The Ebert HERA Esser Group places the highest demands on quality and safety in all corporate divisions. These values are laid down centrally in our corporate principles. The entire group is subject to a management system for quality, occupational safety and environmental protection. The Ebert HERA Esser Group and its companies are certified in accordance with DIN EN ISO 9001, SCC and ISO 14001 among others.


  • SCCp (SCC for petrochemistry)
  • Steel construction EN 1090-2:2008 (formerly DIN 1880-7:2002-09 Class D)
  • Pressurised vessels AD 2000 HP0
  • WHG § 19 I (Wasserhaushaltsgesetz – Federal Water Act), also for explosive areas
  • DIN EN ISO 3834-2
  • DGRL 97/23/EEC Module A/A1 and G
  • CE-mark
  • KTA-1401 Licence for nuclear energy
  • DVGW licence (Group G2 and W3)


Other certificates

Manufacturer’s qualification for welding steel structures in accordance with EN-1090

Nuclear power plant certification KTA 1401

Assignment of material identification