Department of Homeland Security NAICS 541611 and PSC R499 contractors

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541611 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$72,624,479,408

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541611 and PSC R499

Brillient Corporation

Reston, VA

Reston, VA | 55 awards | Top agency Department of Homeland Security | NAICS 561210

$450,090,959

Analytic Services Inc.

Arlington, VA

Arlington, VA | 91 awards | Top agency Department of Defense | NAICS 541611

$1,379,294,161

Strategic Technology Institute INC

Rockville, MD

Rockville, MD | 130 awards | Top agency Department of Defense | NAICS 336411

$15,733,310

Chugach Technical Solutions LLC

Anchorage, AK

Anchorage, AK | 156 awards | Top agency Department of Defense | NAICS 541330

$92,312,851

Chenega Enterprise Systems & Solutions, LLC

Chesapeake, VA

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

$352,905,279

Sehlke Consulting LLC

Vienna, VA

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

$205,034,431

Ntt Data Federal Services, Inc.

Herndon, VA

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

$250,445,653

Favor Techconsulting, LLC

Arlington, VA

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

$166,330,483

Saliense Consulting LLC

Mclean, VA

Mclean, VA | 74 awards | Top agency Department of Homeland Security | NAICS 541611

$146,486,023

A Square Group LLC

Frederick, MD

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

$98,230,841

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