| Business | Phone |
| A Sampson Assoc Inc 6 Warden Ln, Markham | (905) 888-4789 |
| Hudson Melville Inc 21 Angus Glen Blvd, Markham L6C 1Z1 | (905) 887-9333 |
| J S Watson & Assoc Ltd 50 Acadia Ave, Markham L3R 0B3 | (905) 475-5060 |
| Duff & Assoc 100 Longwater Chase, Markham L3R 4B1 | (905) 415-9373 |