Teams
Current
- Ashton Bears
- Barrow Raiders
- Batley Bulldogs
- Bradford Bulls
- British Army
- Castleford Tigers
- Catalans Dragons
- Clock Face Miners
- Cornwall RLFC
- Dewsbury Rams
- Doncaster RLFC
- Doncaster Toll Bar
- Edinburgh Eagles
- Featherstone Rovers
- Fryston Warriors
- Halifax Panthers
- Hammersmith Hills Hoists
- Haresfinch ARLFC
- Heworth
- Huddersfield Giants
- Hull Dockers
- Hull FC
- Hull Kingston Rovers
- Hunslet ARLFC
- Hunslet RLFC
- Keighley Cougars
- Leeds Rhinos
- Leigh Leopards
- Leigh Miners Rangers
- Lock Lane
- London Broncos
- Lowca
- Medway Dragons
- Midlands Hurricanes
- Newcastle Thunder
- Newsome Panthers
- North Wales Crusaders
- Oldham
- Orrell St James
- Oulton Raiders
- Rochdale Hornets
- Rochdale Mayfield
- Royal Air Force
- Royal Navy
- St Helens
- Salford Red Devils
- Sheffield Eagles
- Siddal ARLFC
- South Wales Jets
- Stanningley
- Swinton Lions
- Thatto Heath Crusaders
- Wakefield Trinity
- Warrington Wolves
- Wath Brow Hornets
- West Bowling
- West Hull
- Wests Warriors
- Whitehaven RLFC
- Widnes Vikings
- Wigan Warriors
- Workington Town
- York Acorn
- York Knights
Former
- Abbey Hills
- Aberavon Fighting Irish
- Aberdare
- Aberdeen Warriors
- Ace Amateurs
- Ackworth
- Acton and Willesden
- Allerton
- Altrincham
- Alverthorpe
- Askam
- Askern Welfare
- Askham in Furness
- Aspatria
- Astley and Tyldesley Collieries
- Atherton Hornets
- BOCM
- BRK
- Bangor Vikings
- Bank Quay Bulls
- Barnsley United
- Barrow Cambridge Street
- Barrow Island
- Barrow Marsh Hornets
- Barrow St.George's
- Barry
- Barton
- Batley Boys
- Batley Victoria
- Bedford Tigers
- Beecroft and Wightman
- Belle Vue Rangers
- Bentley Good Companions
- Beverley
- Beverley East Hull
- Bickershaw Hornets
- Birkenhead Wanderers
- Birkenshaw
- Birstall
- Bisons
- Blackbrook
- Blackpool Gladiators
- Blackpool Panthers
- Blackwood Bulldogs
- Blue Bells
- Bowling
- Bradford Churchill
- Bradford Dudley Hill
- Bramley
- Bramley Buffaloes
- Bransholme
- Brentwood Eels
- Bridgend
- Bridgend Blue Bulls
- Brighouse Rangers
- Brighouse St.James
- Bristol Sonics
- British Police
- Brookhouse
- Brookland Rovers
- Broughton Moor
- Broughton Recs
- Broughton Red Rose
- Buslingthorpe Vale
- Cadishead
- Cadishead and Irlam
- Cambridge E
- Carcassonne
- Cardiff
- Cardiff Demons
- Cardiff Institute
- Carlisle
- Carluke Tigers
- Carnforth
- Castleford
- Castleford Panthers
- Chadderton
- Charleston Knights
- Chequerfield
- Clayton
- Cleckheaton
- Cork Bulls
- Cottingham
- Cottingham Phoenix
- Coventry
- Crompton
- Crosfields
- Crown Malet
- Crusaders RL
- Cutsyke
- Dalton
- Dearham Wanderers
- Dewsbury Celtic
- Dewsbury Moor
- Dinamo Moscow
- Distington
- Dodworth
- Drighlington
- Dublin Blues
- Dublin City Exiles
- Duckinfield
- Dudley Hill
- Durham Tigers
- Durham University
- East Hull
- East Leeds
- Eastmoor
- Ebbw Vale
- Eccles & Salford Juniors
- Eccles ARLFC
- Edge Hill University
- Egerton
- Egremont Rangers
- Elland
- Elland Wanderers
- Ellenborough
- Embassy
- Essex Eels
- Eureka
- Farnworth Ring O'Bells
- Featherstone
- Featherstone Amateurs
- Featherstone Juniors
- Featherstone Lions
- Featherstone Miners Welfare
- Fife Lions
- Fleetwood
- Fletcher Russell & Co
- Flimby and Fothergill
- Folly Lane
- Fulham Travellers
- Galway Tribesmen
- Garibaldi
- Gateshead Panthers
- Gateshead Storm
- Glasgow Bulls
- Glass Houghton
- Glasson Rangers
- Gloucester University
- Gloucestershire All Golds
- Gloucestershire Warriors
- Golden Lions
- Goole
- Great Clifton
- Greetland AR
- Groves United
- Half-Acre Trinity
- Haydock
- Healey St Adults
- Hebden Bridge
- Heckmondwike
- Hemel Stags
- Hensingham
- Higginshaw
- Higher Ince
- Hindley
- Holbeck
- Huddersfield Sharks
- Hull Isberg A
- Hull Juniors
- Hull Marlborough
- Hull Newington Rovers
- Hull St Mary's
- Hull St Patrick's
- Hull University
- Hull Victoria
- Hull Wyke
