Department of Homeland Security NAICS 561920 and PSC R499 contractors

Convention and Trade Show Organizers. 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 561920 · PSC R499

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$70,622,808

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 561920 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.

$70,622,808