| Nom | Prénom | Mandat | Power |
|---|---|---|---|
| CHEVALLIER | GILBERT | 1921-06 | Director |
| COCHER | HUBERT | 1928-01 | Chairman of the Board of Directors |
| CRESTEY | JEAN | 1924-12 | Director |
| GAUCHE | GERARD | 1922-05 | Director |
| SOCIETE SEPROMEC GRANDIN | GUSTAVE | ||
| MESSER | JEAN | 1922-09 | Director |
| NOEL-PAYER | ESTELLE | 1921-09 | Statutory Auditor |
| SIMONET | ROBERT | 1924-11 | Director |
| VINCENS | LUCIEN | 1924-01 | Director |