| Business | Phone |
| roof-all.com 143 Gerrard St E Suite 201, Toronto M5A 2E3 | (416) 766-3255 |
| Gratton Infrared Services Inc. 180 Leslie St, Toronto M4M 3C7 | (647) 309-1758 |
| Pro Roofing 2 Toronto Street, suite 250, Toronto M5C 2B5 | (416) 622-3312 |
| North Country Slate 8800 Sheppard Ave East, Toronto m1b 5r4 | (416) 724-4666 |