| UC/DC switching power supplies |
| ultrasonic testing facilities for axles, shafts and wheels |
| underground railway systems |
| utility track vehicles |
| vacuum circuit breaker |
| validation according to Cenelec railway signaling standards |
| varnish and coating solutions |
| varnishes |
| vehicle components, electrical |
| vehicle components, mechanical |
| vehicle design |
| vehicle door systems |
| vehicle equipment, electrical |
| vehicle equipment, electrical |
| vehicle identification, automatic |
| vehicles for combined traffic |
| vehicles for local traffic and regional transport |
| vehicles for mainline traffic |
| ventilation and air conditioning systems |
| vibration control components |
| vibration damping, components for |
| vibration isolation, components for |
| video monitoring – stationary and in the vehicle |
| visual information systems, stationary and on-board |
| waggon construction |
| waggon repairs |
| warning devices and systems |
| warning systems, automatic |
| water heating systems |
| water separator, maintenance-free |
| water treatment |
| Weichenrollen |
| welding components |
| Werksseitig schweißtechnisch vergütete Schienen |
| wet rooms |
| wheel brake discs |
| wheel rail system service |
| wheel scales |
| wheel sensors |
| wheel slip-slide protection equipment |
| wheel sound absorbers |
| wheelchair-accessible elevating platforms |
| wheels turning machine |
| wheelset exchange units |
| wheelsets, monobolic wheels, wheel tyres, wheel discs |
| wind and air flow signaling systems |
| wiring solutions |
| working platforms |
| workshop equipment for depots and main repair shops |
| workshop planning |
