Extraction activities with processing, transport, trade, and laying of natural stones. Management of quarries, either owned or on behalf of third parties, for the extraction of granite and natural stones and inert materials, with consequent excavation, mining, diamond cutting, recycling, and storage work. Processing of lapidary stones, crushing, screening, and washing of inert materials, preparation of decorative aggregates and for concrete or sub-bases. Construction of dry prefabricated elements for gabions and concrete with related concrete plants. The company may participate in other companies with similar purposes, establish branches, agencies, and representations in Switzerland and abroad; may acquire and establish other companies, as well as sign contracts of any kind suitable to achieve the social purpose, including the purchase, sale, rental, and leasing of real estate.