All activities related to the operation of technical building installations. All installation, maintenance and repair work on plumbing, sanitary appliances, pipes, pool systems, sewage systems and pipes, heating systems, boilers, ventilation and air conditioning equipment and pipes, chimneys, burners, excavation opening, pipe repair, network detection, work on networks and various pipes related to the aforementioned activities, as well as post-disaster sanitation by means of drying of all kinds and all activities related thereto, as well as all activities in the fields of sanitary installations, sheet metal work, heating, gas, plumbing, repair, maintenance, repair, equipment and all work related to the activity deployed. The company may create branches or subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire companies with an identical or similar purpose, or merge with such companies. The company may also operate any trade or industry developed by its own means. The company may grant or request loans to its shareholders.