1870
Ca. 1870
Founding of a company for the manufacture of brass fittings for furniture and doors by brothers Gustav and Albert Kuhlmann in Grüne near Iserlohn.
1936
1936
Bankruptcy of the Gustav and Albert Kuhlmann company. Takeover of manufacturing and business premises with a total of 14 employees by Dortmund businessman Erich Dieckmann.
1938
1938
Registration of the brand name "EDI" by Erich Dieckmann Baubeschlagfabrik.
1940
1940
Conversion of production from brass to aluminium alloy due to wartime economy at the beginning of the Second World War.
1945
1945
Resumption of production, now only door and window fittings as well as handles and coat racks made of aluminium.
1950
1950
First structural enlargements of the production facility and offices.
1952
1952
First exhibition stand at the Cologne Housewares and Hardware Fair
1954
1954
Founding of the sister company "NORMBAU Erich Dieckmann GmbH" based in Kehl (later Renchen) by Erich Dieckmann and his son Dieter Dieckmann. (This company was sold in 1991 by Dieter Dieckmann to the British company "Newman Tonks" – now "Allegion").
1960
since 1960
Increasing internationalisation
1968
1968
Son Rudolf Dieckmann joins the company as second managing director and replaces founder Erich Dieckmann as managing director in 1972.
1972
from 1972
Successful development of new product ranges for supply to DIY and home improvement stores.
1972
edi launches the first burglar-proof fittings on the market.
1982
1982
Construction of Plant II, also in Iserlohn/Grüne.
1982
Shareholding in the French company “FFA-Le Fer Forge d’Alsace”.
1994
1994
Rainer Dieckmann joins the company and takes over as managing director following Rudolf Dieckmann's departure in 1996.
1995
since 1995
1995 As part of the new corporate strategy, the company returns to its core competence and focuses on expanding its range of fittings. Other product areas are discontinued or sold.
1997
1997
Sale of the FFA shareholding in France due to the new strategic orientation.
2003
2003
Acquisition of MAWEX GmbH in Neustadt/Hessen. Production will be relocated to Iserlohn in 2012.
2005
2005 U. 2015
Further production halls are being built at the Grüne site.
2015
2015
edi introduces a completely newly developed range of commercial fittings for doors with "RLT" connection technology.
2015 - 2022
A wide range of door fittings and window handles from the product range are tested and certified in accordance with German, European and international standards.
2020
2020
ISO 9001 certification
2022
2022
Construction of an additional production hall and new office space at Plant 2.
2023
2023/2024
As part of an extensive environmental and energy programme, a 700 m² photovoltaic system is being installed, among other things.