Exploitation of a trust office; all commercial, financial, real estate and personal property operations as well as business management consulting. Trading, brokerage, recycling of all materials and industrial slags in the ecological environment, as well as river transport and exploitation, holding of participations, international trade in all goods, acquisition, construction, leasing and resale of buildings, exploitation of said buildings, alienation of all or part of these buildings by means of sales, exchanges or contributions to companies, excluding all operations prohibited by the LFAIE.