| Acoustic Neuroma Association of Canada | Toronto |
| Autism Ontario, Halton Chapter - Mailing Address | Burlington |
| Autism Ontario | Toronto Downtown |
| Autism Resource Hub, Online Support Materials for Autism | Mississauga |
| Bob Rumball Canadian Centre of Excellence for the Deaf | Milton |
| Bob Rumball Canadian Centre of Excellence for the Deaf, PAH! - Children and Youth Mental Health Services | Milton |
| Brain Injury Association of Peel and Halton | Mississauga |
| Canadian Association of the Deaf, Consultation and Information | Ottawa |
| Canadian Hard of Hearing Association, Canadian Hard of Hearing Association Advocacy and Support Groups | Hamilton |
| Canadian Hard of Hearing Association, Ottawa, Support Services | Ottawa |
| Canadian Spondyloarthritis Association | Toronto Downtown |
| CareNow Ontario | Toronto Downtown |
| 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 |
| Learning Disabilities Association of Ontario | Etobicoke |
| Lymphedema Association of Ontario | Etobicoke |
| Mind Forward Brain Injury Services | Mississauga |
| Mood Disorders Association of Ontario, Peer Supports and Services | Toronto |
| MS Canada, Toronto | Toronto Downtown |
| Myasthenia Gravis Society of Canada | Ontario |
| Ontario Federation for Cerebral Palsy | Etobicoke |
| Ontario Prader-Willi Syndrome Association | York |
| Ontario Track3 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 Region, Halton Hills Community, Special Olympics Ontario | Halton Hills |
| Special Olympics Ontario - Halton Region, Burlington Community - Mailing Address, Special Olympics Ontario | Burlington |
| Special Olympics Ontario - Halton Region, Milton Community, Special Olympics Ontario | Milton |
| Special Olympics Ontario - Halton Region, Oakville Community - Mailing Address, Special Olympics Ontario | Oakville |
| Spinal Cord Injury Ontario | North York |
