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Home/NAICS 541990/PSC B542

NAICS + PSC page

NAICS 541990 and PSC B542 contractors

All Other Professional, Scientific, and Technical Services. SPECIAL STUDIES/ANALYSIS- EDUCATIONAL. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541990 + PSC B542
Last updated: April 7, 2026

Visible recipients

2

Mapped obligations

$325,624,814

State overlap

0

Top recipients

Visible recipients in the NAICS 541990 and PSC B542 overlap

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.

$322,539,504

Yulista Services, LLC

Huntsville, AL

Yulista Services, LLC is a federal 8a program participant profile based in Huntsville, AL. The current public data layer shows $2,040,052 in visible federal obligations across 19 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC J010.

$3,085,310

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