| ActiveMatch, Physical Activity Partnering Service for Cancer Survivors | Toronto Downtown Central |
| Breast Cancer Canada | Sarnia |
| Camp Quality Canada, Camp Quality Southern Ontario, Camp for Children with Cancer and Blood Disorders | Toronto |
| Canadian Breast Cancer Network | Ottawa |
| 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 Services of Halton Hills | Halton Hills |
| Childhood Cancer Canada | Toronto Downtown Central |
| Cleaning For A Reason | USA |
| Colorectal Cancer Resource and Action Network (CCRAN) | Oakville |
| 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, Mississauga Halton Central Intake Program | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Colorectal Diagnostic Assessment Program | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Diagnostic Imaging | Oakville |
| Halton. Halton Region Public Health, Burlington - Health@3350, Sexual Health Clinic | Burlington |
| Halton. Halton Region Public Health, Georgetown - Health@280, Sexual Health Clinic | Georgetown |
| Halton. Halton Region Public Health, Oakville - Health@232, Sexual Health Clinic | Oakville |
| Ian Anderson House, Residential Hospice | Oakville |
| Joseph Brant Hospital, Ambulatory Care Clinics | Burlington |
| Joseph Brant Hospital, Diagnostic Imaging | Burlington |
| Kidney Cancer Canada | Streetsville |
| KMH Cardiology Centres | Burlington |
| LifeLabs, Colorectal Cancer Screening | Mississauga |
| Lung Cancer Canada | Toronto Downtown Central |
| Melanoma Canada | Oakville |
| Mississauga Halton Central West Regional Cancer Program, Trillium Health Partners - Credit Valley Hospital - Carlo Fidani Regional Cancer Centre | Mississauga |
| Mississauga Halton Central West Regional Cancer Program, Oakville Trafalgar Memorial Hospital, Cancer Care Clinic | Oakville |
| Mississauga Halton Central West Regional Cancer Program, Trillium Health Partners - Credit Valley Hospital - Carlo Fidani Regional Cancer Centre, Cancer Care Clinic | Mississauga |
| Nankind GTA, North York Office, Nankind [formerly Nanny Angel Network] | 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, Toronto - 5700 Yonge St, Ontario Public Drug Programs | Etobicoke |
| Ovarian Cancer Canada | Toronto Downtown Central |
| Pediatric Oncology Group of Ontario | Toronto Downtown Central |
| Prostate Cancer Support - Brampton, Wellspring Chinguacousy Cancer Support Centre | Brampton |
| 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 |
| Thyroid Foundation of Canada | Loyalist Township |
| Trillium Health Partners, Credit Valley Hospital, Genetics Program | Mississauga |
| Trillium Health Partners, Credit Valley Hospital, Chronic Kidney Disease Program | Mississauga |
| Trillium Health Partners, Credit Valley Hospital | Mississauga |
| Urology Resource Centre | Burlington |
| WELL Health Diagnostic Centres, Cardiology and Diagnostic Imaging | Milton |
| Wellspring, Online-Based Cancer Support | Toronto |
| Wellspring Birmingham Gilgan House, Community-Based Cancer Support | Oakville |
| 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 |
