Department of the Interior NAICS 541330 and PSC N059 contractors

Engineering Services. INSTALLATION OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 541330 · PSC N059

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,628,664,443

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541330 and PSC N059

Siemens Government Technologies INC

Arlington, VA

Arlington, VA | 227 awards | Top agency Department of Defense | NAICS 541512

Tatitlek Federal Services LLC

Anchorage, AK

Anchorage, AK | 230 awards | Top agency Department of State | NAICS 541611

Ameresco Federal Solutions, Inc.

Farmingham, MA

Farmingham, MA | 18 awards | Top agency Department of Homeland Security | NAICS 541330

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