Office of Personnel Management NAICS 541350 and PSC R425 contractors

Building Inspection Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Office of Personnel Management.

Office of Personnel Management · NAICS 541350 · PSC R425

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$17,460,413

State overlap

Top recipients

Visible recipients in the Office of Personnel Management overlap of NAICS 541350 and PSC R425

Ad Hoc LLC

Mclean, VA

Ad Hoc LLC is a federal category business profile based in Mclean, VA. The current public data layer shows $10,894,709 in visible federal obligations across 36 awards or transactions. Department of Health and Human Services 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 D399.

$17,460,413