| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| DE LAUZAINGHEIN | HENRI | 1939-03 | Manager |
| DE LAUZAINGHEIN | ANNE | 1970-03 | Partner with Unlimited Liability |
| LAHEURTE | MARTINE | 1945-10 | Manager |
| MAISION-DE LAUZAINGHEIN | SOPHIE | 1999-11 | Partner with Unlimited Liability |
| MAISON-DE LAUZAINGHEIN | PAUL | 2004-07 | Partner with Unlimited Liability |