| 2-Spirited People of the 1st Nations, Community Programs | Toronto |
| A+ Medical Centre and Walk-In | Milton |
| AboutFace | North York West |
| Acton Medical and Urgent Care | Halton Hills |
| Acton-Halton Walk-in Clinic | Halton Hills |
| Alliance for South Asian AIDS Prevention, Toronto | Toronto |
| Alpha Care Medical Center | Halton Hills |
| Aplastic Anemia and Myelodysplasia Association of Canada | Brighton (Municipality of) |
| Asian Community AIDS Services, Toronto | Toronto |
| Asthma Canada | Toronto Downtown North |
| Atwell Centre, Oakville, Pregnancy Support Services | Oakville |
| Black Coalition for AIDS Prevention | Toronto |
| Bonafide Medical Clinic, Family Practice and Walk-in | Milton |
| Brain Injury Association of Peel and Halton | Mississauga |
| Bronte Family Medical Clinic, Family Practice and Walk-in Clinic | Milton |
| Burlington Public Library, Central Branch, Library Services | Burlington |
| Burlington Public Library, Aldershot Branch, Library Services | Burlington |
| Burlington Public Library, Alton Branch, Library Services | Burlington |
| Burlington Public Library, Brant Hills Branch, Library Services | Burlington |
| Burlington Public Library, Kilbride Branch, Library Services | Burlington |
| Burlington Public Library, New Appleby Branch, Library Services | Burlington |
| Burlington Public Library, Tansley Woods Branch, Library Services | Burlington |
| CAAN, Mailing Address | |
| Camp Quality Canada, Camp Quality Southern Ontario, Camp for Children with Cancer and Blood Disorders | Toronto |
| Canada. Health Canada, Ontario Region, First Nations and Inuit Health Branch | Ottawa |
| Canadian Cancer Society - Ontario Division, Cancer Information Service | Toronto Downtown North |
| Canadian Cancer Society - Ontario Division - Peer Match Program | Toronto Downtown North |
| Canadian Hemophilia Society, Toronto and Central Ontario Region, Blood Disorders Information and Support | Scarborough North |
| Canadian Liver Foundation, Markham - National Office and Toronto/GTA Chapter | Markham |
| Canadian Spondyloarthritis Association | Toronto Downtown |
| CareNow Ontario | Toronto Downtown East |
| CATIE (Canadian AIDS Treatment Information Exchange) | Toronto Downtown Central |
| CATIE (Canadian AIDS Treatment Information Exchange), Where To? | Toronto Downtown Central |
| Chai Lifeline Canada | Toronto |
| Childhood Cancer Canada | Toronto Downtown Central |
| Colorectal Cancer Resource and Action Network (CCRAN) | Oakville |
| COVID-19 Information, Halton Region | Halton Region |
| COVID-19 Tests, Halton Region | Halton Region |
| COVID-19 Vaccine Information, Halton Region | Halton Region |
| Crohn's and Colitis Canada | Toronto Downtown Central |
| Crohn's and Colitis Canada, Halton Region Chapter | Halton Region |
| Crystal Care Medical Clinic, Family Practice and Walk-in Clinic | Milton |
| Cystic Fibrosis Canada, Cystic Fibrosis Canada Hamilton Chapter Location, Cystic Fibrosis Canada Hamilton Chapter Services | Hamilton |
| Danton Medical Centre, Oakville, Family Practice and Walk-in | Oakville |
| DEBRA Canada | Oakville |
| Diabetes Canada | Toronto Downtown Central |
| Diabetes Canada, D-Camps Ontario | Huntsville |
| Diabetes Hope Foundation, Transition Resources and Supports for Youth with Type 1 Diabetes | Mississauga |
| Dundas Neyagawa Medical Centre, Family Practice and Walk-in | Oakville |
| Epilepsy South Central Ontario, Mississauga | Mississauga |
| ErinoakKids Centre for Treatment and Development, Children's Treatment Centre (Brampton) | Brampton |
| ErinoakKids Centre for Treatment and Development, Children's Treatment Centre (Mississauga) | Mississauga |
| Genesis Walk-in and Family Clinic | Halton Hills |
| Genetic Aortic Disorders Association Canada, Mississauga | Mississauga |
| Glenashton Medical Centre, Family Practice and Walk-in Clinic | Oakville |
| Halton Down Syndrome Association | Burlington |
| Halton Healthcare, Georgetown Hospital, Asthma Education Centre | Georgetown |
