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TETRA TECH EC, INC.

TETRA TECH EC, INC. is a federal contractor registered under UEI R4FTW77GLKM6 and CAGE code 3EPZ4. The organization has received $459,040,008 across 70 federal awards, with top agencies including Department of Defense and Department of State. Its primary NAICS code is 562910.

UEI R4FTW77GLKM6 CAGE 3EPZ4 Primary NAICS 562910
Total obligations
$459M
Awards
70

Federal contractor overview

TETRA TECH EC, INC. is registered as a federal contractor under UEI R4FTW77GLKM6 and CAGE 3EPZ4, and is located in HUNTSVILLE, AL, USA. Federal award data shows $459,040,008 across 70 federal awards, with top agencies including Department of Defense and Department of State. The contractor's primary NAICS classification is 562910, and its public business classifications include For Profit Organization. Its organization hierarchy includes TETRA TECH, INC..

Contractor identifiers

Legal business name
TETRA TECH EC, INC.
Unique Entity ID
R4FTW77GLKM6
CAGE code
3EPZ4
Location
HUNTSVILLE, AL, USA

NAICS codes and business types

Business and socioeconomic classifications

  • For Profit Organization

Organization hierarchy

Federal obligation history

Total federal obligations

$459,040,008

Awards
70

Top agencies by obligations

  1. Department of Defense

    64 award actions

    $457,734,464
  2. Department of State

    6 award actions

    $1,305,544

Federal obligations by fiscal year

Net federal contract obligations increased from $25,279,105 in FY2024 to $32,776,072 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 -$2,696,388 3
FY2025 $32,776,072 15
FY2024 $25,279,105 18
FY2023 $19,498,361 13
FY2022 $553,916 14
FY2021 $2,248,077 7

Recent federal awards

  1. PIID W912DY25F0467

    Awarded Sep 29, 2025

  2. PIID W912DY25F0469

    Awarded Sep 29, 2025

  3. PIID W912DY25F0464

    Awarded Sep 29, 2025

  4. PIID W912DY25F0470

    Awarded Sep 29, 2025

Top federal contract markets

See the leading federal contract markets for TETRA TECH EC, INC. by agency and work category, ranked by positive obligations in Sweetspot's federal market coverage during the last 12 months.

Coverage period Jul 28, 2025–Jul 27, 2026

Federal contract vehicles

Frequently asked questions

What is TETRA TECH EC, INC.'s Unique Entity ID (UEI)?
TETRA TECH EC, INC.'s Unique Entity ID is R4FTW77GLKM6, as registered in SAM.gov.
What is TETRA TECH EC, INC.'s CAGE code?
TETRA TECH EC, INC.'s CAGE code is 3EPZ4.
What is TETRA TECH EC, INC.'s primary NAICS code?
TETRA TECH EC, INC.'s primary NAICS classification is 562910.
Where is TETRA TECH EC, INC. located?
TETRA TECH EC, INC. is located in HUNTSVILLE, AL, USA.
How much has TETRA TECH EC, INC. received in federal contract obligations?
TETRA TECH EC, INC. has received $459,040,008 in federal contract obligations across 70 federal awards.
Which federal agencies has TETRA TECH EC, INC. worked with?
TETRA TECH EC, INC.'s top federal agencies include Department of Defense and Department of State.
When was TETRA TECH EC, INC. registered in SAM.gov?
TETRA TECH EC, INC.'s SAM.gov registration date is April 8, 2003.
What business classifications does TETRA TECH EC, INC. hold?
TETRA TECH EC, INC.'s registered business and socioeconomic classifications include For Profit Organization.