NAICS + PSC page

NAICS 561110 and PSC R499 contractors

Office Administrative Services. SUPPORT- PROFESSIONAL: OTHER. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 561110 + PSC R499

Last updated: April 6, 2026

Visible recipients

Mapped obligations

$2,440,337,763

State overlap

Top recipients

Visible recipients in the NAICS 561110 and PSC R499 overlap

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.

$23,388,940

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