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The business of defense

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Company

Ducommun Incorporated

Ducommun designs and manufactures electronic and structural components and assemblies for aerospace and defense customers, plus industrial and medical markets. ↗

HeadquartersCosta Mesa, CA ↗
LeadershipStephen G. Oswald, Chairman, President and CEO ↗
Employees2,130 ↗
Revenue$825 million (fiscal 2025) ↗
Department of War obligations$33 million in prime contracts since fiscal 2022 ↗
OwnershipPublic (NYSE: DCO) ↗
SharesDCO ↗

Products

  • Ducommun builds complex cable assemblies, interconnect systems and printed circuit board assemblies for military and commercial aircraft and space programs. ↗
  • Ducommun makes sophisticated radar enclosures, aircraft avionics racks and shipboard communications and control enclosures. ↗
  • Ducommun supplies lightning diversion systems for commercial and military aircraft and space programs. ↗
  • Ducommun makes illuminated pushbutton switches and panels, microwave and millimeter switches and filters, and motors and resolvers. ↗
  • Ducommun makes winglets, engine components and fuselage structural panels for aircraft. ↗
  • Ducommun makes bonded metal and composite structures including wing spoilers, fuselage skins, rotor blades and flight control surfaces. ↗
  • Ducommun makes ammunition handling systems, including feed and eject chutes, storage magazines and custom gun mounts for military aircraft and ground vehicles. ↗
  • Ducommun makes aerodynamic systems, structural components for rotorcraft and business jets. ↗

Customers

  • RTX was Ducommun's largest customer in 2025, at 18% of net revenues. ↗
  • Boeing generated 13% of Ducommun's 2025 net revenues. ↗

Deals since 2020

Mar 202321

Ducommun buys BLR Aerospace

Seller: Crescent Capital Aerospace, L.L.C. and Michael Carpenter

A privately-held provider of aerodynamic systems for rotary- and fixed-wing aircraft, including FastFin systems, winglet systems, propellers and flow modifiers, based in Everett, Washington.

components and materialsSource
$115 millionClosed Apr 25, 2023
Dec 202116

Ducommun buys MagSeal

Seller: Mag Parent, Inc., Thomas B. Colby and Lyman J. Colby

A privately-held provider of military-proven magnetic seals for critical systems in aerospace and defense applications, based in Warren, Rhode Island.

components and materialsSource
$70 millionClosed Dec 16, 2021

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