First generation: Company founded by Jakob Dieffenbacher, master fitter.
 Manufacture of presses for fruit, vine and cooking oil.

 Second generation: Development of the first hydraulic press for Bakelite parts
 by Friedrich and Wilhelm Dieffenbacher. First activities in the plastics industry.

 Third generation: Construction of the first out of more than one thousand particle
 board and veneering presses delivered by Albert and Gerhard Dieffenbacher.

 Wolf-Gerd Dieffenbacher, President of the Dieffenbacher Group, enters the job.

 Establishment of Dieffenbacher North America Inc. in Windsor, Ontario, Canada.

 Foundation of a subsidiary in Brno, Czech Republic (DCZ).

 Establishment of subsidiaries in the US and Asia (DIA, DAP).

 Acquisition of tooling manufacturer Karle+Jung located in Durmersheim.

 Acquisition of division "Panel Production Systems" from Carl Schenck AG, Darmstadt.

 Acquisition of CTA a manufacturer for automation systems located in Hamburg.

 Acquisition of ASA, manufacturer of automation systems located in Jöhlingen,
 Walzbachtal.
 Establishment of a subsidiary in Moscow, Russia.

 Foundation of the subsidiary SCHENKMANN-PIEL-Engineering GmbH, Leverkusen.

 Relocation of press automation to Eppingen.

 Construction of a production plant in China.

 Formation of Dieffenbacher Panelboard OY Nastola, Finland.
 Formation of Dieffenbacher Sunds MDF Technologies AB Sundsvall, Sweden.