| Acoustic Neuroma Association of Canada | Toronto |
| Autism Ontario, Halton Chapter - Mailing Address | Burlington |
| Autism Ontario | Toronto Downtown West |
| Bob Rumball Canadian Centre of Excellence for the Deaf | Milton |
| Bob Rumball Canadian Centre of Excellence for the Deaf, PAH! | Milton |
| Brain Injury Association of Peel and Halton | Mississauga |
| Canadian Association of the Deaf | Ottawa |
| 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 Spondyloarthritis Association | Toronto Downtown |
| CareNow Ontario | Toronto Downtown East |
| Centre for Diverse Learners | Burlington |
| Community Living Burlington | Burlington |
| Community Living North Halton | Milton |
| Community Living Oakville | Oakville |
| DeafBlind Ontario Services | Newmarket |
| Genetic Aortic Disorders Association Canada | Mississauga |
| Golden Horseshoe Disabled Sports Association, Vipers Wheelchair Basketball | Burlington |
| Halton Down Syndrome Association | Burlington |
| Inclusion Canada | Toronto Downtown Central |
| Learning Disabilities Association of Ontario | Etobicoke |
| Leukemia and Lymphoma Society of Canada, Ontario Region | North York East |
| Lymphedema Association of Ontario | Etobicoke South |
| Mind Forward Brain Injury Services, Mississauga - Head Office | Mississauga |
| Mood Disorders Association of Ontario, Peer Supports and Services | Toronto |
| MS Canada | Toronto Downtown Central |
| Myasthenia Gravis Society of Canada | Ontario |
| Ontario Federation for Cerebral Palsy | Etobicoke North |
| Ontario Prader-Willi Syndrome Association | York |
| Ontario Track 3 Adaptive Sports Association | Milton |
| Scleroderma Society of Ontario, Scleroderma Society of Ontario Support Groups | Hamilton |
| Sensity Deafblind and Sensory Support Network of Canada, Paris - Main St | Paris |
| Special Olympics Ontario, Halton Hills Community | Halton Hills |
| Special Olympics Ontario, Burlington Community - Mailing Address | Burlington |
| Special Olympics Ontario, Milton Community | Milton |
| Special Olympics Ontario, Oakville Community - Mailing Address | Oakville |
| Spinal Cord Injury Ontario | North York Central |
