| Business | Phone |
| O'Malley, John C 1300 Don Mills Rd, North York M3B 2W6 | (416) 510-1520 |
| Omega Point Tel Ltd 1593 Wilson Ave, North York M3L 1A5 | (416) 244-5557 |
| Tele Connect Systems Ltd 7 Kodiak Cres, North York M3J 3E5 | (416) 635-1234 |
| Toronto Telecom 130 Bridgeland Ave, North York M6A 1Z4 | (416) 781-7880 |
| Borg Telecommunications Inc 3101 Bathurst St, North York M6A 2A6 | (416) 256-0790 |