| Adoption Council of Ontario, Markham - Mailing Address | Markham |
| Beginnings Family Services | Hamilton |
| Child and Family Services Review Board | Toronto |
| Children's Resource and Consultation Centre of Ontario | Toronto |
| Halton Children's Aid Society, Burlington Office | Burlington |
| Halton Children's Aid Society, Milton Office | Milton |
| Jewish Free Loan Toronto | Toronto |
| Muslim Children's Aid and Support Services, Child, Youth and Family Support Services | Toronto |
| Ontario Association of Children's Aid Societies, Toronto, OACAS Member Services | Toronto |
| Ontario Association of Children's Aid Societies, Toronto, YouthCAN | Toronto |
| Ontario. Ministry of Children, Community and Social Services, Mississauga, Ontario. Ministry of Children, Community and Social Services, Mississauga - Central Region | Mississauga |
| Ontario. Ministry of Children, Community and Social Services, Private and International Adoption | Toronto |
| Ontario. Ministry of Children, Community and Social Services | Toronto |
