| A+ Medical Centre and Walk-In | Milton |
| ActiveMatch, Physical Activity Partnering Service for Cancer Survivors | Toronto Downtown Central |
| Acton Medical and Urgent Care | Halton Hills |
| Acton-Halton Walk-in Clinic | Halton Hills |
| Alpha Care Medical Center | Halton Hills |
| Bonafide Medical Clinic, Family Practice and Walk-in | Milton |
| Breast Cancer Canada | Sarnia |
| Camp Quality Canada - Southern Ontario, Camp for Children with Cancer and Blood Disorders | Toronto |
| Canadian Breast Cancer Network | Ottawa |
| Canadian Cancer Society for Hamilton, Brant-Norfolk Community, Wheels of Hope Transportation Services | Hamilton |
| Canadian Cancer Society - Ontario Division | Toronto Downtown North |
| Canadian Cancer Society - Ontario Division, Cancer Information Service | Toronto Downtown North |
| Canadian Cancer Society - Ontario Division, Breast Cancer Support and Information Team | Toronto Downtown North |
| Canadian Cancer Society - Ontario Division - Peer Match Program | Toronto Downtown North |
| Cancer Assistance Halton Hills | Georgetown |
| Childhood Cancer Canada | Toronto Downtown Central |
| Cleaning For A Reason | |
| Colorectal Cancer Resource and Action Network (CCRAN) | Oakville |
| Crystal Care Medical Clinic, Family Practice and Walk-in | Milton |
| Diagnostic Imaging, Halton Hills | Halton Hills |
| Diagnostic Imaging, Oakville | Oakville |
| Dundas Neyagawa Medical Centre, Family Practice and Walk-in | Oakville |
| Gam Diagnostic Imaging, Oakville - Trafalgar Rd, Diagnostic Imaging | Oakville |
| Genesis Walk-in and Family Clinic | Halton Hills |
| Glenashton Medical Centre, Family Practice and Walk-in Clinic | Oakville |
| Halton Healthcare, Georgetown Hospital, Diagnostic Imaging | Halton Hills |
| Halton Healthcare, Milton District Hospital, Diagnostic Imaging | Milton |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Colorectal Diagnostic Assessment Program | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Diagnostic Imaging | Oakville |
| Halton Medix, Milton, Family Practice and Walk-in Clinic | Milton |
| Halton. Halton Region Public Health, Sexual Health Clinics | Halton Region |
| Infinity Health Centre, Walk-in Clinic | Oakville |
| Joseph Brant Hospital, Ambulatory Care Clinics | Burlington |
| Joseph Brant Hospital, Diagnostic Imaging | Burlington |
| Joseph Brant Hospital, Oncology / Cancer Care | Burlington |
| Kerr Street Medical Centre | Oakville |
| Kidney Cancer Canada | Streetsville |
| KMH Cardiology Centres | Burlington |
| LifeLabs, Colorectal Cancer Screening | Mississauga |
| LiveYoung Mediclinic, Family Practice and Walk-in Clinic | Milton |
| Lung Cancer Canada | Toronto Downtown Central |
| Melanoma Canada | Oakville |
| Mississauga Halton Central West Regional Cancer Program, Credit Valley Hospital - Carlo Fidani Regional Cancer Centre | Mississauga |
| Mississauga Halton Central West Regional Cancer Program, Credit Valley Hospital - Carlo Fidani Regional Cancer Centre, Cancer Care Clinic | Mississauga |
| Mississauga Halton Central West Regional Cancer Program, Oakville Trafalgar Memorial Hospital, Cancer Care Clinic | Oakville |
| Nankind | Toronto |
| Oakville Endoscopy Centre | Oakville |
| Ontario Diagnostic Centres, Oakville, Diagnostic Imaging | Oakville |
| Ontario Health - Cancer Care Ontario | Toronto Downtown Central |
| Ontario Medical Imaging, Georgetown, Diagnostic Imaging | Georgetown |
| Ontario. Ministry of Health, Ontario Public Drug Programs | Etobicoke |
| Ovarian Cancer Canada | North York Central |
| Pediatric Oncology Group of Ontario | Toronto Downtown Central |
| Prostate Cancer Foundation Canada, Find a Location - Prostate Cancer Support Groups | |
| Prostate Cancer Support Canada, Burlington/Hamilton Support Group | Burlington |
| Prostate Cancer Support Oakville/Mississauga | Oakville |
| Provis-Rudd Clinic, Oakville, Endoscopy and Gastroenterology | Oakville |
| Rebounders Canada, Peer Support for Adult Survivors of Childhood Cancer | Toronto |
| Salvation Army (The), Burlington Community Church | Burlington |
| Sunnybrook Health Sciences Centre, Toronto - Sunnybrook Health Sciences Centre, Bayview Campus | Toronto |
| Thyroid Foundation of Canada | Bath |
| Trillium Health Partners, Credit Valley Hospital, Genetics Program | Mississauga |
| Trillium Health Partners, Credit Valley Hospital | Mississauga |
| Urology Resource Centre | Burlington |
| WELL Health Diagnostic Centres, Cardiology and Diagnostic Imaging | Milton |
| Wellspring Birmingham Gilgan House, Community-Based Cancer Support | Oakville |
| Wellspring Cancer Support, Virtual Centre for Cancer Support | Toronto |
| 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 |
| Women's College Hospital, Bay Centre for Birth Control | Toronto |
