| Business | Phone |
| Keith Electronique Inc 557 Rue De La Riviere, Cowansville J2K 3G6 | (450) 263-2473 |
| Lafrance Audio-Video 2000 Inc 219 Rue Albert, Cowansville J2K 2W6 | (450) 263-2261 |
| Stereo Plus Cowansville 175 Rue Principale, Cowansville J2K 3L9 | (450) 266-4446 |