| Grey Bruce Public Health | Owen Sound |
| Haliburton, Kawartha, Pine Ridge District Health Unit, Port Hope, Port Hope Office | Port Hope (Municipality of) |
| Huron Perth Public Health, Clinton - London Rd, Huron Perth Public Health - Clinton Office | Central Huron |
| Huron Perth Public Health, Stratford - West Gore St., Huron Perth Public Health - Stratford Office | Stratford |
| Peterborough Public Health, Administration, Peterborough - King St | Peterborough |
| Peterborough Public Health, Peterborough - King St, Health Hazard Prevention and Management | Peterborough |
| Simcoe Muskoka District Health Unit, Barrie Head Office - 15 Sperling Dr | Barrie |
| Simcoe Muskoka District Health Unit, Collingwood Branch - 280 Pretty River Pkwy | Collingwood |
| Simcoe Muskoka District Health Unit, Cookstown Branch - 25 King St S | Cookstown |
| Simcoe Muskoka District Health Unit, Gravenhurst Branch - 5 Pineridge Gate | Gravenhurst |
| Simcoe Muskoka District Health Unit, Huntsville Branch - 34 Chaffey St | Huntsville |
| Simcoe Muskoka District Health Unit, Midland Branch - Hugel Ave | |
| Simcoe Muskoka District Health Unit, Orillia Branch - 169 Front St S | Orillia |