| Access Midwives, Midwifery Services | Hamilton |
| Adoption Council of Ontario | Toronto |
| Association of Ontario Midwives | Toronto Downtown Central |
| Beginnings Family Services, Beginnings Family Services Hamilton Office | Hamilton |
| Burlington and Area Midwives, East Burlington Office, Midwifery Services | Burlington |
| Burlington and Area Midwives, West Burlington Office, Midwifery Services | Burlington |
| Centre de Santé Communautaire Hamilton/Niagara, Centre de Santé Communautaire Canada Prenatal Nutrition Program | Hamilton |
| College of Midwives of Ontario | Toronto Downtown North |
| Community Midwives of Halton, Oakville | Oakville |
| Community Midwives of Halton, Milton | Milton |
| Halton Baby-Friendly Initiative | Halton Region |
| Halton Healthcare, Georgetown Hospital, Maternity | Halton Hills |
| Halton Healthcare, Milton District Hospital, Maternity | Milton |
| Halton Healthcare, Milton District Hospital, Tender Loving Corner Breastfeeding Clinic and Baby Boutique | Milton |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Maternity | Oakville |
| Halton. Halton Region Public Health, Early Years Health | Oakville |
| Halton. Halton Region Public Health, Halton Prenatal Nutrition Program | Oakville |
| Halton. Halton Region Public Health, Healthy Babies Healthy Children Program | Oakville |
| Hamilton Health Sciences, Infant Parent Program, Ron Joyce Children's Health Centre | Hamilton |
| Hawthorne Midwives | Milton |
| Hope Place Centres, Community Based Addiction Treatment | Halton Hills |
| Joseph Brant Hospital, Maternal and Child Program | Burlington |
| La Leche League, Online Service, Find a La Leche League Group | Ontario |
| Midwives of Brampton and Halton Hills, Midwifery Services | Brampton |
| Midwives of Mississauga | Erin Mills |
| Shifra Homes, Maternity Residence and Resource Centre | Burlington |
| Women's College Hospital, Crossroads Refugee Health Clinic | Toronto |
| Women's College Hospital, Mental Health Program, Reproductive Life Stages Program | Toronto |
