Department of Homeland Security NAICS 561110 contractors

Office Administrative Services. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of Homeland Security.

Agency: Department of Homeland Security

Last updated: April 6, 2026

Visible recipients

Mapped obligations

$744,392,918

Visible recipients tied to Department of Homeland Security and NAICS 561110

Ironarch Technology LLC

Arlington, VA

Ironarch Technology LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $2,285,492 in visible federal obligations across 42 awards or transactions. Department of Veterans Affairs 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.

$8,216,163

Page 2 of 2Prev 1 2