| Halton Healthcare, Milton District Hospital, Asthma Education Centre | Milton |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Asthma Education Centre | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Outpatient Rehabilitation - Remote Care Management Program | Oakville |
| Halton Medix, Milton, Family Practice and Walk-in Clinic | Milton |
| Halton. Halton Region Public Health, Sexual Health Clinics | Halton Region |
| Halton. Social and Community Services - Children's Services, Children's Developmental Services | Oakville |
| Halton-Peel Myeloma Support Group, Oakville | Oakville |
| Hamilton Regional Indian Centre, Fetal Alcohol Spectrum Disorder (FASD) and Nutrition Program | Hamilton |
| HealthSense Medical, Family Practice and Walk-in Clinic | Oakville |
| Hemophilia Ontario | Scarborough North |
| Hospital for Sick Children | Toronto |
| HSR Public Transit, DARTS Transit | Hamilton |
| Huntington Society of Canada, Young People Affected by Huntington Disease | Canada |
| Hydrocephalus Canada | Etobicoke Central |
| Indigenous Diabetes Health Circle, Indigenous Diabetes Health Circle, Niagara Region | Thorold |
| Joseph Brant Hospital, Burlington - Wellness House, Hospital Based Outpatient Services | Burlington |
| Joseph Brant Hospital, Maternal and Child Program | Burlington |
| Joshua Creek Medical, Family Practice and Walk-in Clinic | Oakville |
| Kidney Foundation of Canada, Ontario Branch | Mississauga |
| Leukemia and Lymphoma Society of Canada - Ontario Region | North York East |
| Leukemia and Lymphoma Society of Canada - Ontario Region - First Connection Caregiver Support Program | North York East |
| Lung Health Foundation | North York East |
| Lyme Ontario | Ancaster |
| LymeHope | Burlington |
| Lymphedema Association of Ontario | Etobicoke South |
| Marketplace Medical Centre, Walk-in Clinic and Family Practice | Milton |
| Maximize Your Health - Mississauga Halton Self Management Program, Oakville | Oakville |
| Melanoma Canada | Oakville |
| Métis Nation of Ontario, Brampton | Brampton |
| Milton Family Care Centre, Family Practice and Walk-in Clinic | Milton |
| Milton Public Library, Main Branch, Library Services | Milton |
| Mind Forward Brain Injury Services, Mississauga - Head Office | Mississauga |
| MitoCanada Foundation | Oakville |
| MS Canada | Toronto Downtown Central |
| Myasthenia Gravis Society of Canada | Ontario |
| Oak Park Medical Clinic | Oakville |
| Oakville Health Centre Clinic, Family Practice and Walk-in Clinic | Oakville |
| Oakville Town Medical Clinic, Walk-in Clinic and Family Practice | Oakville |
| Ontario Aboriginal HIV/AIDS Strategy | Toronto Downtown North |
| Ontario Health atHome, Burlington Office | Burlington |
| Ontario Prader-Willi Syndrome Association | York |
| Ontario. Ministry of Health, Sexual Health Infoline Ontario | Toronto Downtown |
| Ontario. Ministry of Health, Assistive Devices Program | North York Central |
| Osteoporosis Canada | North York East |
| Ovarian Cancer Canada | North York Central |
| Parachute | Toronto |
| PCHS, PCHS Mississauga | Mississauga |
| PKD Foundation of Canada | Etobicoke Central |
| Positive Health Network, Oakville - Kerr St, Supports, Education and Training | Oakville |
| Queen's Medical and Pharmacy | Oakville |
| Robbie's Rainbow | Oakville |
| Scleroderma Society of Ontario, Scleroderma Society of Ontario Support Groups | Hamilton |
| Sickle Cell Awareness Group of Ontario | North York |
| Spinal Cord Injury Ontario | North York Central |
| Sunnybrook Health Sciences Centre, Toronto - Sunnybrook Health Sciences Centre, Bayview Campus | Toronto |
| Thompson Walk-In and Medical Clinic | Milton |
| Trillium Health Partners, Credit Valley Hospital, Genetics Program | Mississauga |
| Trillium Health Partners, Mississauga - Credit Valley Hospital, Credit Valley Hospital | Mississauga |
| TrueCare Medical Centre | Milton |
| Uptown Medical, Family Practice and Walk-in Clinic | Oakville |
| Women's College Hospital, Bay Centre for Birth Control | Toronto |
| YMCA of Oakville, Positive Health Management Programs | Oakville |
