| Business | Phone |
| Lucien Gagnon & Fils Inc 930 Av Tanguay N, Alma G8B 5Y3 | (418) 662-5311 |
| Nordex Enr 200 Rue Des Pins O, Alma G8B 6P9 | (418) 668-0420 |
| Terrassements Lavoie Ltee 2660 Rue Melancon, Alma G8B 5V3 | (418) 668-2468 |
| Terrassement Jocelyn Fortin 2031 Rue Des Urnes, Alma G8B 5V2 | (418) 662-6390 |
| Travaux Mecanises Gg 421 Boul Auger E, Alma G8B 1E9 | (418) 668-0208 |
| Claveau Excavation Enr 5792 Av Cecile-Lemieux, Alma G8E 1C3 | (418) 347-3091 |
| Entreprises Gabriel Potvin 2300 Av Du Pont S, Alma G8B 5V2 | (418) 480-1771 |
| Excavations Grandmont Inc 460 10e Rang, Alma G8B 5V2 | (418) 662-2168 |
| Excavations Noel Voyer Inc 1660 Boul Saint-Jude S, Alma G8B 3L4 | (418) 668-3584 |
| Excavations Gilles Desbiens 2875 Av Du Pont S, Alma G8B 5V2 | (418) 668-4442 |
| Excavations Ghislain Larouche 101 Rue Des Bruyeres, Alma G8E 1J9 | (418) 668-7666 |