| STREGO | | | |
| AUDICO | | | |
| FAYEMENDY | DIDIER | 1954-09 | Member of the Supervisory Board |
| HAUTIER | THIERRY | 1957-04 | Chairman of the Supervisory Board |
| HAUTIER | PIERRE-MARIE | 1983-10 | Chairman of an SAS |
| HAUTIER | GUILLAUME | 1982-07 | Member of the Supervisory Board |
| HAUTIER | ALICE | 1987-12 | Member of the Supervisory Board |