| BETRON | NORBERT | 1948-01 | Partner with Unlimited Liability |
| BETRON | ANASTASIE | 1992-09 | Partner with Unlimited Liability |
| BUROLLET | PIERRE-MICHEL | 1949-02 | Partner with Unlimited Liability |
| BUROLLET | MARIE- | 1950-03 | Liquidator |
| BUSCH | THOMAS | 1950-11 | Partner with Unlimited Liability |
| FURET | FREDERIC | 1952-02 | Partner with Unlimited Liability |
| GANZONI | PHILIPPE | 1952-11 | Partner with Unlimited Liability |
| LUTHRINGER | EMMANUEL | 1956-11 | Partner with Unlimited Liability |
| SCHMID | MARTINA | 1956-08 | Partner with Unlimited Liability |
| TAMINI | BLANDINE | 1952-07 | Partner with Unlimited Liability |
| WINDHAB | BRIGITTA | 1955-06 | Partner with Unlimited Liability |