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NAICS 541611 and PSC B599 contractors

Administrative Management and General Management Consulting Services. SPECIAL STUDIES/ANALYSIS- OTHER. Cross-code contractor overlap.

NAICS 541611 + PSC B599

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,983,512,447

State overlap

Top recipients

Visible recipients in the NAICS 541611 and PSC B599 overlap

Amentum National Security Programs, INC

Chantilly, VA

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

Mathematica Inc.

Princeton, NJ

Princeton, NJ | 183 awards | Top agency Department of Health and Human Services | NAICS 541720

Cheyenne River Sioux Tribe

Eagle Butte, SD

Eagle Butte, SD | 168 awards | Top agency Department of the Interior | NAICS 562111

Insight Policy Research, Inc.

Arlington, VA

Arlington, VA | 23 awards | Top agency Department of Health and Human Services | NAICS 541611

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