| Ad Standards | Toronto |
| Alcohol and Gaming Commission of Ontario, Head Office | Toronto |
| Alcohol and Gaming Commission of Ontario, Orillia, Regional Office | Orillia |
| Archipelago (The). Municipal Office | Parry Sound |
| Arran-Elderslie. Municipal Office | Arran-Elderslie |
| Barrie Police Service, Barrie - Fairview Rd, Barrie Police Headquarters | Barrie |
| Barrie Police Service, Barrie - Fairview Rd, Vulnerable Persons Registry | 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. Canadian Human Rights Commission | Ottawa |
| Canada. Members of Parliament - North Simcoe, Midland, Simcoe North Federal Riding - Adam Chambers MP | Midland |
| Canada. Members of Parliament [Central East], Haliburton-Kawartha Lakes-Brock Riding, Federal Constituency Office - Haliburton-Kawartha Lakes-Brock Riding - Jamie Schmale MP | Kawartha Lakes |
| Canada. Transport Canada, Mailing address, Road Transportation | Ottawa |
| 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 Hearing Services, Hearing Care Counselling Program | |
| Canadian Human Rights Commission, National Office | Ottawa |
| Cavan Monaghan. Municipal Office | Millbrook |
| Chatsworth (Township of). Municipal Office | Chatsworth |
| City of Kawartha Lakes Accessibility Advisory Committee | Kawartha Lakes |
| Clearview. Municipal Office | Clearview (Simcoe County) |
| Cobourg. Municipal Office, Cobourg Municipal Office | Cobourg |
| College of Audiologists and Speech Language Pathologists of Ontario | Toronto Downtown North |
| College of Early Childhood Educators | Toronto |
| College of Physicians and Surgeons of Ontario | Toronto Downtown Central |
| College of Psychologists of Ontario (The) | Toronto Downtown North |
| College of Registered Psychotherapists of Ontario | Toronto Downtown |
| Collingwood. Municipal Office, Collingwood - Hurontario St | Collingwood |
| Commissionaires, Barrie, Identification Services | Barrie |
| Cramahe. Municipal Office, Colborne - Toronto St, Cramahe Municipal Office Administration | Cramahe |
| Deaf Access Simcoe Muskoka, Barrie Central Office, Community Support Services | Barrie |
| Douro-Dummer. Municipal Office, Warsaw - South St, Douro-Dummer Municipal Office | Douro-Dummer |
| Drive A Boat Canada, Safe Boating Courses | Gravenhurst |
| DriveTest, Collingwood, Driver Examination Centre, Collingwood | Collingwood |
| DriveTest, Orangeville, Driver Examination Centre, Orangeville | Orangeville |
| DriveTest, Orillia, Driver Examination Centre | Orillia |
| DriveTest, Owen Sound, Driver Examination Centre, Owen Sound | Owen Sound |
| DriveTest, Peterborough, Driver Examination Centre, Peterborough | Peterborough |
| DriveTest, Port Hope | Port Hope (Municipality of) |
| Drivetest, Stratford | Stratford |
| DriveTest, Walkerton, Driver Examination Centre, Walkerton | Brockton |
| DriveTest / Serco Des, Barrie, Driver Examination Centre | Barrie |
| DriveTest Driver Examination Centre, Huntsville | Huntsville |
| DriveTest, Clinton, Driver Examination Centre, Clinton | Central Huron |
| Dysart et al. Municipal Office, Haliburton - Maple Ave, By-law Department and Animal Control | Haliburton |
| Employment Planning and Counselling Peterborough | Peterborough |
| Georgian Bluffs (Township of). Municipal Office | Owen Sound |
| 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 | Huron-Kinloss |
| Huron-Perth Children's Aid Society, Stratford - 639 Lorne Ave E, Head Office | Stratford |
| Independent Living Services Simcoe County, Barrie, Community Development and Training and Consultation | Barrie |
| Independent Living Services Simcoe County, Barrie | Barrie |
| Information and Privacy Commissioner of Ontario | Toronto Downtown |
| Kearney. Municipal Office | Kearney |
| Kincardine Power and Sail Squadron | Kincardine |
| Kincardine. Municipal Office, Municipal Administration Centre | Kincardine |
| Lake of Bays. Municipal Office | Lake of Bays Township |
| Lindsay and District Labour Council | Kawartha Lakes |
