The company's purpose is the installation and modernization of technical building equipment, particularly ventilation, air conditioning and air handling systems, as well as their maintenance, upkeep, repair and operation. The company is authorized to conduct all business that is suitable to serve the company's purpose directly or indirectly. The company may establish branches and subsidiaries at home and abroad and participate in other companies at home and abroad, as well as conduct all business that is directly or indirectly related to its purpose. The company may acquire, encumber, dispose of and manage real estate at home and abroad. It may also arrange financing on its own or another's account and provide security for the liabilities of affiliated companies.