History

1888 founding of C. Deilmann, Bergbau-Unternehmung, Dortmund
1944 renaming in C. Deilmann Bergbau GmbH
1968 merger of the mining departments of C. Deilmann Bergbau GmbH and Haniel & Lueg GmbH and founding of the new company Deilmann-Haniel GmbH
1997 separation of the engineering and steel construction section of Deilmann-Haniel GmbH and founding of Deilmann-Haniel Maschinen- und Stahlbau GmbH
2004 renaming of Deilmann-Haniel Maschinen- und Stahlbau GmbH in Deilmann-Haniel Mining Systems GmbH
2006 integration of Deilmann-Haniel Mining Systems GmbH in the newly formed Deilmann-Haniel Mining and Tunneling GmbH (DHI), acquisition of 51 % of DHI shares by ATON GmbH
2007 acquisition of 100% of DHI shares and with it also of Deilmann-Haniel Mining Systems GmbH by ATON GmbH
Founder Carl Deilmann (1866 - 1936)
Deilmann (1953)
old administration building (modernised)
new administration building
Deilmann-Haniel Mining Systems (today)