Teams
Current
- Cornwall RLFC
- Dewsbury Rams
- Goole Vikings
- Keighley Cougars
- Midlands Hurricanes
- Newcastle Thunder
- North Wales Crusaders
- Rochdale Hornets
- Swinton Lions
- Whitehaven RLFC
- Workington Town
Former
- Barrow Raiders
- Batley Bulldogs
- Blackpool Gladiators
- Blackpool Panthers
- Bradford Bulls
- Bramley
- Carlisle
- Crusaders RL
- Doncaster RLFC
- Featherstone Rovers
- Gloucestershire All Golds
- Halifax Panthers
- Hemel Stags
- Huddersfield Giants
- Hull Kingston Rovers
- Hunslet RLFC
- Leigh Leopards
- London Skolars
- Nottingham City
- Oldham
- Oxford RLFC
- Prescot Panthers
- Scarborough Pirates
- Sheffield Eagles
- South Wales
- Toronto Wolfpack
- Toulouse Olympique
- West Wales Raiders
- York Knights