Department of the Interior NAICS 237990 contractors in Washington

Other Heavy and Civil Engineering Construction. Contractors in this state-buyer-industry overlap.

Washington + Department of the Interior

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$4,987,867,936

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

Kiewit Infrastructure West Co.

Vancouver, WA

Vancouver, WA | 58 awards | Top agency Department of Defense | NAICS 237990

Manson Construction CO

Seattle, WA

Seattle, WA | 86 awards | Top agency Department of Defense | NAICS 237990

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

Nooksack Indian Tribe

Deming, WA

Deming, WA | 87 awards | Top agency Department of Health and Human Services | NAICS 237990

Pacific Tech Construction INC

Kelso, WA

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

Doyon Project Services, LLC

Federal Way, WA

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

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