Department of Homeland Security NAICS 334511 contractors

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing. Contractors in this NAICS lane under Department of Homeland Security.

Agency: Department of Homeland Security

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$79,537,261,433

Visible recipients tied to Department of Homeland Security and NAICS 334511

L3harris Interstate Electronics Corporation

Yorba Linda, CA

Yorba Linda, CA | 40 awards | Top agency Department of Defense | NAICS 541330

$503,934,069

Src INC

Syracuse, NY

Syracuse, NY | 271 awards | Top agency Department of Defense | NAICS 334511

$741,411,563

Textron Systems Corporation

Hunt Valley, MD

Hunt Valley, MD | 204 awards | Top agency Department of Defense | NAICS 336411

$580,766,499

Leidos Security Detection & Automation, Inc.

Tewksbury, MA

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

$148,946,321

Tyonek Aircraft Overhaul, LLC

Anchorage, AK

Anchorage, AK | 15 awards | Top agency Department of Homeland Security | NAICS 334511

$88,735,258

Tyonek Services Overhaul Facility-stennis, LLC

Kiln, MS

Kiln, MS | 42 awards | Top agency Department of Defense | NAICS 488190

$11,119,037

Curtiss-wright Ds, Inc.

Newtown, PA

Newtown, PA | 48 awards | Top agency Department of Defense | NAICS 334220

$105,470,240

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