- Asset Management, Operations & Maintenance (O&M)
- Automatic guidance, signs, media/advertisement, food services
- Brakes (air supply, discs, materials, brake blocks, regenerative brakes)
- Cargo Transportation, logistics, freight trains, IT
- Diesel engines, transmissions, bi-mode, storage batteries, capacitors
- Disaster prevention and safety measures
- Doors, windows, hoods
- Engineering design & Consultants
- Information and security
- Infrastructure Technology and Facilities
- Infrastructure/Railway Construction
- Interior design (floors, seats, baggage racks, material, in-vehicle lighting)
- In-vehicle facilities (toilets, washroom, AC)
- IT Software & Systems integrator
- Overhead Line Equipment
- Passenger Services
- Planning and Monitoring of Construction Works
- Power & electrification
- Rail simulator
- Railway Technology
- Reservation system
- Rolling Stock & Rail Vehicles
- Running gears (bogies, piping, coupling device, shock absorbing)
- Service for vehicles
- Signaling, communication, and control systems
- Station buildings, stores, building structure/method
- Stations (facilities for passengers, ticket checking and collecting machines, lighting, ticket vending machine)
- Sub-assemblies & components
- Technical Equipment/Building Materials
- Track Machinery, equipment, and tools
- Track works
- Train and Interiors
- Train body structure (materials, body structure, design, cleaning and painting)
- Universal design, barrier-free design