Department of Defense NAICS 541990 and PSC R499 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Defense.

Department of Defense · NAICS 541990 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$31,950,859,594

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541990 and PSC R499

Koniag Technology Solutions INC

Anchorage, AK

Anchorage, AK | 28 awards | Top agency Social Security Administration | NAICS 541511

$94,458,854

Venesco LLC

Chantilly, VA

Chantilly, VA | 64 awards | Top agency Department of Defense | NAICS 541330

$86,739,699

West 4th Strategy, LLC

Mc Lean, VA

Mc Lean, VA | 90 awards | Top agency Department of Justice | NAICS 541611

$15,275,626

Solutions Through Innovative Technologies INC

Fairborn, OH

Fairborn, OH | 72 awards | Top agency Department of Defense | NAICS 541330

$238,535,510

Insight Policy Research, Inc.

Arlington, VA

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

$73,833,202

National Institute Of Aerospace Associates

Hampton, VA

Hampton, VA | 26 awards | Top agency National Aeronautics and Space Administration | NAICS 541712

$2,443,575

Aitheras LLC

Rockville, MD

Rockville, MD | 45 awards | Top agency Department of Justice | NAICS 541519

$21,161,545

Altarum Institute

Novi, MI

Novi, MI | 62 awards | Top agency Department of Health and Human Services | NAICS 541611

$120,701,989

Chenega Applied Solutions, LLC

Lorton, VA

Lorton, VA | 42 awards | Top agency Department of Defense | NAICS 561210

$90,362,266

Ssi-venesco Jv LLC

Centreville, VA

Centreville, VA | 23 awards | Top agency Department of Defense | NAICS 541990

$3,585,025

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