General Services Administration NAICS 541618 and PSC R499 contractors

Other Management Consulting Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under General Services Administration.

General Services Administration · NAICS 541618 · PSC R499

Last updated: April 13, 2026

Visible recipients

Mapped obligations

$5,229,910,477

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541618 and PSC R499

Nana Pacific, LLC

Herndon, VA

Herndon, VA | 20 awards | Top agency General Services Administration | NAICS 517212

$16,304,177

Health Services Advisory Group, Inc.

Phoenix, AZ

Phoenix, AZ | 30 awards | Top agency Department of Health and Human Services | NAICS 541618

$709,014,161

Tmf Health Quality Institute

Austin, TX

Austin, TX | 20 awards | Top agency Department of Health and Human Services | NAICS 541618

$340,905,795

Telligen, INC

West Des Moines, IA

West Des Moines, IA | 15 awards | Top agency Department of Health and Human Services | NAICS 541618

$357,925,881

Calibre Systems INC

Alexandria, VA

Alexandria, VA | 125 awards | Top agency Department of Defense | NAICS 541990

$1,199,786,189

Analytic Services Inc.

Arlington, VA

Arlington, VA | 91 awards | Top agency Department of Defense | NAICS 541611

$695,208,661

Qlarant Quality Solutions, Inc.

Easton, MD

Easton, MD | 5 awards | Top agency Department of Health and Human Services | NAICS 541618

$27,292,073

Riverside Research Institute

New York, NY

New York, NY | 45 awards | Top agency Department of Defense | NAICS 541712

$649,243,943

Livanta LLC

Virginia Beach, VA

Virginia Beach, VA | 10 awards | Top agency Department of Health and Human Services | NAICS 541618

$815,039,364

Aoc Solutions, INC

Fairfax, VA

Fairfax, VA | 23 awards | Top agency Department of Defense | NAICS 541611

$13,315,931

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