Horst and Frank Keller maintain overall responsibility for the Keller Group, consisting of the parent company in Kirchheim unter Teck near Stuttgart, and the three subsidiaries in Switzerland, the United States of America and the Republic of China. The same quality and service standards worldwide are ensured by coordinating company policy and strategies between the parent company and on-site management.
Entrepreneurial thinking and actions characterize Keller's company culture. Executives not only contribute to Keller Lufttechnik's short-term commercial goals but also strive successfully for long-term future positioning in its market.
Keller works daily to continuously enhance its existing services and product offerings across all of its locations, as well as in the development of new innovative solutions for its customer applications.