| Business | Phone |
| Groupe Robtick 3525 Av Lacombe, Montreal H3T 1M2 | (514) 342-2620 |
| Groupe Telecom 3575 Boul Saint-Laurent #1t7, Montreal H2X 2T7 | (514) 384-4443 |
| Primus Canada 5252 Boul De Maisonneuve O #415, Montreal H4A 3S5 | (514) 940-4000 |
| Sprint Canada 400 Rue Bridge, Montreal H3K 2C3 | (514) 933-6294 |
| Trilogic Communications 3575 Boul Saint-Laurent #127, Montreal H2X 2T7 | (514) 845-4545 |
| Ucn 1974 Rue Sainte-Catherine O #314, Montreal H3H 1M4 | (514) 795-6177 |
| Voip Resource 1222 moncton, Montreal H4Y 2D4 | (514) 979-9628 |
| Megatron Communications inc. 1250 Rene Levesque ouest, Montreal H3B 4W8 | (514) 664-1358 |