| Business | Phone |
| Algosys 825 Rue Sainte-Therese #210, Quebec G1N 1S6 | (418) 683-9696 |
| Nsw Controle Inc 3920 Boul Wilfrid-Hamel, Quebec G1P 2J2 | (418) 877-4001 |
| Pacnard Inc 945 Av Newton #131, Quebec G1P 4M3 | (418) 874-0202 |
| Regulvar Inc 2800 Rue Jean-Perrin #100, Quebec G2C 1T3 | (418) 842-5114 |
| Sci Quebec Inc 1470 Av Galilee, Quebec G1P 4E3 | (418) 687-4770 |
| Societe De Controle Johnson 1375 Boul Charest O #3, Quebec G1N 2E7 | (418) 681-0085 |
| Controles Laurentide Ltee 5075 Boul Wilfrid-Hamel #230, Quebec G2E 5G3 | (418) 872-0314 |
| Controles Roger Hogue Quebec 1200 Av Saint-Jean-Baptiste #101, Quebec G2E 5E8 | (418) 871-5344 |
| Cristal Controles Ltee 1375 Boul Charest O #25, Quebec G1N 2E7 | (418) 681-9590 |