| Business | Phone |
| 9106-9633 Que Inc 3767 Boul Thimens, Saint-Laurent H4R 1W4 | (514) 333-0005 |
| Access Telecom Technologies 438 Rue Isabey #108, Saint-Laurent H4T 1V3 | (514) 340-0334 |
| Aerosystems International 3538 Rue Ashby, Saint-Laurent H4R 2C1 | (514) 336-9426 |
| Adc 6505 Rte Transcanadienne, Saint-Laurent H4T 1S3 | (514) 215-2500 |
| Advanced Technology 1955 Ch De La Cote-De-Liesse, Saint-Laurent H4N 3A8 | (514) 335-9470 |
| Aldeavision Inc 8550 Ch De La Cote-De-Liesse, Saint-Laurent H4T 1H2 | (514) 344-5432 |
| Introtel E.Networks 6505 Rte Transcanadienne, Saint-Laurent H4T 1S3 | (514) 747-2367 |
| Invidex Inc 6300 Ch De La Cote-De-Liesse, Saint-Laurent H4T 1E3 | (514) 738-7738 |
| Maxcom Telecommunications 1493 Rue Begin, Saint-Laurent H4R 1V8 | (514) 331-5930 |
| Nordia Inc 3100 Boul De La Cote-Vertu, Saint-Laurent H4R 2J8 | (514) 332-5888 |
| Pyderion Contact Tech Inc 6700 Ch De La Cote-De-Liesse #503, Saint-Laurent H4T 2B5 | (514) 344-7351 |
| Radian Communication 8084 Rte Transcanadienne, Saint-Laurent H4S 1M5 | (514) 336-5757 |
| Recherche En Telecommunication 335 Boul Deguire, Saint-Laurent H4N 1P7 | (514) 332-4714 |
| Satcomm Networking Technology 146 Rue Barr, Saint-Laurent H4T 1Y4 | (514) 341-1888 |
| Sr Telecom Inc 8150 Trans-Canada Hwy, Saint-Laurent H4S 1M5 | (514) 335-1210 |
| Telecommunications Sur Mesure 945 Rue Cardinal, Saint-Laurent H4L 3E5 | (514) 744-9330 |
| Tellabs Tg Inc 3403 Rue Griffith, Saint-Laurent H4T 1W5 | (514) 736-1467 |
| Telinc.Net 6969 Rte Transcanadienne, Saint-Laurent H4T 1V8 | (514) 331-6050 |
| Vocalcom Canada Corp 6700 Ch De La Cote-De-Liesse #102, Saint-Laurent H4T 2B5 | (514) 733-6444 |
| Charon Systemes Inc 9900 Boul Cavendish, Saint-Laurent H4M 2V2 | (514) 344-9936 |
| Comlink Systems Linc 1455 Boul Pitfield, Saint-Laurent H4S 1G3 | (514) 334-5378 |
| Communication Fax Plus 6765 Ch De La Cote-De-Liesse, Saint-Laurent H4T 1E5 | (514) 344-2315 |
| Communication Systel Inc 430 Av Sainte-Croix, Saint-Laurent H4L 3X4 | (514) 747-1010 |
| Exfo Protocol Inc 2650 Av Marie-Curie, Saint-Laurent H4S 2C3 | (514) 856-2222 |