| Ad Standards | Toronto |
| Alcohol and Gaming Commission of Ontario, Alcohol and Gaming Regulation | Toronto |
| Amaranth (Township of). Municipal Office, Amaranth, Municipal Office | Amaranth |
| Archipelago (The). Municipal Office | Parry Sound |
| Arran-Elderslie. Municipal Office | Arran-Elderslie |
| Barrie Police Service, Barrie - Fairview Rd, Barrie Police Headquarters | Barrie |
| Barrie Power and Sail Squadron, Mailing Address | Barrie |
| Barrie. Legislative and Court Services Department, Barrie - 70 Collier St, City Clerk's Office | Barrie |
| Barrie. Municipal Office, Barrie - 45 Cedar Pointe Dr, Enforcement Services | Barrie |
| Blue Mountains (The). Municipal Office, Thornbury - Mill St | Blue Mountains |
| Brighton. Municipal Office, Brighton - Alice Street, Administration | Brighton (Municipality of) |
| Brockton. Municipal Office, Walkerton - Scott St | Brockton |
| Bruce Grey Child and Family Services, Owen Sound - 640 2nd Ave E | Owen Sound |
| Brussels & Walton Trailblazers Snowmobile Club, No Physical Address | Huron East |
| Canada. Canadian Food Inspection Agency, Barrie District Office, Canada. Canadian Food Inspection Agency, Barrie District Office | Barrie |
| Canada. Transport Canada, Sarnia, Office of Boating Safety - Pleasure Craft Licences | Sarnia |
| Canada. Transport Canada, Sarnia, Office of Boating Safety - Pleasure Craft Operator Card | Sarnia |
| Canadian Food Inspection Agency, Mitchell District Office, Animals, Importation and Exportation | West Perth |
| Canadian Human Rights Commission, Canada. Canadian Human Rights Commission | Ottawa |
| Cavan Monaghan. Municipal Office | Millbrook |
| Chatsworth (Township of). Municipal Office | Chatsworth |
| Clearview. Municipal Office | Clearview (Simcoe County) |
| Cobourg. Municipal Office, Cobourg Municipal Office | Cobourg |
| College of Audiologists and Speech Language Pathologists of Ontario | Toronto Downtown |
| College of Early Childhood Educators, Toronto, Registered Early Childhood Educators | Toronto |
| College of Physicians and Surgeons of Ontario | Toronto Downtown |
| College of psychologists and behaviour analysts of Ontario (The) | Toronto Downtown |
| College of Registered Psychotherapists of Ontario | Toronto Downtown |
| Collingwood. Municipal Office, Collingwood - Hurontario St | Collingwood |
| Commissionaires, Barrie, Identification Services | Barrie |
| Cramahe (Township of). Municipal Office, Colborne - Toronto St, Cramahe (Township of). Municipal Office Administration | Colborne |
| Douro-Dummer. Municipal Office, Warsaw - South St, Douro-Dummer Municipal Office | Douro-Dummer |
| DriveTest, Peterborough, Driver Examination Centre, Peterborough | Peterborough |
| DriveTest, Port Hope | Port Hope (Municipality of) |
| Drivetest, Stratford | Stratford |
| DriveTest - Orangeville, Orangeville, Driver Examination Centre, Orangeville | Orangeville |
| DriveTest (Central East), Collingwood, Driver Examination Centre, Collingwood | Collingwood |
| DriveTest (Central East), Owen Sound, Driver Examination Centre, Owen Sound | Owen Sound |
| DriveTest (Central East), Walkerton, Driver Examination Centre, Walkerton | Brockton |
| DriveTest / Serco Des, Barrie, Driver Examination Centre | Barrie |
| DriveTest, Clinton, Driver Examination Centre, Clinton | Central Huron |
| Dysart et al. Municipal Office, Haliburton - Maple Ave, By-law Department and Animal Control | Haliburton |
| Georgian Bluffs (Township of). Municipal Office | Owen Sound |
