Teams
Current
- Barrow Raiders
- Batley Bulldogs
- Dewsbury Rams
- Doncaster RLFC
- Featherstone Rovers
- Goole Vikings
- Halifax Panthers
- Hunslet RLFC
- Keighley Cougars
- London Broncos
- Midlands Hurricanes
- Newcastle Thunder
- North Wales Crusaders
- Oldham
- Rochdale Hornets
- Salford RLFC
- Sheffield Eagles
- Swinton Lions
- Whitehaven RLFC
- Widnes Vikings
- Workington Town
Former
- Birkenhead Wanderers
- Blackpool Gladiators
- Blackpool Panthers
- Bradford Bulls
- Bramley
- Bridgend
- Brighouse Rangers
- Carlisle
- Castleford
- Castleford Tigers
- Catalans Dragons
- Crusaders RL
- Holbeck
- Huddersfield Giants
- Hull FC
- Hull Kingston Rovers
- Lancaster
- Leeds Rhinos
- Leigh Leopards
- Manningham
- Millom
- Morecambe
- Normanton
- Nottingham City
- Pontefract
- Prescot Panthers
- St Helens
- South Shields
- Southend Invicta
- Stockport
- Toronto Wolfpack
- Toulouse Olympique
- Wakefield Trinity
- Warrington Wolves
- Wigan Warriors
- York Knights