Acquisition, holding and management as well as sale of participations in construction and real estate companies and financing of companies affiliated with and closely related to the company, both domestically and abroad. The company may assume representations, grant affiliated companies loans or other financing, either against payment or free of charge, and provide security of any kind for liabilities of affiliated companies (against payment or free of charge), including by way of pledges on or fiduciary transfers of the company's assets or by way of guarantees of any kind. It may acquire, encumber, manage and sell real estate.