Stadler Rail AG, through its subsidiaries, engages in the manufacture and sale of trains in Switzerland, Germany, Austria, Western and Eastern Europe, the Americas, the CIS countries, and internationally.

It operates through two segments, Rolling Stock; and Service and Components.

The company's Rolling Stock segment manufactures high-speed and intercity trains, suburban and regional transport trains, passenger coaches, light rails, trams, and metros locomotives, as well as city transport and tailor-made vehicles.

Its Service and Component segment provides modernization and revision, spare parts, vehicle repair, upgrading and overhauling, and maintenance services; and supplies vehicle components, such as car bodies or bogies.

The company was founded in 1942 and is headquartered in Bussnang, Switzerland.