United Technologies Corporation (extinct)

Founded in 1849, Ducommun Incorporated is the oldest company in California. Evolving from a hardware supply store opened by Charles Ducommun in Los Angeles during the California Gold Rush, the company assisted in the birth of the aerospace industry in Southern California by providing aircraft aluminum to companies such as Lockheed. Today, Ducommun is a leading provider of engineering and manufacturing services for high-cost-of-failure applications in diverse markets, including aerospace, defense, industrial, oil-and-gas, mining and medical. Ducommun provides its customers with custom, high-reliability solutions for their electronic and aircraft structure needs. The company draws upon best-in-class processes, a continuous improvement culture and a passionate commitment to excellence to deliver quality in everything it does. Ducommun operates through three business units: Ducommun AeroStructures (DAS) is a manufacturing services company supplying a wide variety of composite and metal bond structures and assemblies, including aircraft wing spoilers, large fuselage skins, helicopter blades, flight control surfaces and engine components, to a global customer base. The company also designs, engineers and manufactures the largest, most complex contoured aluminum, titanium and Inconel® aerostructure components in the aerospace industry today. Ducommun’s integrated processes include stretch-forming, thermal-forming, Ti SPF and hot forming, chemical milling, precision fabrication, machining, and finishing, as well as integrating components into subassemblies. Ducommun AeroStructures serves the full spectrum of commercial and military aerospace end markets, including commercial airliners, regional and business jet aircraft, military aircraft, commercial and military helicopters, satellites and space launch vehicles. The company has operations in California, Kansas, New York and Mexico. Ducommun LaBarge Technologies (DLT) is a leading provider of electronics manufacturing services, including the design and manufacture of complex cable assemblies and interconnect systems, printed circuit board assemblies, and higher-level electronic, electromechanical and mechanical assemblies for diverse, high-reliability applications. Ducommun LaBarge is also a leading supplier of electromechanical illuminated push button switches for the aerospace industry, microwave switches and components for the aerospace and wireless communications industries, and engineering, technical and program management services principally for the aerospace industry. Ducommun LaBarge Technologies serves a variety of end markets, including defense, aerospace, industrial, oil-and-gas, mining and medical. The company has operations in Arizona, Arkansas, California, Missouri, Oklahoma, Pennsylvania, Texas, Wisconsin and Thailand. Ducommun Miltec is an engineering services company engaged in missile and aerospace system design, development, integration, and test. The company proactively leverages the knowledge base, capabilities, talent, and technologies of this focused market into NASA and commercial ventures. Ducommun Miltec's primary customer base consists of the US Army Space and Missile Defense Command (SMDC) and the Aviation and Missile Command (AMCOM), with additional major customers including the Missile and Space Intelligence Center (MSIC), the US Navy, and NASA Marshall Space Flight Center (MSFC). As an integrator, Miltec provides extensive in-house engineering capabilities in all applicable areas related to defense/aerospace systems. These areas include, but are not limited to, systems, aerodynamics, propulsion, guidance-navigation-and control (GNC), lethality/warheads, simulation, avionics, structures, software, IMUs, seeker/sensors, and signal processing. The company has operations in Alabama, Colorado, and Mississippi.

Esterline Technologies Corp. engages in the manufacture of aircraft parts and components, automated drilling products and machine tool systems. Its brands include Armtec, Auxitrol, CMC, Darchem, Jsanco, Leach and LRE. The company was founded on December 14, 1987 and is headquartered in Bellevue, WA.

Hexcel Corp. engages in the development, manufacture, and market of advanced composite materials for the commercial aerospace, space and defense, and industrial markets. It operates through the following segments: Composite Materials; Engineered Products; and Corporate and Other. The Composite Materials segment comprises of carbon fiber, specialty reinforcements, resins, prepregs and other fiber-reinforced matrix materials, and honeycomb core product lines and pultruded profiles. The Engineered Products segment consists of lightweight high strength composite structures, engineered core and honeycomb products with added functionality, and additive manufacturing. The company was founded by Roger C. Steele and Roscoe T. Hughes in 1946 and is headquartered in Stamford, CT.