- 712120Historical Sites
SBA certifications
No certification in the SBA profile data.
Contracts
Latest awards and orders
- 70Z08318FPCL14600Delivery orderunder an indefinite delivery contract (IDC)Department of Homeland SecurityU.S. Coast GuardLatest action
- 80LARC24FA048Delivery orderunder an indefinite delivery contract (IDC)National Aeronautics and Space AdministrationLatest action
- 70Z05326FENVI0021Delivery orderunder an indefinite delivery contract (IDC)Department of Homeland SecurityU.S. Coast GuardLatest action
- 70Z0G125FSNY00001Delivery orderunder an indefinite delivery contract (IDC)Department of Homeland SecurityU.S. Coast GuardLatest action
- 80KSC024FA116Delivery orderunder an indefinite delivery contract (IDC)National Aeronautics and Space AdministrationLatest action
- 80GSFC24FA028Delivery orderunder an indefinite delivery contract (IDC)National Aeronautics and Space AdministrationLatest action
- 80GSFC25FA024Delivery orderunder an indefinite delivery contract (IDC)National Aeronautics and Space AdministrationLatest action
- 80GRC025FA032Delivery orderunder an indefinite delivery contract (IDC)National Aeronautics and Space AdministrationLatest action
- 70Z05326FENVI0019Delivery orderunder an indefinite delivery contract (IDC)Department of Homeland SecurityU.S. Coast GuardLatest action
- 80KSC024FA114Delivery orderunder an indefinite delivery contract (IDC)National Aeronautics and Space AdministrationLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for TETRA TECH, INC. lists a physical address and a separate mailing address, along with 6 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
661 ANDERSEN DR STE 200, 400, 500
PITTSBURGH, PA, 15220
USA
Mailing Address
661 ANDERSEN DRIVE
FOSTER PLAZA VII
PITTSBURGH, PA, 15220
USA
Government Business Contact
Luke J Widich
Contracts Director
TETRA TECH INC
661 Andersen Drive Foster Plaza 7
Pittsburgh, PA, 15220
USA
Electronic Business Contact
Luke J. Widich
Contracts Director
TETRA TECH INC
661 Andersen Drive Foster Plaza VII
Pittsburgh, PA, 15220
USA
Past Performance Contact
RICH Ninesteel
DIRECTOR OF MARKETING
TETRA TECH INC
661 ANDERSEN DRIVE
Pittsburgh, PA, 15220
USA
Government Business Alternate Contact
Steve Ruffing
President
TETRA TECH INC
661 ANDERSEN DRIVE FOSTER PLAZA VII
PITTSBURGH, PA, 15220
USA
Electronic Business Alternate Contact
Scott Postler
Procurement Specialist
TETRA TECH INC
661 Andersen Drive Foster Plaza VII
Pittsburgh, PA, 15220
USA
Past Performance Alternate Contact
MARK P. Speranza
Operations Manager
TETRA TECH INC
661 ANDERSEN DRIVE FOSTER PLAZA VII
PITTSBURGH, PA, 15220
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
TETRA TECH, INC. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires March 27, 2027.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Not registered for disaster relief
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
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