NAICS 561990 contractors in Washington

All Other Support Services. Contractors in this NAICS lane in Washington.

State: Washington

Last updated: April 20, 2026

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$12,378,795

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Visible recipients tied to NAICS 561990 in Washington

Quinault Indian Nation

Taholah, WA

Taholah, WA | 122 awards | Top agency Department of the Interior | NAICS 221320

Cowlitz Indian Tribe

Longview, WA

Longview, WA | 70 awards | Top agency Department of Health and Human Services | NAICS 561990

Hoh Indian Tribe

Forks, WA

Forks, WA | 56 awards | Top agency Department of the Interior | NAICS 541990

Sealaska Remediation Solutions, LLC

Seattle, WA

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

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