Establishment of Betonbau Waghäusel - production of prefabricated transformer tower stations
1973
Establishment of Betonbau Bockenem
1979
Establishment of Betonbau Ingolstadt
1990
Establishment of Betonbau Schkeuditz
1993
Establishment of Betonbau Prag
2004
100,000th concrete modular unit
2005
The Betonbau Group has developed further to become a system supplier and commissioned separate expanded electrical facilities at the locations in Waghäusel and Bockenem.
2006
SCHWENK Zement KG acquires shares in the Betonbau Group, these being increased to a majority share of 75% by 01.01.2008.
2008
A new concrete plant is commissioned in Kösching, replacing the old location in Ingolstadt.
2015
SCHWENK Group from Ulm, Germany owns 100 % of Betonbau shares.