GTG is specialized in the manufacture of all types of gears (spur gears, helical gears, straight bevel gears, etc.) and in the manufacture of transmission components in small and medium series. GTG is based in Dottignies in Belgium.

We carry out:

  • Tuning
  • Milling
  • Trimming
  • Rectification
  • Grooving
  • Broaching
  • Heat treatment



GPG is specialized in the manufacture of complex gears and gearboxes for industries meeting EN9100 standards and in small and medium series manufacturing. GPG is based in Chaumontel in the Paris region (France).
We carry out:

  • Turning
  • Milling
  • Trimming
  • Rectification

in other for the aeronautics sector.



GEG is a design office that draws up the manufacturing plans for your projects for perfect production. GEG is primarily based in India.



Take parts of GRIMONPREZ Companies and :

  • Join companies on a human scale where team spirit and mutual aid are an integral part of business
  • Integrate family companies in perpetual development
  • Operate on a fleet of latest generation CNC machines
  • Collaborate with talents in the different divisions of SUB-ALLIANCE, 4 highly qualified industrial divisions specialized in polymer, composite and metal manufacturing and engineering
  • Access jobs opportunities within SUB-ALLIANCE



What we offer


  • Short term and unlimited contracts
  • Full time jobs
  • Work 3 x 8
  • Complete training
  • Attractive salary package based on skills and experience
  • Meal voucher

Do you like precision mechanics and do you want to take parts on new projects?
Are you recognized for your rigor and your sense of detail?
Do you want to work on international projects?

Do you want to join one of the dynamic GRIMONPREZ companies?
Interested? Discover all of our vacancies

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