| Business | Phone |
| Granicor Inc 300 Rue De Rotterdam, Saint-Augustin-De-Desmaures G3A 1T4 | (418) 878-3530 |
| Granimobil Inc 15 Rue De Rotterdam #3, Saint-Augustin-De-Desmaures G3A 1S8 | (418) 878-4004 |
| Granits Gc Inc 300 Rue De Rotterdam, Saint-Augustin-De-Desmaures G3A 1T4 | (418) 878-5832 |