Department of Defense NAICS 237990 and PSC F999 contractors

Other Heavy and Civil Engineering Construction. OTHER ENVIRONMENTAL SERVICES. Cross-code overlap under Department of Defense.

Department of Defense · NAICS 237990 · PSC F999

Last updated: April 14, 2026

Visible recipients

Mapped obligations

$2,175,679,685

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 237990 and PSC F999

Tetra Tech Ec, Inc.

San Diego, CA

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

$342,658,373

Ahtna Global LLC

Anchorage, AK

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

$29,232,685

Aleut Remediation LLC

Oak Ridge, TN

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

$71,245,539

Shaw Environmental & Infrastructure, Inc.

Moorestown, NJ

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

$1,732,543,088

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