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Protecno is a company in the electronics industry specialising in the manufacture of printed circuit boards. Protecno, created in 1972 by Lucien Traon in Brest, meets the needs of PCB (Printed Circuit Board) manufacturing in various industries such as:

  • defence
  • aeronautics
  • aerospace
  • industry
  • research
  • telecommunications
  • healthcare, etc.

All production is carried out in France at its 5,000m² site in Brest.

Customer satisfaction is at the heart of our commitments. To achieve this, the company regularly makes the necessary investments to improve production yields, ensure the quality and reliability of its printed circuit board products and develop new innovative processes (R&D).

Protecno is proactive in terms of short deadlines and offers its manufacturing & expertise services internationally.


The GTID group (Groupe Traon Industrie Développement) was created in 1992 by Lucien Traon. All the companies in the group, which is made up of SMEs, are in Brittany, in the Finistère region. As experts in electronic and mechanical trades and professions, the group's subsidiaries have gained experience over the years, and are complementary in the industry's markets.

The group consists of four companies:

  • Protecno (printed circuit boards)
  • Elliptika (RF component / 3D printing)
  • Api2m (Precision sheet metal work / Boiler-making / Special automated machines)
  • Te2m (Precision mechanics / Magnetism / Mechanical magnetic systems)