Department of Homeland Security NAICS 561621 and PSC N059 contractors

Security Systems Services (except Locksmiths). INSTALLATION OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 561621 · PSC N059

Last updated: April 6, 2026

Visible recipients

Mapped obligations

$3,280,845,909

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 561621 and PSC N059

M. C. Dean, Inc.

Tysons, VA

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

$1,080,736,298

Johnson Controls Building Automation Systems, LLC

Huntsville, AL

Huntsville, AL | 154 awards | Top agency Department of Defense | NAICS 541512

$2,200,109,611

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