Department of the Interior NAICS 236220 and PSC B510 contractors

Commercial and Institutional Building Construction. SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 236220 · PSC B510

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$27,139,775

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 236220 and PSC B510

Navajo Nation

Window Rock, AZ

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

$26,393,669

Wsp USA Buildings INC

New York, NY

New York, NY | 5 awards | Top agency Department of Defense | NAICS 541330

$746,106

Agency profile

Loading buyer-level contractor and category paths

Home/Department of the Interior/NAICS 236220/PSC B510

Agency + NAICS + PSC page