Site de Saint Jean Industries SAS


A family group

Site de Saint Jean Industries SAS

Saint Jean Industries is an innovative family-owned company with a worldwide presence, specializing in the engineering and manufacturing of aluminum, cast iron and steel components and subassemblies for the transportation and energy markets.

Our mobility solutions

Decarbonation, autonomy, lightening...

We are aware of today’s major environmental issues and the challenges they represent for the automotive sector, and more broadly for mobility. We bring you solutions for the vehicles of tomorrow in each of our divisions.

They trust us

Automotive / Energies

We work with a wide variety of sectors from mobility to energy, it is as a provider of integrated solutions that we are recognized.

Ressources humaines SJI

Industries & energies

For a better life in the long run

We believe that industry projects make life better in the long term. And we bring you the technical solutions you need to make it happen.

Integrator of Technologies

Foundry, forge, TTH, machining, assembly...

From raw aluminum or steel parts to the assembly of complex systems, we are able to offer you all the technologies that are most relevant to your project.

Plan de la chaine pour la fabrication d'une pièce à SJI

Engineering, prototyping, bench testing...

Our engineering is able to accompany you in all the development phases of your projects, until the validation of the whole in a real environment.

Innovative solutions

We innovate every day for a better world

Innovation SJI

It is one of the major axes of the Saint Jean Industries group: innovation. That it is to improve the effectiveness of our manufacturing processes or to bring you new solutions more powerful. 

Innovation SJI

Our news

Here are the latest news from Saint Jean Industries. You can follow us on social networks.