Operation of a subsoil business, sale of machines and execution of all construction work. May establish branches and subsidiaries and participate in other companies. May acquire, encumber, sell and manage real estate. May provide financing for its own account or for the account of third parties, as well as guarantees and sureties for subsidiaries and third parties. May acquire and exploit licenses, concessions and rights, acquire or merge with similar or related companies. May carry out all commercial, financial and other activities that are connected with the purpose of the company.