Department of Homeland Security NAICS 541990 and PSC R799 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- MANAGEMENT: OTHER. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541990 · PSC R799

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$3,874,173,201

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541990 and PSC R799

Deloitte Consulting LLP

Arlington, VA

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

$2,492,404,099

Noblis, Inc.

Reston, VA

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

$509,832,426

Peraton Risk Decision Inc.

Loveland, CO

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

$193,636,579

Macaulay-brown, Inc.

Dayton, OH

Dayton, OH | 5 awards | Top agency General Services Administration | NAICS 541511

$967,957

Chenega Enterprise Systems & Solutions, LLC

Chesapeake, VA

Chesapeake, VA | 180 awards | Top agency Department of Health and Human Services | NAICS 541611

$90,281,644

Asrc Federal Professional Services, LLC

Beltsville, MD

Beltsville, MD | 54 awards | Top agency Department of Defense | NAICS 561611

$45,119,171

Integrated Finance And Accounting Solutions, Llc.

Washington, DC

Washington, DC | 193 awards | Top agency Department of State | NAICS 541219

$27,977,558

Digital Management LLC

Mc Lean, VA

Mc Lean, VA | 73 awards | Top agency Department of Defense | NAICS 541512

$236,099,248

Fedwriters, Inc.

Fairfax, VA

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

$24,973,535

Aveshka, Inc.

Vienna, VA

Vienna, VA | 62 awards | Top agency Department of Health and Human Services | NAICS 541990

$97,373,611

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