Our locations
Five complementary industrial sites in France and Morocco ensuring performance, industrial control and production continuity.
Complementarity and synergies at the core of our multi-site organization
With operations in France and Morocco, we leverage the expertise of our industrial sites to deliver a comprehensive offering covering the entire value chaine – from design ti manufacturing and system integration
Each site develops specific capabilities – design, PCB assembly (PCBA), wiring, assembly, testing and after-sales support – which, when combiend, strenghten our aibility to support every project
This geographic footprint structures our organization and enables us to ensure agility, industrial synergies and production continuity.



Renazé site
High-reliability electronic products
Located in Mayenne (53), the Renazé site specialize in the manufacturing of electronic boards and wired subassemblies in small and medium production runs. With over 40 years of experience, it supports major players in aerospace, defense, energy and industry.
Specializing in harsh environments (humidity, altitude, vibrations…) the site meets the most stringent requiremens in terms of quality, reliability and traceability. It contributes the production of electornic equipment for sensitive sectors and critical infrastructures.
Founded in 1982
350 employees
9000 m2 of industrial facilities
Certifications : ISO 9001, EN 9100, Nadcap
Eu site
High-tech engineering and electronic manufacturing
Located in Normandy, the Eu site is the Group’s center of excellence for high-tech electronic engneering and manufacturing. Innovative products are designed and industrialized here, supported by a specialized engineering office covering electronics (hardware, software, RF/microwave) and mechanical design, as well as the test bench development.
Equipped with dedicated facilities – including an optical room, analysis laboratory and mechanical workshop workshop – the site supports the most demanding projects in defense, televommunications, energy and medical sectors. It’s also the tome to the Tech-up Corner, the group’s industrial accelerator for innovative startups
Founded in 1966
260 employees
17 000 m2 of industrial facilities
Certifications : ISO 9001, EN 9100, ISO 13485






Cossé-le-Vivien site
Wiring and electronic assemblies
Located in Mayenne, the Cosse(le Vivien site specilizes in wiring assemblies, cables, harnesses and integrated subassemblies. It delivers high-reliability production for aerospace, defense, energy, medical and industrial applications.
With over 40 years of expertise, the site also play a key role in skills development. It hosts the Tech-up Academy, the Group’s training center, offering certified program in electronics (cable assembly certifications, professional qualifications, IPC certifications…)
Founded in 1978
30 employees
2500 m2 of industrial facilities
Certifications : ISO 9001, Qualiopi
Valence site
Full integration of electronic systems
Integrated into Selha Group in May 2025, the Valence site (26) specializes in the full integration of complex electronic products and sytems. It covers the entire value chaine – from PCB prodction to ginished products, including assembly, wiring and testing.
With modular integration lines organized by project the sites delivers flexibility and precisio to meet the specific requirements of industrial, medical and energy markets.
Founded in 1984
120 employees
8400 m2 of industrial facilities
Certifications : ISO 9001, EN 9100, Nadcap






Casablanca site
Serial electronic manufacturing
Located in Casablanca, Morocco since 2022, the site specializes in the manufacturing, integration and testing of electronic boards and subassemblies. It primarly supports customers in civil aersopace, telecommunications, medical and industrial sectors.
Focused on high-volume production of already industrialized products, the site delivers competitive manufacturing solutions combining industrial control, quality and cost optimization. It serves as the Group’s industrial hub in North Africa, close to locally established customers.
Founded in 2002
350 employees
6000 m2 of industrial facilities
Certifications : ISO 9001, EN 9100, Nadcap