Department of Homeland Security NAICS 541512 and PSC R499 contractors

Computer Systems Design Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541512 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$175,477,852,222

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541512 and PSC R499

Chenega It Enterprise Services, LLC

Lorton, VA

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

$67,335,454

Global Alliant INC

Olney, MD

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

$25,820,960

Favor Techconsulting, LLC

Arlington, VA

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

$1,074,510,285

A Square Group LLC

Frederick, MD

Frederick, MD | 45 awards | Top agency Department of Health and Human Services | NAICS 541512

$365,461,854

Soft Tech Consulting, Inc.

Chantilly, VA

Chantilly, VA | 75 awards | Top agency Department of Health and Human Services | NAICS 541512

$269,402,806

Sierra7, Inc.

Mclean, VA

Mclean, VA | 141 awards | Top agency Department of Veterans Affairs | NAICS 541512

$334,668,402

Caci-iss, LLC

Chantilly, VA

Chantilly, VA | 26 awards | Top agency Department of Defense | NAICS 517110

$1,054,723,909

Intellect Solutions, LLC

Vienna, VA

Vienna, VA | 86 awards | Top agency Department of Defense | NAICS 541511

$151,307,070

A-tek, Inc.

Mc Lean, VA

Mc Lean, VA | 33 awards | Top agency Department of Health and Human Services | NAICS 541512

$233,757,046

Concept Plus, LLC

Fairfax, VA

Fairfax, VA | 66 awards | Top agency Department of Defense | NAICS 541511

$110,460,893

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