| AccessOAP | Toronto |
| Asperger's Society of Ontario | Toronto Downtown North |
| Ausum Charity for Autism | Streetsville |
| Autism Ontario, Halton Chapter - Mailing Address | Burlington |
| Autism Ontario | Toronto Downtown West |
| Burlington Able Sail | Burlington |
| Central West Specialized Developmental Services, Developmental Services | Oakville |
| Central West Specialized Developmental Services, Halton Support Services | Oakville |
| Centre for Diverse Learners | Burlington |
| Community Living Burlington | Burlington |
| Community Living North Halton | Milton |
| Community Living North Halton, Services for Children and Youth | Milton |
| Community Living Oakville | Oakville |
| Community Living Oakville, Residential Services | Oakville |
| ErinoakKids Centre for Treatment and Development, ErinoakKids Centre for Treatment and Development, Brampton Office | Brampton |
| Geneva Centre for Autism | Toronto Downtown North |
| Halton Regional Police Service, Project Lifesaver | Oakville |
| Halton. Social and Community Services - Children's Services, Children's Developmental Services | Oakville |
| Jake's House | Mississauga |
| Joy of Learning Centre | Oakville |
| Kerry's Place Autism Services, Kennedy Mississauga Resource Centre | Mississauga |
| Ontario Autism Coalition | Ontario |
| Ontario Federation for Cerebral Palsy | North York Central |
| Ontario. Ministry of Children, Community and Social Services, Ontario Autism Program | Toronto |
| Project Autism Canada | Halton Region |
| ROCK, Autism and Behavioural Services | Halton Region |
| SocialliiASD, EmploymentWorks | Burlington |
| We Rock the Spectrum Kid's Gym | Oakville |
| Wildwood Academy | Oakville |
| Woodview Mental Health and Autism Services | Burlington |
| Woodview Mental Health and Autism Services, Woodview Learning Centre | Burlington |
