| ACE Caving Experience: Offers beginner and intermediate trips in the Allegheny Mountains of Eastern West Virginia. Includes prices, location and contact information. |
| Andy Sparrow Caving Services: Offers a range of caving-related services including recreational caving and potholing sessions for beginners. Located in the Mendip Hills of Somerset, UK. |
| Aqua Exploration: Information on cavern and cave instruction and guiding in Yucatan, Mexico. |
| Caving in Northern Norway: Guided caving trips in Northern Norway. Trip outlines, contact details and brief details. |
| espeleobuceo.com: Courses and tours in Majorca with JJ Lavergne. |
| Green Mountain Holidays Caving Trip: Guided caving trip in the Apuseni Mountains, Romania. |
| H2O Pro Diving: Specialising in Cavern & Cave Diving and based in the village of, Tulum, Yucatan Penisula, Mexico. Guided dives, training, all levels of certification. |
| Hidden Worlds Cenote: Cavern diving and snorkeling tours on the Maya Riviera, Mexico. |
| Ka`Eleku Caverns: Guided tours operated by Maui Cave Adventures, Hana, Maui, Hawaii, USA. |
| Kula Kai Caverns: Guided tours of the lava tubes of Southern Hawaii, USA. |
| Lake Buchanan Adventures Outfitter & Guide: Colorado Bend State Park Gorman Cave Tours in the Texas Hill Country. Adventure trips, reservations, camping and directions. |
| Mayawalk Tours: A cave and jungle adventure package in Belize. Photos, rates and dates, contact information and package description. |
| Philippe Roux Caving and Canyoning Guide: A state registered independent professional, guiding in South Ardèche. Trip summaries, dates, rates, contact information. |
| Yorkshire Dales Guides: Caving trips from introductory, ladder/life line and SRT to underground safety and self rescue. |
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