| Ontario. Ministry of Children, Community and Social Services | Barrie |
| Ontario. Ministry of Children, Community and Social Services, Barrie - 34 Simcoe St, Ontario Disability Support Program - Employment Support Program | Barrie |
| Ontario. Ministry of Children, Community and Social Services, Barrie - 34 Simcoe St, Ontario Disability Support Program | Barrie |
| Ontario. Ministry of Children, Community and Social Services, Barrie - Bayfield St, Youth Justice Division | Barrie |
| Ontario. Ministry of Children, Community and Social Services, Barrie - Ferris Lane, Passport Program | Barrie |
| Ontario. Ministry of Children, Community and Social Services, Bracebridge Office, Youth Justice Services | Bracebridge |
| Ontario. Ministry of Children, Community and Social Services, Collingwood, Youth Justice Division | Collingwood |
| Ontario. Ministry of Children, Community and Social Services, Huntsville Office, Youth Justice Services | Huntsville |
| Ontario. Ministry of Children, Community and Social Services, Huronia Regional Centre Record Information | Toronto |
| Ontario. Ministry of Children, Community and Social Services, Newmarket Office, Special Services at Home and Assistance for Children with Severe Disabilities | Newmarket |
| Ontario. Ministry of Children, Community and Social Services, Ontario Autism Program | Toronto |
| Ontario. Ministry of Children, Community and Social Services, Orillia, Youth Justice Division | Orillia |
| Ontario. Ministry of Children, Community and Social Services, Oshawa - Mail Address Only, Assistance for Children with Severe Disabilities and Special Services at Home Program | Oshawa |
| Ontario. Ministry of Children, Community and Social Services, Owen Sound Office, Ontario Disability Support Program - Income and Employment Supports | Owen Sound |
| Ontario. Ministry of Children, Community and Social Services, Parry Sound Office, Youth Justice Services | Parry Sound |
| Ontario. Ministry of Children, Community and Social Services, Peterborough Office, Ontario Disability Support Program | Peterborough |
| Ontario. Ministry of Children, Community and Social Services, Peterborough Office, Youth Justice Services, Peterborough Office | Peterborough |
| Ontario. Ministry of Children, Community and Social Services, Peterborough, Peterborough Office | Peterborough |
| Ontario. Ministry of Children, Community and Social Services, Post Adoption Disclosure Unit | Toronto |