| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| BLOCK | PIERRE-FRANCOIS | 1966-08 | Manager and Shareholder with Unlimited Liability |
| BLOCK | JULES | 2005-06 | Partner with Unlimited Liability |
| BLOCK | JOSEPHINE | 2003-06 | Partner with Unlimited Liability |
| BLOCK | EUGENIE | 2008-01 | Partner with Unlimited Liability |
| BLOCK | ANATOLE | 2008-01 | Partner with Unlimited Liability |