Ducommun Incorporated provides value-added manufacturing solutions to customers in the aerospace, defense, and industrial markets. It operates through two segments: Electronic Systems and Structural Systems. The Electronic Systems segment designs, engineers and manufactures high-reliability electronic and electromechanical products used in worldwide technology-driven markets, including aerospace and defense and industrial end-use markets. Electronic Systems product offerings primarily range from prototype development to complex assemblies. The Structural Systems segment designs, engineers and manufactures large, complex contoured aerostructure components and assemblies and supplies composite and metal bonded structures and assemblies. Structural Systems products are primarily used on commercial aircraft, military fixed-wing aircraft, and military and commercial rotary-wing aircraft. Its products are used in heavy industrial manufacturing systems and certain medical applications.