Department of the Treasury NAICS 541620 contractors

Environmental Consulting Services. Contractors in this NAICS lane under Department of the Treasury.

Agency: Department of the Treasury

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$117,714,831

Visible recipients tied to Department of the Treasury and NAICS 541620

Navajo Nation Tribal Government

Window Rock, AZ

Window Rock, AZ | 338 awards | Top agency Department of the Treasury | NAICS 621512

$192,710

Navajo Nation

Window Rock, AZ

Window Rock, AZ | 20 awards | Top agency Department of the Treasury | NAICS 541620

$29,467,111

Confederated Tribes Of Colville Reservation

Nespelem, WA

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

$1,094,306

Jacobs Engineering Group Inc.

Arlington, VA

Arlington, VA | 308 awards | Top agency Department of Defense | NAICS 541330

$30,177,616

Tohono O'odham Nation

Sells, AZ

Sells, AZ | 106 awards | Top agency Department of Health and Human Services | NAICS 237310

$1,051,213

Yurok Tribe

Klamath, CA

Klamath, CA | 135 awards | Top agency Department of the Interior | NAICS 238910

$423,989

Pascua Yaqui Tribe

Tucson, AZ

Tucson, AZ | 186 awards | Top agency Department of Health and Human Services | NAICS 813311

$6,598

Osage Nation

Pawhuska, OK

Pawhuska, OK | 211 awards | Top agency Department of Health and Human Services | NAICS 562910

$10,331,795

Spokane Tribe Of The Spokane Reservation

Wellpinit, WA

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

$662,693

Coeur D'alene Tribe

Plummer, ID

Plummer, ID | 108 awards | Top agency Department of the Interior | NAICS 541620

$1,052,628

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