| Grand Valley (Town of), Grand Valley Municipal Office, Grand Valley. Municipal Office | Grand Valley |
| Gravenhurst. Municipal Office | Gravenhurst |
| Grey Highlands. Municipal Office | Grey Highlands |
| Hamilton Township. Municipal Office, Cobourg - Majestic Hills Dr, Municipal Office | Cobourg |
| Hanover. Municipal Office | Hanover |
| Havelock-Belmont-Methuen. Municipal Office | Havelock-Belmont-Methuen |
| Human Resource Services Group Inc | Peterborough |
| Huron-Kinloss. Municipal Office | Ripley |
| Huron-Perth Children's Aid Society, Stratford - 639 Lorne Ave E, Head Office | Stratford |
| Kearney. Municipal Office | Kearney |
| Kincardine. Municipal Office, Municipal Administration Centre | Kincardine |
| Lake of Bays. Municipal Office, Municipal Office | Lake of Bays Township |
| General Topics and Information - Central East, Lost Wallet | Ontario |
| Magnetawan. Municipal Office | Magnetawan |
| Maitland Valley Snowmobile Club | North Perth |
| Meaford. Municipal Office | Meaford |
| Melancthon (Township of), Municipal Office, Melancthon. Municipal Office | Melancthon |
| Milverton and District Snowmobile Club | Perth East |
| Minden Hills. Municipal Office, By-Law, Building, Planning Department, Minden - Milne St | Minden Hills |
| Ministry of Natural Resources, District Office - Peterborough | Peterborough |
| Mono (Town of), Mono. Municipal Office | Mono |
| Mulmur (Township of), Mulmur Municipal Office, Mulmur. Municipal Office | Mulmur |
| Municipal Office. Asphodel-Norwood | Asphodel-Norwood |
| New Canadians Centre, Cobourg - William St, Northumberland Branch | Cobourg |
| North Huron Trail Grooming, Clinton, Snowmobile Club | Central Huron |
| North Kawartha. Municipal Office | Apsley |
| Northern Bruce Peninsula. Municipal Office | Northern Bruce Peninsula |
| General Topics and Information - Central East, Obtaining a Birth Certificate - Births Outside of Canada - Overview | Ontario |
| General Topics and Information - Central East, Obtaining a Birth Certificate - Births Outside of Ontario - Overview | Ontario |
| General Topics and Information - Central East, Obtaining a copy of a Certificate of Divorce Decree | Ontario |
| Ontario Health Regulators, No Physical Address | Brock |
| Ontario Motor Vehicle Industry Council | Toronto |
| Ontario. Ministry for Seniors and Accessibility | Toronto |
| Ontario. Ministry of Education, Toronto, Child Care Quality Assurance and Licensing | Toronto |
| Ontario. Ministry of Health, Toronto - University Avenue, Public Health Care | Toronto Downtown |
| Ontario. Ministry of Labour, Immigration, Training and Skills Development, Mailing Address, Ministry of Labour, Immigration, Training and Skills Development | Peterborough |
| Ontario. Ministry of Labour, Immigration, Training and Skills Development. Employment Practices Branch, Newmarket, Employment Practices Branch, Central Region West, Newmarket | Newmarket |
| Ontario. Ministry of Natural Resources [Central East], Peterborough - Mailing Address, Natural Resources Information and Support Centre | Peterborough |
| Ontario. Ministry of the Attorney General, Barrie Courthouse - Office 301, Superior Court of Justice - Family Court | Barrie |
| Orangeville (Town of), Orangeville. Municipal Office | Orangeville |
| Otonabee-South Monaghan. Municipal Office | Otonabee-South Monaghan |
| Owen Sound. Municipal Office, Owen Sound - 808 2nd Ave E | Owen Sound |
| Parry Sound. Municipal Office | Parry Sound |
| Peterborough (City of). Municipal Office, Peterborough - George St N | Peterborough |
