| Business | Phone |
| Groupe Hba Experts Conseils 2154 Ch De Chambly #200, Longueuil J4J 3Y7 | (450) 651-8365 |
| Iem Inspections & Evaluation 370 Boul Nobert, Longueuil J4J 2Z3 | (450) 677-3330 |
| Rochon Bougie & Assoc 1730 Boul Marie-Victorin, Longueuil J4G 1A5 | (450) 646-7995 |
| Snc-Lavalin Audet 2271 Boul Fernand-Lafontaine, Longueuil J4G 2R7 | (450) 677-1455 |
| Sylvico Inc 195 Rue Saint-Charles O, Longueuil J4H 1C8 | (450) 646-4746 |
| Demers Gobeil Mercier & Assoc 67 Rue Sainte-Elizabeth, Longueuil J4H 1J3 | (450) 646-3973 |
| Foreso Inc 777 Rue Gardenville, Longueuil J4H 2H9 | (450) 646-3113 |