| Advocacy Centre for the Elderly | Toronto |
| Alienated Grandparents Anonymous Ottawa | Ottawa |
| ARCH Disability Law Centre | Toronto |
| Burlington. City Council | Burlington |
| Burlington. City Council, Mayor - Marianne Meed Ward | Burlington |
| Burlington. City Council, Ward 1 City and Regional Councillor - Kelvin Galbraith | Burlington |
| Burlington. City Council, Ward 2 City and Regional Councillor - Lisa Kearns | Burlington |
| Burlington. City Council, Ward 3 City and Regional Councillor - Rory Nisan | Burlington |
| Burlington. City Council, Ward 4 City and Regional Councillor - Shawna Stolte | Burlington |
| Burlington. City Council, Ward 5 City and Regional Councillor - Paul Sharman | Burlington |
| Burlington. City Council, Ward 6 City and Regional Councillor - Angelo Bentivegna | Burlington |
| Burlington. City Hall | Burlington |
| Burlington. City Hall, Service Burlington | Burlington |
| Burlington. Fire Department | Burlington |
| Burlington. Office of the City Clerk, Burlington Seniors Advisory Committee | Burlington |
| Burlington. Roads, Parks and Forestry, Parking Services | Burlington |
| Burlington. Transit | Burlington |
| Canada. Border Services Agency, Border Information Service | Niagara Region |
| Canada. Canada Pension Plan | Toronto |
| Canada. Canada Revenue Agency, Tax Information | Canada |
| Canada. Elections Canada | Gatineau |
| Canada. Global Affairs Canada, Essential Information for Canadian Travellers | Ottawa |
| Canada. Health Canada, Ontario Region, First Nations and Inuit Health Branch | Ottawa |
| Canada. Indigenous Services Canada, Indian Residential Schools Settlement Agreement | Gatineau |
| Canada. Members of Parliament, Milton Electoral District, Federal Constituency Office - Adam van Koeverden | Milton |
| Canada. Members of Parliament, Burlington Electoral District, Federal Constituency Office - Karina Gould | Burlington |
| Canada. Members of Parliament, Oakville North-Burlington Electoral District, Federal Constituency Office - Pam Damoff | Halton Region |
| Canada. Members of Parliament, Oakville Electoral District, Federal Constituency Office - Anita Anand | Oakville |
| Canada. Members of Parliament, Wellington-Halton Hills - Fergus Office, Federal Constituency Office - Michael Chong | Centre Wellington |
| Canada. Office of the Prime Minister | Ottawa |
| Canada. Old Age Security Programs | Toronto |
| Canada. Parks Canada | Gatineau |
| Canada. Veterans Affairs Canada [Toronto area], Bureau of Pensions Advocates, Scarborough Service Centre | Toronto |
| Canada. Veterans Affairs Canada [Toronto area], Mississauga Service Centre | Mississauga |
| Canada. Veterans Affairs Canada [Toronto area], Veterans Ombudsman | Toronto |
| Canadian Alliance of British Pensioners | Toronto |
| Canadian Anti-Fraud Centre | North Bay |
| Canadian Centre for Housing Rights, Eviction Prevention and Tenant Support | Toronto |
| Canadian Coalition for Seniors' Mental Health | Markham |
| Canadian Snowbird Association | Toronto |
| Cangrands National Kinship Support, Mailing Address | Saskatchewan |
| CARP, Halton Chapter | Burlington |
| Chinese and Southeast Asian Legal Clinic | Toronto |
| CLEO | Toronto |
| CLEO, Steps to Justice | Toronto |
| Concerned Friends of Ontario Citizens in Care Facilities | Toronto Downtown North |
| Consent and Capacity Board | Toronto |
| Dying with Dignity Canada | Toronto |
| Elder Abuse Prevention Ontario | Etobicoke Central |
| Estate Administration and Wills, Halton Region | Halton Region |
| Financial Services Regulatory Authority of Ontario | Toronto |
| Halton Community Legal Services | Oakville |
| Halton Hills. Fire Department, Operations and Fire Prevention | Halton Hills |
