| Business | Phone |
| Germain Daigle Excavation 839 165 Rte, Black Lake G6H 2M2 | (418) 423-4484 |
| Gilles Daigle Excavation 331 Rue Goulet, Black Lake G6H 1S2 | (418) 423-5887 |
| Patrick Pinette Entreprises 562 165 Rte, Black Lake G6H 2M2 | (418) 423-4411 |
| Excavation Marcel Guerard Inc 260 6 Rang, Black Lake G6H 2M2 | (418) 423-4395 |