The operation of a construction company for buildings, civil engineering, superstructure and substructure, a general contractor; the construction, renovation, waterproofing and maintenance of tunnels; the execution of forestry work; the renovation of buildings, structures and concrete works; the execution of road paving work, the management of a technical and design office, the preparation of technical expert opinions, the execution of embankments, transports in general, mechanical excavations, earthworks; the execution and management of landfills; the rental of machinery and vehicles; the purchase and sale of building materials in general; the assumption of agencies, the purchase and management of land and real estate; the purchase of participations; the exploitation of patents, licenses and royalties; any other commercial or financial operation in direct or indirect relation with the company's purpose. The company may establish branches in Switzerland and abroad.