Department of the Interior NAICS 237990 and PSC Y1JZ contractors in Washington

Other Heavy and Civil Engineering Construction. CONSTRUCTION OF MISCELLANEOUS BUILDINGS. Deepest cross-filter overlap.

Washington · Department of the Interior

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$293,181,205

Cross-code depth

4 filters

Top recipients

Visible recipients tied to Department of the Interior, Washington, NAICS 237990, and PSC Y1JZ

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 Management Services, LLC

Federal Way, WA

Federal Way, WA | 66 awards | Top agency Department of Defense | NAICS 236220

Pacific Tech Construction INC

Kelso, WA

Kelso, WA | 130 awards | Top agency Department of Defense | NAICS 238160

State page

Loading state-level contractor and award paths