Department of Defense PSC F999 contractors

OTHER ENVIRONMENTAL SERVICES. Contractors in this PSC lane under Department of Defense.

Agency: Department of Defense

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$5,987,899,726

Visible recipients tied to Department of Defense and PSC F999

Stantec Consulting Services Inc.

Denver, CO

Denver, CO | 138 awards | Top agency Department of Defense | NAICS 541330

$84,128,955

Aecom International Inc.

Frankfurt Am Main

Frankfurt Am Main | 104 awards | Top agency Department of Defense | NAICS 541330

$11,648,025

Ahtna Professional Services, Inc.

Anchorage, AK

Anchorage, AK | 23 awards | Top agency Department of Homeland Security | NAICS 561612

Osage Nation Energy Services LLC

Tulsa, OK

Tulsa, OK | 17 awards | Top agency Department of Defense | NAICS 562910

$5,470,565

Ahtna Solutions, LLC

Anchorage, AK

Anchorage, AK | 62 awards | Top agency Department of Defense | NAICS 562910

$17,767,508

Brown And Caldwell

San Diego, CA

San Diego, CA | 5 awards | Top agency Department of Defense | NAICS 541330

$1,165,513

Aleut Remediation LLC

Oak Ridge, TN

Oak Ridge, TN | 20 awards | Top agency Department of Defense | NAICS 562910

$41,511,966

Sealaska Remediation Solutions, LLC

Seattle, WA

Seattle, WA | 20 awards | Top agency Department of Defense | NAICS 561990

$6,687,198

Garver LLC

North Little Rock, AR

North Little Rock, AR | 5 awards | Top agency Department of Transportation | NAICS 541310

$21,780

Shaw Environmental & Infrastructure, Inc.

Moorestown, NJ

Moorestown, NJ | 5 awards | Top agency Department of Defense | NAICS 237990

$467,838,296

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