GovChime
UEI: EXNTYZTJ7HZ4 • CAGE: 1XBB7

TETRA TECH INC (TN)

DBA: TETRA TECH

Registration and award facts

SAM.gov registration as of

Net obligations since FY2008
$1.62M
$1,622,225under this UEI
FY2026 obligations
$0
Provisional
Awards and orders
11
with positive net obligations
Latest action
Aug 17, 2021
SAM.gov registration
Active
Registration expiration date May 4, 2027

Registration

Doing business as
TETRA TECH
Entity structure
Corporate Entity (Not Tax Exempt)
Business start date
Feb 1, 1988 (38 years)
Location
Knoxville, TN
State of incorporation
Delaware
Purpose of registration
All Awards

† FY2026 obligations (provisional; DoD awards signed after Jul 26, 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 26, 2026 are not yet public.

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI EXNTYZTJ7HZ4. 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

  • FY2021: -$3,638 (de-obligation)
  • FY2018: $7,190
  • FY2016: $248,772
  • FY2015: $87,811
  • FY2010: $1,093,484
  • FY2009: $32,581
  • FY2008: $156,026

Total across 7 fiscal years: $1,622,225

Net de-obligation in that fiscal year (obligations withdrawn).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

  • AZ12R&d-other r & d-a res/expl dev$1,093,484, 67.4%
  • AJ31R&d- general science/technology: environmental sciences (basic research)$245,134, 15.1%
  • F108Harz remv/clean-up/disp/op$138,868, 8.6%
  • C211Architect and engineering- general: landscaping, interior layout, and designing$54,592, 3.4%
  • C1AAArchitect and engineering- construction: office buildings$47,089, 2.9%

Capabilities

Contracts

Latest awards and orders

  1. W912HZ16C0028Definitive contractDepartment of DefenseDepartment of the ArmyLatest action
  2. W912K318P5023Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
  3. W912L615P0144Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
  4. W912K315P2029Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
  5. W912HZ10C0086Definitive contractDepartment of DefenseDepartment of the ArmyLatest action
  6. W912BU09P0167Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
  7. FA860107C0036DcaDepartment of DefenseDepartment of the Air ForceLatest action
  8. FA860107C0054DcaDepartment of DefenseDepartment of the Air ForceLatest action
  9. FA860107C0016DcaDepartment of DefenseDepartment of the Air ForceLatest action
  10. FA860107C0015DcaDepartment of DefenseDepartment of the Air ForceLatest 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 4 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

308 N PETERS RD STE 150

KNOXVILLE, TN, 37922

USA

Mailing Address

308 N PETERS RD STE 150

KNOXVILLE, TN, 37922

USA

Government Business Contact

Sheila Hall

Contracts

308 N Peters Rd Ste 150

Knoxville, TN, 37922

USA

Electronic Business Contact

Sheila Hall

Contracts Administrator

308 N Peters Rd Ste 150

Knoxville, TN, 37922

USA

Past Performance Contact

Barbara Petersen

Director Contracts

3475 East Foothill Blvd

Arcadia, CA, 91007

USA

Electronic Business Alternate Contact

Barbara Petersen

Contracts Manager

3475 E. Foothill Blvd

Pasadena, CA, 91107

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 May 4, 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 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

Feb 19, 2002

Last Update

May 6, 2026

Registration Activation

Active — May 6, 2026

Fiscal Year End

09/30

Country of Incorporation

USA

Congressional District

02