| Business | Phone |
| Angstrom Controles 4333 Rue Sainte-Catherine O #650, Westmount H3Z 1P9 | (514) 939-7400 |
| Gmat Ltee 1 Car Westmount #1200, Westmount H3Z 2P9 | (514) 938-4674 |
| Irving Graif & Assoc 4999 Rue Sainte-Catherine O #360, Westmount H3Z 1T3 | (514) 484-1176 |
| Leroux Chauhan Ouimet & Assoc 4115 Rue Sherbrooke O #210, Westmount H3Z 1K9 | (514) 846-8914 |
| Levine, Seymour Pe 4920 Boul De Maisonneuve O #304, Westmount H3Z 1N1 | (514) 489-4951 |
| Roland Hakim & Assoc Inc 350 Rue Selby #1, Westmount H3Z 1W7 | (514) 871-2270 |
| Baber Engineering & Consulting 365 Av Kitchener, Westmount H3Z 2G1 | (514) 932-4121 |
| El-Mec Consultants 360 Av Victoria #302, Westmount H3Z 2N4 | (514) 488-0656 |