The operation of a construction company for buildings, civil engineering and general construction; extraction, production and trade of granite, sand, gravel; production and sale of concrete; maintenance and renovation of tunnels; execution of forestry, gardening and renaturation works; renovation of buildings, structures and concrete works; execution of road paving and natural stone paving works; execution of embankments, transports in general, winter service, mechanical excavations, earth movements; execution and management of landfills, recycling of materials; laying of pipes of all kinds; management of a technical design office, preparation of expert opinions; any other commercial or financial operation in direct or indirect relation to the purpose of the activity. Securing of rock walls, execution and maintenance of protection against natural events of all kinds.