| Business | Phone |
| A V Shwartz Architect Inc 20 Crown Steel Dr #9, Markham L3R 9X9 | (905) 477-4345 |
| Archxes Design Inc Architects 625 Cochrane Dr, Markham L3R 9R9 | (905) 475-3706 |
| Patterson & Assoc 5 Mcintosh Dr, Markham L3R 8C7 | (905) 475-1355 |
| Petroff Partnership Architects 260 Town Centre Blvd, Markham L3R 8H8 | (905) 470-7000 |
| Szeto, Alfred 260 Town Centre Blvd, Markham L3R 8H8 | (905) 513-6126 |
| Venchiarutti Gagliardi Archt 2651 John St, Markham L3R 2W5 | (905) 477-1065 |
| Boigon Petroff Shepherd 260 Town Centre Blvd #300, Markham L3R 8H8 | (905) 470-7200 |