| Business | Phone |
| Excavation Benoit Pelchat 939 Rue Des Erables, Saint-Lambert-De-Lauzon G0S 2W0 | (418) 889-9825 |
| Excavations Gervais Duclos Enr 1071 Rue Du Pont, Saint-Lambert-De-Lauzon G0S 2W0 | (418) 889-0505 |
| Excavations Jy Couture Enr 176 Rue Damase-Breton, Saint-Lambert-De-Lauzon G0S 2W0 | (418) 889-9117 |