| Business | Phone |
| Construction Gm 581 De La Grande Riviere S Ch, Yamachiche G0X 3L0 | (819) 296-2695 |
| Construction Serge Lamy Inc 621 Boul Trudel, Yamachiche G0X 3L0 | (819) 296-3067 |
| Constructions Claude Ferron 80 Jean Baptiste Gelineault, Yamachiche G0X 3L0 | (819) 296-2279 |