Department of the Interior NAICS 541690 contractors

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

Agency: Department of the Interior

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$941,813,334

Visible recipients tied to Department of the Interior and NAICS 541690

Chenega Federal Systems, LLC

Bethesda, MD

Bethesda, MD | 20 awards | Top agency Department of Defense | NAICS 541330

$50,344,239

Caci Intelligence Solutions, LLC

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Defense | NAICS 541990

$167,469,698

Maniilaq Association

Kotzebue, AK

Kotzebue, AK | 92 awards | Top agency Department of Health and Human Services | NAICS 541710

Esimplicity INC

Silver Spring, MD

Silver Spring, MD | 101 awards | Top agency Department of Health and Human Services | NAICS 541512

$3,980,235

Kawerak, Inc.

Nome, AK

Nome, AK | 100 awards | Top agency Department of the Interior | NAICS 541690

$221,104

Acumen LLC

Burlingame, CA

Burlingame, CA | 73 awards | Top agency Department of Health and Human Services | NAICS 541611

$159,942,812

Janus Research Group, LLC

Evans, GA

Evans, GA | 103 awards | Top agency General Services Administration | NAICS 611430

$137,736,101

Akima Systems Engineering LLC

Herndon, VA

Herndon, VA | 233 awards | Top agency Department of Defense | NAICS 541512

$18,502,470

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Englewood, CO | 109 awards | Top agency Department of Defense | NAICS 541330

$188,201,905

Yurok Tribe

Klamath, CA

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

$172,322

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