Teams
Current
- Bradford Bulls
- Castleford Tigers
- Halifax Panthers
- Leeds Rhinos
- London Broncos
- Oldham
- St Helens
- Sheffield Eagles
- Warrington Wolves
- Wigan Warriors
- Workington Town
Former
- Barrow Raiders
- Batley Bulldogs
- Belle Vue Rangers
- Bramley
- Carlisle
- Dewsbury Rams
- Doncaster RLFC
- Featherstone Rovers
- Huddersfield Giants
- Hull FC
- Hull Kingston Rovers
- Hunslet Hawks
- Keighley Cougars
- Leigh Centurions
- Pilkington Recreation
- Prescot Panthers
- Rochdale Hornets
- Runcorn
- Salford Red Devils
- Swinton Lions
- Wakefield Trinity
- Whitehaven Warriors
- Widnes Vikings
- York City Knights