Ducommun Inc provides engineering & manufacturing services for high-performance products & high-cost-of failure applications used primarily in the aerospace and defense, industrial, medical & other industries. The company's reportable segments are Structural Systems & Electronic Systems. Structural Systems designs, engineers, and manufactures large, complex contoured aerostructure components & assemblies and supplies composite and metal bonded structures and assemblies. Electronic Systems designs, engineers, and manufactures high-reliability electronic & electromechanical products used in worldwide technology-driven markets including aerospace and defense, industrial, medical, & other end-use markets. It generates most of its revenue from the Electronic Systems.