Issuer ? SOCIÉTÉ DES TELEPHONES GRAMMONT
| Siège social |
| Rue d'üzès, 10 - Paris (France , Paris ) appearing in yearbooks from 1930 to 1930 |
| Rue cantagrel, 41 - Paris (France , Paris ) appearing in yearbooks from 1940 to 1940 |
| Rue raspail, 11 - Malakoff (France , Paris ) appearing in yearbooks from 1945 to 1953 |
| Usines |
| - Malakoff (France , Paris ) appearing in yearbooks from 1945 to 1945 |