1954 Establishment of KLEiN Umformtechnik's predecessor company, Alfred Klein Blechverformung.

1984 Establishment of in-house tool-making department

1998 Establishment of Klein Gmbh & Co. KG Umformtechnik Sachsen in Ottendorf-Okrilla

2001 Establishment of esb Klein Umformtechnik GmbH & Co. KG in Ottendorf-Okrilla