Execution of studies and drilling in the geothermal field. Piling. Execution of works in the field of thermal and energy supply, subsoil drilling, investigation, promotion and marketing in the environmental and ecological field. The company may participate in similar companies, carry out any activity connected or useful to the achievement of the social purpose. The company may also establish branches abroad as well as acquire participations in other legal entities in Switzerland and abroad, and hold trademarks and patents.