Anglia Railways
Arriva Trains Northern
Arriva Trains Wales
Avanti West Coast
Central Trains
Chiltern Railways
Connex South Central
CrossCountry
East Coast
East Midlands Trains
East Midlands Railway (EMR)
Eurostar
First Capital Connect
First Great Western
First Great Westen Link
First Hull Trains
First ScotRail
First TransPennine Express
Gatwick Express
Great North Eastern Railway (GNER)
Grand Central
Greater Anglia
Great Western Railway
Hull Trains
London North Eastern Railway (LNER)
London Midland
London Northwestern Railway
Merseyrail
Midland Mainline
Northern (Arriva Rail North Limited)
Northern (Serco-Abelio)
One Railway
ScotRail (National Express)
Silverlink Trains
Southeastern
Southern
South West Trains
Thameslink
TransPennine Express
Virgin Trains
Wessex Trains
West Midlands Railway
Wrexham & Shropshire