Provision of all types of construction work, particularly masonry work. May establish branches and subsidiaries, both domestically and abroad, and invest in other companies, both domestically and abroad, as well as conduct all business that is directly or indirectly related to its purpose. May acquire, encumber, dispose of, and manage real property, both domestically and abroad, as well as provide financing for its own or third-party account, and provide guarantees and bonds for subsidiaries and third parties.