HEF figures

  • Set up in 1953, 60 years of surface engineering expertise
  • 95% of employees are shareholders, owning 66% of the company's capital
  • Turnover: 172 M€ in 2015
  • 60% of turnover in export
  • 10% of turnover devoted to R&D
  • 1 800 employees
  • 3 entities: IREIS (R&D subsidiaries), Techniques Surfaces (operating subsidiaries) and HEF Durferrit (commercial subsidiaries)


  • 60 Techniques Surfaces custom treatment units in 23 countries
  • More than 6,500 customers worldwide
  • 3 areas of expertise: nitriding, vacuum deposition and bushings.
  • More than 350 Licensees worldwide


  • 4 research centres: France, Germany, India and Canada
  • 60 research engineers in France
  • More than 100 patents filed
  • More than 2,500 studies in all industries
  • 50 simulators and test benches