Yorkshire Dales Guides
- Caving trips from introductory, ladder/life line and SRT to underground safety and self rescue.
- http://www.yorkshiredalesguides.co.uk/index.php?cPath=23

Mayawalk Tours
- A cave and jungle adventure package in Belize. Photos, rates and dates, contact information and package description.
- http://www.mayawalk.com/

Caving in Northern Norway
- Guided caving trips in Northern Norway. Trip outlines, contact details and brief details.
- http://www.nordlandturselskap.no/index.php?ID=91

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.
- http://www.h2oprodiving.com

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.
- http://www.mendipnet.co.uk/

Hidden Worlds Cenote
- Cavern diving and snorkeling tours on the Maya Riviera, Mexico.
- http://hiddenworlds.com.mx

Philippe Roux Caving and Canyoning Guide
- A state registered independent professional, guiding in South Ardèche. Trip summaries, dates, rates, contact information.
- http://www.canyon-speleo.com/indexa.html

ACE Caving Experience
- Offers beginner and intermediate trips in the Allegheny Mountains of Eastern West Virginia. Includes prices, location and contact information.
- http://www.aceraft.com/cave.html

Green Mountain Holidays Caving Trip
- Guided caving trip in the Apuseni Mountains, Romania.
- http://www.greenmountainholidays.ro/cavingtrip.html

Kula Kai Caverns
- Guided tours of the lava tubes of Southern Hawaii, USA.
- http://www.kulakaicaverns.com/htm/expeditions.htm

Ka`Eleku Caverns
- Guided tours operated by Maui Cave Adventures, Hana, Maui, Hawaii, USA.
- http://www.maui.net/~hanacave/