Open access operators
DB Cargo UK | Elizabeth Line (TfL Rail) | Eurostar | Hull Trains | Grand Central | Heathrow Connect | Heathrow Express | London Overground | Lumo | Wrexham & Shropshire

Sleeper services
Caledonian Sleeper | Night Riviera

Defunct operators
Anglia Railways | Arriva Rail North | Arriva Trains Northern | Arriva Trains Wales | Central Trains | Connex South Central | Connex South Eastern | East Coast | East Midlands Trains | First Capital Connect | First Great Eastern | First Great Western Link | First North Western | Great North Eastern Railway | Midland Mainline | Northern Rail | South Eastern Trains | South West Trains | Thameslink | Thames Trains | Valley Lines | Virgin CrossCountry | Virgin Trains East Coast | Virgin Trains West Coast | Wales and Borders Trains | Wales and West | WAGN | Wessex Trains

Defunct British Rail sectors
British Rail | InterCity | Network SouthEast | Rail Express Systems | Railfreight (Loadhaul | Mainline Freight | Transrail) | Regional Railways (Network NorthWest | ScotRail)

Others
Alphaline | Motorail | Red Star Parcels | Sealink | Seaspeed

Infrastructure
Network Rail | Railtrack