| Breast Cancer Canada | Sarnia |
| Canadian Breast Cancer Network | Ottawa |
| Canadian Cancer Society - Ontario Division, Breast Cancer Support and Information Team | Toronto Downtown North |
| Diagnostic Imaging, Halton Hills | Halton Hills |
| Diagnostic Imaging, Oakville | Oakville |
| Gam Diagnostic Imaging, Oakville - Trafalgar Rd, Diagnostic Imaging | Oakville |
| Halton Healthcare, Georgetown Hospital, Diagnostic Imaging | Halton Hills |
| Halton Healthcare, Milton District Hospital, Diagnostic Imaging | Milton |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Diagnostic Imaging | Oakville |
| Joseph Brant Hospital, Ambulatory Care Clinics | Burlington |
| Joseph Brant Hospital, Diagnostic Imaging | Burlington |
| KMH Cardiology Centres | Burlington |
| Mississauga Halton Central West Regional Cancer Program, Credit Valley Hospital - Carlo Fidani Regional Cancer Centre | Mississauga |
| Ontario Diagnostic Centres, Oakville, Diagnostic Imaging | Oakville |
| Ontario Health, Toronto, Cancer Care Ontario | Toronto Downtown Central |
| Ontario Medical Imaging, Georgetown, Diagnostic Imaging | Georgetown |
| 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 - Walker's Line, Diagnostic Imaging | Burlington |
| Wentworth-Halton X-Ray and Ultrasound, Oakville - Speers Rd, Diagnostic Imaging | Oakville |