| General Topics and Information - Central East, Lost Wallet | |
| Magnetawan. Municipal Office | Magnetawan |
| Maitland Valley Snowmobile Club | North Perth |
| Meaford. Municipal Office | Meaford |
| 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 |
| Mono, Town of, Mono. Municipal Office | Mono |
| Mulmur. Municipal Office | Mulmur |
| Municipal Office. Asphodel-Norwood | Asphodel-Norwood |
| North Huron Trail Grooming, Clinton, Snowmobile Club | Bluewater |
| 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 | |
| General Topics and Information - Central East, Obtaining a Birth Certificate - Births Outside of Ontario - Overview | |
| General Topics and Information - Central East, Obtaining a copy of a Certificate of Divorce Decree | |
| Ontario DriveTest Centre, Lindsay Office | Kawartha Lakes |
| Ontario Motor Vehicle Industry Council | Toronto |
| Ontario. Ministry for Seniors and Accessibility | Toronto |
| Ontario. Ministry of Education, Central East Region, Child Care Quality Assurance and Licensing | Toronto |
| Ontario. Ministry of Environment, Conservation and Parks, Peterborough - Mailing Address, Natural Resources Information and Support Centre | Peterborough |
| Ontario. Ministry of Health, Public Health Care | Toronto Downtown Central |
| 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 Northern Development, Mines, Natural Resources and Forestry, District Office - Peterborough | Peterborough |
| Ontario. Ministry of the Attorney General, Barrie Courthouse - Office 301, Superior Court of Justice - Family Court | Barrie |
| Ontario. Ministry of Transportation, Barrie - Commerce Park Dr, Central Region - International Registration Plan | Barrie |
| ontariohealthregulators.ca, No Physical Address | Brock |
| Orangeville, Town of, Orangeville. Municipal Office | Orangeville |
| Otonabee-South Monaghan. Municipal Office | Keene |
| 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 Program | 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, Barrie, Service Canada Centre, Barrie | Barrie |
| Service Canada, Barrie, Social Insurance Numbers | Barrie |
| Service Canada, Bracebridge, Service Canada Centre | Bracebridge |
| Service Canada, Cobourg, Service Canada Centre | Cobourg |
| Service Canada, Collingwood, Service Canada Centre | Collingwood |
| Service Canada, Goderich Service Canada Centre, Goderich Service Canada Centre | Goderich |
| Service Canada, Huntsville Scheduled Outreach Site, Service Canada Centre - Scheduled Outreach Site | Huntsville |
| Service Canada, Lindsay, Service Canada Centre | Kawartha Lakes |
| Service Canada, Listowel, Listowel Service Canada Centre | North Perth |
| Service Canada, Orangeville, Orangeville Service Canada Centre | Orangeville |
| Service Canada, Orillia, Service Canada, Orillia | Orillia |
| Service Canada, Owen Sound, Service Canada Centre | Owen Sound |
| Service Canada, Parry Sound, Service Canada Centre | Parry Sound |
| Service Canada, Peterborough, Service Canada Centre | Peterborough |
| Service Canada, Walkerton, Service Canada Centre | Brockton |
| Service Canada - Midland, Midland, Service Canada Centre | Midland |
| Service Canada Scheduled Outreach Site, Alliston, Federal Government Services | New Tecumseth |
| Service Canada, Stratford, Stratford, Stratford Service Canada Centre | Stratford |
| ServiceOntario, Alliston, Alliston Service Counter | New Tecumseth |
| ServiceOntario, Barrie - Bayfield St, Barrie (Bayfield St) Service Counter | Barrie |
| ServiceOntario, Barrie - Burton Ave, Barrie (Burton Ave) Service Counter | Barrie |
| ServiceOntario, Barrie - Simcoe St, Barrie (Simcoe St) Service Counter | Barrie |
| ServiceOntario, Barrie - Worsley St, Barrie Land Registry Office 51 | Barrie |
| ServiceOntario, Bobcaygeon, Bobcaygeon Service Counter | Bobcaygeon |
| ServiceOntario, Bracebridge Land Registry Office 35 - Real Property Registration Branch, Bracebridge | Bracebridge |
