| Business | Phone |
| Glenarin Acres Ltd 5 Shields Crt #109, Markham L3R 0G3 | (905) 475-7666 |
| Losar Developments Ltd 610 Bullock Dr #1005, Markham L3R 0G1 | (905) 513-9769 |
| Maple Crown Development Group 90c Centurian Dr #33, Markham L3R 8C5 | (905) 477-4831 |
| Peak Garden Developments Inc 18 Crown Steel Dr, Markham L3R 9X8 | (905) 940-3339 |
| Bazil Developments 100 Allstate Pky, Markham L3R 6H3 | (905) 940-2690 |
| Uridave Developments Inc 500 Alden Rd #201, Markham L3R 5H5 | (905) 305-9555 |
| V V De Marco Properties Ltd 7300 Warden Ave, Markham L3R 9Z6 | (905) 475-0717 |
| Chelsea Homes Ltd 7225 Woodbine Ave, Markham L3R 1A3 | (905) 475-9151 |
| Demarco Vv Properties Ltd 7300 Warden Ave #501, Markham L3R 9Z6 | (905) 475-1730 |