Critical embedded systems

Leroy Automation


Leroy Automation is a family-owned company managed by a French shareholder structure. We favor long-term investment and partnership. Customers, employees and suppliers are at the heart of the company’s development.


Leroy Automation designs, develops and manufactures a broad catalogue of standard products for the railway, energy, defense and industry markets.

We design solutions to meet particular needs by adapting our products, or by designing custom-specific solutions.

economic model

Our business model is industrial with long-term service support: software development, adaptation to specific standards, repair, maintenance in operational condition, technical support, etc.


Leroy Automation designs, manufactures and sells automation products and components for railway, military and industrial applications.

Specialized in embedded rail applications, Leroy Automation offers complete TCMS architectures and turnkey solutions.


The company is positioned on the market as a supplier of products and systems for harsh environments, with a high level of reliability, meeting safety needs.

For 5 years, Leroy Automation has been developing its corporate social responsibility, promoting sustainable development and eco-design approach in order to reduce our environmental footprint.


Leroy Automation manages the complete life-cycle of its products, from feasibility studies and design to after-sales service and active obsolescence management.

For the railway market, the highest criteria are used for product qualification, with safe design margins, ensuring our customers harsh-environment- resistant products.


Member of Cluster Totem

Lero Automation is taking part of Cluster Totem association which is a regional project for a global approach promoting all railway-related applications.

Cluster Totem is a regional cluster of firms involved in the railway industry. The members have built strategic alliances in order to develop innovating product solutions for the rolling stock manufacturers, original equipment manufacturers and infrastructure companies.



​The Occitanie region and the European Union are supporting us in the research and development of innovative products for railway and “energy” application.