R. & W. Hawthorn, Leslie and CompanyUnited Kingdom
Railpower TechnologiesCanada
Railway Workshop NeuaubingGermany
ReggianeItaly
Remontowa ShipbuildingPoland
RenaultFrance
RenaultFrance
Rimac AutomobiliCroatia
Ringhoffer-WerkeCzechoslovakia
Rising AutoPeople's Republic of China
RivianUnited StatesRobert Stephenson and HawthornsUnited Kingdom
RocarRomania
Rolls-Royce Motor CarsUnited Kingdom
Rīgas Vagonbūves rūpnīcaLatvia
Railpower TechnologiesCanada
Railway Workshop NeuaubingGermany
ReggianeItaly
Remontowa ShipbuildingPoland
RenaultFrance
RenaultFrance
Rimac AutomobiliCroatia
Ringhoffer-WerkeCzechoslovakia
Rising AutoPeople's Republic of China
RivianUnited StatesRobert Stephenson and HawthornsUnited Kingdom
RocarRomania
Rolls-Royce Motor CarsUnited Kingdom
Rīgas Vagonbūves rūpnīcaLatvia