1952
Foundation of the "Deutsche Metalock" in Hamburg.
1970
Renamed "Gränges Metalock GmbH".
1990
Foundation of the "Gränges Metalock Halle GmbH" in Halle.
1995
Renamed "Metalock Industrie Service GmbH" & renamed "Metalock Industrie Service Halle GmbH".
2006
Acquisition of the mobile processing division of MobileCut.
2011
Renamed "Metalock Engineering Germany GmbH" & renamed "Metalock Engineering Halle GmbH".