| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| COSTE | VALENTINE | 1924-02 | Manager |
| COSTE | MARIE-CHRISTINE | 1964-10 | Manager |
| COSTE | BEATRICE | 1927-01 | |
| COSTE | ANNE | 1970-05 | |
| SCHLUMBERGER | NICOLAS | 1948-12 | |
| Schlumberger | MARTIN | 1950-05 | |
| SCHLUMBERGER | HENRI | 1952-06 | |
| SCHLUMBERGER | GUILLAUME | 1959-01 |