| Libéral Bruant - Architect | Designed and built the hotel in 1685. |
| Louis Bruant des Carrières - Partner of Liberal Bruant | Participated in the 1683 award. |
| Pierre Savalette - Notary and Associate | Involved in land acquisition. |
| Guillaume François Antoine de l’Hospital - Mathematician and tenant | Busy hotel after 1697. |
| Jean-Rodolphe Perronet - Engineer and tenant | The School of Bridges (1771-1778). |