Department of the Interior PSC Y1AZ contractors in Washington

CONSTRUCTION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS. Contractors in this state-buyer-PSC overlap.

Washington + Department of the Interior

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$82,949,166

Visible recipients tied to Department of the Interior, Washington, and PSC Y1AZ

Tunista Construction LLC

Tacoma, WA

Tacoma, WA | 5 awards | Top agency Department of Defense | NAICS 236220

Sealaska Constructors LLC

Seattle, WA

Seattle, WA | 46 awards | Top agency Department of the Interior | NAICS 236220

Doyon Project Services, LLC

Federal Way, WA

Federal Way, WA | 20 awards | Top agency Department of Defense | NAICS 236220

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