| Business | Phone |
| Aim Telecommunications Ltd 20 Scenic Glen Gate Nw, Calgary T3L 1K5 | (403) 531-1885 |
| All-Comm Svc Alberta Ltd 3545 32 Ave Ne #775, Calgary T1Y 6M6 | (403) 282-7505 |
| Netcom Communication Systems 2928 18 St Ne #8, Calgary T2E 7B1 | (403) 291-6119 |
| Prime Communications Svc Ltd 2915 19 St Ne #7, Calgary T2E 7A2 | (403) 531-0025 |
| W P Telectronics Ltd 216 39 Ave Ne, Calgary T2E 2M5 | (403) 250-8888 |
| Connectors Inc 37 Discovery Woods Villas Sw, Calgary T3H 5A7 | (403) 271-9700 |