| Port Hope. Municipal Office | Port Hope (Municipality of) |
| S.H.I.F.T, Daytime Drop-In Centre | New Tecumseth |
| Salvation Army Barrie, Barrie - Bayfield St, Community and Family Services | Barrie |
| Saugeen Shores. Municipal Office, Port Elgin - Tomlinson Dr | Saugeen Shores |
| Selwyn. Municipal Office | Selwyn Township |
| Service Canada - Central East, Barrie, Service Canada Centre, Barrie | Barrie |
| Service Canada - Central East, Barrie, Social Insurance Numbers | Barrie |
| Service Canada - Central East, Cobourg, Service Canada Centre | Cobourg |
| Service Canada - Central East, Collingwood, Service Canada Centre | Collingwood |
| Service Canada - Central East, Lindsay, Service Canada Centre | Kawartha Lakes |
| Service Canada - Central East, Owen Sound, Service Canada Centre | Owen Sound |
| Service Canada - Central East, Parry Sound, Service Canada Centre | Parry Sound |
| Service Canada - Central East, Peterborough, Service Canada Centre | Peterborough |
| Service Canada - Central East, Walkerton, Service Canada Centre | Brockton |
| Service Canada - Central East, Wiarton Scheduled Outreach Site, Service Canada Centre - Scheduled Outreach Site | South Bruce Peninsula |
| Service Canada Centres - Perth and Huron Counties, Exeter, Scheduled Outreach Site | South Huron |
| Service Canada Centres - Perth and Huron Counties, Service Canada Centre, Goderich | Goderich |
| Service Canada Centres - Perth and Huron Counties, Stratford, Service Canada Centre | Stratford |
| Service Canada Centres - Perth and Huron Counties, Wingham, Scheduled Outreach Site | North Huron |
| Service Canada Scheduled Outreach Site, Alliston, Federal Government Services | New Tecumseth |
| ServiceOntario, Toronto - 47 Sheppard Ave E, Office of the Registrar General | Toronto |
| ServiceOntario - Central East, Barrie - Bayfield St, Barrie (Bayfield St) Service Counter | Barrie |
| ServiceOntario - Central East, Barrie - Burton Ave, Barrie (Burton Ave) Service Counter | Barrie |
| ServiceOntario - Central East, Barrie - Simcoe St, Barrie (Simcoe St) Service Counter | Barrie |
| ServiceOntario - Central East, Barrie - Worsley St, Barrie Land Registry Office 51 | Barrie |
| ServiceOntario - Central East, Bobcaygeon, Bobcaygeon Service Counter | Kawartha Lakes |
| ServiceOntario - Central East, Bracebridge, Bracebridge Service Counter | Bracebridge |
| ServiceOntario - Central East, Brighton, Brighton Service Counter | Brighton (Municipality of) |
| ServiceOntario - Central East, Burk's Falls, Burk's Falls Service Counter | Burk's Falls |
| ServiceOntario - Central East, Campbellford, Campbellford Service Counter | Campbellford |
| ServiceOntario - Central East, Cobourg Land Registry Office 39, Cobourg | Cobourg |
| ServiceOntario - Central East, Cobourg, Cobourg Service Counter | Cobourg |
| ServiceOntario - Central East, Collingwood, Collingwood Service Counter | Collingwood |
| ServiceOntario - Central East, Durham, Durham Service Counter | West Grey |
| ServiceOntario - Central East, Elmvale, Elmvale Service Counter | Springwater |
| ServiceOntario - Central East, Gravenhurst, Gravenhurst Service Counter | Gravenhurst |
| ServiceOntario - Central East, Huntsville, Huntsville Service Counter | Huntsville |
| ServiceOntario - Central East, Lakefield, Lakefield Service Counter | Selwyn Township |
| ServiceOntario - Central East, Lindsay, Lindsay Service Counter | Lindsay |
| ServiceOntario - Central East, Meaford, Meaford Service Counter | Meaford |
| ServiceOntario - Central East, Midland, Midland Service Counter | Midland |
