| Al-Anon, Angus / Borden, District 1 - Love and Hope Group | Adjala-Tosorontio |
| Al-Anon, Bradford, District 18 - Journey to Freedom Group | Bradford West Gwillimbury |
| Al-Anon / Alateen, Barrie - No Physical Address | Barrie |
| Alcoholics Anonymous, Barrie, Barrie and Area Intergroup | Barrie |
| Alcoholics Anonymous South Simcoe, Alliston, Alcoholics Anonymous | New Tecumseth |
| Alcoholics Anonymous South Simcoe, Borden CFB, Alcoholics Anonymous | Adjala-Tosorontio |
| Alcoholics Anonymous South Simcoe, Bradford, Alcoholics Anonymous | Bradford West Gwillimbury |
| Alcoholics Anonymous South Simcoe, Innisfil - Alcona, Alcoholics Anonymous | Innisfil |
| Alcoholics Anonymous South Simcoe, Innisfil - Stroud, Alcoholics Anonymous | Innisfil |
| Alcoholics Anonymous South Simcoe, Tottenham, Alcoholics Anonymous | New Tecumseth |
| ALS Canada, Mailing Address, ALS Canada Community Services | Barrie |
| Alzheimer Society of Simcoe County, Care Partner Support Groups, Barrie | Barrie |
| Aspire Community & Developmental Services | Barrie |
| Autism Ontario [Central East] | Toronto |
| Barrie Native Friendship Centre, Barrie - 175 Bayfield St, Akwe:go Program | Barrie |
| Canadian Mental Health Association. Simcoe County Branch, Online / Telephone Service, Family Caregiver Support Group | |
| CFS Counselling + Wellbeing, MatureMinds, Barrie - Anne St S | Barrie |
| Community Living Association for South Simcoe, Alliston, Parent / Advocate Support Group | New Tecumseth |
| Doane House Hospice | Newmarket |
| Down Syndrome Association of Simcoe County, Mailing Address | Barrie |
| Gam-Anon, Innisfil | Innisfil |
| Gamblers Anonymous, Barrie - No Physical Address | Barrie |
| Gilbert Centre for Social and Support Services, Barrie Office, GenQ | Barrie |
| Gilbert Centre for Social and Support Services, Barrie Office, New Horizons for 2S-LGBTQ+ Older Adults | Barrie |
| Gilbert Centre for Social and Support Services, QT Youth Connection, Barrie Office | Barrie |
| Gilda's Club Simcoe Muskoka | Barrie |
| GrandKin of Simcoe County | Barrie |
| Grandparents Requesting Access and Dignity Society | Toronto Downtown |
| Hospice Simcoe, Bell Farm Rd, Grief and Bereavement Support | Barrie |
| Huronia Transition Homes, Choices for Children | Midland |
| Lupus Ontario, Online/Web Service, Online Support Group | |
| March of Dimes Canada, Barrie - Bryne Dr, Brain Injury Services - Outreach Activity Groups in Simcoe County | Barrie |
| Matthews House, Community and Residential Hospice, Community Support Services, Home Healthcare | New Tecumseth |
| MS Canada | Toronto |
| My Sister's Place | New Tecumseth |
| Nar-Anon Family Groups of Ontario, Barrie - No Physical Address | Barrie |
| Nar-Anon Family Groups of Ontario, Innisfil - Virtual | Innisfil |
| Nar-Anon Family Groups of Ontario, Innisfil | Innisfil |
| Narcotics Anonymous, Georgian Heartland Area | Clearview (Simcoe County) |
| New Path Youth and Family Services of Simcoe County, Barrie Head Office, Parenting Support Programs | Barrie |
| Ontario Parents Advocating for Children with Cancer | Barrie |
| Overeaters Anonymous, Mailing Address, Central Ontario Intergroup | |
| Parents Against Racism Simcoe County, Black Fathers Alliance | Barrie |
| Parents Against Racism Simcoe County, Parent Support Group | Barrie |
| Parents for Children's Mental Health, Simcoe County Chapter | |
| Parkinson Canada, Support Groups | Barrie |
| Patient / Client and Family Council, Penetanguishene | Penetanguishene |
| PFLAG Canada, No Physical Location, Barrie-Simcoe Chapter | Barrie |
| Rainbows For All Children Canada, Canadian National Office, Rainbows For All Children Canada, Canadian National Office | Barrie |
| Seasons Centre for Grieving Children | Barrie |
| Sexaholics Anonymous Ontario, Barrie - No Physical Address, Sexaholics Anonymous Barrie | Barrie |
| Simcoe County Suicide Awareness Council, No Physical Address | Barrie |
| Simcoe Muskoka District Health Unit, Alliston, Breastfeeding Support Group | Alliston |
| Simcoe Muskoka District Health Unit, Bradford, Breastfeeding Support Group | Bradford West Gwillimbury |
| Simcoe Peer Support for Mental Health and Addictions, Collingwood | Collingwood |
| Stroke Recovery Association Barrie and District | Barrie |
| Trinity Anglican Church, Bradford | Bradford West Gwillimbury |
| We Are Warriors! - Canadian MS Collective, Online / Web Service | Canada |
| YMCA of Simcoe/Muskoka, Barrie - Bayfield St, Y Mind Youth | Barrie |