Ducommun AeroStructures operates as a division of Ducommun Incorporated, which was founded in 1849. Located in Monrovia, Calif., it designs, engineers and manufactures some of the largest and complex contoured aerostructure components in the aerospace industry. The company's integrated processes include stretch-forming, thermal-forming, chemical milling, precision fabrication, machining and subassemblies. It also supplies composite and metal bond structures/assemblies, such as aircraft wing spoilers, helicopter blades, flight control surfaces and engine components. Ducommun AeroStructures serves the commercial aircraft, regional/business jet aircraft, military aircraft, commercial and military helicopter and space launch vehicle markets across the United States.