NAICS + PSC page

NAICS 541611 and PSC B599 contractors

Administrative Management and General Management Consulting Services. SPECIAL STUDIES/ANALYSIS- OTHER. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541611 + PSC B599
Last updated: April 8, 2026

Visible recipients

3

Mapped obligations

$1,982,332,274

State overlap

0

Top recipients

Visible recipients in the NAICS 541611 and PSC B599 overlap

Amentum National Security Programs, INC

Chantilly, VA

Amentum National Security Programs, INC is a federal category business profile based in Chantilly, VA. The current public data layer shows $402,038,105 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R499.

$98,720,741

Mathematica Inc.

Princeton, NJ

Mathematica Inc. is a federal category business profile based in Princeton, NJ. The current public data layer shows $108,612,602 in visible federal obligations across 183 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541720 (Research and Development in the Social Sciences and Humanities). The profile also shows meaningful product and service activity in PSC R499.

$1,730,952,488

Insight Policy Research, Inc.

Arlington, VA

Insight Policy Research, Inc. is a federal 8a program participant profile based in Arlington, VA. The current public data layer shows $4,289,953 in visible federal obligations across 23 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$152,659,045