| Halton Hills. Town Council, Halton Hills Town Hall | Georgetown |
| Halton Hills. Town Council, Halton Hills Town Hall, Mayor - Ann Lawlor | Halton Hills |
| Halton Hills. Town Council, Halton Hills Town Hall, Ward 1 Town Councillor - Alex Hilson | Halton Hills |
| Halton Hills. Town Council, Halton Hills Town Hall, Ward 1 Town Councillor - Mike Albano | Halton Hills |
| Halton Hills. Town Council, Halton Hills Town Hall, Ward 2 Town Councillor - Jason Brass | Halton Hills |
| Halton Hills. Town Council, Halton Hills Town Hall, Ward 2 Town Councillor - Joseph Racinsky | Halton Hills |
| Halton Hills. Town Council, Halton Hills Town Hall, Ward 3 Town Councillor - Chantal Garneau | Halton Hills |
| Halton Hills. Town Council, Halton Hills Town Hall, Ward 3 Town Councillor - Ron Norris | Halton Hills |
| Halton Hills. Town Council, Halton Hills Town Hall, Ward 4 Town Councillor - Bob Inglis | Halton Hills |
| Halton Hills. Town Council, Halton Hills Town Hall, Ward 4 Town Councillor - D'Arcy Keene | Halton Hills |
| Halton Hills. Town Council, Halton Hills Town Hall, Wards 1 and 2 Regional Councillor - Clark Somerville | Halton Hills |
| Halton Hills. Town Council, Halton Hills Town Hall, Wards 3 and 4 Regional Councillor - Jane Fogal | Halton Hills |
| Halton Hills. Transportation and Public Works, Parking | Halton Hills |
| Halton. Regional Municipality of Halton, Access Halton - Government Information Centre | Oakville |
| Halton. Regional Municipality of Halton, Access Halton - Regional Services Information | Oakville |
| Halton. Regional Municipality of Halton, Members of Regional Council | Oakville |
| Halton. Social and Community Services, Older Adult Advisory Committee | Oakville |
| Health Services Appeal and Review Board | Toronto Downtown Central |
| How to Find - Legal Help and Information, Halton Region | Halton Region |
| Law Society of Ontario, Law Society Referral Service | Toronto |
| Legal Aid Ontario | Toronto |
| Legal Line, Online Services | Toronto |
| Links2Care, Oakville, Care at Home for Seniors and Adults with Disabilities | Oakville |
| Métis Nation of Ontario, Toronto Regional Office | Toronto Downtown East |
| Milton. Fire and Rescue Services | Milton |
| Milton. Town Council | Milton |
| Milton. Town Council, Milton Town Hall, Mayor - Gordon Krantz | Milton |
| Milton. Town Council, Milton Town Hall, Ward 1 Regional Councillor - Colin Best | Milton |
| Milton. Town Council, Milton Town Hall, Ward 1 Town Councillor - Kristina Tesser Derksen | Milton |
| Milton. Town Council, Milton Town Hall, Ward 2 Regional Councillor - Rick Malboeuf | Milton |
| Milton. Town Council, Milton Town Hall, Ward 2 Town Councillor - John Challinor II | Milton |
| Milton. Town Council, Milton Town Hall, Ward 3 Regional Councillor - Sammy Ijaz | Milton |
| Milton. Town Council, Milton Town Hall, Ward 3 Town Councillor - Adil Khalqi | Milton |
| Milton. Town Council, Milton Town Hall, Ward 4 Regional Councillor - Sameera Ali | Milton |
| Milton. Town Council, Milton Town Hall, Ward 4 Town Councillor - Sarah Marshall | Milton |
| Milton. Town Hall | Milton |
| Milton. Transit | Milton |
| Municipal Property Assessment Corporation, Online Service, Find a Municipal Property Assessment Corporation Office | |
| National Pensioners Federation | Mississauga |
| Oakville. Fire Department, Fire Services | Oakville |
| Oakville. Municipal Enforcement Services, Parking Operations | Oakville |
| Oakville. Recreation and Culture, Sir John Colborne Recreation Centre for Seniors, Seniors Working Action Group | Oakville |
| Oakville. ServiceOakville, Municipal Services | Oakville |
| Oakville. Town Council | Oakville |
| Oakville. Town Council, Mayor - Rob Burton | Oakville |
