Entrepreneurial and industrial dynamics are in our DNA. With more than 70 years of history, DEMGY has always been able to renew itself to meet the ever-stronger demands of the international industrial market.

  • April 2024

    Launch of Press&Make, a unique thermocompression technology for making shoes in a single step, with zero waste and adaptable to all shapes and textures.

  • September 2023

    DEMGY acquires EIS Aircraft GmbH, a leading German manufacturer of components for the aerospace industry, which becomes DEMGY EIS GmbH.


  • December 2021

    SPN LocauxAcquisition of SPN (Société des Plastiques Nobles) in La Courneuve which becomes DEMGY SPN.

  • June 2021

    Logo DEMGY

    Dedienne Multiplasturgy Group becomes DEMGY. This new name, born from our new TOGETHER strategy, translates a new impetus through which our transformation strategy focuses on our customers, industry 4.0 and Corporate Social Responsibility in order to aim for profitable growth over the long term.

  • January 2021

    DEMGY Normandy and DEMGY Făgăraș go digital. A new production control system implemented in January 2021 and soon available in our others sites. This system allows us to automate the production follow-up, to eliminate the manual data entry and the use of paper at the workstation, a considerable saving of time.

    Partnership with Siemens, Fealinx, Arburg and Actii

  • February 2020

    Inauguration of the Atelier Dedienne 3D for additive production-oriented manufacturing in mass production. Indeed, we strenghten our industry 4.0 spirit thanks to The Atelier DEMGY 3D that makes possible the complex parts in volumes production in record time and in high-performance materials.

  • February 2020


    Acquisition of CTS Romania in DEVA which becomes DEMGY DEVA.

  • April 2019

    Dedienne Multiplasturgy® Group shows its ambition in the industry 4.0.

  • October 2017

    Octobre 2017

    Dedienne Multiplasturgy® Group acquires CG. TEC injection, specialist in very high precision plastic injection.

  • December 2015

    Décembre 2015

    Acquisition of METPlastics in Chicago (USA) which becomes Met2Plastic.

  • December 2013

    Inauguration of the Dedienne campus in Saint-Aubin-sur-Gaillon (27), an ultra-modern site built in the logic of the Company of the future. It brings together under one roof both the Group Holding but also, under the name of Dedienne Multiplasturgy®, the 4 ex Norman entities: Dedienne Moulding, Dedienne Machining, Dedienne Composites and Dedienne Coating.

  • January 2008

    Janvier 2008

    Creation of the unique concept Multiplasturgy®

  • July 2005

    Purchase and takeover of MECA-Teno SA to create Dedienne automotive.

  • October 2004

    The Volot family, who first took control of Dedienne in 1986, sold the company through a MBO guided by Pierre-Jean Leduc and a team of executives assisted by a pool of financial investors.
    Creation of Dedienne Plasturgie SAS that will become a few years laterDedienne Multiplasturgy® group SAS.

  • June 2004

    Juin 2004

    Creation of Dedienne Roumanie based in Fagaras in Transylvania

  • 2000

  • April 1991

    Jean-Claude Volot

    Pierre-Jean Leduc joins Jean-Claude Volot.

  • July 1973


    Jean-Claude Volot, Roland Dedienne nephew, integrates Dedienne and creates some time after a subsidiary in Normandy precisely in Andelys (27): AMPA (Atelier Mecano-plastic of Andelys) specialised in machining, low pressure moulding, sheet metal and Thermoforming of plastics.

  • January 1947

    Roland Dedienne

    Creation of the Dedienne workshop by Roland Dedienne in Clamart (92), specialised in precision mechanics on plastics.