Department of Homeland Security NAICS 561499 and PSC AD26 contractors

All Other Business Support Services. R&D- DEFENSE OTHER: SERVICES (MANAGEMENT/SUPPORT). 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 561499 · PSC AD26

Last updated: April 2, 2026

Visible recipients

Mapped obligations

$20,426,200

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 561499 and PSC AD26

Maximus INC

Mclean, VA

Maximus INC is a federal category business profile based in Mclean, VA. The current public data layer shows $194,545,463 in visible federal obligations across 5 awards or transactions. Department of Justice 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.

$20,426,200