The German Speleological Federation  
   Formed in 1955 and registered in Munich to survey and protect karst phenomena. Conducts annual national congress, a forum for exchange of ideas and lectures. Issues publications and maintains library. Includes contact information. [German, English and
   http://www.hfc-hersfeld.de/vdhk/vdhk_uk.html

Dresden Höhlenforschergruppe  
   Formed in 1962. Features excursions, bus tours, lectures and training courses. Includes history of HFG, membership, finances and contact information. [German and English].
   http://der-hoehlenforscher.de/index.htm

Höhlenforschergruppe an der TU Dresden  
   Focuses on exploration, survey and documentation of caves in the Berner Oberland area and Thuringia. Offers trips and training sessions. Includes photos and contact information. [German and English].
   http://rcswww.urz.tu-dresden.de/~km659855/

Speläoclub Berlin (SCB)  
   Involved in surveying projects in Switzerland, Thuringia and Bavaria. Includes list of publications, accommodations and contact information. [German and English].
   http://www.speleo-berlin.de/

International Speleological Alpine Karst Group (ISAAK)  
   Founded in 1988 to explore alpine karst phenomena. Includes membership requirements, calendar of events, photos, scientific journal and contact information. [German and English].
   http://www.agnld.uni-potsdam.de/~marwan/isaak/

Höhlenrettung Baden-Württemberg e.V.(Baden-Württemberg Cave Rescue Organization)  
   Founded in 1985 and located in southwest Germany. Team includes medical people, as well as technical personnel specialized in cave rigging. Includes contact information. [German and English].
   http://www.untertage.com/hoehlenrettung/