- 1870
Ca. 1870
Formation of a company for manufacturing brass fittings for furniture and doors by the brothers Gustav and Albert Kuhlmann in Grüne near Iserlohn
- 1936
1936
Bankruptcy of the company Gustav und Albert Kuhlmann. Production and premises with a total of 14 employees are taken over by the merchant Erich Dieckmann from Dortmund.
- 1938
1938
Registration of the brand name “EDI” by the company Erich Dieckmann builder’s hardware
- 1940
1940
Conversion of manufacturing from brass to aluminium alloy due to wartime management at the beginning of the Second World War.
- 1945
1945
Restart of manufacturing, from now on only door mountings and window fittings and handles and coat racks from aluminium
- 1950
1950
First building expansions of production and office space.
- 1952
Scroll To Top1952
First trade fair booth at household and iron goods trade fair in Cologne.
- 1954
1954
Formation of the sister company “NORMBAU Erich Dieckmann GmbH” based in Kehl (later Renchen) by Erich Dieckmann and his son Dieter Dieckmann. (In 1991, this company was sold to the British company “Newman Tonks” – now “Ingersol-Rand” – by Dieter Dieckmann.)
- 1960
seit 1960
Increasing internationalisation
- 1968
1968
The son Rudolf Dieckmann joins the company as second managing director and in 1972 replaces the founder Erich Dieckmann as managing director.
- 1972
From 1972
Successful setup of new ranges of products for supplying DIY stores
1972
edi is the first to launch burglary safety shields on the market.
- 1982
1982
Erection of plant II also in Iserlohn/Grüne.
1982
Investment in the French company “FFA-Le Fer Forge d’Alsace” (until 1997).
- 1994
1994
Rainer Dieckmann joins the company and in 1996, after the withdrawal of Rudolf Dieckmann, takes over the management.
- 1995
since 1995
The new company strategy aims at a return to the core competence and focusses at the expansion of the range of the products in fitting/mounting. Other product ranges are abandoned or sold.
- 2003
2003
Purchase of the company MAWEX GmbH in Neustadt/Hessen. In 2012, manufacturing is transferred to Iserlohn.
- 2005
2005 u. 2015
Further production halls are built at the Grüne site.
- 2015
2015
edi launches a completely new developed property fitting range for doors with the connection technology „RLT“.