| Oakville. Town Council, Ward 1 Town and Regional Councillor - Sean O'Meara | Oakville |
| Oakville. Town Council, Ward 1 Town Councillor - Jonathan McNeice | Oakville |
| Oakville. Town Council, Ward 2 Town and Regional Councillor - Cathy Duddeck | Oakville |
| Oakville. Town Council, Ward 2 Town Councillor - Ray Chisholm | Oakville |
| Oakville. Town Council, Ward 3 Town and Regional Councillor - Janet Haslett-Theall | Oakville |
| Oakville. Town Council, Ward 3 Town Councillor - Dave Gittings | Oakville |
| Oakville. Town Council, Ward 4 Town and Regional Councillor - Allan Elgar | Oakville |
| Oakville. Town Council, Ward 4 Town Councillor - Peter Longo | Oakville |
| Oakville. Town Council, Ward 5 Town and Regional Councillor - Jeff Knoll | Oakville |
| Oakville. Town Council, Ward 5 Town Councillor - Marc Grant | Oakville |
| Oakville. Town Council, Ward 6 Town and Regional Councillor - Tom Adams | Oakville |
| Oakville. Town Council, Ward 6 Town Councillor - Natalia Lishchyna | Oakville |
| Oakville. Town Council, Ward 7 Town and Regional Councillor - Nav Nanda | Oakville |
| Oakville. Town Council, Ward 7 Town Councillor - Scott Xie | Oakville |
| Oakville. Transit | Oakville |
| Older Women's Network | Toronto |
| OmbudService for Life and Health Insurance, Online Services | Toronto |
| Ombudsman for Banking Services and Investments | Toronto |
| Ombudsman Ontario | Toronto |
| Ontario Ministry of Municipal Affairs and Housing, Landlord and Tenant Board Southern Office, Ontario Landlord and Tenant Board | Hamilton |
| Ontario Society of Senior Citizens' Organizations | Toronto |
| Ontario. Elections Ontario | Toronto |
| Ontario. Members of Provincial Parliament, Burlington Riding, Provincial Constituency Office – Natalie Pierre | Burlington |
| Ontario. Members of Provincial Parliament, Milton Riding, Provincial Constituency Office - Parm Gill | Milton |
| Ontario. Members of Provincial Parliament, Oakville North-Burlington Riding, Provincial Constituency Office - Effie Triantafilopoulos | Oakville |
| Ontario. Members of Provincial Parliament, Oakville Riding, Provincial Constituency Office - Stephen Crawford | Oakville |
| Ontario. Members of Provincial Parliament, Wellington-Halton Hills Riding, Provincial Constituency Office - Ted Arnott | Centre Wellington |
| Ontario. Ministry for Seniors and Accessibility | Toronto |
| Ontario. Ministry of Children, Community and Social Services, Burlington Office, Ontario Disability Support Program | Burlington |
| Ontario. Ministry of Health, Public Health Care | Toronto Downtown Central |
| Ontario. Ministry of Health, Ontario Health Insurance Plan | Toronto Downtown Central |
| Ontario. Ministry of Health - Medical assistance in dying and end-of-life decisions, Public Health Care | Toronto Downtown Central |
| Ontario. Ministry of Long-Term Care, Reports on Long-Term Care Homes | Toronto Downtown Central |
| Ontario. Ministry of the Attorney General, Milton Courthouse, Ontario Court of Justice - Criminal Court | Milton |
| Ontario. Ministry of the Attorney General, Burlington, Ontario Court of Justice - Criminal Court | Burlington |
| Ontario. Ministry of the Attorney General, Burlington, Ontario Court of Justice - Criminal Youth Court | Burlington |
| Ontario. Ministry of the Attorney General, Burlington, Superior Court of Justice - Small Claims Court | Burlington |
| Ontario. Ministry of the Attorney General, Milton Courthouse, Ontario Court of Justice - Criminal Youth Court | Milton |
| Ontario. Ministry of the Attorney General, Milton Courthouse, Ontario Court of Justice - Family Court | Milton |
| Ontario. Ministry of the Attorney General, Milton Courthouse, Superior Court of Justice - Civil Court | Milton |
