| AbleLiving Services, Burlington - Bethany Residence, Supportive Housing | Burlington |
| AccessOAP | Toronto |
| Adults in Motion, Day Program | Oakville |
| Autism Ontario, Halton Chapter - Mailing Address | Burlington |
| Autism Ontario | Toronto Downtown |
| Best Buddies Canada | Toronto |
| Central West Specialized Developmental Services, Developmental Services | Oakville |
| Central West Specialized Developmental Services, Halton Support Services | Oakville |
| Central West Specialized Developmental Services, Respite Services | Oakville |
| Centre for Diverse Learners | Burlington |
| Community Living Burlington | Burlington |
| Community Living North Halton | Milton |
| Community Living North Halton, Adult Services and Supports | Milton |
| Community Living North Halton, Services for Children and Youth | Milton |
| Community Living Oakville | Oakville |
| Community Living Oakville, Oakville, Community Connect - Day Services | Oakville |
| Community Living Oakville, Oakville, Supported Living | Oakville |
| Community Living Ontario | North York |
| Developmental Services Ontario Central West Region, Access to Services and Supports for Individuals with a Developmental Disability | Milton |
| ErinoakKids Centre for Treatment and Development, Mississauga, Children's Treatment Centre | Mississauga |
| Geneva Centre for Autism | Toronto Downtown |
| Halton Catholic District School Board - Thomas Merton, Oakville Campus, Developmental Disabilities Employment Skills Program (GROW) | Oakville |
| Halton. Social and Community Services - Children's Services, Children's Developmental Services and Family Supports | Oakville |
| How to Find - Dental Care & Free, Low Cost, Emergency & Special Needs Dental Services, Halton Region | Halton Region |
| Inclusion Canada | Toronto Downtown |
| Jake's House, Autism Services | Mississauga |
| Job Centre (The) | Oakville |
| Joy of Learning, Child Development and Private Educational Services | Oakville |
| Karis Disability Services, Developmental Disability Support Services | Waterloo Region |
| Kerry's Place, Kennedy Mississauga Resource Centre | Mississauga |
| March of Dimes Canada (GTA), Community Support Services (Toronto) | Toronto |
| Milton Autism | Milton |
| Ontario Autism Coalition | Ontario |
| Ontario Federation for Cerebral Palsy | Etobicoke |
| 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 | Burlington |
| 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 |
| Sunnybrook Health Sciences Centre, Toronto - Sunnybrook Health Sciences Centre, Bayview Campus | Toronto |
| Woodview Mental Health and Autism Services | Burlington |
| Woodview Mental Health and Autism Services, Woodview Learning Centre | Burlington |
