Figawa German Federal Association for Gas and Water (registered association) www.figawa.de
DVGW German Technical and Scientific Association for Gas and Water (registered association) www.dvgw.de
LBT Bayern Regional Association of Bavarian Deep Drilling and Well Sinking Companies (registered association) association.
LTB Baden Württemberg Regional Association of Deep Drilling and Well Sinking Companies in Baden Württemberg (registered association)
RDB e. V. Federation of German Mining Engineers www.rdb-ev.de
Diverse chambers of industry and commerce www.ihk.de
Institute for hydro chemistry Munich Marchioninistraße 17 D - 81377 München Telephone: +49 - 89-2180-78231, Fax: +49 - 89-2180-78255 www.ws.chemie.tu-muenchen.de
Association of the Drilling and Well Sinking Companies in Saxony, Saxony-Anhalt and Thuringia (registered association)
World-wide
National Waterwell Association, Dublin, Ohio, USA (association of drilling industrialists)
Ground Water Institute (GWI), St. Paul, Minnesota USA (international exchange of experiences between European and US-drilling companies)
