| Business | Phone |
| Anex Home Products Rr 1 Stn Main, Markham L3P 3J3 | (905) 472-9752 |
| J Adams Overhead Garage Doors 7310 Woodbine Ave #1b, Markham L3R 1A4 | (416) 293-9187 |
| Ostaco 2000 Windoors Inc 5990 14th Ave, Markham L3S 4M4 | (905) 201-7885 |
| Regal Door & Trim Canada 120 Shields Crt, Markham L3R 9T5 | (905) 490-8676 |
| Regent Door & Window 120 Shields Crt, Markham L3R 9T5 | (905) 470-8866 |
| Torwin Industries Ltd 2651 John St, Markham L3R 2W5 | (905) 477-4122 |
| C J Rush 65 Riviera Dr, Markham L3R 5J6 | (905) 944-8005 |
| Door Doctor test 2600 John St #128, Markham L3R 3W3 | (905) 470-2600 |
| Fieldstone Windows Ltd 8985 Woodbine Avenue, Markham L3R 0J9 | (905) 470-0599 |