Signalling and Communications
- Aldridge Railway Signals, Railway Signals and Equipment
- Ansaldo STS, Train Control and Signalling Systems and Services
- Cactus Automation, Traffic Management System
- Crown, Railway Trackside Signal Housing Solutions
- DeltaRail Group, Signalling Control Systems, Track Geometry Monitoring and Integrated Maintenance Management Solutions
- Efftronics Systems, Passenger Information Systems, Data Loggers, Battery Monitoring Systems and Signal Lamps
- ERICO, Rail Signal Bonds, Track Tools, Cable Clips and Rail Protection Devices
- G&B Specialties, Rail Wayside Signal Products
- GAI-Tronics, Rail and Station Weather and Vandal-Resistant Telephones
- Icomera, Cellular Broadband Gateways
- Intecs, Fail-Safe Railway Signaling Software
- Invensys Rail, Signalling and Train Control Systems
- KeTech, Station CCTV Surveillance and Security Systems
- KEYMILE, Telecommunications Systems
- Kockum Sonics, Train Whistle Signals for Locomotives and Rolling Stock
- Mainframe Communications, Systems for Terminating, Splicing, Housing and Managing Fibre Optic Cabling
- Metcalfe, Rail Electric Motors and Track Signalling Inductors
- MICA, Rechargeable Flashlights, Hand Lamps, Cap Lamps and Signalling Lamps
- OTN Systems, Fibre-Optic Rail Communication Networks
- RCSA, Rail Signalling and Control Systems
- Siemens, Signalling and Control Systems
- Signalling Solutions, Turnkey Train Control and Re-Signalling
- Sirti, Rail Traffic Management Systems
- TELEFUNKEN, Radio Communication Systems
- Telvent, Rail Operation Management Systems
- TFL, Steel Enclosures, Cabins and REBs
- Thales, A Global Leader in Transportation
- TransCore, Rail and Intermodal Automatic Equipment Identification
