| Business | Phone |
| Anderson Architects 4470 Rue Sherbrooke O, Westmount H3Z 1E6 | (514) 931-6760 |
| Andrei & Robe 4920 Boul De Maisonneuve O #304, Westmount H3Z 1N1 | (514) 487-4664 |
| Architettura 4920 Boul De Maisonneuve O #304, Westmount H3Z 1N1 | (514) 481-7711 |
| Greenbaum Architects 399 Av Clarke, Westmount H3Z 2E7 | (514) 931-3065 |
| Grenier & Richards 4898 Boul De Maisonneuve O, Westmount H3Z 1M8 | (514) 488-4054 |
| Humenny, Orest 1214 Av Greene, Westmount H3Z 2A3 | (514) 939-0038 |
| Ian Martin Architects 4098 Rue Sainte-Catherine O, Westmount H3Z 1P2 | (514) 937-7575 |
| Katz & Ritchie 4846 Rue Sherbrooke O #101, Westmount H3Z 1G8 | (514) 483-4979 |
| Panzini Conseils Inc 4115 Rue Sherbrooke O #210, Westmount H3Z 1K9 | (514) 938-9000 |
| Bobrow Architects 4455 Rue Sherbrooke O, Westmount H3Z 1E7 | (514) 931-5871 |
| Soucy & Wiseman 4920 Boul De Maisonneuve O #304, Westmount H3Z 1N1 | (514) 489-4955 |
| Swiech, Jacek 4098 Rue Sainte-Catherine O, Westmount H3Z 1P2 | (514) 935-0314 |
| Weiser, Fred 4823 Rue Sherbrooke O #235, Westmount H3Z 1G7 | (514) 932-5500 |
| Wellen, M F 4846 Rue Sherbrooke O, Westmount H3Z 1G8 | (514) 485-3003 |
| Brown, Debra 4060 Rue Sainte-Catherine O, Westmount H3Z 2Z3 | (514) 939-7777 |
| Charney, Morris 12 Av Melbourne, Westmount H3Z 1H7 | (514) 937-5100 |
| Desnoyers Mercure 324 Av Grosvenor, Westmount H3Z 2M2 | (514) 481-5023 |
| Feise, Christian 58 Av Chesterfield, Westmount H3Y 2M5 | (514) 482-6222 |