| Jean Bourgon - Architect | Manufacturer of the reinforced concrete building. |
| Jacques Grüber - Glass painter | Author of stained glass windows. |
| Jean Prouvé - Ferronnier and designer | Creator of the staircase ramp. |
| Émile Bachelet - Sculptor | Author of the hall bas-reliefs. |
| Raymond Subes - Ironworks | Collaborator for the lock shop. |