Department of Health and Human Services NAICS 238220 contractors in Washington

Plumbing, Heating, and Air-Conditioning Contractors. Use this deeper state-buyer-industry page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

Washington + Department of Health and Human Services

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$3,734,206

Visible recipients tied to Department of Health and Human Services, Washington, and NAICS 238220

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.

$3,734,206