Department of Health and Human Services NAICS 541990 and PSC AN11 contractors

All Other Professional, Scientific, and Technical Services. HEALTH R&D SERVICES; HEALTH CARE SERVICES; BASIC RESEARCH. Cross-code overlap under Department of Health and Human Services.

Department of Health and Human Services · NAICS 541990 · PSC AN11

Last updated: April 6, 2026

Visible recipients

Mapped obligations

$2,512,449,793

State overlap

Top recipients

Visible recipients in the Department of Health and Human Services overlap of NAICS 541990 and PSC AN11

Westat, Inc.

Bethesda, MD

Bethesda, MD | 469 awards | Top agency Department of Health and Human Services | NAICS 541720

$1,947,433,205

Technical Resources International, Inc.

Bethesda, MD

Bethesda, MD | 55 awards | Top agency Department of Health and Human Services | NAICS 541712

$565,016,588

Agency profile

Loading buyer-level contractor and category paths

Home/Department of Health and Human Services/NAICS 541990/PSC AN11

Agency + NAICS + PSC page

Department of Health and Human Services NAICS 541990 and PSC AN11 contractors

All Other Professional, Scientific, and Technical Services. HEALTH R&D SERVICES; HEALTH CARE SERVICES; BASIC RESEARCH. Cross-code overlap under Department of Health and Human Services.

Department of Health and Human Services · NAICS 541990 · PSC AN11

Last updated: April 6, 2026

Visible recipients

Mapped obligations

$2,512,449,793

State overlap

Top recipients

Visible recipients in the Department of Health and Human Services overlap of NAICS 541990 and PSC AN11

Westat, Inc.

Bethesda, MD

Bethesda, MD | 469 awards | Top agency Department of Health and Human Services | NAICS 541720

$1,947,433,205

Technical Resources International, Inc.

Bethesda, MD

Bethesda, MD | 55 awards | Top agency Department of Health and Human Services | NAICS 541712

$565,016,588