Joint procurement and trade of building products of all kinds, in particular products for reinforcement, civil engineering and general building materials, support of partner companies in product launches, product developments, in administrative, logistical and organizational matters as well as in joint marketing; can establish branches and subsidiaries, participate in other companies, acquire, encumber, sell and manage real estate, arrange financing for its own account or for third-party account, and grant guarantees and sureties for subsidiaries and third parties.