France & International Contracting
The France & International Contracting division combines technical expertise, industrial know-how and the management of complex projects to design and deliver tailor-made solutions, from engineering to maintenance, supporting industrial infrastructure and critical equipment in France and internationally.
France Contracting
Through high value-added project management, we operate from design through to commissioning. Our work as a turnkey systems [...]
- Monteiro
- DB POWER
International Contracting
Drawing on recognised expertise in managing complex projects, the CONTRACTING INTERNATIONAL division Groupe M offers a [...]
- Monteiro
- ECCR
- LAKERS
New Nuclear
The New Nuclear division leverages the Group M’s industrial expertise across the entire value chain, from engineering and manufacturing to installation and maintenance, supporting the development of new nuclear technologies, particularly SMRs and AMRs.
New Nuclear, SMR, AMR
Groupe M supports the development of the new generation of nuclear facilities by offering dedicated solutions for Small Modular [...]
- Monteiro
Naval, Defence & Industries
The Naval, Defence & Industries division brings together Groupe M’s expertise in industrial piping, metal fabrication, welding, shipbuilding, industrial electronics and maintenance, supporting its clients throughout every stage of their projects, from design to commissioning, across France.
Boilermaking fabrication for the defence, energy and industrial sectors
Within its Naval, Defence & Industries division, Groupe M operates fabrication workshops and field resources through its [...]
- Efinor
- CTI
Construction & Boilermaking Fabrication
The Construction & Boilermaking Fabrication division designs, manufactures, installs and repairs high-value boilermaking and pressure equipment, also for complex environments.
Storage industry projects & maintenance
Groupe M designs, manufactures, installs and repairs high-value boilermaking equipment and pressure equipment such as heat [...]
- SECOMOC
- MATEN ÉQUIPEMENTS
Mechanical Engineering and Valves
The Mechanical & Valves division provides turnkey mechanical, machining and valve services, from design through the installation of complex equipments or parts, for industrial projects and the most demanding sectors.
Machining
Within Groupe M, machining is a strategic pillar of our industrial value chain. With dedicated workshops equipped with [...]
- Chaussy
On-site and workshop maintenance
Combining workshop and on-site work, our approach reflects our ambition: to provide our customers with robust, innovative [...]
- Chaussy
- Alliages
Special-Purpose Machinery
At Groupe M, we put our expertise to work on demanding projects, integrating advanced technologies and innovative processes.
- Chaussy
- Efinor
Mechanical installation
Our expertise in mechanical engineering and valves enables us to design, install and maintain reliable, high-performance and [...]
- Chaussy
Valves
Within Groupe M, industrial valves are far more than a trade : they represent a complete area of expertise, technical rigour [...]
- Chaussy
Vibration analysis and balancing
Within Groupe M, these areas of expertise are provided by Mécavibre, a company specialising in vibration analysis and balancing [...]
- Chaussy
Inspection, Metrology & Technical Assistance
The Inspection, Metrology and Technical Assistance division provides a comprehensive range of services, inspecting our manufactured products and installations, and deploying predictive monitoring solutions for the nuclear and oil and gas sectors.
NDT
Groupe M offers a comprehensive range of non-destructive testing (NDT) services designed to ensure the integrity and compliance [...]
- Nova
Metrology
The Metrology business of the Inspection, Metrology and Technical Assistance division of Groupe M is dedicated to volume [...]
- Maten Métrologie
Technical assistance
The Groupe M Technical Assistance business offers a full range of services dedicated to supporting companies in their industrial [...]
- Nova
Facility Management
The Facility Management division delivers a comprehensive, integrated range of services, drawing on proven expertise in nuclear environments, a responsive and flexible organisation, and close collaboration with all stakeholders across the sector, to ensure logistical efficiency, site safety and operational continuity.
Multi-service cleaning
Within the Facility Management division of Groupe M, Prose FM offers a comprehensive multi-service cleaning solution, designed to [...]
- Prose
Installation of access solutions
With its turnkey and bespoke solutions, Altitude TS has established itself as a key player in the deployment of access solutions, [...]
- Altitude TS
Waste processing
Drawing on its operational experience, qualified teams and quality culture, Prose FM, part of Groupe M, has established itself as [...]
- Prose
Decontamination / Decommissioning
By combining its technical expertise, specialised equipment and ability to operate in sensitive environments, Prose DEM, a Groupe [...]
- Prose
Radiation Protection / Safety Support
Prose, the operational arm of Groupe M's Facility Management division, has established itself as a trusted partner in ensuring [...]
- Prose
Industrial and nuclear logistics
Within Groupe M, the Facility Management division draws on the recognised expertise of Prose LOG, Alliages SA and Alliages [...]
- Prose
- Alliages