Agency + NAICS + PSC page
Department of Health and Human Services NAICS 541990 and PSC R428 contractors
All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS. 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 541990 · PSC R428
Last updated: April 7, 2026
Visible recipients
1
Mapped obligations
$23,503,231
State overlap
1
Top recipients
