| ALS Canada | Toronto Downtown |
| Alzheimer Society of Brant, Haldimand Norfolk, Hamilton Halton, Halton Office | Burlington |
| Aplastic Anemia and Myelodysplasia Association of Canada | Brighton (Municipality of) |
| Arthritis Society Canada, Halton East and Peel Region, Mississauga | Mississauga |
| Asthma Canada | Toronto Downtown |
| Autism Ontario, Halton Chapter - Mailing Address | Burlington |
| Autism Ontario | Toronto Downtown |
| Barth Syndrome Foundation of Canada | Georgetown |
| Bob Rumball Canadian Centre of Excellence for the Deaf, Community Participation Supports - Virtual and Day Program | Milton |
| Brain Injury Association of Peel and Halton | Mississauga |
| Brain Tumour Foundation of Canada | London |
| Breast Cancer Canada | Sarnia |
| Canadian Addison Society (The) | Toronto Downtown |
| Canadian Association of the Deaf | Ottawa |
| Canadian Cancer Society - Ontario Division | Toronto Downtown |
| Canadian Digestive Health Foundation | Oakville |
| Canadian Hard of Hearing Association, Canadian Hard of Hearing Association Advocacy and Support Groups | |
| Canadian Hard of Hearing Association, Ottawa, Canadian Hard of Hearing Association, Ottawa | Ottawa |
| Canadian Hearing Services - Toronto and York Region, Canadian Hearing Services, Mississauga Regional Office | Mississauga |
| Canadian Hearing Services - Toronto and York Region, Canadian Hearing Services, Toronto Regional Office | Toronto |
| Canadian Hemophilia Society, Toronto and Central Ontario Region, Blood Disorders Information and Support | Scarborough |
| Canadian Spondyloarthritis Association | Toronto Downtown |
| CareNow Ontario | Toronto Downtown |
| Celiac Canada | Mississauga |
| Centre for Diverse Learners | Burlington |
| CNIB, Toronto Region, Impaired Vision Information and Support | North York |
| Communication Disabilities Access Canada, Toronto - Online Service | Toronto |
| Community Living North Halton | Milton |
| Crohn's and Colitis Canada | Toronto Downtown |
| Crohn's and Colitis Canada, Halton Region Chapter | Halton Region |
| Cystic Fibrosis Canada | Toronto Downtown |
| Diabetes Canada | Toronto Downtown |
| Dystonia Medical Research Foundation Canada | Toronto Downtown |
| Easter Seals Canada | Toronto Downtown |
| Easter Seals Ontario, West Region - Halton Region District | Burlington |
| EDS Foundation | Oakville |
| Epilepsy South Central Ontario, Mississauga | Mississauga |
| Friendship Bench (The) | Oakville |
| Genetic Aortic Disorders Association Canada | Mississauga |
| Halton Down Syndrome Association | Burlington |
| Heart and Stroke, Ontario Office | Toronto Downtown |
| Hemophilia Ontario | Scarborough |
| Huntington Society of Canada, Family Services | Waterloo |
| Hydrocephalus Canada | Etobicoke |
| Inclusion Canada | Toronto Downtown |
| Institute for Advancements in Mental Health, Toronto | Toronto |
| International Dyslexia Association - Ontario Branch | Ontario |
| 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 |
| Little People of Ontario - LPO | Toronto |
| Liver Canada | Markham |
| Lung Cancer Canada | Toronto Downtown |
| Lung Health Foundation | North York |
| Lymphedema Association of Ontario | Etobicoke |
| Melanoma Canada | Oakville |
| MitoCanada Foundation | Oakville |
| Mood Disorders Association of Ontario, Peer Supports and Services | Toronto |
| MS Canada | Toronto Downtown |
| Muscular Dystrophy Canada - Ontario Regional Office | North York |
| Neurofibromatosis Ontario | Ontario |
| Ontario Association of the Deaf | North York |
| Ontario Autism Coalition | Ontario |
| Ontario Federation for Cerebral Palsy | Etobicoke |
| Ontario HIV Treatment Network (The) | Toronto Downtown |
| Ontario Prader-Willi Syndrome Association | York |
| Osteoporosis Canada | North York |
| Ovarian Cancer Canada | North York |
| Parkinson Canada | North York |
| PKD Foundation of Canada | Etobicoke |
| Sensity Deafblind and Sensory Support Network of Canada, Paris - Main St | Paris |
| Sickle Cell Awareness Group of Ontario | North York |
| Silent Voice Canada | Toronto Downtown |
| Thyroid Foundation of Canada | Bath |
| Tourette Canada | Brampton |
| Vision Loss Rehabilitation Ontario, Halton-Peel Region, Mississauga Office | Mississauga |
| VOICE for Children who are Deaf and Hard of Hearing, Halton/Hamilton/Niagara/Peel Chapter | Oakville |
| War Amps (The), Ottawa - National Headquarters | Ottawa |
