GKN Aerospace Chem-tronics fabricates components (such as doors, ducts, enclosures, exhaust nozzles, keels, and bulkheads) for commercial, military aircraft, and spacecraft. The company, a subsidiary of GKN, specializes in lightweight chemically-milled titanium and aluminum alloy parts for engines, airframe structures, and launch vehicles. GKN Aerospace Chem-tronics makes components for Aerojet, Allison, Boeing, General Electric, Lockheed Martin, Pratt & Whitney, Rocketdyne, Rolls-Royce, and other aerospace companies. Additional products include complex welds, cases, modules, pressure vessels, and rings. The company was founded in 1953.