Department of the Interior NAICS 541990 contractors

All Other Professional, Scientific, and Technical Services. Contractors in this NAICS lane under Department of the Interior.

Agency: Department of the Interior

Last updated: April 20, 2026

Visible recipients

Mapped obligations

$4,768,362,663

Visible recipients tied to Department of the Interior and NAICS 541990

West 4th Strategy, LLC

Mc Lean, VA

Mc Lean, VA | 90 awards | Top agency Department of Justice | NAICS 541611

$150,726

Presidio Networked Solutions Group, LLC

Lewisville, TX

Lewisville, TX | 75 awards | Top agency Federal Communications Commission | NAICS 517919

$153,920

Sault Ste Marie Tribe Of

Baie De Wasai, MI

Baie De Wasai, MI | 20 awards | Top agency Department of Health and Human Services | NAICS 238330

$20,000

Koniag Advisory And Business Solutions, LLC

Anchorage, AK

Anchorage, AK | 31 awards | Top agency Department of State | NAICS 541611

$1,762,370

Hoh Indian Tribe

Forks, WA

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

$63,000

Santa Ynez Band Of Mission Indians

Santa Ynez, CA

Santa Ynez, CA | 51 awards | Top agency Department of the Treasury | NAICS 541620

$22,279

Rincon Band Of Luiseno Indians

Valley Center, CA

Valley Center, CA | 20 awards | Top agency Department of the Treasury | NAICS 237110

Lummi Nation

Bakerview, WA

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

$17,255

Medical Science & Computing, LLC

Rockville, MD

Rockville, MD | 184 awards | Top agency Department of Health and Human Services | NAICS 541512

$626,053,126

Ukpeagvik Inupiat Corporation

Barrow, AK

Barrow, AK | 11 awards | Top agency Department of the Treasury | NAICS 531120

-$16,434

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