HEF Groupe

About HEF Groupe

HEF Group is a world leader in surface materials engineering, specializing in tribology and photonics to support societal and lifestyle changes. Based in Saint Etienne, France, with 80% of its activity international, HEF Group employs a vertically integrated model from R&D to industrialization. The group is at the forefront of innovation and disruptive technologies, serving the mobility, construction, new energy, defense, and medical sectors. With two-thirds of its capital held by employees, HEF Group is a pioneer in social innovation, committed to rational growth. The group actively works to preserve the environment through decarbonization in mobility and new energies, as well as transforming its production tools. HEF currently operates with 4 divisions: IREIS (R&D), HEF Durferrit, Techniques Surfaces, and HEF PHOTONICS, with 90 industrial sites across 21 countries, employing 3,200 people and holding 200 patents since its inception.