| 1. | UIS Informatics Commission | | | Formed in 1986 to encourage and facilitate the systematic collection and use of karst and related data on an international basis. Includes calendar of events, project and contact information. rubens.its.unimelb.edu.au |
| 2. | International Union of Speleology | | | Formed in 1965 and has departments devoted to protection and management, research, documentation, exploration and education. Includes bulletins and contact information. rubens.its.unimelb.edu.au |
| 3. | Hong Meigui Cave Exploration Society | | | Offers expeditions in China and other countries. Includes articles and stories, trip calendar, photos, survey data, and contact information. www.hongmeigui.net |
| 4. | Jamaican Caves and Sinkholes | | | Crew is dedicated to exploration, surveying and preservation. Includes trip reports, field notes, databases, photos and contacts. www.jamaicancaves.org |
| 5. | Cave Research Association (MAD) | | | Located in Ankara, Turkey and a member of the Union of International Speleology. Promotes exploration and conservation. Includes meeting and contact information. [Turkish and English]. www.mad.org.tr |
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