Department of Defense NAICS 237990 contractors in Washington

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

Washington + Department of Defense

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$5,069,963,043

Visible recipients tied to Department of Defense, Washington, and NAICS 237990

Kiewit Infrastructure West Co.

Vancouver, WA

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

$1,011,043,616

Manson Construction CO

Seattle, WA

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

$3,907,681,425

Doyon Logistics Services Llc.

Federal Way, WA

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

$980,091

Knik Construction Co., Inc.

Seatac, WA

Seatac, WA | 20 awards | Top agency Department of Defense | NAICS 237310

$46,690,393

Tunista Construction LLC

Tacoma, WA

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

$17,055,752

Sealaska Constructors LLC

Seattle, WA

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

$24,422,196

Doyon Management Services, LLC

Federal Way, WA

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

$5,992,056

Pacific Tech Construction INC

Kelso, WA

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

$2,095,439

Doyon Project Services, LLC

Federal Way, WA

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

$19,568,007

Sealaska Secure Construction Solutions, LLC

Seattle, WA

Seattle, WA | 7 awards | Top agency Department of Justice | NAICS 236220

$24,500,000

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