GovChime
UEI: Z2JDF94BLHP6 • CAGE: 3EG29

TETRA TECH EC, INC. (CA)

Registration and award facts

SAM.gov registration as of

Net obligations since FY2008
$418.65M
$418,648,162under this UEI
FY2026 obligations
$0
Provisional
Awards and orders
105
with positive net obligations7 IDV vehicles held
Latest action
Sep 30, 2025
SAM.gov registration
Active
Registration expiration date Dec 9, 2026

Registration

Entity structure
Corporate Entity (Not Tax Exempt)
Business start date
Mar 7, 2003 (23 years)
Location
San Diego, CA
State of incorporation
Delaware
Website
tetratech.com

† FY2026 obligations (provisional; DoD awards signed after Jul 25, 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 25, 2026 are not yet public.

All federal contractors in CaliforniaHow these figures are built

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI Z2JDF94BLHP6. GovChime does not check exclusions.

Performance

Net obligations recorded under this UEI since FY2008. 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

  • FY2024: $418,614
  • FY2023: $1,232,715
  • FY2022: -$364,605 (de-obligation)
  • FY2021: $174,931
  • FY2020: $637,598
  • FY2019: $2,921,952
  • FY2018: $7,018,587
  • FY2017: $9,396,908
Show all 17 years
  • FY2016: $22,984,651
  • FY2015: $44,002,374
  • FY2014: $34,957,021
  • FY2013: $25,469,960
  • FY2012: $51,140,395
  • FY2011: $40,749,717
  • FY2010: $69,625,757
  • FY2009: $48,766,081
  • FY2008: $59,515,506

Total across 17 fiscal years: $418,648,162

Net de-obligation in that fiscal year (obligations withdrawn).

Top awarding agencies

Top awarding sub-agencies

Top NAICS by obligations

Top product and service codes by obligations

  • F108Harz remv/clean-up/disp/op$364,460,359, 87.1%
  • F999Other environmental services$33,458,294, 8.0%
  • C211Architect and engineering- general: landscaping, interior layout, and designing$9,620,360, 2.3%
  • C219Other architects & engin gen$4,409,073, 1.1%
  • Z300Maint, rep-alt/restoration$3,517,483, 0.8%

Capabilities

SBA certifications

No certification in the SBA profile data.

Contracts

Latest awards and orders

  1. 0014Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
  2. 0005Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
  3. N6247313D4808Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the NavyLatest action
  4. N4425518F4193Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
  5. 0004Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
  6. 0008Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
  7. 0013Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
  8. 0023Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
  9. 0012Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
  10. 0007Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action

Contact Info

As of . Source: SAM.gov Points of Contact.

SAM.gov registration for TETRA TECH EC, 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

1230 COLUMBIA ST STE 1010

SAN DIEGO, CA, 92101

USA

Mailing Address

17885 VON KARMAN AVENUE

SUITE 500

IRVINE, CA, 92614

USA

Government Business Contact

ANH NGHIEM

17885 VON KARMAN AVENUE

IRVINE, CA, 92614

USA

Electronic Business Contact

ROXANNE CLARKE

ONE OXFORD VALLEY

SUITE 614

LANGHORNE, PA, 19047

USA

Past Performance Contact

ROXANNE CLARKE

ONE OXFORD VALLEY

SUITE 614

LANGHORNE, PA, 19047

USA

Government Business Alternate Contact

ANH NGHIEM

17885 VON KARMAN AVENUE

IRVINE, CA, 92614

USA

Electronic Business Alternate Contact

ANH NGHIEM

17885 VON KARMAN AVENUE

SUITE 500

IRVINE, CA, 92614

USA

Past Performance Alternate Contact

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E&Y

Additional Details

As of . Source: SAM.gov Entity Registration.

TETRA TECH EC, INC. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires December 9, 2026.

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 responses

Suspension/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.gov
Profit Structure:For Profit Organization

Registration Details

Source: SAM.gov

Initial Registration

Mar 27, 2003

Last Update

Dec 16, 2025

Registration Activation

Active — Dec 16, 2025

Fiscal Year End

0930

Country of Incorporation

USA

Congressional District

50

Other contractors in California with primary NAICS 236220