Department of Homeland Security NAICS 541330 and PSC N059 contractors

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

Department of Homeland Security · NAICS 541330 · PSC N059

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$2,550,799,378

State overlap

Top recipients

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

M. C. Dean, Inc.

Tysons, VA

Tysons, VA | 1,299 awards | Top agency Department of Defense | NAICS 541330

$1,934,315,414

Tatitlek Federal Services LLC

Anchorage, AK

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

$150,789,865

Schneider Electric Buildings Americas, Inc.

Carrollton, TX

Carrollton, TX | 54 awards | Top agency Department of Defense | NAICS 541330

$394,994,954

Ameresco Federal Solutions, Inc.

Farmingham, MA

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

$70,699,145

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