| Bassett Metal Studio: Designers of rope rescue equipment. |
| Beal-Planet.com: Manufacture of Spelenium and Antipodes static caving ropes. |
| Chamberlain Educational Services Centre: Helping students from Hong Kong and China to study abroad in Australia, Canada and the UK. Advice, University fasttrack, partner listings, student services and contacts. |
| Firefly Electronics: A specialist manufacturer of ultra sensitive slave units. |
| HDS Systems: The lithium powered LED Action Light, suitable for emergency cave lighting. |
| Lyon Equipment: UK based distributor for some of the biggest names in caving equipment. |
| Meggaflash Technologies: Manufacturer of flashbulbs with masses of information on bulb availability and specifications. |
| Nevtek: Fluorescent cap lamps. |
| Petzl: Supplier of caving technical equipment and headlamps. Detailed product listings, technical advice, worldwide supplier contacts. |
| PMI Ropes and Equipment: Manufacturer and supplier of ropes and associated rigging equipment. |
| Rite in the Rain: Manufacturer of waterproof, outdoor writing paper. |
| Speleo Technics: Specialist supplier of caving lights and lighting equipment, based in the UK. |
| SRTE: Manufacturer of single rope technique equipment. |
| Wisdom Li-Lion Battery: Manufacturer of li-ion battery mineral lamps, carbides and mining lamps. Technical details, advice and trading information. |
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