| Business | Phone |
| J H Windows 11274 Highway 48, Markham L3P 3J3 | (905) 642-3358 |
| M & M Glass Creation 7537 Kennedy Rd, Markham L3R 0L8 | (905) 305-0530 |
| Millenium Home Improvements 4300 Steeles Ave E, Markham L3R 0Y5 | (905) 948-9090 |
| Belgreen Building Products 400 Esna Park Dr, Markham L3R 3K2 | (905) 474-1541 |
| Vinylstar Windows & Doors 2800 John St #18, Markham L3R 0E2 | (905) 475-1357 |
| Winford Windows Inc 80 Esna Park Dr #13, Markham L3R 2R6 | (905) 940-8933 |
| Encore Home Improvments 450 Alden Rd, Markham L3R 5H4 | (905) 470-0750 |