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Department of Homeland Security NAICS 541611 and PSC R499 contractors

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: OTHER. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Homeland Security.

Department of Homeland Security · NAICS 541611 · PSC R499
Last updated: April 6, 2026

Visible recipients

45

Mapped obligations

$66,051,959,601

State overlap

4

Top recipients

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

Reli Group INC

Windsor Mill, MD

Reli Group INC is a federal 8a program participant profile based in Windsor Mill, MD. The current public data layer shows $79,433,948 in visible federal obligations across 118 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R408.

$498,795,284

Mantech Srs Technologies, Inc.

Herndon, VA

Mantech Srs Technologies, Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $74,933,149 in visible federal obligations across 78 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$520,078,107

Brillient Corporation

Reston, VA

Brillient Corporation is a federal category business profile based in Reston, VA. The current public data layer shows $70,430,051 in visible federal obligations across 55 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC R699.

$450,090,959

Sehlke Consulting LLC

Vienna, VA

Sehlke Consulting LLC is a federal category business profile based in Vienna, VA. The current public data layer shows $42,854,613 in visible federal obligations across 80 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC R499.

$205,034,431

Goldbelt C6, LLC

Chesapeake, VA

Goldbelt C6, LLC is a federal 8a program participant profile based in Chesapeake, VA. The current public data layer shows $41,298,630 in visible federal obligations across 338 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R499.

$254,959,669

Favor Techconsulting, LLC

Arlington, VA

Favor Techconsulting, LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $39,734,834 in visible federal obligations across 49 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC D399.

$166,330,483

A Square Group LLC

Frederick, MD

A Square Group LLC is a federal category business profile based in Frederick, MD. The current public data layer shows $38,070,888 in visible federal obligations across 44 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC DA10.

$98,230,841

Sierra7, Inc.

Mclean, VA

Sierra7, Inc. is a federal category business profile based in Mclean, VA. The current public data layer shows $35,411,480 in visible federal obligations across 141 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC DA01.

$78,234,013

Prescient Edge Corporation

Mc Lean, VA

Prescient Edge Corporation is a federal category business profile based in Mc Lean, VA. The current public data layer shows $33,195,873 in visible federal obligations across 80 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)). The profile also shows meaningful product and service activity in PSC AC33.

$129,186,604

Caci-iss, LLC

Chantilly, VA

Caci-iss, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $31,674,903 in visible federal obligations across 24 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 517110 (Wired Telecommunications Carriers). The profile also shows meaningful product and service activity in PSC D307.

$525,305,099
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