| Business | Phone |
| Lettra-Decor Enr 10 Rue Pare, Granby J2G 5C8 | (450) 777-1413 |
| Lettracom Enr 312 Rue Saint-Hubert, Granby J2G 5N3 | (450) 378-8724 |
| Richard Lettrage Inc 692 Rue Principale #1, Granby J2G 2Y4 | (450) 378-6376 |
| Enseignes Media Modul 639 Rue Laurent, Granby J2G 8P4 | (450) 372-4303 |