NAICS + PSC page

NAICS 237990 and PSC Y1FF contractors

Other Heavy and Civil Engineering Construction. CONSTRUCTION OF PENAL FACILITIES. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 237990 + PSC Y1FF

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$485,340,694

State overlap

Top recipients

Visible recipients in the NAICS 237990 and PSC Y1FF overlap

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.

$485,340,694