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Department of Defense NAICS 238220 and PSC Y111 contractors

Plumbing, Heating, and Air-Conditioning Contractors. CONSTRUCTION OF OFFICE BUILDINGS. 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 Y111
Last updated: April 8, 2026

Visible recipients

4

Mapped obligations

$1,290,549,133

State overlap

3

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 238220 and PSC Y111

Whiting-turner Contracting Company, The

Towson, MD

Whiting-turner Contracting Company, The is a federal category business profile based in Towson, MD. The current public data layer shows $614,842,352 in visible federal obligations across 232 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 Y1JZ.

$396,606,951

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.

$830,784,914

Akima Construction Services LLC

Herndon, VA

Akima Construction Services LLC is a federal alaskan native corporation owned firm profile based in Herndon, VA. The current public data layer shows $79,828,656 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 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y111.

$30,764,951

Swinerton Builders

Concord, CA

Swinerton Builders is a federal category business profile based in Concord, CA. The current public data layer shows $457,871 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 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z111.

$32,392,317