| Circulate Cardiac & Vascular Centre | Burlington |
| Credit Valley Diagnostic Centre | Milton |
| Diagnostic Imaging, Halton Hills | Halton Hills |
| Diagnostic Imaging, Oakville | Oakville |
| Gam Diagnostic Imaging, Oakville - Trafalgar Rd, Diagnostic Imaging | Oakville |
| Gam Diagnostic Imaging, Oakville - Hospital Gate, Diagnostic Imaging | Oakville |
| Halton Healthcare, Georgetown Hospital, Diagnostic Imaging | Georgetown |
| Halton Healthcare, Milton District Hospital, Diagnostic Imaging | Milton |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Diagnostic Imaging | Oakville |
| Heart and Health Clinic, Oakville | Oakville |
| Joseph Brant Hospital, Diagnostic Imaging | Burlington |
| KMH Cardiology Centres | Burlington |
| Mississauga Halton Central West Regional Cancer Program, Diagnostic Assessment Program (DAP) | Mississauga |
| Oakville Cardiologists, Dorval site | Oakville |
| Oakville Cardiologists, North site | Oakville |
| One Vascular Imaging, Oakville | Oakville |
| Ontario Diagnostic Centres, Oakville, Diagnostic Imaging | Oakville |
| Ontario Diagnostic Centres, Milton, Diagnostic Imaging | Milton |
| Ontario Medical Imaging, Georgetown, Diagnostic Imaging | Georgetown |
| Ontario Mobile Imaging, Mobile Ultrasound | Mississauga |
| StL Diagnostic Imaging Mobile X-Ray and Ultrasound Services | Burlington |
| Trafalgar Cardiology | Oakville |
| True North Imaging, Oakville, Diagnostic imaging services | Oakville |
| WELL Health Diagnostic Centres, Cardiology and Diagnostic Imaging | Milton |
| Wentworth-Halton X-ray and Ultrasound, Burlington - Brant St, Diagnostic Imaging | Burlington |
| Wentworth-Halton X-ray and Ultrasound, Burlington - Appleby Line, Diagnostic Imaging | Burlington |
| Wentworth-Halton X-ray and Ultrasound, Burlington - Fairview St, Diagnostic Imaging | Burlington |
| Wentworth-Halton X-ray and Ultrasound, Burlington - Walker's Line, Diagnostic Imaging | Burlington |
| Wentworth-Halton X-Ray and Ultrasound, Oakville - Speers Rd, Diagnostic Imaging | Oakville |
| Wentworth-Halton X-Ray and Ultrasound, Oakville - Old Bronte Rd, Diagnostic Imaging | Oakville |
| William Osler Health System, Peel Memorial Centre for Integrated Health and Wellness | Brampton |
