| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| BLANC & NEVEUX | |||
| CHAVANEL | MARIUS | 1943-04 | Chairman of the Supervisory Board |
| CHAVANEL | Jules | 1998-12 | |
| CHAVANEL | HUGO | 1996-03 | Member of the Supervisory Board |
| CHAVANEL | FRANCK | 1968-04 | Chairman of an SAS |
| CHAVANEL | ANDRE | 1970-05 | Chief Executive Officer |