| Business | Phone |
| Aei Wireless 2648 Alta Vista Dr, Ottawa K1V 7T2 | (613) 274-7935 |
| Allan Crawford Assoc Ltd 2650 Queensview Dr #255, Ottawa K2B 8H6 | (613) 596-9300 |
| Seabrook Communications 2285 St Laurent Blvd, Ottawa | (613) 738-3064 |
| Solidum Systems Corp 1575 Carling Ave, Ottawa K1Z 7M3 | (613) 724-6004 |
| Vainola, Robert 188 Hopewell Ave, Ottawa K1S 2Z5 | (613) 244-0828 |
| Williams Communications 333 Preston St #900, Ottawa K1S 5N4 | (613) 230-1660 |
| Foundry Networks 440 Laurier Ave W #200, Ottawa K1R 7X6 | (613) 823-5897 |
| General Data Comm Ltd 85 Albert St #1507, Ottawa K1P 6A4 | (613) 234-4005 |