Issuer ? LE BLAN ET Cie
| Siège social |
| Bourse du commerce - Lille (France , Nord ) appearing in yearbooks from 1924 to 1924 |
| Rue faidherbe, 13 - Lille (France , Nord ) appearing in yearbooks from 1927 to 1945 |
| Avenue de bretagne, 165 - Lille (France , Nord ) appearing in yearbooks from 1948 to 1953 |
| Usines |
| - Lille (France , Nord ) appearing in yearbooks from 1940 to 1940 |
| - Mantes-la-Jolie (France , Yvelines ) appearing in yearbooks from 1940 to 1940 |