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Facade of Thermi-Picardie plant

Thermi-Picardie

For over 30 years, THERMI-PICARDIE, a unit of the Thermi Lyon Group, has excelled in the field of heat treatment, meeting the specific needs of the mechanical engineering industries in the Ile-de-France and Hauts-de-France regions, while also being the Group's first company outside the Rhône-Alpes region.

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A multi-processing site for mechanical engineering

Established in Picardy since 1994, THERMI-PICARDIE is based in Saint Maximin, near Creil, and stands out for its initial specialization in tool treatment.

Operating in a diverse market that encompasses the automotive, aerospace, construction, and tooling sectors, the plant has adapted and grown to become a multi-process facility. This site is ISO certified for the quality and reliability of its processes and has modern facilities that promote efficient production flow management.

The THERMI-PICARDIE site is also qualified forthe aerospace industry thanks to its EN 9100 certification and NADCAP Heat Treating accreditation. As a recognized player in the field of heat treatment for this sector, we are part of the ASTech aerospace cluster.

Address: ZAET Les Haies 572 rue de Galilée 60740 ST MAXIMIN CREIL

1994

Creation date

2008

Date of first certification

a complete heat treatment offer

THERMI-PICARDIE is renowned for its ability to provide a complete range of heat treatment solutions, including vacuum quenching, gas and ion nitriding, and state-of-the-art controlled atmosphere technologies.

With two separate halls, one dedicated to atmosphere treatment and the other to vacuum treatment, the site offers a complete range of services for mass-produced parts and precision tooling.

This unique positioning enables THERMI-PICARDIE to respond quickly and efficiently to the diverse quality, performance and environmental requirements of its industrial customers.

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Vacuum furnace with parts inside at Thermi-Picardie

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Site contacts

Laurent FLORION
Site Manager
06 69 91 56 39
Laurent FLORION's LinkedIn account
David BOLLAERT
Sales engineer
06 99 42 25 89
David BOLLAERT's LinkedIn profile

    Our certifications

    EN 9100

    EN 9100 certification guarantees the quality management system requirements of the ISO 9001 series, and specifies additional definitions and notes for the aerospace and defense industry.

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    NADCAP Heat Treating
    logo nadcap heat treating

    NADCAP is an accreditation program for aerospace and defense subcontractors, designed to ensure the quality and reliability of products and services. This accreditation focuses on the special processes employed in the manufacture, testing and maintenance of components and systems used in these industries. Within the THERMILYON Group, NADCAP applies only to the special heat treatment process.

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    ISO 9001

    The ISO 9001 standard, widely recognized throughout the world, helps organizations improve their performance by meeting quality management system requirements and demonstrating a commitment to customer satisfaction.

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    Our latest news

    Find out all the latest news from the Thermi-Lyon Group.

    What are the implications of certifications for heat treatment in the aerospace industry?
    In the aerospace industry, every component must meet extreme standards for safety, performance, and reliability. Heat treatment plays a central role in achieving the desired mechanical properties, but it cannot be carried out without a strict framework for control and validation. This is where certifications and […] come into play.
    March 26, 2026
    What are the implications of certifications for heat treatment in the aerospace industry?
    Vacuum Deposition and Heat Treatment: Toward Ever More Effective Solutions?
    In an industrial landscape characterized by ever-increasing demands for reliability, durability, and performance, manufacturers are seeking solutions capable of optimizing the performance of their mechanical components. Heat treatment and vacuum coating have emerged as key technological solutions for addressing these challenges. Whether the goal is to increase […]
    May 7, 2026
    Vacuum Deposition and Heat Treatment: Toward Ever More Effective Solutions?
    stainless steel components requiring appropriate heat treatment
    What heat treatments are used for stainless steel components?
    Stainless steels are a family of materials that are essential in a wide range of industrial sectors, including medical, aerospace, automotive, tools, energy, and electronics. Their properties make them indispensable for critical components. However, even a material as high-performance as stainless steel requires considerable expertise to achieve its optimal performance. This is where treatments come in.
    March 2, 2026
    What heat treatments are used for stainless steel components?
    aerospace mechanical workshop in the Paris region
    Heat treatment in Île-de-France, a key driver for the performance of aerospace industry players
    With the presence of manufacturers, engine builders, equipment suppliers, and maintenance centers, the Île-de-France region occupies a strategic position in the European aerospace industry. In this environment, where every component must guarantee absolute safety, mastery of heat treatment in Île-de-France has become an essential factor in performance. Metal parts designed to fly, withstand [...]
    February 23, 2026
    Heat treatment in Île-de-France, a key driver for the performance of aerospace industry players
    How does vacuum deposition improve resistance to friction and wear?
    In many industrial sectors, component wear remains one of the main causes of reduced performance, premature failure, and additional maintenance costs. Faced with these constraints, the use of vacuum coatings has emerged as a leading technological solution for improving the durability of parts subjected to repeated friction. Thanks to […]
    February 2, 2026
    How does vacuum deposition improve resistance to friction and wear?
    tray containing medical devices made of steel and heat treated
    The role of heat treatment in extending the service life of medical components
    In the medical sector, every instrument, implant, or assembly component must guarantee an impeccable level of reliability. Parts are subjected to demanding conditions: constant contact with the human body, exposure to chemical agents, repeated mechanical stress, and intensive sterilization cycles. To ensure consistent performance over time, it is […]
    January 21, 2026
    The role of heat treatment in extending the service life of medical components

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