Bombardier Transportation was a Canadian-German rolling stock and rail transport manufacturer, with headquarters in Berlin, Germany. It was one of the world's largest companies in the rail vehicle and equipment manufacturing and servicing industry. Bombardier Transportation had many regional offices, production and development facilities worldwide. It produced a wide range of products including passenger rail vehicles, locomotives, bogies, propulsion and controls. In February 2020, the company had 36,000 employees, and 63 manufacturing and engineering locations around the world. Formerly a division of Bombardier Inc., the company was acquired by French manufacturer Alstom on 29 January 2021.

Alstom SA is a French multinational rolling stock manufacturer which operates worldwide in rail transport markets. It is active in the fields of passenger transportation, signaling, and locomotives, producing high-speed, suburban, regional and urban trains along with trams.