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Adventure Verticale (AV)
Dankness Below
MyFenix
National Geographic
Petzl
Scurion
SpanSet
Starless river
Tough Tags
UpandUnder
Warmbac

Bristol Exploration Club (BEC)
Chelsea Spelaeological Society (CSS)
Council of Nothern Caving Clubs (CNCC)
Croydon Caving Club (CCC)
Red Rose Cave and Pothole Club (RRCPC)
Shepton Mallet Caving Club (SMCC)
Technical Speleological Group (TSG)
Yorkshire Subterranean Society (YSS)

British Caving Association (BCA)
British Cave Research Association (BCRA)