NAICS 541990 and PSC R799 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- MANAGEMENT: OTHER. Cross-code contractor overlap.

NAICS 541990 + PSC R799

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$7,920,270,360

State overlap

Top recipients

Visible recipients in the NAICS 541990 and PSC R799 overlap

Fedwriters, Inc.

Fairfax, VA

Fairfax, VA | 256 awards | Top agency Department of Commerce | NAICS 541611

$24,973,535

Nisgaa Ciops LLC

Juneau, AK

Juneau, AK | 45 awards | Top agency Department of Defense | NAICS 541519

$11,726,196

Jefferson Consulting Group LLC

Washington, DC

Washington, DC | 103 awards | Top agency Agency for International Development | NAICS 541611

$42,695,650

Parsons Government Services International Inc.

Pasadena, CA

Pasadena, CA | 46 awards | Top agency Department of Defense | NAICS 541990

$400,831,125

Censeo Consulting Group, Inc.

Washington, DC

Washington, DC | 117 awards | Top agency General Services Administration | NAICS 541611

$27,548,031

Paragon Technical Services, Inc.

Hilliard, OH

Hilliard, OH | 16 awards | Top agency Department of Energy | NAICS 561612

$39,227,234

Arservices, Limited

Falls Church, VA

Falls Church, VA | 33 awards | Top agency Department of Defense | NAICS 541330

$26,805,641

Axiom Resource Management, Inc.

Falls Church, VA

Falls Church, VA | 42 awards | Top agency Department of Defense | NAICS 541611

$24,076,006

Lantana Consulting Group, INC

East Thetford, VT

East Thetford, VT | 32 awards | Top agency Department of Health and Human Services | NAICS 541519

$40,051,673

Healthcare Management Solutions, LLC

Fairmont, WV

Fairmont, WV | 23 awards | Top agency Department of Health and Human Services | NAICS 541611

$22,182,484

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