With a wealth of recognized experience, Clemessy performs work in all trades, including mechanical, metalworking, electrical, automation and instrumentation packages for industrialists in the sector.

Our offers when it comes to managing and co-ordinating our multiple fields of expertise, both in new construction projects, scheduled shutdowns and maintenance contracts, allow us to offer our customers a tailor-made service while committing to meet deadlines, costs, quality and safety requirements.

Multi-trade industrial maintenance contracts

As a player involved in over 100 long-term contracts, Clemessy handles the long-term industrial maintenance of your facilities. With its expertise in contract initiation and social engineering processes, our teams offer you experienced resources, curative, preventive, conditional and provisional maintenance contracts and operational support from a technical structure and a dedicated co-ordination unit.

Expertise in handling major shutdowns

In order to optimize your industrial performance, our teams handle all the work guaranteeing the safety, the operational reliability and the sustainability of the equipment: erection, mechanical work, machining, industrial high- pressure cleaning, metallurgical works, piping, boiler-making, etc.

Having the required certifications and complying with the regulatory standards, Clemessy is committed to:

  • Enhancing the reliability of equipment
  • Increasing the availability of machines
  • Optimizing maintenance costs
  • Guaranteeing safety on production sites
  • Handling  all areas of maintenance.

Industries of the future

Discover how our experts can assist you in your transformation towards tomorrow’s evolutions. 

Our references
  • Total Raffinage Chimie

    The Clemessy teams carried out piping work as part of the conversion of the La Mède refinery.

  • Adisseo

    Adisseo entrusted Clemessy with a 5-year maintenance contract as part of shutdown work.

  • Arkema

    Arkema awarded Clemessy a maintenance contract for the Saint-Menet plant.

Consult all our job offers

Available to apprentices, to people looking for an internship or a job, and also to Eiffage employees, the Taléo search engine is the best way of finding out about openings available within the Group. “Area of employment”, “Location”, “Organisation”, “Fixed-term contract”, “Open-ended contract”, “Internship”, “Apprenticeship”: just fill in a few criteria to have real-time access to all the professional development opportunities.