| Business | Phone |
| Irc Building Sciences Grp 2624 Dunwin Dr, Mississauga L5L 3T5 | (905) 607-6914 |
| Peter Rohmann Assoc Inc 5739 Prairie Cir, Mississauga L5N 6B5 | (905) 824-7449 |
| Premier /Levaque Inc 2410 Meadowpine Blvd #101, Mississauga L5N 6S2 | (905) 819-1600 |
| Thermaco Engineering Svc Ltd 438 Gibraltar Dr #1, Mississauga L5T 2P2 | (905) 565-0650 |