| Business | Phone |
| Guillevin International Inc 5250 Av Trudeau, Saint-Hyacinthe J2S 7Y8 | (450) 774-6429 |
| Levelco Inc 371 Av Mondor, Saint-Hyacinthe J2S 5A6 | (450) 774-5383 |
| Longtest Inc 1405 Rue Saint-Antoine, Saint-Hyacinthe J2S 3L1 | (450) 774-3661 |
| Maska Electrique Ltee 3275 Av Choquette #7, Saint-Hyacinthe J2S 7Z8 | (450) 773-8568 |
| Sunwatt Electrique Ltee 2500 Rue Crevier, Saint-Hyacinthe J2T 1S9 | (450) 778-3501 |