| | Certifications
|
| | Business Unit | Sites Orano | ISO 9001 | ISO 19443 | ISO 14001 | ISO 45001 | ISO 50001 |
 | Mining | Bessines | X | | X | X | |
| Mining | Mac Clean | | | X | X | |
| Mining | Katco | | | X | X | |
| Mining | Somaïr | | | X | X | |
 | Chimie - Enrichissement | Tricastin | X | | X | X | X(SET) |
| Chemistry - Enrichment | Tricastin Laboratoire étalons d'activité | X | | | | |
| Chemistry - Enrichment | Malvési | X | | X | X | |
 | Recycling | La Hague | X | | X | X | X |
| Recycling | Temis Valognes | X | | X | X | |
| Recycling | Temis St Sauveur | X | | X | X | |
| Recycling | Temis Valognes | X | | X | X | |
| Recycling | Temis Chusclan | X | | X | X | |
| Recycling | Melox | X | | X | X | |
 | Dismantling and Services | Triade - Bollène | X | | X | X | |
| Dismantling and Services | Headquarters & 18 sites | X | | | X | |
| Dismantling and Services | Orano DA | X | | | X | |
| Dismantling and Services | Orano DE Marcoule | X | | | X | |
 | Nuclear Packages and Services | NPS | X | | | X | |
| Nuclear Packages and Services | LMC | X | | X | X | |
 | Projects | Châtillon | X | X | X | X | |
| Projects | Equeurdreville | X | X | X | X | |
| Projects | Bagnols-sur-Cèze | X | X | X | X | |
| Projects | Montigny | X | X | X | X | |
