| Business | Phone |
| Atelier De Pneus Montmagny 266 Rue Saint-Ignace, Montmagny G5V 1S7 | (418) 248-0202 |
| Bernier, Roger 535 Boul Tache O, Montmagny G5V 3R8 | (418) 248-0963 |
| Canadian Tire 488 Av Saint-David, Montmagny G5V 4P9 | (418) 248-2602 |
| Centre Mecanique Plus Enr 215 Boul Tache O, Montmagny G5V 4P5 | (418) 248-0223 |
| Garage Laurent Chabot 203 Montee De La Riviere-Du-Su, Montmagny G5V 3R9 | (418) 248-5917 |
| Garage Bernard Morin Enr 346 Boul Tache E, Montmagny G5V 1E1 | (418) 248-2272 |
| Garage Laurent Brochu 150 7e Rue, Montmagny G5V 3H5 | (418) 248-5967 |
| Garage Montmagny Auto Freins 54 Rue Saint-Jean-Baptiste O, Montmagny G5V 3B5 | (418) 248-0575 |
| Garage Silencieux Montmagny 250 Boul Tache O, Montmagny G5V 3R8 | (418) 248-0786 |