| ARNAUD | AGATHE | 1944-02 | Partner with Unlimited Liability |
| BRUYERE | AGNES | 1971-01 | Partner with Unlimited Liability |
| DE VERTEUIL | HENRI | 1960-07 | Manager |
| DE VERTEUIL | HENRI | 1960-07 | Partner with Unlimited Liability |
| JOPHA | PATRICK | 1969-02 | Partner with Unlimited Liability |
| LAFAGES | GUY | 1960-01 | Partner with Unlimited Liability |
| LAFAGES | GUY | 1960-01 | Manager |
| STANISLAS | TONY | 1970-01 | Partner with Unlimited Liability |
| STANISLAS-ANSSONIA | ANNE-FRANCE | 1984-03 | Partner with Unlimited Liability |
| ZIRCON | PAQUERETTE | 1955-04 | Manager |
| ZIRCON | PAQUERETTE | 1955-04 | Partner with Unlimited Liability |