Department of Homeland Security PSC R499 contractors

SUPPORT- PROFESSIONAL: OTHER. Contractors in this PSC lane under Department of Homeland Security.

Agency: Department of Homeland Security

Last updated: April 17, 2026

Visible recipients

158

Mapped obligations

$86,414,295,562

Visible recipients tied to Department of Homeland Security and PSC R499

Chenega Naswik International LLC

Chantilly, VA

Chantilly, VA | 182 awards | Top agency Department of Defense | NAICS 561612

$3,444,126

Compqsoft, Inc.

Leesburg, VA

Leesburg, VA | 73 awards | Top agency Department of Defense | NAICS 541519

$67,519,938

The Whitestone Group, Inc.

Reynoldsburg, OH

Reynoldsburg, OH | 67 awards | Top agency Department of Transportation | NAICS 561612

$17,837,308

Sehlke Consulting LLC

Vienna, VA

Vienna, VA | 79 awards | Top agency General Services Administration | NAICS 541511

$134,645,239

Ntt Data Federal Services, Inc.

Herndon, VA

Herndon, VA | 123 awards | Top agency Department of Justice | NAICS 541511

$211,322,850

Chenega It Enterprise Services, LLC

Lorton, VA

Lorton, VA | 56 awards | Top agency Department of Defense | NAICS 541330

$33,589,616

Asrc Federal Professional Services, LLC

Beltsville, MD

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

$281,574,588

Global Alliant INC

Olney, MD

Olney, MD | 34 awards | Top agency Department of Health and Human Services | NAICS 541519

Favor Techconsulting, LLC

Arlington, VA

Arlington, VA | 49 awards | Top agency Department of Veterans Affairs | NAICS 541512

$151,793,686

Saint Regis Mohawk Tribe

Hogansburg, NY

Hogansburg, NY | 168 awards | Top agency Department of the Treasury | NAICS 921150

$3,500

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