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NAICS 237990 and PSC Y1CA contractors in Washington

Other Heavy and Civil Engineering Construction. CONSTRUCTION OF SCHOOLS. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside Washington.

Washington · NAICS 237990 · PSC Y1CA

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$97,423,306

Buyer overlap

Top recipients

Visible recipients in the Washington overlap of NAICS 237990 and PSC Y1CA

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.

$97,423,306