Department of the Interior NAICS 541690 and PSC R425 contractors

Other Scientific and Technical Consulting Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 541690 · PSC R425

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,313,714,191

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541690 and PSC R425

Chenega Federal Systems, LLC

Bethesda, MD

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

$272,755,979

Kawerak, Inc.

Nome, AK

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

$233,207

Janus Research Group, LLC

Evans, GA

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

$471,855,032

Akima Systems Engineering LLC

Herndon, VA

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

$108,106,720

Jbs International, Inc.

Rockville, MD

Rockville, MD | 53 awards | Top agency Department of Health and Human Services | NAICS 541990

$120,570,198

Zantech It Services, Inc.

Reston, VA

Reston, VA | 51 awards | Top agency Department of Homeland Security | NAICS 541611

$84,916,648

Ares Corporation

Mclean, VA

Mclean, VA | 16 awards | Top agency National Aeronautics and Space Administration | NAICS 541712

$244,322,353

Ameresco Federal Solutions, Inc.

Farmingham, MA

Farmingham, MA | 18 awards | Top agency Department of Homeland Security | NAICS 541330

$10,954,054

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