| Canadian Nuclear Laboratories, Property Value Protection Program, Port Hope Area Initiative | Port Hope (Municipality of) |
| Critter Cop | Collingwood |
| E K Gillin & Associates Inc | Stratford |
| General Topics and Information - Central East, Flu Clinic Schedules, Central East Ontario | |
| General Topics and Information - Central East, Disease Information and Facts - Zika Virus | |
| General Topics and Information - Central East, Handling Bed Bug Calls | |
| Grey Bruce Public Health | Owen Sound |
| Grey Bruce Public Health, Report A Drug Overdose, No physical location | Owen Sound |
| Grey County., Grey County Housing - Sustainable Housing Benefit, Owen Sound - 9th Ave E | Owen Sound |
| Haliburton, Kawartha, Pine Ridge District Health Unit, Environmental Health Program, Port Hope | Port Hope (Municipality of) |
| Haliburton, Kawartha, Pine Ridge District Health Unit, Port Hope, Port Hope Office | Port Hope (Municipality of) |
| Heinbuch Wildlife Control, No Physical Address | Perth East |
| Human Resource Services Group Inc | Peterborough |
| Huron Perth Public Health, Clinton - London Rd, Food Safety | Central Huron |
| Huron Perth Public Health, Clinton - London Rd, Huron Perth Public Health - Clinton Office | Central Huron |
| Huron Perth Public Health, Clinton - London Rd, Rabies Control | Central Huron |
| Huron Perth Public Health, School Health - Huron County, Clinton - London Rd | Central Huron |
| Huron Perth Public Health, School Health - Perth County, Stratford - West Gore St. | Stratford |
| Huron Perth Public Health, Stratford - West Gore St., Huron Perth Public Health - Stratford Office | Stratford |
| Huronia Urgent Care Clinic | Barrie |
| North Bay Parry Sound District Health Unit, Burk's Falls Office, North Bay Parry Sound District Health Unit, Private Drinking Water Testing | Burk's Falls |
| North Bay Parry Sound District Health Unit, Parry Sound Office, North Bay Parry Sound District Health Unit, Parry Sound Office | Parry Sound |
| Northern Air Quality Services | Barrie |
| Ontario. Ministry of Environment, Conservation and Parks, Barrie Office | Barrie |
| Ontario. Ministry of Labour, Peterborough, Peterborough Enforcement Branch | Peterborough |
| Ontario. Ministry of Labour, Immigration, Training and Skills Development. Employment Practices Branch, Central Region West, Newmarket, Ontario. Ministry of Labour, Immigration, Training and Skills Development. Employment Practices Branch, Central Region West, Newmarket | Newmarket |
| Ontario. Ministry of the Environment, Conservation and Parks, Spills Action Centre | Toronto |
| Peterborough Public Health, Administration, Peterborough - King St | Peterborough |
| Peterborough Public Health, Peterborough - King St, Food Safety | Peterborough |
| Peterborough Public Health, Peterborough - King St, Health Hazard Prevention and Management | Peterborough |
| Peterborough Public Health, Peterborough - King St, Infectious Diseases | Peterborough |
| Peterborough Public Health, Peterborough - King St, Rabies Prevention and Control | Peterborough |
| Public Health Ontario, Orillia Office, Public Health Ontario, Orillia Office | Orillia |
| Rama Health Centre, Rama - Yellowhead Trail | Chippewas of Rama First Nation |
| Ramara Township, Infrastructure, Brechin - 2297 Hwy 12 | Ramara |
| Simcoe Muskoka District Health Unit, Barrie - 80 Bradford St, Clinical Service | Barrie |
| Simcoe Muskoka District Health Unit, Barrie Head Office - 15 Sperling Dr, Environmental Health Department | Barrie |
| Simcoe Muskoka District Health Unit, Barrie Head Office - 15 Sperling Dr | Barrie |
| Simcoe Muskoka District Health Unit, Collingwood Branch - 280 Pretty River Pkwy, Clinical Service | Collingwood |
| Simcoe Muskoka District Health Unit, Collingwood Branch - 280 Pretty River Pkwy, Environmental Health Department | Collingwood |
| Simcoe Muskoka District Health Unit, Collingwood Branch - 280 Pretty River Pkwy | Collingwood |
| Simcoe Muskoka District Health Unit, Cookstown Branch - 25 King St S, Clinical Service | Innisfil |
| Simcoe Muskoka District Health Unit, Cookstown Branch - 25 King St S, Environmental Health Department | Innisfil |
| Simcoe Muskoka District Health Unit, Cookstown Branch - 25 King St S | Cookstown |
| Simcoe Muskoka District Health Unit, Gravenhurst Branch - 5 Pineridge Gate, Clinical Service | Gravenhurst |
| Simcoe Muskoka District Health Unit, Gravenhurst Branch - 5 Pineridge Gate, Environmental Health Department | Gravenhurst |
| Simcoe Muskoka District Health Unit, Gravenhurst Branch - 5 Pineridge Gate | Gravenhurst |
| Simcoe Muskoka District Health Unit, Huntsville Branch - 34 Chaffey St, Clinical Service | Huntsville |
| Simcoe Muskoka District Health Unit, Huntsville Branch - 34 Chaffey St, Environmental Health Department | Huntsville |
| Simcoe Muskoka District Health Unit, Huntsville Branch - 34 Chaffey St | Huntsville |
| Simcoe Muskoka District Health Unit, Midland Branch - Hugel Ave, Clinical Service | Midland |
| Simcoe Muskoka District Health Unit, Midland Branch - Hugel Ave, Environmental Health Department | Midland |
| Simcoe Muskoka District Health Unit, Midland Branch - Hugel Ave | |
| Simcoe Muskoka District Health Unit, Orillia Branch - 169 Front St S, Clinical Service | Orillia |
| Simcoe Muskoka District Health Unit, Orillia Branch - 169 Front St S, Environmental Health Department | Orillia |
| Simcoe Muskoka District Health Unit, Orillia Branch - 169 Front St S | Orillia |
| Wellington-Dufferin-Guelph Public Health, Orangeville, Public Health | Orangeville |
| Wellington-Dufferin-Guelph Public Health, Shelburne, Public Health | Shelburne |
| Workers Health and Safety Legal Clinic | Toronto |