NAICS 541990 contractors in Washington

All Other Professional, Scientific, and Technical Services. Contractors in this NAICS lane in Washington.

State: Washington

Last updated: April 20, 2026

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$1,303,054

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Visible recipients tied to NAICS 541990 in Washington

Quinault Indian Nation

Taholah, WA

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

Yakama Nation

Toppenish, WA

Toppenish, WA | 20 awards | Top agency Department of the Interior | NAICS 541990

Cowlitz Indian Tribe

Longview, WA

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

Skokomish Indian Tribe

Skokomish Nation, WA

Skokomish Nation, WA | 51 awards | Top agency Department of Health and Human Services | NAICS 541690

Hoh Indian Tribe

Forks, WA

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

Lummi Nation

Bakerview, WA

Bakerview, WA | 20 awards | Top agency Department of Housing and Urban Development | NAICS 236220

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