Facts & figures
| Founded: | 1910 |
| Executive Board: | Peter Fenkl (Chairman), Achim Curd Rägle, Norbert Schuster, Dr. Klaus Weiß |
| Chairman of the Supervisory Board: | Uwe Ziehl |
| Turnover in 2017: | € 540 million |
| Turnover by business area in 2017: | Ventilation systems (87%) drive systems et al. (13%) |
| Share of foreign turnover in 2017: | 78% |
| No. of employees in 2017: | 3,900 |
| Training ratio: | 8% |
| Sales offices: | 108 |
| Production centres: | 16 |
| Product range: | approx. 30,000 items |