CFM International is a 50/50 Franco-American joint venture between GE Aviation and Safran Aircraft Engines (formerly known as Snecma). It was formed to build and support the CFM56 series of turbofan engines. The company is the world’s leading supplier of commercial aircraft engines, delivering to date more than 37,500 of its engines to more than 570 operators. As of 2019, it holds 39% of the world's commercial aircraft engine market share.