| Business | Phone |
| Laboratoire D'Inspection Couv 6155 Rue Des Tournelles, Quebec G2J 1P7 | (418) 626-5965 |
| Laboratoire D/Inspectoin Lic 6155 Rue Des Tournelles, Quebec G2J 1P7 | (418) 626-8965 |
| Renov Toit 642 Rue Dollard #1, Quebec G1N 1P7 | (418) 657-0810 |
| Construction Harold Rodrigue 8173 Boul Pierre-Bertrand, Quebec G2K 1V9 | (418) 626-7474 |
| Controle Technique-Couvertures 3075 Boul Wilfrid-Hamel #234, Quebec G1P 4C6 | (418) 871-9330 |
| Couvre Toit 30 Boul Rene-Levesque, Quebec | (418) 802-1091 |