The Viessmann Group is one of the world's leading manufacturers of heating and renewable energy systems. Family-owned since 1917, Dr. Martin Viessmann leads the company in its third generation. The group today employs over 9,600 employees worldwide and has a turnover of approx. 2.4 billion USD. 24 manufacturing facilities in 11 countries, sales & distribution facilities in Germany and 74 other countries, and 120 sales offices worldwide provide customer proximity and a strong global presence. Exports account for 55% of sales.