ZELISKO was founded in 1918 by Dr. techn. Josef ZELISKO as individual enterprise in Mödling. The technological long-term thinking and the inventiveness of the company's founder formed the basis of the enterprise's success.The main focus was put on own inventions and new product developments made-to customers´ orders. ZELISKO GmbH forms part of the Knorr-Bremse group since 1988.
Until this day, the company is characterized by its innovative power and developments which are perfectly designed for individual requirements of customers. ZELISKO's high quality products have world wide customers in the installation of switchgears, as well as in the energy industry with road and train operators.
In Mödling, where the company was founded, ZELISKO develops, produces and sells traffic management systems, signal systems and instrument transformers. There is an additional branch office for the transducer construction in Berlin.