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General Services Administration NAICS 237990 and PSC Y1FC contractors

Other Heavy and Civil Engineering Construction. CONSTRUCTION OF TROOP HOUSING FACILITIES. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under General Services Administration.

General Services Administration · NAICS 237990 · PSC Y1FC
Last updated: April 7, 2026

Visible recipients

4

Mapped obligations

$1,369,538,516

State overlap

4

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 237990 and PSC Y1FC

Sundt Construction, Inc.

Tempe, AZ

Sundt Construction, Inc. is a federal category business profile based in Tempe, AZ. The current public data layer shows $1,303,284,586 in visible federal obligations across 7 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 Y199.

$110,921,944

Nan INC

Honolulu, HI

Nan INC is a federal asian pacific american owned business profile based in Honolulu, HI. The current public data layer shows $522,369,104 in visible federal obligations across 100 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 Y1FC.

$683,673,200

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.

$190,868,194

Clark Construction Group LLC

Bethesda, MD

Clark Construction Group LLC is a federal category business profile based in Bethesda, MD. The current public data layer shows $399,234,980 in visible federal obligations across 109 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 Y1AA.

$384,075,178