| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| GEISSER | ROLAND | 1950-06 | Partner with Unlimited Liability |
| GEISSER | BRIGITTE | 1954-07 | Partner with Unlimited Liability |
| GEISSER | ASTRIDE | 1961-03 | Partner with Unlimited Liability |
| LANG | CLAUDE | 1947-09 | Manager and Shareholder with Unlimited Liability |