| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| EXCO REVIDOM | |||
| EXCO SARC | |||
| DE REYNAL DE SAINT-MICHEL | AMAURY | 1953-11 | Director |
| MARRAUD DES GROTTES | Raymond | 1955-11 | |
| MARRAUD DES GROTTES | PATRICE | 1961-11 | Chairman of the Board of Directors |
| Marraud des Grottes | Olivier | 1976-09 | |
| Reynal de Saint-Michel | Christophe | 1981-04 |