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Department of Homeland Security NAICS 541612 and PSC R499 contractors

Human Resources 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 541612 · PSC R499
Last updated: April 8, 2026

Visible recipients

10

Mapped obligations

$5,561,627,614

State overlap

4

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541612 and PSC R499

Serco INC

Herndon, VA

Serco INC is a federal category business profile based in Herndon, VA. The current public data layer shows $1,004,172,019 in visible federal obligations across 1,016 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 R499.

$4,831,316,571

Atlas Research LLC

Washington, DC

Atlas Research LLC is a federal category business profile based in Washington, DC. The current public data layer shows $295,094,625 in visible federal obligations across 16 awards or transactions. Department of Veterans Affairs 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.

$120,251,465

Peraton Risk Decision Inc.

Loveland, CO

Peraton Risk Decision Inc. is a federal category business profile based in Loveland, CO. The current public data layer shows $210,620,024 in visible federal obligations across 54 awards or transactions. Office of Personnel Management appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561611 (Investigation and Personal Background Check Services). The profile also shows meaningful product and service activity in PSC R422.

$306,858,085

Credence Dynamo Solutions LLC

Vienna, VA

Credence Dynamo Solutions LLC is a federal asian pacific american owned business profile based in Vienna, VA. The current public data layer shows $98,891,741 in visible federal obligations across 102 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 R499.

$101,528,378

Saliense Consulting LLC

Mclean, VA

Saliense Consulting LLC is a federal category business profile based in Mclean, VA. The current public data layer shows $38,842,423 in visible federal obligations across 74 awards or transactions. Department of Homeland Security 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 R499.

$55,833,356

Sekon Enterprise, LLC

Vienna, VA

Sekon Enterprise, LLC is a federal black american owned business profile based in Vienna, VA. The current public data layer shows $15,419,408 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 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC R408.

$30,457,881

Leidos Innovations Corporation

Gaithersburg, MD

Leidos Innovations Corporation is a federal category business profile based in Gaithersburg, MD. The current public data layer shows $13,272,861 in visible federal obligations across 2 awards or transactions. Department of Transportation appears as the strongest visible awarding agency. Top industry concentration is in NAICS 334290 (Other Communications Equipment Manufacturing). The profile also shows meaningful product and service activity in PSC 5820.

$1,149,764

Cameo Consulting Group LLC

Rockville, MD

Cameo Consulting Group LLC is a federal category business profile based in Rockville, MD. The current public data layer shows $9,498,278 in visible federal obligations across 80 awards or transactions. Department of Veterans Affairs 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 R499.

$38,006,658

I-link Solutions, Inc.

Chantilly, VA

I-link Solutions, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $6,524,037 in visible federal obligations across 26 awards or transactions. Department of Homeland Security 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 D302.

$7,500

Arc Aspicio LLC

Arlington, VA

Arc Aspicio LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $6,151,771 in visible federal obligations across 59 awards or transactions. Department of Homeland Security 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 R408.

$76,217,956