& experience

  • 1994 Founding of LCSI LCSI was founded in the Paris region under the name of LC Support Industriel. The company was created by Mr Robert Le Chatelier who lent his initials to the company's business name.
  • 2010 LCSI arrived in Lyon LCSI expanded and, to accompany its development, opened its agency in Lyon.
  • 2014 Takeover and change of head office When the manager and founder Mr Le Chatelier retired, the company was taken over by 2 of its employees: Guillaume PETILLOT and Noël PETITGENET. The head office of the company was then transferred to Lyon.

Our values

Team of engineers working together on project


Our credo: reply to your requests as quickly as possible.
Close to the field, we maintain a relationship of trust with our customers by regular visits.

Tuned into your needs

Our priority: best possible understanding of your expectations.
We will invest ourselves fully in the understanding of your specialities and your documentation problems.



Our philosophy: establish productive working relations.
With you, we will elaborate the best formula for fixed price services or technical assistance.

  • Independently from our agencies
    For full delegation of your document production process, our collaborators will work for you from our agencies and visit you whenever required to collect the information needed for the accomplishment of your projects.
  • Embedded in your premises
    Our collaborators will be an integral part of your teams and accompany you with your daily projects.


Our know-how: experience built year after year working alongside our customers.
Our technical competences and our vision of your documentation projects from the outside guarantee a clear understanding of your products.

Fields of expertise

Working in varied fields, our services are designed both for industrial manufacturers and manufacturers of products intended for the general public.

  • ferroviaire Transport / Railway
  • medical Medical equipment
  • machine_spe Special machines
  • equipements General public equipment
  • billetique Ticketing / E-money
  • labo Laboratory equipment
  • machine_outil Machine tools
  • logiciels Software