Ducommun is a provider of manufacturing and engineering services. It operates through two segments: Electronic Systems and Structural Systems. The Electronic Systems segment provides full-service manufacturing services for high mix, low volume production of complex electronics used in high cost of failure applications. The Structural Systems segment provides large, complex contoured structural components and assemblies for aerospace and other applications. The company offers a range of design, engineering, and manufacturing capabilities that service the aerospace and defense, oil and gas exploration, test and measurement, telecommunications, space and medical markets.