| Business | Phone |
| System Alarme Drummond 57 Ch Du Golf, Drummondville J2C 1K5 | (819) 472-8274 |
| Communication Drummond 795 Rue Nadeau, Drummondville J2C 5E5 | (819) 478-3852 |
| Communications Bc Inc 1653 Boul Saint-Joseph, Drummondville J2C 2G5 | (819) 472-4947 |
| Communications Thibeault Ltee 1565 Rue Janelle, Drummondville J2C 5S5 | (819) 477-1911 |