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Department of Homeland Security NAICS 611430 and PSC R499 contractors

Professional and Management Development Training. 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 611430 · PSC R499
Last updated: April 8, 2026

Visible recipients

6

Mapped obligations

$1,010,426,620

State overlap

4

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 611430 and PSC R499

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.

$70,300,515

Ntt Data Federal Services, Inc.

Herndon, VA

Ntt Data Federal Services, Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $42,532,553 in visible federal obligations across 123 awards or transactions. Department of Justice 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 R408.

$248,528,877

Redhorse Corporation

Arlington, VA

Redhorse Corporation is a federal category business profile based in Arlington, VA. The current public data layer shows $30,311,976 in visible federal obligations across 101 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 611430 (Professional and Management Development Training). The profile also shows meaningful product and service activity in PSC R499.

$601,984,583

Patriot LLC

Columbia, MD

Patriot LLC is a federal category business profile based in Columbia, MD. The current public data layer shows $22,056,165 in visible federal obligations across 47 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 D399.

$45,201,902

Ellumen, Inc.

Silver Spring, MD

Ellumen, Inc. is a federal category business profile based in Silver Spring, MD. The current public data layer shows $21,911,057 in visible federal obligations across 52 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.

$31,436,350

Old Harbor Solutions LLC

Anchorage, AK

Old Harbor Solutions LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $10,910,344 in visible federal obligations across 66 awards or transactions. Department of Defense 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.

$12,974,393