1921 - 1930
Foundation of the Gräbener & Comp.
In 1921, Theodor Gräbener, together with eight other shareholders, founded the company Gräbener & Comp. located in Netphen-Werthenbach, a company for heavy iron and steel plate constructions. In the middle of the 20ies, the company already had 150 employees. The basis for the success: a wide product range, for instance pipes of all types for blast furnaces and steel works.