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 three segments: Rolling Stock; Service & Components; and Signalling. The Rolling Stock segment manufactures various rail vehicles comprising high-speed, intercity, city transport, locomotives, tailor-made, and regional trains, as well as passenger coaches, light rails, and trams. The Service and Component segment provides revision, spare parts, vehicle repair, modernization and overhauling, and maintenance services; and supplies vehicle components, such as car bodies or bogies. The Signalling segment develops and distributes various signalling solutions for vehicles and infrastructures. This segment offers various solutions in the areas of train protection, communication-based train control for driverless operation, automatic train operation, driving assistance systems, interlocking technologies, and other trackside components for automatic train protection system, as well as services for the planning and implementation of security systems. Stadler Rail AG was founded in 1942 and is headquartered in Bussnang, Switzerland.