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Tetra Tech ES, Inc.

Tetra Tech ES, Inc. is a federal contractor registered under UEI UJN1EN56WZ66 and CAGE code 1V6K8. The organization has received $768,832,133 across 133 federal awards, with Agency for International Development as the top agency. Its primary NAICS code is 541611.

UEI UJN1EN56WZ66 CAGE 1V6K8 Primary NAICS 541611
Total obligations
$768.8M
Awards
133

Federal contractor overview

Tetra Tech ES, Inc. is registered as a federal contractor under UEI UJN1EN56WZ66 and CAGE 1V6K8, and is located in Arlington, VA, USA. Federal award data shows $768,832,133 across 133 federal awards, with Agency for International Development as the top agency. The contractor's primary NAICS classification is 541611, and its public business classifications include For Profit Organization and Business or Organization. Its organization hierarchy includes TETRA TECH, INC..

Contractor identifiers

Legal business name
Tetra Tech ES, Inc.
DBA name
TETRA TECH
Unique Entity ID
UJN1EN56WZ66
CAGE code
1V6K8
Location
Arlington, VA, USA
Website
Visit contractor site

NAICS codes and business types

NAICS codes

Business and socioeconomic classifications

  • For Profit Organization
  • Business or Organization

Organization hierarchy

Other related organizations

Federal obligation history

Total federal obligations

$768,832,133

Awards
133

Top agencies by obligations

  1. Agency for International Development

    42 award actions

    $547,534,815

Federal obligations by fiscal year

Net federal contract obligations decreased from $136,862,996 in FY2024 to $55,801,933 in FY2025.

Federal obligations and award actions by fiscal year Blue bars show net federal obligations. The green line shows award-action counts. The lighter final bar and FY YTD label identify current fiscal-year-to-date activity.

Scroll horizontally to view all fiscal years.

View fiscal-year data table
Completed and current year-to-date federal fiscal-year contract activity
Fiscal year Net obligations Award actions
FY2026 YTD $888,592 4
FY2025 $55,801,933 30
FY2024 $136,862,996 33
FY2023 $78,119,473 35
FY2022 -$26,227,403 26
FY2021 $33,835,571 19

Recent federal awards

  1. THE EMPOWER NIGERIA PROGRAM IS POWER AFRICAS FLAGSHIP PROGRAM IN NIGERIA, FURTHERING POWER AFRICAS WORK OF INCREASING AVAILABLE ON- AND OFF-GRID GENERATION CAPACITY, ACCESS TO ELECTRICITY AND SUPPORTING NIGERIAS TRANSITION TO A LOW-CARBON ELECTRIC

    Agency for International Development

    $23,533,469

    Obligated

    PIID 72067425C00001

    Awarded Dec 3, 2024

  2. IEPS-POWER-REGIONAL ENERGY COMPACT CONSULTANT.

    Millennium Challenge Corporation

    $2,901,477

    Obligated

    PIID 95332424C0069

    Awarded Sep 26, 2024

  3. USAID SOUTHERN AFRICA RESILIENT CITIES LIMPOPO ACTIVITY, A TASK ORDER UNDER THE WADI II IDIQ. THE OBJECTIVE OF THIS ACTIVITY IS TO IMPROVE ACCESS TO WATER, SANITATION, AND SOLID WASTE MANAGEMENT SERVICES IN URBAN AREAS.

    Agency for International Development

    $15,117,927

    Obligated

    PIID 72067424F00007

    Awarded Sep 20, 2024

  4. THE AWARD WILL CONTRIBUTE TO ADDRESSING THIS DEMAND BY ESTABLISHING A PARTNERSHIP MODEL BETWEEN POWER AFRICA COLLABORATORS AND WEST AFRICAN COUNTERPARTS. THIS MODEL AIMS TO FACILITATE THE TRANSITION TO A DECARBONIZED POWER SECTOR IN A JUST AND EQUITA

    Agency for International Development

    $20,315,424

    Obligated

    PIID 72067424C00002

    Awarded Jul 3, 2024

Federal contract vehicles

Frequently asked questions

What is Tetra Tech ES, Inc.'s Unique Entity ID (UEI)?
Tetra Tech ES, Inc.'s Unique Entity ID is UJN1EN56WZ66, as registered in SAM.gov.
What is Tetra Tech ES, Inc.'s CAGE code?
Tetra Tech ES, Inc.'s CAGE code is 1V6K8.
What is Tetra Tech ES, Inc.'s primary NAICS code?
Tetra Tech ES, Inc.'s primary NAICS classification is 541611.
Where is Tetra Tech ES, Inc. located?
Tetra Tech ES, Inc. is located in Arlington, VA, USA.
How much has Tetra Tech ES, Inc. received in federal contract obligations?
Tetra Tech ES, Inc. has received $768,832,133 in federal contract obligations across 133 federal awards.
Which federal agencies has Tetra Tech ES, Inc. worked with?
Tetra Tech ES, Inc.'s top federal agencies include Agency for International Development.
When was Tetra Tech ES, Inc. registered in SAM.gov?
Tetra Tech ES, Inc.'s SAM.gov registration date is January 16, 2002.
What business classifications does Tetra Tech ES, Inc. hold?
Tetra Tech ES, Inc.'s registered business and socioeconomic classifications include For Profit Organization and Business or Organization.