* Founded: 1928
* Headquarters: Saint-Ouen-sur-Seine, France
* Products: High-speed trains, regional trains, metros, trams, locomotives, diesel multiple units, electric multiple units, freight locomotives, bogies, and components
* Notable projects: TGV, Eurostar, Pendolino, Coradia, Citadis
Bombardier Transportation (Germany)
* Founded: 1970
* Headquarters: Berlin, Germany
* Products: High-speed trains, regional trains, metros, trams, locomotives, diesel multiple units, electric multiple units, freight locomotives, bogies, and components
* Notable projects: ICE, Eurostar, Talent, RegioSwinger, Flexity
Siemens Mobility (Germany)
* Founded: 1847
* Headquarters: Munich, Germany
* Products: High-speed trains, regional trains, metros, trams, locomotives, diesel multiple units, electric multiple units, freight locomotives, bogies, and components
* Notable projects: ICE, Velaro, Desiro, Combino, Transrapid
Stadler Rail (Switzerland)
* Founded: 1942
* Headquarters: Bussnang, Switzerland
* Products: High-speed trains, regional trains, metros, trams, locomotives, diesel multiple units, electric multiple units, freight locomotives, bogies, and components
* Notable projects: FLIRT, GTW, Tango, Variobahn, Citylink
CAF (Construcciones y Auxiliar de Ferrocarriles) (Spain)
* Founded: 1917
* Headquarters: Beasain, Spain
* Products: High-speed trains, regional trains, metros, trams, locomotives, diesel multiple units, electric multiple units, freight locomotives, bogies, and components
* Notable projects: AVE, Renfe, Civia, Urdos, Solaris