Renovation of buildings, structures; grounds, paving. Execution of concrete, drywall, carpentry and painting work. Execution of transportation, mechanical excavation, earthworks. The company may also engage in the purchase or rental of machinery and vehicles and/or building materials. Buying and selling of furniture, bathroom fixtures and sanitary appliances, floors, kitchens, household appliances of all kinds and types, and similar devices, lamps and lighting and alarm systems. The purchase and sale of land or real estate on its own account, acquiring interests and/or holding participations in other companies and enterprises both in Switzerland and abroad, as well as creating branches and representations both in Switzerland and abroad.