- Humberside University
- Hunslet Club Parkside
- Hunslet Warriors
- Ideal ABI
- Ideal Isberg
- Idle
- Illingworth
- Ince Rose Bridge
- Irlam Hornets
- Jarrow Vikings
- John Moores University
- Keighley Albion
- Kells
- Kells Recs Centre
- Kendal Hornets
- Kingston Comm
- Kinsley
- Kippax Knights
- Kippax White Swan
- Kirkstall
- Lancaster
- Lane End United
- Langworthy Juniors
- Latchford Albion
- Latchford Rangers
- Leeds Beckett University
- Leeds Met University
- Leeds Parish Church
- Leeds University
- Lees
- Leicester Storm
- Leigh East
- Leigh Miners Welfare
- Leigh Shamrocks
- Lézignan Sangliers
- Limoux Grizzlies
- Lindley Swifts
- Littleborough
- Liversedge
- Llanelli
- Lokomotiv Moscow
- London Chargers
- London Colonials
- London Skolars
- Longhorns
- Lostock Gralam
- Loughborough University
- Luddendenfoot
- Manchester Ship Canal
- Manningham
- Marsh Hornets
- Maryport
- Mayfield
- Merthyr Tydfil
- Mid Rhondda
- Middleton Marauders
- Midlands
- Milford Amateurs
- Milford Marlins
- Millom
- Moldgreen
- Moorends
- Morecambe
- Morley
- Mossley
- Myson
- Myton Warriors
- NDLB
- New Blackpool
- New Earswick All Blacks
- Newcastle (UK)
- Newcastle University
- Newington Rovers
- Norland Sharks
- Normanton
- Normanton St John's
- North Herts Crusaders
- Northampton Demons
- Northampton Knights
- Northside Saints
- Northumbria University
- Norwood
- Nottingham City
- Nottingham Crusaders
- Nottingham Outlaws
- Oldham Juniors
- Oldham St Annes
- Orchard Park
- Orchard Park & Greenwood
- Orford Tannery
- Ossett
- Otley
- Outwood Church
- Ovenden
- Oxford RLFC
- Paris St Germain
- Park Amateurs
- Parton
- Pemberton Rovers
- Pendlebury
- Pendlebury Juniors
- Penrith United
- Pia Donkeys
- Pilkington Recreation
- Pointer Panthers
- Police
- Pontefract
- Pontypridd
- Prescot Panthers
- Purston White Horse
- Queens
- Queensbury
- RL Conference Lionhearts
- Radcliffe Rangers
- Red Star Belgrade
- Redhill
- Rhondda Outlaws
- Risehow and Gillhead
- Rochdale Athletic
- Rochdale Rangers
- Rochdale St Clements
- Roose
- Rothwell
- Runcorn
- Runcorn Recs
- Rylands Recs
- St Albans Centurions
- St Gaudens
- St Marys
- Saddleworth Rangers
- Saint-Gaudens Bears
- Salford St Bartholomew's
- Salterhebble
- Saville Green
- Scarborough ARLFC
- Scarborough Pirates
- Scottish Border Eagles
- Seaton Rangers
- Sharlston Rovers
- Shaw Cross Sharks
- Sheffield Hills Hawks
- Sherwood Wolf Hunt
- Shipley
- Simms Cross ARLFC
- Skirlaugh
- Smallbridge
- South London Storm
- South Shields
- Southend Invicta
- Sowerby Bridge
- St. Paul's
- Stanley Rangers
- Stockport
- Strathmore Silverbacks
- Streatham and Mitcham
- Strela Kazan
- Student RL Old Boys
- Swinton Church
- Swinton Park
- Syngenta Sharks
- Teeside Steelers
- Thames Board Mills
- Thornhill Trojans
- Thornton Rangers
- Thrum Hall
- Todmorden
- Torfaen Tigers
- Toronto Wolfpack
- Toulouse Olympique
- Townville
- Treherbert
- Triangle Valve
- Twelve Apostles
- Tyldesley
- Ulverston
- Underbank Rangers
- United Glass Blowers
- University of Blackpool Panthers
- University of Gloucestershire
- University of Wales Institute
- Uno's Dabs
- Upton
- Upton & Frickley
- Valley Cougars
- Vereya
- Victoria Rangers
- Villeneuve
- Vine Tavern
- Wakefield Loco
- Walkden
- Wallsend Eagles
- Walney Central
- Wardley
- Warrington Locos
- Warrington St Mary's
- Warrington Wizards
- Waterhead
- Welsh Students
- Werneth
- West London Colonials
- West London Sharks
- West Wales Raiders
- Westfield Hotel
- Westgate Common ARLFC
- Westgate Redoubt
- Wheldale Colliery
- Whitehaven Recs
- Whitworth
- Widnes Albion Bulls
- Widnes Dragons
- Widnes Rangers
- Widnes St Maries
- Widnes West Bank
- Wigan Rangers
- Wigan St Cuthberts
- Wigan St Judes
- Wigan St Patricks
- Windhill
- Woolston Rovers
- Workington
- Worsley Boys Club
- Worth Village
- York Groves United
- York Imperial
- York Irish National League