| Alcohol and Gaming Commission of Ontario, Head Office | Toronto |
| Architectural Conservancy of Ontario, Stratford-Perth County Branch | Stratford |
| Army, Navy, and Air Force Veterans in Canada, Stratford, Unit 261 - Stratford | Stratford |
| Army, Navy, and Air Force Veterans in Canada, St Marys Branch 265 | St Marys |
| Arthritis Society Canada | Toronto Downtown Central |
| Atwood Lions Club | North Perth |
| Brain Injury Association of London and Region - Perth Huron, Avondale United Church, Perth County Social Leisure Group | Stratford |
| Brain Injury Association of London and Region - Perth Huron, Local Community Food Centre, Perth County Support Group | Stratford |
| Canada Mortgage and Housing Corporation, Ontario | Toronto |
| Canada. Members of Parliament [Central East], Perth Wellington Riding, Federal Constituency Office - Perth-Wellington Riding - John Nater MP | Stratford |
| Canadian Centre for Housing Rights, Eviction Prevention and Tenant Support | Toronto |
| Canadian Centre for Rural Creativity | Blyth |
| Canadian Federation of University Women, Stratford - Mailing Address Only, CFUW Stratford Club | Stratford |
| Change Her World | Stratford |
| Children's Mental Health Ontario | Toronto |
| Cystic Fibrosis Canada | Toronto Downtown North |
| Diabetes Canada | Toronto Downtown Central |
| Dublin & District Lions Club | West Perth |
| Dying with Dignity Canada | Toronto |
| Education Quality and Accountability Office | Toronto Downtown |
| Elder Abuse Prevention Ontario | Etobicoke Central |
| Emily Murphy Centre, Emily Murphy Centre, Stratford | Stratford |
| Exeter Lions Club, District A - 15 | South Huron |
| Family Services Perth-Huron, Stratford, Connecting Seniors | Stratford |
| Foundation for Education Perth Huron, Foundation for Education | Huron East |
| Four County Labour Market Planning Board, Huron Perth, Stratford-Bruce Peninsula Economic Region Workforce Board | Brockton |
| Friendship Force of Stratford and St Marys | Stratford |
| Gravelridge Women's Institute, Gravelridge - No Physical Address | Milverton |
| Hemophilia Ontario | Scarborough North |
| Human Rights Tribunal of Ontario | Toronto |
| Huron Domestic Assault Review Team | Huron County |
| Huron Emergency Management | Huron County |
| Huron Perth Community Support Services Network, Clinton | Bluewater |
| Huron Perth District Women's Institute, Perth and Huron County - Mailing Address | Listowel |
| Huron Perth Public Health, Mailing Address - Stratford, Volunteer Opportunities | Stratford |
| Huron Perth Public Health, Stratford - West Gore St., Huron Perth Public Health - Stratford Office | Stratford |
| Huron-Perth Women for the Support of Agriculture, Women for the Support of Agriculture - Huron / Perth District | West Perth |
| Hydrocephalus Canada | Etobicoke Central |
| Independent Order of Odd Fellows, Exeter, Lodge 67 | Exeter |
| Independent Order of Odd Fellows, Stratford - The Grand Lodge of Ontario, Avon Lodge #41 | Stratford |
| IODE, Festival Jubilee Chapter | Stratford |
| Kids First Huron Perth | Perth County |
| Kin Canada, Listowel, Listowel Kinsmen Club | Listowel |
| Kin Canada, Mailing Address Only, Kinsmen Club of Monkton & District | Monkton |
| Kin Canada, Mailing Address Only, St Marys Kinsmen Club | St Marys |
| Kin Canada, Stratford, Stratford Kinsmen Club | Stratford |
| Kiwanis Club of Stratford, Army-Navy Hall | Stratford |
| Knights of Columbus, Stratford, Stratford Kilroy Council 1431 | Stratford |
| Knights of Columbus, Mitchell, Mitchell Monsignor T J McCarthy Council 9252 | Mitchell |
| Knights of Columbus, Listowel, Listowel Mary and Joseph Council 8168 | Listowel |
| Lake Huron Coastal Centre, No Physical Address | Goderich |
| Leukemia and Lymphoma Society of Canada - Ontario Region | North York East |
| Lily Dempsey Women's Institute, North Perth - No Physical Address | North Perth |
| Lions Club of Monkton | North Perth |
| Lions Club of Stratford | Stratford |
| Lions Club, Milverton, Milverton, Lions Club of Milverton | Perth East |
| Masonic Lodge, Listowel Masonic Hall, Bernard Lodge 225 | Listowel |
| Masonic Lodge, Mitchell, Tudor 141 A.F. & A.M. | Mitchell |
| Masonic Lodge, St Marys, St James-Tecumseh Masonic Lodge No. 73 | St Marys |
| McConnell Club | St Marys |