| ServiceOntario, Bracebridge, Bracebridge Service Counter | Bracebridge |
| ServiceOntario, Bradford, Bradford Service Counter | Bradford West Gwillimbury |
| ServiceOntario, Brighton, Brighton Service Counter | Brighton (Municipality of) |
| ServiceOntario, Broadway and 4th (Orangeville), Orangeville Service Counter | Orangeville |
| ServiceOntario, Campbellford, Campbellford Service Counter | Campbellford |
| ServiceOntario, Cobourg, Cobourg Land Registry Office 39 | Cobourg |
| ServiceOntario, Cobourg, Cobourg Service Counter | Cobourg |
| ServiceOntario, Collingwood, Collingwood Service Counter | Collingwood |
| ServiceOntario, Durham, Durham Service Counter | West Grey |
| ServiceOntario, Elmvale, Elmvale Service Counter | Springwater |
| ServiceOntario, Gravenhurst, Gravenhurst Service Counter | Gravenhurst |
| ServiceOntario, Huntsville, Huntsville Service Counter | Huntsville |
| ServiceOntario, Lakefield, Lakefield Service Counter | Lakefield |
| ServiceOntario, Land Registry Office 7, Broadway and 4th (Orangeville) | Orangeville |
| ServiceOntario, Lindsay, Lindsay Service Counter | Lindsay |
| ServiceOntario, Meaford, Meaford Service Counter | Meaford |
| ServiceOntario, Midland, Midland Service Counter | Midland |
| ServiceOntario, Millbrook, Millbrook Service Counter | Cavan Monaghan |
| ServiceOntario, Minden, Minden Service Counter | Minden |
| ServiceOntario, Mobile Service Centre Burk's Falls, Burk's Falls Service Counter | Burk's Falls |
| ServiceOntario, Norwood, Norwood Service Counter | Norwood |
| ServiceOntario, Office of the Registrar General | Toronto |
| ServiceOntario, Owen Sound - 16th St, Owen Sound Land Registry Office 16 | Owen Sound |
| ServiceOntario, Owen Sound - 1st Ave, Owen Sound Service Counter | Owen Sound |
| ServiceOntario, Parry Sound - Bay St, Parry Sound Service Counter | Parry Sound |
| ServiceOntario, Parry Sound - Miller St, Parry Sound Land Registry Office 42 | Parry Sound |
| ServiceOntario, Peterborough Land Registry Office 45, Peterborough | Peterborough |
| ServiceOntario, Peterborough, Peterborough Service Counter | Peterborough |
| ServiceOntario, Port Elgin, Port Elgin Service Counter | Saugeen Shores |
| ServiceOntario, Port Hope, Port Hope Service Counter | Port Hope (Municipality of) |
| ServiceOntario, Powassan, Powassan Service Counter | Powassan |
| ServiceOntario, Shelburne, County Road 11 (Shelburne) | Shelburne |
| ServiceOntario, Stayner, Stayner Service Counter | Clearview (Simcoe County) |
| ServiceOntario, Sundridge, Sundridge Service Counter | Sundridge |
| ServiceOntario, Walkerton Land Registry Office 3, Walkerton | Brockton |
| ServiceOntario, Walkerton, Walkerton Service Counter | Brockton |
| ServiceOntario, West and Highway 12 (Orillia), Orillia Service Counter | Orillia |
| ServiceOntario, Wiarton, Wiarton Service Counter | South Bruce Peninsula |
| ServiceOntario - Huron County, Clinton, Huron County Service Counters | Bluewater |
| 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 | |
| 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 | |
| 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 | South Bruce Peninsula |
| South Bruce. Municipal Office | South Bruce |
| Southgate (Township of). Municipal Office | Southgate |
| Stratford. Municipal Office, Stratford City Hall | Stratford |
| Township of Amaranth. Municipal Office | Amaranth |
| 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, Comparative Education Service | Toronto |
| Wasaga Beach. Municipal Office | Wasaga Beach |
| Welcome Centre Immigrant Services [Central East], Alliston, Mobile Unit - Alliston | Alliston |
| Welcome Centre Immigrant Services [Central East], Collingwood, Mobile Unit | Collingwood |
| Welcome Centre Immigrant Services [Central East], Mobile Unit - Orillia, Orillia | Orillia |
| Welcome Centre Immigrant Services [Central East], Wasaga Beach, Mobile Unit | Wasaga Beach |
| West Grey. Municipal Office | Durham Region |