Operation of a construction company, particularly the laying of insulations and subfloors as well as repair work, operation of a general contractor in the construction sector, and the acquisition, encumbrance, disposal, and management of real estate domestically and abroad. The company may acquire, exploit, and sell copyrights, patents, licenses, trademarks, and other intellectual property rights. It may establish branches and subsidiaries domestically and abroad and participate in other companies domestically and abroad, as well as conduct all business that is directly or indirectly related to its purpose. It may also provide financing for its own or third-party account and act as an intermediary, as well as provide guarantees and sureties for subsidiaries and third parties.