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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

Booz Allen Hamilton INC

Mclean, VA

Mclean, VA | 3,955 awards | Top agency Department of Defense | NAICS 541512

$24,073,572,814

Science Applications International Corporation

Reston, VA

Reston, VA | 3,314 awards | Top agency Department of Defense | NAICS 541512

$6,496,641,799

Caci, Inc. - Federal

Chantilly, VA

Chantilly, VA | 1,121 awards | Top agency Department of Defense | NAICS 541512

$2,321,807,515

Accenture Federal Services LLC

Arlington, VA

Arlington, VA | 1,719 awards | Top agency Department of Defense | NAICS 541512

$2,808,529,151

Liberty It Solutions LLC

Mc Lean, VA

Mc Lean, VA | 5 awards | Top agency Department of Veterans Affairs | NAICS 541512

$273,051,438

Deloitte Consulting LLP

Arlington, VA

Arlington, VA | 1,829 awards | Top agency Department of Defense | NAICS 541512

$14,838,759,459

Vertex Aerospace LLC

Madison, MS

Madison, MS | 623 awards | Top agency Department of Defense | NAICS 488190

$926,538,043

Alion Science And Technology Corporation

Chicago, IL

Chicago, IL | 5 awards | Top agency Department of Defense | NAICS 541710

$299,042,818

Maximus Federal Services, Inc.

Mclean, VA

Mclean, VA | 238 awards | Top agency Department of Health and Human Services | NAICS 561422

$6,686,808,491

Bae Systems Technology Solutions & Services Inc.

Rockville, MD

Rockville, MD | 1,291 awards | Top agency Department of Defense | NAICS 541330

$2,044,019,095

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