Ducommun, Inc. engages in the provision of engineering and manufacturing services to the aerospace, defense, industrial, and medical industries. It operates through the Electronic Systems and Structural Systems segments. The Electronic Systems segment offers electronic and electromechanical products used in worldwide technology-driven markets. The Structural Systems segment designs, engineers and manufactures contoured aero structure components, assemblies and supplies composite and metal bonded structures. The firm's products include commercial, military fixed-wing, and military and commercial rotary-wing aircrafts. The firm's products include human machine interface, RF products, and motors and resolvers. The company was founded by Charles Louis Ducommun in 1849 and is headquartered in Santa Ana, CA.