Rail Infrastructure: Track laying, station construction; rails, sleepers, fasteners, switches, overhead line equipment; bridge and tunnel design & construction; track maintenance, inspection & repair; civil and underground engineering; related lighting, safety, and ventilation systems.

Rolling Stock & Equipment: Locomotives, passenger coaches, freight wagons; complete vehicle equipment and related component systems; vehicle interiors and onboard equipment; vehicle maintenance and servicing.

Rail Control & Management: Railway communication & signaling, passenger information systems, ticketing & fare management systems, traffic control, tracking & positioning, station & terminal control, related sensors, and control software.

Professional Services: Railway research institutions, specialized consulting, investment & financing, professional training, trade media, etc.