The execution of a construction company for civil engineering, superstructure and substructure, a general contractor; the execution of roofing, forestry work, building renovation; concrete structures and works; the execution of paving works in general; the management of a technical and design office; the preparation of technical appraisals; the execution of embankments, transportation in general, mechanical excavations, earthworks; the execution and management of landfills; the rental of vehicles and machinery, the assumption of representations; the purchase and management of land and real estate; the purchase and sale of building materials in general; the purchase of participations in other companies or firms; any other commercial or financial operation in direct or indirect relation with the social purpose in Switzerland or abroad. May establish branches in Switzerland and abroad.