Department of Defense NAICS 541330 and PSC 6350 contractors

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

Department of Defense · NAICS 541330 · PSC 6350

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$3,278,778,445

State overlap

Top recipients

Visible recipients in the Department of Defense 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

Chenega Security International, LLC

Chantilly, VA

Chantilly, VA | 28 awards | Top agency Department of Defense | NAICS 561612

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