General Services Administration NAICS 541690 and PSC R499 contractors

Other Scientific and Technical Consulting Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under General Services Administration.

General Services Administration · NAICS 541690 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$5,022,678,956

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541690 and PSC R499

Chenega Federal Systems, LLC

Bethesda, MD

Bethesda, MD | 20 awards | Top agency Department of Defense | NAICS 541330

$109,073,785

Caci Intelligence Solutions, LLC

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Defense | NAICS 541990

$206,240,181

Mantech Mission, Cyber And Technology Solutions, Inc.

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Defense | NAICS 541690

$259,952,263

Noblis, Inc.

Reston, VA

Reston, VA | 372 awards | Top agency Department of Transportation | NAICS 541330

$501,173,646

Axle Informatics, LLC

North Bethesda, MD

North Bethesda, MD | 476 awards | Top agency Department of Health and Human Services | NAICS 541519

$825,524,543

Health Services Advisory Group, Inc.

Phoenix, AZ

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

$391,789,349

Tatitlek Technologies, LLC

Anchorage, AK

Anchorage, AK | 238 awards | Top agency Department of State | NAICS 561210

$256,567,506

Janus Research Group, LLC

Evans, GA

Evans, GA | 103 awards | Top agency General Services Administration | NAICS 611430

$176,511,341

Akima Systems Engineering LLC

Herndon, VA

Herndon, VA | 233 awards | Top agency Department of Defense | NAICS 541512

$40,347,084

Tmf Health Quality Institute

Austin, TX

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

$15,292,364

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