| Business | Phone |
| Infinity Telecenter 120 Wellington St #302, London N6B 2K6 | (519) 432-6463 |
| Tigertel Call Ctr 383 Richmond St, London N6A 3C4 | (519) 672-5580 |
| Triple A Answering Svc Ltd 30 Adelaide St N #201, London N6B 3N5 | (519) 433-8101 |
| Gentel Wireless Communications 288 Horton St E, London N6B 1L4 | (519) 858-9200 |