Ducommun Incorporated is a company that designs, engineers and builds electronic systems, large contoured aerostructures and engineered products and aftermarket services for global aerospace, defense, military and space markets. Founded in 1849, Ducommun is recognized as the oldest continuously operating business in California and today manufactures structural and electronic components, sub-assemblies and engineered products for a wide range of commercial, military and space platforms including the Boeing 737 NG and 787 airliners, Airbus A320 and Airbus A220 airliners, Joint Strike Fighter and F/A-18 fighter jets, C-17 heavy lift cargo jet, and the Apache, Chinook and Black Hawk helicopters. Ducommun's products for U.S. and International Space programs have been featured on Mars Rovers, the International Space Station, Frontiers Mission to Jupiter, Space Shuttle Program, CASSINI, COWVR, Dream Chaser, Rosetta, Venus Express, Hubble Rescue, INMARSAT, ISS Dextre Robot, Mexsat, MILSTAR, Sentinel 6, Osiris-Rex and Europa Clipper. Wikipedia