NAICS 541620 contractors in Washington

Environmental Consulting Services. Contractors in this NAICS lane in Washington.

State: Washington

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$9,792,792

Buyer overlap

Top recipients

Visible recipients tied to NAICS 541620 in Washington

Confederated Tribes Of Colville Reservation

Nespelem, WA

Nespelem, WA | 230 awards | Top agency Department of the Interior | NAICS 921150

Spokane Tribe Of The Spokane Reservation

Wellpinit, WA

Wellpinit, WA | 103 awards | Top agency Department of the Interior | NAICS 541620

Sealaska Remediation Solutions, LLC

Seattle, WA

Seattle, WA | 20 awards | Top agency Department of Defense | NAICS 561990

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