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NAICS 541611 and PSC R499 contractors

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code contractor overlap.

NAICS 541611 + PSC R499

Last updated: April 17, 2026

Visible recipients

207

Mapped obligations

$127,315,211,125

State overlap

Top recipients

Visible recipients in the NAICS 541611 and PSC R499 overlap

Westat, Inc.

Bethesda, MD

Bethesda, MD | 469 awards | Top agency Department of Health and Human Services | NAICS 541720

$1,791,722,486

Magellan Federal, Inc.

Arlington, VA

Arlington, VA | 118 awards | Top agency Department of Defense | NAICS 624190

$1,025,519,996

Systems Planning And Analysis, Inc.

Alexandria, VA

Alexandria, VA | 238 awards | Top agency Department of Defense | NAICS 541330

$805,509,282

Atlas Research LLC

Washington, DC

Washington, DC | 16 awards | Top agency Department of Veterans Affairs | NAICS 541611

$270,708,799

Icf Incorporated, L.l.c.

Reston, VA

Reston, VA | 1,306 awards | Top agency Department of Health and Human Services | NAICS 541611

$4,343,277,583

Noblis, Inc.

Reston, VA

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

$1,196,271,202

It Concepts, Inc.

Mclean, VA

Mclean, VA | 98 awards | Top agency Department of Veterans Affairs | NAICS 541512

$78,087,407

Govcio, LLC

Fairfax, VA

Fairfax, VA | 94 awards | Top agency Department of Veterans Affairs | NAICS 541512

$365,221,818

Peraton Risk Decision Inc.

Loveland, CO

Loveland, CO | 54 awards | Top agency Office of Personnel Management | NAICS 561611

$314,785,466

Alutiiq Global Solutions, LLC

Anchorage, AK

Anchorage, AK | 5 awards | Top agency Department of Defense | NAICS 236220

$51,507,205

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