| Association of Ontario Doulas, No Physical Address | Toronto |
| Barrie and Community Family Health Team, Barrie Primary Care Campus, Prenatal and Well Baby Clinic | Barrie |
| Barrie Area Native Advisory Circle, Barrie - 125 Bell Farm Rd, Suite 200, Mamaway Wiidokdaadwin Clinic | Barrie |
| Barrie Area Native Advisory Circle, Orillia, Mamaway Wiidokdaadwin Clinic | Orillia |
| Barrie Fertility Centre | Barrie |
| Barrie Midwives | Barrie |
| BRIA Mental Healthcare, Online | Toronto |
| Caring Hands Midwifery Services | New Tecumseth |
| CBI Home Health | Barrie |
| Collingwood General and Marine Hospital | Collingwood |
| Envisage Pregnancy Services, Barrie | Barrie |
| Envisage Pregnancy Services, South Georgian Bay | Collingwood |
| Full Circle Lactation Services | Barrie |
| Lakeside Women's Clinic, Barrie | Barrie |
| Mom's 4 Mom's Doula Services, No Physical Address | Oro-Medonte |
| Orillia Soldiers' Memorial Hospital, North Simcoe Muskoka Regional Genetics Program, Orillia - 170 Colborne St W | Orillia |
| Simcoe Muskoka District Health Unit, Alliston, Breastfeeding Support Group | Alliston |
| Simcoe Muskoka District Health Unit, Angus, Prenatal Classes | Angus |
| Simcoe Muskoka District Health Unit, Barrie - 80 Bradford St, Sexual Health Counselling, Education and Clinic Services | Barrie |
| Simcoe Muskoka District Health Unit, Bradford, Breastfeeding Support Group | Bradford West Gwillimbury |
| Simcoe Muskoka District Health Unit, Bradford, Prenatal Classes | Bradford West Gwillimbury |
| The Good Latch | Barrie |