Sustainable use of natural water, particularly in the Gotthard region; exploration, utilization and marketing of groundwater, spring water, natural mineral water, healing water, table water, packaged drinking water, etc.; energy extraction from groundwater including energy contracting, utilization of tunnel water, waste heat utilization for infrastructure facilities as well as extraction, processing and marketing of natural stones. May participate in companies of a similar nature at home and abroad, acquire and sell real estate, and establish branches and subsidiaries at home and abroad.