The parent plant of the Wietersdorf was the company “Wietersdorfer Cementwerke Phil. Knoch & Cie” founded in 1893 by Philipp Knoch together with his brother Gottlieb. Wietersdorf is a place some 35 km north of the provincial capital Klagenfurt, and the cement works was then one of 7 in the province of Carinthia. It was first put into operation on 10th October with a workforce of 21. As early as 1894 there was the construction of three additional Roman kilns
