The planning and execution of construction, civil engineering, industrial and transport projects, including cable car installations, as well as paving, participation in tenders and contracts for construction projects in general, the assumption of general representations in the construction industry, including materials and other related to construction and realization of works in the construction sector, the trade in building materials and components, as well as prefabricated buildings or other manufactured goods constituting significant parts of real estate, the planning and execution of plant engineering and air conditioning systems, the brokerage in the purchase and sale of real estate, subject to the regulations governing the sector, excluding the purchase and sale of real estate. Participating in similar commercial or industrial enterprises and exercising any other activity connected with the purpose.