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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

Visible recipients in the Department of Health and Human Services overlap of NAICS 541990 and PSC R428