| AboutFace | North York West |
| Acclaim Health, Caregiver Education and Support | Oakville |
| AIDS Network (The), Oakville, Supports, Education and Training | Oakville |
| ALS Canada | Toronto Downtown Central |
| Alzheimer Society of Brant, Haldimand Norfolk, Hamilton Halton, Halton Office | Burlington |
| Aplastic Anemia and Myelodysplasia Association of Canada | King Township |
| Arthritis Society Canada, Burlington, Hamilton & Niagara Region Office, Community Support | Burlington |
| Arthritis Society Canada, Halton East and Peel Region | Mississauga |
| Asian Community AIDS Services | Toronto |
| Asperger's Society of Ontario | Toronto Downtown North |
| Asthma Canada | Toronto Downtown North |
| Autism Ontario | Toronto Downtown West |
| Barth Syndrome Foundation of Canada | Georgetown |
| Black Coalition for AIDS Prevention | Toronto |
| Brain Injury Association of Peel and Halton | Mississauga |
| Brain Tumour Foundation of Canada | London |
| Breast Cancer Canada | Sarnia |
| Canada. Health Canada, Ontario Region, First Nations and Inuit Health Branch | Ottawa |
| Canada. Health Canada, Ontario Region, Non-Insured Health Benefits | Ottawa |
| Canadian Addison Society (The) | Etobicoke Central |
| Canadian Alopecia Areata Foundation | King Township |
| 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 Digestive Health Foundation | Oakville |
| Canadian Hard of Hearing Association, Ottawa | Ottawa |
| Canadian Hemophilia Society, Toronto and Central Ontario Region, Blood Disorders Information and Support | Scarborough North |
| Canadian Liver Foundation, National Office and Toronto/GTA Chapter | Markham |
| Canadian Spondyloarthritis Association | Toronto Downtown |
| CareNow Ontario | North York West |
| CATIE (Canadian AIDS Treatment Information Exchange) | Toronto Downtown Central |
| CCF for PSP Awareness, Burlington, Support Group | Burlington |
| Celiac Canada | Mississauga |
| Childhood Cancer Canada | Toronto Downtown Central |
| Crohn's and Colitis Canada | Toronto Downtown Central |
| Crohn's and Colitis Canada, Halton Region Chapter | Halton Region |
| Cystic Fibrosis Canada | Toronto Downtown North |
| Cystic Fibrosis Canada, Cystic Fibrosis Canada Hamilton Chapter Location, Cystic Fibrosis Canada Hamilton Chapter Services | Hamilton |
| DEBRA Canada | Oakville |
| Diabetes Canada | Toronto Downtown Central |
| Dystonia Medical Research Foundation Canada | Toronto Downtown Central |
| Epilepsy South Central Ontario | Mississauga |
| FASlink Fetal Alcohol Disorders Society | Sarnia |
| Genetic Aortic Disorders Association Canada | Mississauga |
| Halton Down Syndrome Association | Burlington |
| Halton Healthcare, Georgetown - Guelph St, Halton Diabetes Program | Georgetown |
| Halton Healthcare, Georgetown Hospital, Asthma Education Centre | Halton Hills |
| Halton Healthcare, Milton District Hospital, Asthma Education Centre | Milton |
| Halton Healthcare, Milton District Hospital, Halton Diabetes Program | Milton |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Asthma Education Centre | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Halton Diabetes Program | 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, Infectious Disease and Outbreak Management Surveillance | Oakville |
| Halton. Halton Region Public Health, Oakville - Health@232, Sexual Health Clinic | Oakville |
| Heart and Stroke, Ontario Office | Toronto Downtown North |
| Hemophilia Ontario | Scarborough North |
| Huntington Society of Canada, Family Services | Waterloo |
| Hydrocephalus Canada | Etobicoke Central |
| ILC Charitable Foundation | Oakville |
| Indigenous Diabetes Health Circle, Indigenous Diabetes Health Circle, Niagara Region | Thorold |
| International Dyslexia Association - Ontario Branch | Toronto |
| International Railroad for Queer Refugees | Toronto |
| Kidney Cancer Canada | Streetsville |
| Kidney Foundation of Canada, Ontario Branch | Mississauga |
| Learning Disabilities Association of Ontario | Etobicoke |
| Leukemia and Lymphoma Society of Canada - Ontario Region | North York East |
| Lung Cancer Canada | Toronto Downtown Central |
| Lung Health Foundation | North York East |
| Lyme Ontario | Ancaster |
| LymeHope | Burlington |
| Lymphedema Association of Ontario | Etobicoke South |
| March of Dimes Canada, West Central Regional Office, After Stroke Program | Milton |
| Melanoma Canada | Oakville |
| Métis Nation of Ontario, Brampton | Brampton |
| MitoCanada Foundation | Oakville |
| MS Canada | Toronto Downtown Central |
| Muscular Dystrophy Canada - Ontario Regional Office | Toronto Downtown North |
| Myasthenia Gravis Society of Canada | Ontario |
| National Eating Disorder Information Centre | Toronto Downtown Central |
| National ME / FM Action Network | Ottawa |
| Ontario Association for Families of Children with Communication Disorders | Woodstock |
| Ontario Federation for Cerebral Palsy | North York Central |
| Ontario Health - Cancer Care Ontario | Toronto Downtown Central |
| Ontario HIV Treatment Network (The) | Toronto Downtown North |
| Ontario Prader-Willi Syndrome Association | York |
| Ontario. Ministry of Health, Sexual Health Infoline Ontario | Toronto Downtown |
| Osteoporosis Canada | North York East |
| Ovarian Cancer Canada | Toronto Downtown Central |
| Parachute | Toronto |
| Parkinson Canada | North York |
| PKD Foundation of Canada | Etobicoke Central |
| Project Autism Canada | Halton Region |
| Robbie's Rainbow | Oakville |
| ROCK, Danielle's Place - Eating Disorder Support and Resource Centre | Burlington |
| ROCK, Burlington - Head Office, FASD Services | Halton Region |
| Scleroderma Society of Ontario, Scleroderma Society of Ontario Support Groups | Hamilton |
| Service Canada, Disability Benefits | Ottawa |
| Sickle Cell Association of Ontario | Scarborough North |
| Sickle Cell Awareness Group of Ontario | North York |
| St. Joseph's Healthcare Hamilton, Centre for Diabetes Care and Education | Hamilton |
| Stroke Recovery Canada, Burlington Chapter | Burlington |
| Stroke Recovery Canada, Halton Stroke Fellowship | Burlington |
| Tourette Canada, Hamilton, Halton and Niagara Region Chapter | Burlington |
| Tourette Canada | Mississauga |
| Vision Loss Rehabilitation Ontario, Halton-Peel Region, Mississauga Office | Brampton |
| War Amps (The), National Headquarters | Ottawa |
| Wellspring, Online-Based Cancer Support | Toronto |
| Wellspring Birmingham Gilgan House, Community-Based Cancer Support | Oakville |
| West GTA Stroke Network | Etobicoke Central |
| Women's College Hospital, Bay Centre for Birth Control | Toronto |
