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Department of Defense NAICS 237990 and PSC F108 contractors

Other Heavy and Civil Engineering Construction. ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Defense.

Department of Defense · NAICS 237990 · PSC F108
Last updated: April 8, 2026

Visible recipients

5

Mapped obligations

$3,580,343,331

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 237990 and PSC F108

Tetra Tech Ec, Inc.

San Diego, CA

Tetra Tech Ec, Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $418,648,162 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC F108.

$826,747,054

Weston Solutions INC

West Chester, PA

Weston Solutions INC is a federal category business profile based in West Chester, PA. The current public data layer shows $169,108,559 in visible federal obligations across 378 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z2JZ.

$772,202,989

Gilbane Federal

Concord, CA

Gilbane Federal is a federal category business profile based in Concord, CA. The current public data layer shows $33,832,334 in visible federal obligations across 58 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y1AZ.

$385,103,610

Ahtna Global LLC

Anchorage, AK

Ahtna Global LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $24,004,773 in visible federal obligations across 94 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC F108.

$75,513,010

Shaw Environmental & Infrastructure, Inc.

Moorestown, NJ

Shaw Environmental & Infrastructure, Inc. is a federal category business profile based in Moorestown, NJ. The current public data layer shows $5,641 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237990 (Other Heavy and Civil Engineering Construction). The profile also shows meaningful product and service activity in PSC Y299.

$1,520,776,668