| Business | Phone |
| Techniplan 2001 35 3e Av, Boisbriand J7G 1Z4 | (450) 979-7797 |
| Denmar-Tech 519 Boul Du Cure-Boivin, Boisbriand J7G 2A8 | (450) 979-3380 |
| Dessina-Plan-Plus Inc 480 Ch De La Grande-Cote, Boisbriand J7E 4H4 | (450) 965-1150 |
| Dessins Jmd 3048 Ch De La Riviere Cachee, Boisbriand J7H 1H9 | (450) 430-4442 |