Operation of a construction company, purchase, sale, rental and leasing of real estate, as well as provision of services as general and total contractor in the construction and real estate sector; may participate in, found, acquire and merge with other companies of any kind, acquire, manage, encumber and dispose of properties and intellectual property rights, establish branches, arrange financing for its own account or for the account of third parties, provide personnel, and grant guarantees and sureties for subsidiaries and third parties.