| Alz Well That Enz Well, Inc., Alz Well That Enz Well | Alnwick/Haldimand |
| Alzheimer Society, Peterborough Office, Peterborough, Kawartha Lakes, Northumberland and Haliburton | Peterborough |
| Alzheimer Society Huron Perth, Alzheimer Society Huron Perth, Clinton, First Link, Alzheimer Society Huron Perth | Central Huron |
| Alzheimer Society Huron Perth, North Perth Satellite Office - Listowel, First Link, Alzheimer Society Huron Perth | North Perth |
| Alzheimer Society Huron Perth, St Marys Satellite Location, First Link, Alzheimer Society Huron Perth | St Marys |
| Alzheimer Society Huron Perth, Stratford Office, First Link, Alzheimer Society Huron Perth | Stratford |
| Alzheimer Society Huron Perth, Stratford Office | Stratford |
| Alzheimer Society Huron Perth, Wingham Satellite Location, First Link, Alzheimer Society Huron Perth | North Huron |
| Alzheimer Society Huron Perth, Zurich Satellite Location, First Link, Alzheimer Society Huron Perth | Bluewater |
| Alzheimer Society of Dufferin County | Orangeville |
| Alzheimer Society of Simcoe County, Barrie, Care Partner Support Groups | Barrie |
| Aspire Community & Developmental Services | Barrie |
| Barrie Native Friendship Centre, Barrie - 175 Bayfield St, Akwe:go Program | Barrie |
| Barrie. Recreation and Culture Services, Recreation Programs | Barrie |
| Better Ways for Seniors Ltd., Mobile Service | St Marys |
| Black Fathers Alliance, No Physical Location | Barrie |
| Blacks For All Races, Barrie | Barrie |
| CFS Counselling + Wellbeing, Barrie - Anne St S, MatureMinds | Barrie |
| CFS Counselling + Wellbeing, Barrie - Anne St S, YouthCALL Drop-in Social | Barrie |
| Community Health Centres of Northumberland | Port Hope (Municipality of) |
| Community Living Trent Highlands, Haliburton - Victoria St, Family Support | Haliburton |
| Community Living Trent Highlands, Lindsay - McLaughlin Rd, Family Support | Kawartha Lakes |
| Community Living Trent Highlands, Peterborough - Aylmer St, Family Support | Peterborough |
| Dufferin Child and Family Services, Child and Youth Mental Health | Orangeville |
| Eating Disorders Anonymous, Online/Web Service | Barrie |
| Family Services Perth-Huron, Stratford - Avondale United Church, Seniors Connection & Support Group | Stratford |
| Friends (The), Muskoka & Parry Sound Caregiver's Support Network, Parry Sound | Parry Sound |
| Gilbert Centre for Social and Support Services, Barrie Office, Trans Q of Barrie | Barrie |
| Gilda's Club Simcoe Muskoka | Barrie |
| H.O.P.E. (Homes of Priority Education), Virtual only | Stratford |
| Mitchell and Area Community Outreach, Congregate Dining & Social Programs | West Perth |
| Mitchell and Area Community Outreach, Wellness / Exercise program | West Perth |
| Ontario Parents Advocating for Children with Cancer | Barrie |
| Overeaters Anonymous, Mailing Address, Central Ontario Intergroup | Waterloo |
| Overeaters Anonymous, Wasaga Beach, Wasaga Beach Support Group | Wasaga Beach |
| PARN, Rainbow Youth Program | Peterborough |
| PFLAG Canada, Cobourg / Port Hope Chapter | Cobourg |
| PFLAG Canada, Waterloo-Wellington-Perth Chapter | Ontario |
| PFLAG Canada, No Physical Location, Barrie-Simcoe Chapter | Barrie |
| PFLAG Canada, Grey Bruce Chapter | Owen Sound |
| PFLAG Canada, Peterborough Chapter | Peterborough |
| PFLAG Canada - Stratford ON Chapter, No Physical Address | Stratford |
| Rainbow Service Organization | Peterborough |
| Simcoe County Home School Info Link | Barrie |
| South East Grey Community Health Centre, Dundalk - Artemesia St, Erskine Community Health Centre | Southgate |
| The Rainbow Club of South Georgian Bay, Collingwood | Collingwood |
| TOPS, Perth County Chapters | Stratford |