| | Organization Name(s) | Located In |
| | Official Website for Child Care In the City of Hamilton | Hamilton (City of) |
 | AlphaBee Inc, Hamilton Location | Hamilton West |
| | Autism Assistance Program | Hamilton |
 | Autism Ontario | Toronto |
| | Autism Ontario, Calypso - Camp Guide | Toronto |
 | Autism Ontario, Hamilton Chapter | Hamilton East - Central Section |
 | Behaviour Institute | Hamilton Central |
 | Catholic Family Services of Hamilton, Developmental Services, Family Support Worker | Hamilton Central |
 | Contact Hamilton for Children's and Developmental Services | Hamilton Central |
 | Contact Hamilton for Children's and Developmental Services, Children's Services | Hamilton Central |
 | Hamilton and District Council of Co-operative Preschools Corporation | Hamilton Mountain West |
 | Hamilton and District Council of Co-operative Preschools Corporation, Integration Program | Hamilton East |
 | Hamilton and District Extend A Family | Hamilton Central |
 | Hamilton District Society for Disabled Children | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Autism Spectrum Disorder Service | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Autism Spectrum Disorder Service, Hamilton Autism Intervention Program | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Child and Youth Mental Health Program | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Child and Youth Mental Health Program, Community Education Service - COPEing With 3 to 12 Year Olds | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Child and Youth Mental Health Program, Outpatient Service - (0-18) | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Developmental Pediatrics and Rehabilitation, Children's Developmental Rehabilitation Programme | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Developmental Pediatrics and Rehabilitation, Specialized Developmental and Behavioural Services | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Special Needs Services, Holbrook Building B-Wing Location | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Technology Access Clinic | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Children's Hospital | Hamilton West |
 | Integration Resources Hub | Hamilton East |
 | Lynwood Charlton Centre, Community Based - Non Residential Services | Hamilton Mountain West |
 | Lynwood Charlton Centre, Residential Services | Hamilton Mountain West |
| | McMaster Perinatal Association | Hamilton West |
 | McMaster University, Department of Athletics and Recreation, Pulse Fitness Centre (The), Superhero Training Academy | Hamilton West |
 | New Horizons Educational Association | Hamilton West |
 | Ontario Prader-Willi Syndrome Association | Toronto |
 | Ontario. Ministry of Community and Social Services and Ministry of Children and Youth Services, Assistance for Children with Severe Disabilities | Hamilton Central |
 | St Matthew's House, Early Childhood Integration Support Services | Hamilton Central |
 | Stoney Creek Disabled Sports Association | Stoney Creek - Lower |
 | Views for the Visually Impaired | Burlington |
 | wm+a, Hamilton Location | Hamilton Central |
 | YMCA of Hamilton / Burlington / Brantford, Helping Hands Day Camp Programs | Hamilton Central |