| Business | Phone |
| Spectrodyne Systems Intl Inc 8080 Rte Transcanadienne, Saint-Laurent H4S 1M5 | (514) 331-9812 |
| Systemes D'Energie Bdlc 2477 Rue Guenette, Saint-Laurent H4R 2E9 | (514) 331-5762 |
| Cigentec Inc 4511 Rue Dobrin, Saint-Laurent H4R 2L8 | (514) 745-7550 |