Department of the Interior NAICS 541990 and PSC B599 contractors

All Other Professional, Scientific, and Technical Services. SPECIAL STUDIES/ANALYSIS- OTHER. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 541990 · PSC B599

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$220,607,584

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541990 and PSC B599

Janus Research Group, LLC

Evans, GA

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

$214,695,706

Yakama Nation

Toppenish, WA

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

$1,959,836

Nez Perce Tribe

Lapwai, ID

Lapwai, ID | 187 awards | Top agency Department of Health and Human Services | NAICS 541990

$3,991,436

Ukpeagvik Inupiat Corporation

Barrow, AK

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

-$39,394

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