Manufacture and trade of lightweight construction panels and associated attachment parts for structurally load-bearing applications in civil engineering and construction, provision of services in construction management or as general contractor. The company may establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire, encumber, sell and manage real estate in Switzerland and abroad, arrange financing for its own account or for the account of third parties, and grant guarantees and sureties for subsidiaries and third parties.