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