ZIEHL-ABEGG is one of the leading international companies in the field of ventilation, control and drive technology. In the 1950s, ZIEHL-ABEGG developed the basis for modern fan drives: external rotor motors, which are still seen as state-of-the-art worldwide. Another area of business is electric motors which provide the power for elevators, CT imaging equipment and deep-sea underwater vehicles, among other applications.