| Ontario. Ministry of the Attorney General, Milton Courthouse, Superior Court of Justice - Criminal Court | Milton |
| Ontario. Ministry of the Attorney General, Milton Courthouse, Superior Court of Justice - Family Court | Milton |
| Ontario. Ministry of the Attorney General, Milton Courthouse, Superior Court of Justice - Small Claims Court | Milton |
| Ontario. Ministry of the Attorney General, Hamilton Services, Office of the Public Guardian and Trustee | Hamilton |
| Ontario. Ministry of the Attorney General. Office of the Public Guardian and Trustee | Toronto |
| Ontario. Ministry of the Environment, Conservation and Parks, Public Information Centre | Toronto |
| Ontario. Premier (Doug Ford) | Toronto |
| Patient Ombudsman | Toronto Downtown Central |
| Psychiatric Patient Advocate Office, Toronto Office | Toronto |
| Retired Teachers of Ontario, Halton District 15 - No Physical Address | Halton Region |
| Retirement Homes Regulatory Authority | Toronto Downtown Central |
| Service Canada, Guelph, Service Canada Centre | Guelph |
| Service Canada, Service Canada, Mississauga Service Canada Centre | Mississauga |
| Service Canada, Passport Canada | Ottawa |
| Service Canada, Federal / Provincial / Territorial Ministers Responsible for Seniors Forum | Ottawa |
| Service Canada - Halton Region, Oakville, Federal Government Services | Oakville |
| Service Canada - Halton Region, Burlington, Federal Government Services | Burlington |
| Service Canada - Halton Region, Georgetown, Federal Government Services | Georgetown |
| Service Canada - Halton Region, Milton, Federal Government Services | Milton |
| Service Canada Hamilton Locations, Flamborough Municipal Service Centre, Canadian Passport Service | Flamborough |
| Service Canada Hamilton Locations, Hamilton Mountain Service Canada Centre and Passport Services, Canadian Passport Service | Hamilton |
| ServiceOntario, ServiceOntario, Brampton North Service Counter | Brampton |
| ServiceOntario, ServiceOntario, Brampton South Service Counter | Brampton |
| ServiceOntario, ServiceOntario, Mississauga - Dundas St W Service Counter | Mississauga |
| ServiceOntario, Accessible Parking Permit | Toronto |
| ServiceOntario, Silvercreek and Highway 6 (Guelph), Provincial Government Services | Guelph |
| ServiceOntario, Stone Road and Gordon (Guelph), Provincial Government Services | Guelph |
| ServiceOntario - Halton Region, Burlington - West Service Counter, Provincial Government Services | Burlington |
| ServiceOntario - Halton Region, Burlington - East Service Counter, Provincial Government Services | Burlington |
| ServiceOntario - Halton Region, Georgetown Service Counter, Provincial Government Services | Georgetown |
| ServiceOntario - Halton Region, Milton - Highpoint Service Counter, Provincial Government Services | Milton |
| ServiceOntario - Halton Region, Milton - Milton Mall Service Counter, Provincial Government Services | Milton |
| ServiceOntario - Halton Region, Oakville - Dorval Crossing East Service Counter, Provincial Government Services | Oakville |
| ServiceOntario - Halton Region, Oakville - Pacific Road Service Counter, Provincial Government Services | Oakville |
| ServiceOntario - Halton Region, Oakville - Staples Service Counter, Provincial Government Services | Oakville |
| ServiceOntario - Halton Region, Oakville - Trafalgar Village Service Counter, Provincial Government Services | Oakville |
| United Senior Citizens of Ontario | Toronto |
| Veteran Affairs Canada, Veterans Affairs Canada, Hamilton District Office | Hamilton |
| Women's Centre of Halton (The), Legal Clinic and Advocacy | Oakville |
| Women's Centre of Halton (The), Oakville Office, Support Groups and Workshops | Oakville |
| Women's Centre of Halton (The), One-on-One Support Services | Oakville |
