| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| HATTENBERGER | PIERRE | 1966-10 | Manager and Shareholder with Unlimited Liability |
| HATTENBERGER | PAUL | 2000-05 | Partner with Unlimited Liability |
| HATTENBERGER | JEANNE | 2005-03 | Partner with Unlimited Liability |
| HATTENBERGER | GREGOIRE | 1997-10 | Partner with Unlimited Liability |