| Business | Phone |
| Alarme & Communication Rl Inc 785 Rue Letourneau, Thetford Mines G6G 6C9 | (418) 338-3841 |
| Tele Alarme Ts Div De 166 Rue Notre-Dame N, Thetford Mines G6G 2S2 | (418) 338-6381 |
| Tele Alarme Ts 166 Rue Notre-Dame N, Thetford Mines G6G 2S2 | (418) 338-3181 |