Department of Homeland Security NAICS 541330 and PSC 6350 contractors

Engineering Services. MISCELLANEOUS ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541330 · PSC 6350

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$3,178,568,194

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541330 and PSC 6350

M. C. Dean, Inc.

Tysons, VA

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

Leidos Security Detection & Automation, Inc.

Tewksbury, MA

Tewksbury, MA | 56 awards | Top agency Department of Homeland Security | NAICS 334517

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