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Department of Defense NAICS 238220 and PSC Y1JZ contractors

Plumbing, Heating, and Air-Conditioning Contractors. CONSTRUCTION OF MISCELLANEOUS 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 Y1JZ
Last updated: April 8, 2026

Visible recipients

7

Mapped obligations

$2,437,073,616

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 238220 and PSC Y1JZ

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.

$1,776,910,377

Olgoonik General, LLC

Anchorage, AK

Olgoonik General, LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $52,622,271 in visible federal obligations across 148 awards or transactions. Department of Health and Human Services 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.

$107,506,197

Sealaska Constructors LLC

Seattle, WA

Sealaska Constructors LLC is a federal alaskan native corporation owned firm profile based in Seattle, WA. The current public data layer shows $38,497,365 in visible federal obligations across 47 awards or transactions. Department of the Interior 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 Y1CA.

$76,002,318

Messer Construction CO

Cincinnati, OH

Messer Construction CO is a federal category business profile based in Cincinnati, OH. The current public data layer shows $28,493,431 in visible federal obligations across 75 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.

$344,314,543

Core Construction Company Of Jacksonville

Jacksonville, FL

Core Construction Company Of Jacksonville is a federal asian pacific american owned business profile based in Jacksonville, FL. The current public data layer shows $5,602,199 in visible federal obligations across 5 awards or transactions. Small Business Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236210 (Industrial Building Construction). The profile also shows meaningful product and service activity in PSC Y1EB.

$91,042

Olgoonik Specialty Contractors, LLC

Colorado Springs, CO

Olgoonik Specialty Contractors, LLC is a federal alaskan native corporation owned firm profile based in Colorado Springs, CO. The current public data layer shows $3,132,019 in visible federal obligations across 32 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.

$75,678,483

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.

$56,570,656