| ServiceOntario - Central East, Millbrook, Millbrook Service Counter | Cavan Monaghan |
| ServiceOntario - Central East, Minden, Minden Service Counter | Minden Hills |
| ServiceOntario - Central East, Norwood, Norwood Service Counter | Asphodel-Norwood |
| ServiceOntario - Central East, Owen Sound - 1st Ave, Owen Sound Service Counter | Owen Sound |
| ServiceOntario - Central East, Parry Sound - Bay St, Parry Sound Service Counter | Parry Sound |
| ServiceOntario - Central East, Peterborough Land Registry Office 45, Peterborough | Peterborough |
| ServiceOntario - Central East, Peterborough, Peterborough Service Counter | Peterborough |
| ServiceOntario - Central East, Port Elgin, Port Elgin Service Counter | Saugeen Shores |
| ServiceOntario - Central East, Port Hope, Port Hope Service Counter | Port Hope (Municipality of) |
| ServiceOntario - Central East, Sundridge, Sundridge Service Counter | Sundridge |
| ServiceOntario - Central East, Walkerton, Walkerton Service Counter | Brockton |
| ServiceOntario - Central East, Wiarton, Wiarton Service Counter | South Bruce Peninsula |
| ServiceOntario - Dufferin County, Orangeville, Land Registry Office 7 | Orangeville |
| ServiceOntario - Dufferin County, Orangeville, Orangeville Service Counter | Orangeville |
| ServiceOntario - Huron County, Clinton, Huron County Service Counters | Central Huron |
| ServiceOntario - Huron County, Exeter, Huron County Service Counters | South Huron |
| ServiceOntario - Huron County, Goderich, Goderich Full Service Counter | Goderich |
| ServiceOntario - Huron County, Online Service, ONLAND - Ontario Land Registry Access, Huron County | Ontario |
| ServiceOntario - Huron County, Wingham, Huron County Service Counters | North Huron |
| ServiceOntario - Perth County, Listowel, Perth County Service Counters | North Perth |
| ServiceOntario - Perth County, Mitchell, Perth County Service Counters | West Perth |
| ServiceOntario - Perth County, Online Service, ONLAND - Ontario Land Registry Access, Perth County | Ontario |
| ServiceOntario - Perth County, Stratford - 59 Lorne Ave E, Stratford Full Service Counter | Stratford |
| Shelburne (Town of), Shelburne. Municipal Office | Shelburne |
| Simcoe Muskoka Family Connexions, Barrie Office, Child Welfare, Adoption and Foster Care Services | Barrie |
| Simcoe Muskoka Family Connexions, Bracebridge Office, Child Welfare, Adoption and Foster Care Services | Bracebridge |
| Simcoe Muskoka Family Connexions, Collingwood Office, Child Welfare, Adoption and Foster Care Services | Collingwood |
| Simcoe Muskoka Family Connexions, Huntsville Office, Child Welfare, Adoption and Foster Care Services | Huntsville |
| Simcoe Muskoka Family Connexions, Midland Office, Child Welfare, Adoption and Foster Care Services | Midland |
| Simcoe Muskoka Family Connexions, Orillia Office, Child Welfare, Adoption and Foster Care Services | Orillia |
| South Bruce Peninsula. Municipal Office | Wiarton |
| South Bruce. Municipal Office | South Bruce |
| Southgate (Township of). Municipal Office | Southgate |
| Stratford. Municipal Office, Stratford City Hall | Stratford |
| Township of Nipissing. Municipal Office | Nipissing |
| Trent Hills. Municipal Office, Campbellford - Front St S, Municipality of Trent Hills | Trent Hills |
| Trent Lakes. Municipal Office | Trent Lakes |
| University of Toronto, Toronto - 158 St George St, Comparative Education Service | Toronto |
| Wasaga Beach. Municipal Office | Wasaga Beach |
| West Grey. Municipal Office | Durham Region |