| Business | Phone |
| Ansco Information Systems Ltd 4999 Rue Sainte-Catherine O #315, Westmount H3Z 1T3 | (514) 488-2020 |
| Grand Virtuel 1 Car Westmount, Westmount H3Z 2P9 | (514) 396-7771 |
| Maxonyx Computer Powersystems 4150 Rue Sainte-Catherine O #510, Westmount H3Z 2Y5 | (514) 738-6699 |
| Solutions Camtos 4999 Rue Sainte-Catherine O #230, Westmount H3Z 1T3 | (514) 481-0606 |
| Systamex Inc 4060 Rue Sainte-Catherine O #520, Westmount H3Z 2Z3 | (514) 932-4431 |
| William H Calder & Assoc 378 Av Clarke, Westmount H3Z 2E6 | (514) 939-1422 |
| Essentus Inc 2 Boul Alexis-Nihon #1600, Westmount H3Z 3L3 | (514) 925-5100 |
| Futurion 4145 Rue Sherbrooke O, Westmount H3Z 1B7 | (514) 935-5125 |
| Geneva Financial Systems 340 Av Victoria, Westmount H3Z 2M8 | (514) 486-4011 |