GE Aviation joins the podium -- alongside the likes of Pratt & Whitney and Rolls-Royce --as one of the world's largest providers of jet engines and services for commercial and military aircraft. A business segment of GE, GE Aviation produces large and small jet, turboprop, and turbo shaft engines. It also offers replacement parts and maintenance, repair, and overhaul (MRO) services. Some engines are produced and marketed through CFM International and Engine Alliance (jointly owned by GE and Pratt & Whitney. Newer engines are also being designed and marketed in joint ventures with Rolls-Royce and Honda Aero. GE Aviation operates globally.