| National: | Arriva Trains Wales · c2c · Chiltern Railways · CrossCountry · East Midlands Trains · First Capital Connect · First Great Western · First ScotRail · First TransPennine Express · Gatwick Express · Grand Central · Heathrow Connect · Heathrow Express · Hull Trains · London Midland · London Overground · Merseyrail · National Express East Coast · Northern Ireland Railways1 · Northern Rail · One Railway2 · Southeastern · Southern · South West Trains · Virgin Trains |
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| International: | |
| Sub-brands: | Caledonian Sleeper3 · Island Line4 · Night Riviera5 · Stansted Express6 · |
1 Operates on the Irish railway network · 2 Becomes National Express East Anglia on Wed, Feb 27th 2008 · 3 Part of First ScotRail · 4 Part of South West Trains · 5 Part of First Great Western · 6 Part of One Railway | |