1991, creation of ONECTRA

1997, first decisive contracts obtained:

• Decommissioning studies for ISPRA 1 and ESSOR reactors in Italy
• Contractor assistance for de-nuclearisation of the CEA site in Grenoble 1998

2000, creation of Engineering activity

2001, ONECTRA offers its services to conventional industry by creating its Environment Department and builds a CEPI (Classified Environmental Preservation Installation) specialised in cleaning and chemical decontamination

2004, close to 9 m€ turnover in decontamination and decommissioning out of a total turnover of 13.8 m€

2006:

• Significant order obtained in general engineering for over 15 m€ (PEGASE/CEA Cadarache Project)
• Acquisition of SPIRAL INGENIERIE, specialised in electrical and climate engineering, nuclear ventilation, automatic fire detection, fire protection, nuclear safety and security