NAICS 541990 and PSC R410 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: PROGRAM EVALUATION/REVIEW/DEVELOPMENT. Cross-code contractor overlap.

NAICS 541990 + PSC R410

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$1,228,570,027

State overlap

Top recipients

Visible recipients in the NAICS 541990 and PSC R410 overlap

Mathematica Inc.

Princeton, NJ

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

$550,020,788

The Lewin Group, Inc.

La Crosse, WI

La Crosse, WI | 82 awards | Top agency Department of Health and Human Services | NAICS 541720

$125,408,702

Icf Macro INC

Reston, VA

Reston, VA | 67 awards | Top agency Department of Health and Human Services | NAICS 541611

$491,381,357

Veritas Management Group, Inc.

Alpharetta, GA

Alpharetta, GA | 34 awards | Top agency Department of Health and Human Services | NAICS 541990

$23,440,758

Insight Policy Research, Inc.

Arlington, VA

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

$14,892,079

Technical Assent, LLC

Arlington, VA

Arlington, VA | 35 awards | Top agency Department of Veterans Affairs | NAICS 541611

$16,348,164

Global Evaluation & Applied Research Solutions (gears), Inc.

Atlanta, GA

Atlanta, GA | 13 awards | Top agency Department of Health and Human Services | NAICS 541611

$7,078,179

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