| Ministry of Children, Community and Social Services (MCCSS), Stratford, Ontario Disability Support Program | Stratford |
| Mitchell Lions Club, Mailing Address Only | |
| Motherwell Women's Institute, St Marys - Mailing Address | Perth South |
| Muscular Dystrophy Canada - Ontario Regional Office | Toronto Downtown North |
| North Perth Arts and Culture Council, Mailing Address | North Perth |
| North Perth. Municipal Office | North Perth |
| Ontario Civilian Police Commission | Toronto |
| Ontario College of Trades | Toronto Downtown |
| Ontario Health - Trillium Gift of Life Network | Toronto Downtown Central |
| Ontario Motor Vehicle Industry Council | Toronto |
| Ontario. Members of Provincial Parliament (Perth Wellington), Perth Wellington Riding, Provincial Constituency Office - Matthew Rae - Perth-Wellington Riding | Stratford |
| Ontario. Ministry for Seniors and Accessibility | Toronto |
| Ontario. Ministry of Health, Public Health Care | Toronto Downtown Central |
| Ontario. Ministry of Municipal Affairs and Housing. Rental Housing Enforcement Unit | Toronto |
| Ontario. Ministry of Northern Development, Mines, Natural Resources and Forestry, Southern Region - Peterborough | Peterborough |
| Ontario. Ministry of the Attorney General, Toronto, Office for Victims of Crime | Toronto Downtown |
| Ontario. Office of the Worker Adviser, Scarborough Office, Ontario. Office of the Worker Adviser, Scarborough Office | Toronto |
| Optimist Club, No Physical Address, Festival City (Stratford, Co-ed) | Stratford |
| Optimist Club of Ellice, Club 46069 Zone 1 | Rostock |
| Optimist Club of Mitchell, Club 46136 Zone 1 | Mitchell |
| Optimist Club of Mornington, Club 46145 Zone 1 | Milverton |
| Optimist Club of Stratford, Stratford Legion, Club 46220 Zone 1 | Stratford |
| Optimist International, Seaforth & District, Optimist Club - Club 46923 Zone 2 | Seaforth |
| Optimist International, St Pauls, Optimist Club of Downie - Club 46051 Zone 1 | St Pauls |
| Optimist International, Shakespeare, Optimist Club 46203 Zone 1 | Shakespeare |
| Order of The Eastern Star, St Marys - Mailing Address, Order of the Eastern Star - Chapter 121 | St Marys |
| Period Poverty Task Force, Various Sites | |
| Perth County Federation of Agriculture, Mailing Address | |
| Perth County. Municipal Office | Stratford |
| Perth East. Municipal Office, Milverton - Mill St E, Municipal Office | Perth East |
| Perth Elder Abuse Committee, Online / Web Service | Stratford |
| Perth South. Municipal Office, St. Pauls - Road 122 | Perth South |
| PFLAG Canada, Waterloo-Wellington-Perth Chapter | Ontario |
| Poverty to Prosperity (P2P) | Huron County |
| Prisoners HIV / AIDS Support Action Network, Prisoners HIV/AIDS Support Action Network | Toronto |
| Prosper Canada | Toronto |
| Quality In Lifelong Learning Network, QUILL Learning Network, Literacy and Basic Skills Support Organization | Seaforth |
| Rotary Club of Festival City Stratford, Zion Lutheran Church | Stratford |
| Rotary Club of Mitchell, Mitchell | West Perth |
| Rotary Club of St. Marys, St. Marys | St Marys |
| Rotary Club of Stratford | Stratford |
| Royal Canadian Legion, Goderich, Goderich Branch 109 - Ladies Auxiliary | Goderich |
| Royal Canadian Legion, Listowel, Listowel Branch 259 | Listowel |
| Royal Canadian Legion, Mitchell Legion Branch 128, Mitchell Branch 128 | Mitchell |
| Royal Canadian Legion, RCL Branch 8 Stratford, Stratford Branch 8 | Stratford |
| Royal Canadian Legion, Seaforth Branch 156 | Seaforth |
| Seaforth Lions Club, Mailing Address | Huron East |
| St Marys Public Library, Friends of the St Marys Public Library | St Marys |
| St Marys. Municipal Office, St. Marys - Queen St | St Marys |
| St. Marys Kinette Club, St. Mary's - Mailing Address Only | St Marys |
| St. Marys Lions Club | St Marys |
| Stratford and District Right to Life, Mailing Address | Stratford |
| Stratford Perth Community Foundation | Stratford |
| Stratford. Municipal Office, City Hall Annex - 82 Erie St - 1st floor, Social Services Department - Ontario Works | Stratford |
| Stratford. Municipal Office, Stratford City Hall | Stratford |
| Stratford-on-Avon Shrine Club, Stratford Avon Shrine Club | Stratford |
| United Way Perth-Huron, Social Research and Planning Council | Stratford |
| United Way Perth-Huron | Stratford |
| West Perth. Municipal Office, Municipal Office - Wellington St | West Perth |