Department of Health and Human Services NAICS 541620 and PSC B510 contractors

Environmental Consulting Services. SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS. Cross-code overlap under Department of Health and Human Services.

Department of Health and Human Services · NAICS 541620 · PSC B510

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$367,624,842

State overlap

Top recipients

Visible recipients in the Department of Health and Human Services overlap of NAICS 541620 and PSC B510

Navajo Nation

Window Rock, AZ

Window Rock, AZ | 20 awards | Top agency Department of the Treasury | NAICS 541620

$54,385,838

Yurok Tribe

Klamath, CA

Klamath, CA | 135 awards | Top agency Department of the Interior | NAICS 238910

$758,208

Wsp USA Solutions INC

Arlington, VA

Arlington, VA | 228 awards | Top agency Department of Defense | NAICS 541330

$84,427,302

Stantec Consulting Services Inc.

Denver, CO

Denver, CO | 138 awards | Top agency Department of Defense | NAICS 541330

$228,053,494

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