Department of the Interior NAICS 541310 and PSC R499 contractors

Architectural Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 541310 · PSC R499

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$268,287,348

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541310 and PSC R499

Wsp USA Solutions INC

Arlington, VA

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

Michael Baker International, Inc.

Moon Township, PA

Moon Township, PA | 58 awards | Top agency Department of Defense | NAICS 541330

Kimley-horn And Associates INC

Raleigh, NC

Raleigh, NC | 24 awards | Top agency Department of Transportation | NAICS 541330

Hntb Corporation

Kansas City, MO

Kansas City, MO | 24 awards | Top agency Department of Defense | NAICS 541330

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