| Canadian Home Healthcare, Sleep Apnea Therapy and Home Oxygen | Oakville |
| CPAP Central, Georgetown | Halton Hills |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Sleep Laboratory | Oakville |
| InspiAIR Mississauga | Dixie |
| MedSleep, Respirology and Sleep Medicine | Milton |
| Peak Sleep, Burlington, Sleep Study and Consultation | Burlington |
| Peak Sleep, Oakville, Sleep Study and Consultation | Oakville |
| ProResp/Trillium Health Partners, Oakville, Community Respiratory Care | Oakville |
| Trillium Health Partners, Mississauga - Credit Valley Hospital, Credit Valley Hospital | Mississauga |
