Department of State NAICS 562910 contractors

Remediation Services. Contractors in this NAICS lane under Department of State.

Agency: Department of State

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$3,591,228,473

Visible recipients tied to Department of State and NAICS 562910

Tetra Tech Ec, Inc.

San Diego, CA

San Diego, CA | 5 awards | Top agency Department of Defense | NAICS 562910

$800,379,236

Weston Solutions INC

West Chester, PA

West Chester, PA | 378 awards | Top agency Department of Defense | NAICS 236220

$805,888,377

Olgoonik Diversified Services LLC

Colorado Springs, CO

Colorado Springs, CO | 20 awards | Top agency Department of Defense | NAICS 236220

$13,427,273

Tetra Tech, Inc.

Pasadena, CA

Pasadena, CA | 260 awards | Top agency Department of Defense | NAICS 541330

$974,056,781

Jacobs Government Services Company

Arlington, VA

Arlington, VA | 238 awards | Top agency Department of Defense | NAICS 541330

$64,785,519

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Englewood, CO | 109 awards | Top agency Department of Defense | NAICS 541330

$310,185,676

Relyant Global LLC

Maryville, TN

Maryville, TN | 66 awards | Top agency Department of Defense | NAICS 236220

$86,233,691

Arcadis U.s., Inc.

Highlands Ranch, CO

Highlands Ranch, CO | 100 awards | Top agency Department of Defense | NAICS 541330

$386,125,862

Ahtna Global LLC

Anchorage, AK

Anchorage, AK | 92 awards | Top agency Department of Defense | NAICS 562910

$130,756,877

Olgoonik Specialty Contractors, LLC

Colorado Springs, CO

Colorado Springs, CO | 32 awards | Top agency Department of Defense | NAICS 236220

$19,389,181

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