Department of Health and Human Services NAICS 541350 and PSC R499 contractors

Building Inspection Services. 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 Health and Human Services.

Department of Health and Human Services · NAICS 541350 · PSC R499

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$41,359,627

State overlap

Top recipients

Visible recipients in the Department of Health and Human Services overlap of NAICS 541350 and PSC R499

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.

$41,359,627