Leading the market with a 44% overall share is CFM International, manufacturer of the CFM56 engine - the world's most popular engine type. In 2021, it is estimated that more than 20,000 units are in-service.
Second is GE Aviation, with a market share of 23% in 2021. Helping its market share is the CF34, an option for several regional and business aircraft including Bombardier's CRJ, Embraer E-Jet and the Chinese-made ARJ21. In the widebody segment, the CF6 and GE90 also account for nearly 5,000 engine units between them.
Pratt & Whitney Canada
With its PW100 engine dominating the tubroprop segment, Pratt & Whitney Canada is the third largest engine manufacturer this year by market share. Aviation Week estimates a 12% share of the market with nearly 7,000 engines in-service.
Rolls-Royce specializes in widebody engines in the commercial space. Overall, it has an 11% of the commercial market with its Trent engines having nearly 4,000 units in-service in 2021.
International Aero Engines
Credit: MTU Maintenance
IAE's V2500 is the second most popular narowbody engine on the market and drives the company's overall share in the segment. Aviation Week estimates IAE holds a 10% share.
Looking at the top five engine manufacturers by market share in the commercial aerospace market.