| Business | Phone |
| Allergy & Oxygen Svc 1126 Finch Ave W #13, North York M3J 3J6 | (416) 850-0202 |
| Oxyfil Inc 5863 Leslie St #410, North York M2H 1J8 | (416) 948-6877 |
| Oxygen Specialists 37 Kodiak Cres #12, North York M3J 3E5 | (416) 638-9293 |
| Restassure Inc 1315 Finch Ave W, North York M3J 2G5 | (416) 398-8353 |