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PSC F108 federal contractors, buyers, and awards

ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION. Use this PSC page to review visible contractors, buyer overlap, and award concentration in this product or service lane.

Category code: F108

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$3,689,240,276

Buyer overlap

Top recipients

Recipients active in this PSC lane

Tetra Tech Ec, Inc.

San Diego, CA

Top buyer: Department of DefenseRecent award: 2025-12-09

$699,540,023

Aecom Technical Services, Inc.

Los Angeles, CA

Top buyer: Department of DefenseRecent award: 2026-08-13

$326,894,570

Weston Solutions INC

West Chester, PA

Top buyer: Department of DefenseRecent award: 2026-03-11

$427,868,795

Aptim Federal Services, LLC

Baton Rouge, LA

Top buyer: Department of DefenseRecent award: 2029-07-14

$393,735,320

Ea Engineering, Science, And Technology, Inc., Pbc

Hunt Valley, MD

Top buyer: Department of DefenseRecent award: 2027-09-26

$591,675,557

Navarro Research And Engineering, Inc.

Oak Ridge, TN

Top buyer: Department of EnergyRecent award: 2025-12-01

$213,912,097

Sealaska Environmental Services, LLC

Juneau, AK

Top buyer: Department of DefenseRecent award: 2019-07-05

$11,393,794

Relyant Global LLC

Maryville, TN

Top buyer: Department of DefenseRecent award: 2026-01-22

$80,059,039

Osage Nation

Pawhuska, OK

Top buyer: Department of Health and Human ServicesRecent award: 2025-09-30

$1,808,346

Ce2 Kleinfelder Jv

Pleasanton, CA

Top buyer: Department of DefenseRecent award: 2016-03-08

$17,642,498

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Browse by dimension

State, agency, and industry paths

States

California

4 recipients · $781,843,257

Pennsylvania

1 recipients · $169,108,559

Louisiana

1 recipients · $148,966,212

Tennessee

3 recipients · $124,806,998

Alaska

4 recipients · $102,053,236

Maryland

1 recipients · $92,540,844

Agencies

Department of Defense