ArcelorMittal is the world's leading steel and mining company.

Whatever your metallurgical problem, ubert & Duval provides high reliability metallurgical solutions.

Clemessy is one of the European leaders in construction and concessions.

The National Center for Scientific Research is a public research organization (a public scientific and technological institution under the aegis of the Ministry of National Education, Higher Education and Research).

As the world leader in low-carbon energy, the EDF Group brings together all the professions of production, trade and electricity networks.

France's leading independent construction and industrial group and the fourth largest construction group in France, Fayat is also the world leader in compaction equipment

Global Engineering Alliance is one of the major international players in mechanical engineering and plant engineering.

The Moselle department.

Ponticelli is a major player in services to the industry, including petroleum, petrochemicals and energy production.

SNCF is one of the world's leading mobility groups.

Spie is the independent European leader in multi-technology services in the energy and communications industry.