Department of Defense NAICS 238220 and PSC Y1FF contractors

Plumbing, Heating, and Air-Conditioning Contractors. CONSTRUCTION OF PENAL FACILITIES. 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 238220 · PSC Y1FF

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$516,049,099

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 238220 and PSC Y1FF

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.

$516,049,099