Ziehl-Abegg, Inc is the North American subsidiary of Ziehl-Abegg SE based in Kunzelsau, Germany. It is headquartered in Winston-Salem, NC. With additional offices throughout the US, one in Mexico and three in Canada. Ziehl-Abegg is one of the leading global companies in the field of ventilation, control and drive technology. In the 1950s, Ziehl-Abegg established the basis for modern fan drives: external rotor motors which even today are still seen as state-of-the-art worldwide. Emil Ziehl founded the company in 1910 as a manufacturer of electric motors. It remains a family-owned business.