Execution of civil engineering works of all kinds as well as filling of roads; breaking of materials; execution of excavation works of all kinds; execution of sewerage works; execution of reinforced concrete works; laying of gas and oil pipelines as well as construction of sheet pile walls; execution of construction works of all kinds and forms in Switzerland and abroad. May participate in companies that directly or indirectly pursue this purpose. Taking over general agencies in these areas as well as the execution of repairs to machines and tools of all kinds and all work related to the aforementioned activities. May establish branch offices, participate in other companies, acquire or establish similar or related businesses.