| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| DERUELLE | JACQUES | 1930-12 | Manager |
| DERUELLE | FRANCOIS | 1955-04 | Partner with Unlimited Liability |
| DERUELLE | CATHERINE | 1962-08 | Partner with Unlimited Liability |
| DERUELLE | BERTRAND | 1958-10 | Partner with Unlimited Liability |
| HEIMBURGER | BRIGITTE | 1956-10 | Partner with Unlimited Liability |