| Barrie and Community Family Health Team, Barrie Primary Care Campus, Prenatal and Well Baby Clinic | Barrie |
| Breastfeeding Network - Stratford & Area | Stratford |
| Collingwood General and Marine Hospital, Collingwood, Collingwood Well Baby Clinic | Collingwood |
| Doula Group (The) | Barrie |
| Full Circle Lactation Services | Barrie |
| Grey Bruce Public Health, Family Health Programs | Owen Sound |
| Hanover Family Health Team, Breastfeeding and Infant Feeding Support | Hanover |
| Huron Pelvic Health, Lactation Consulting Services | Central Huron |
| Huron Perth Public Health, Clinton - London Rd, Huron Perth Public Health - Clinton Office | Central Huron |
| Huron Perth Public Health, Pregnancy and Prenatal Classes, Online/Web Service | Ontario |
| Huron Perth Public Health, Stratford - West Gore St., Huron Perth Public Health - Stratford Office | Stratford |
| Huron Perth Public Health, Breastfeeding Supports | Stratford |
| Jess Kuypers Birth and Breastfeeding - Doula, In Home Care, Doula and Breastfeeding Services | Springwater |
| Kawartha Birth and Lactation, No physical address | Peterborough |
| Listowel-Wingham and Area Family Health Team, North Perth Breastfeeding Clinic, Listowel | North Perth |
| Midland Midwives By the Bay, Georgian Bay Women's Clinic | Midland |
| Mom's 4 Mom's Doula Services, No Physical Address | Oro-Medonte |
| Pam Peca Consulting - IBCLC - Lactation Consultant, Pam Peca Consulting | Springwater |
| Serenity Birth Studio | Barrie |
| Simcoe Muskoka District Health Unit, Alliston, Breastfeeding Support Group | New Tecumseth |
| Simcoe Muskoka District Health Unit, Angus, Prenatal Classes | Angus |
| Simcoe Muskoka District Health Unit, Barrie Head Office - 15 Sperling Dr, Healthy Babies Healthy Children Program | Barrie |
| Simcoe Muskoka District Health Unit, Barrie Head Office - 15 Sperling Dr, Prenatal Classes | Barrie |
| Simcoe Muskoka District Health Unit, Barrie, Breastfeeding Support Group | Barrie |
| Simcoe Muskoka District Health Unit, Bracebridge Public Library, Breastfeeding Support Group | Bracebridge |
| Simcoe Muskoka District Health Unit, Bracebridge, Prenatal Classes | Bracebridge |
| Simcoe Muskoka District Health Unit, Bradford West Gwillimbury Community Hub, Prenatal Classes | Bradford West Gwillimbury |
| Simcoe Muskoka District Health Unit, Bradford, Breastfeeding Support Group | Bradford West Gwillimbury |
| Simcoe Muskoka District Health Unit, Collingwood, Breastfeeding Support Group | Collingwood |
| Simcoe Muskoka District Health Unit, Collingwood, Prenatal Classes | Collingwood |
| Simcoe Muskoka District Health Unit, Huntsville, Prenatal Classes | Huntsville |
| Simcoe Muskoka District Health Unit, Midland Branch - Hugel Ave, Prenatal Classes | Midland |
| Simcoe Muskoka District Health Unit, Orillia Branch - 169 Front St S, Prenatal Classes | Orillia |
| The Good Latch | Barrie |
| Wellington-Dufferin-Guelph Public Health, Orangeville, Public Health | Orangeville |