| Business | Phone |
| A Teleconsult Group 298 Dalhousie St #52037, Ottawa K1N 7E7 | (613) 244-0660 |
| Accord Communications 790 Industrial Ave #15, Ottawa K1G 4H3 | (613) 723-2967 |
| Advent Net Inc 381 Hinton Ave S, Ottawa K1Y 1A7 | (613) 792-1628 |
| Astrocom Associates Inc 1997 Neepawa Ave, Ottawa K2A 3L4 | (613) 722-5480 |
| Davidson Consulting 1376 Bank St, Ottawa K1H 8N6 | (613) 260-5931 |
| Audor Communications Inc 2700 Lancaster Rd #118, Ottawa K1B 4T7 | (613) 523-9933 |
| Avantel Consulting Inc 130 Lewis St, Ottawa K2P 0S7 | (613) 236-7319 |
| Telnet Inc 150 Isabella St, Ottawa K1S 1V7 | (613) 729-6789 |
| I-Fo Technologies 60 Robert St, Ottawa K2P 1G4 | (613) 594-8031 |
| Imaginaction 13 Avon Lane, Ottawa K1M 1V1 | (613) 744-6969 |
| International Datacasting Co 2680 Queensview Dr #100, Ottawa K2B 8J9 | (613) 596-4120 |
| Itec Solutions Inc 440 Laurier Ave W, Ottawa K1R 7X6 | (613) 782-2308 |
| Lapp-Hancock Assoc Ltd 280 Albert St #904, Ottawa K1P 5G8 | (613) 238-2483 |
| Menatel Systems Inc 220 Laurier Ave E #750, Ottawa K1N 6P2 | (613) 233-5116 |
| Nextira One Canada 427 Laurier Ave W #500, Ottawa K1R 7Y2 | (613) 563-3428 |
| Nuvo Network Management 2650 Queensview Dr, Ottawa K2B 8H6 | (613) 721-6886 |
| Performance Technologies Inc 150 Metcalfe St #1300, Ottawa K2P 1P1 | (613) 237-4344 |
| Protus Ip Solutions 2379 Holly Lane #210, Ottawa K1V 7P2 | (613) 733-0000 |
| Robson Broadcast Consultants 130 Slater St #1100, Ottawa K1P 6E2 | (613) 238-1477 |
| Baycadd Solutions Inc 1296 Carling Ave #200, Ottawa K1Z 7K8 | (613) 761-7175 |
| Saxe Communications 96 Pretoria Ave, Ottawa K1S 1W9 | (613) 563-1085 |
| Securetel Corp 1183 Cecil Ave, Ottawa K1H 7Z6 | (613) 736-5480 |
| T F Martin Systems Engineering 151 Slater St #100, Ottawa K1P 5H3 | (613) 722-9097 |
| Telecore 13337 Wellington #B, Ottawa | (613) 722-7887 |
| Telepath Corp 153 Nepean St #B1, Ottawa K2P 0B5 | (613) 234-6660 |
| Telus 45 O'Connor St #1200, Ottawa K1P 1A4 | (613) 597-8200 |
| Trm Technologies 151 Slater St #100, Ottawa K1P 5H3 | (613) 722-8843 |
| Veri-Aud 477 Edison Ave, Ottawa K2A 1V1 | (613) 798-7831 |
| Vistar 427 Laurier Ave W #1410, Ottawa K1R 7Y2 | (613) 230-4848 |
| Zucotto Wireless Inc 130 Slater St, Ottawa K1P 6E2 | (613) 789-0090 |
| C-Com Satellite Systems 2574 Sheffield Rd, Ottawa K1B 3V7 | (613) 745-4110 |
| Cisco Systems Canada Co 55 Metcalfe St #1140, Ottawa K1P 6L5 | (613) 788-7200 |
| Com-Net Communication Cabling 2100 Thurston Dr, Ottawa K1G 4K8 | (613) 247-7778 |
| Comgate Engineering 331 Cooper St #200, Ottawa K2P 0G5 | (613) 235-4778 |
| Conoscenti Telecommunications 275 Slater St #900, Ottawa K1P 5H9 | (613) 688-2200 |
| Cybit Corp 187 Kehoe St, Ottawa K2B 6A6 | (613) 721-0751 |
| Eftia Oss Solutions Inc 460 O'Connor St, Ottawa K1S 5H3 | (613) 564-4407 |
| Fifth Dimension Communications 2211 Thurston Dr, Ottawa K1G 6C9 | (613) 248-1000 |