Ashford Speleological Society
Avon Scouts Caving Section
Axbridge Caving Group
Bracknell & District Caving Club
Bristol Exploration Club
CDG Wales
Cerberus Spelaeological Society
Cheddar Caving Club
Cotham Caving Group
Cotham Speleological Society
East Sussex Scouts Caving Team
Education in the Environment Caving Club
Essex County Scout Caving Team
Exeter University Speleological Society
Frome Caving Group
Glasgow University Potholing Association
Gosport Caving Club
Greater London South Caving Committee
Hades Caving Club
Hampshire Scouts Caving Club
Hewlett Packard Caving Club

Kent University Caving Club
Mendip Caving Group
Mendip Nature Research Committee
Moles Caving Club
Newbury and District Caving Club
SCG
Shepton Mallet Caving Club
Shropshire Scouts RCC
South Bristol Speleological Society
South Wales Caving Club
Southsea Spelæological Society
Surrey Scout Caving Group
Taunton Caving Club
Toby Caving Club
University of Bristol Spelæological Society
University of Portsmouth Caving Club
Wealden Cave and Mine Society
Wessex Cave Club
Wimps and Y Anchors CC inc. ISG
Yorkshire Subterranean Society
Young Bristol