The company's purpose is to design and execute heating, ventilation, air conditioning, refrigeration, sanitary and other building technology systems. Furthermore, the company's purpose is to trade in and transport building materials and to hold and manage real estate. The company may establish branches and subsidiaries in Switzerland and abroad and participate in other companies in Switzerland and abroad, as well as conduct all business that is directly or indirectly related to its purpose. The company may acquire, encumber, sell and manage real estate in Switzerland and abroad. It may also provide financing for its own account or for the account of third parties and grant securities for the liabilities of affiliated companies.