| Avon Maitland District School Board, Education Centre | Huron East |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Hanover - 425 10th St, Mental Health Court Support Services | Hanover |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1024 2nd Ave E, Peer Support and Information | Owen Sound |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1101 2nd Ave E, Suite 205 | Owen Sound |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1101 2nd Ave E, Suite 206, Mental Health Court Support Services | Owen Sound |
| Canadian Mental Health Association Haliburton, Kawartha, Pine Ridge, At Work/Au Travail Employment Support Program, Peterborough - George St N | Peterborough |
| Canadian Mental Health Association Haliburton, Kawartha, Pine Ridge, Peterborough - 415 Water St, Administration Office | Peterborough |
| Canadian Mental Health Association Haliburton, Kawartha, Pine Ridge, Peterborough - George St N, Peterborough Office | Peterborough |
| Canadian Mental Health Association Haliburton, Kawartha, Pine Ridge, Supportive Housing, Peterborough - George St N | Peterborough |
| Canadian Mental Health Association. Simcoe County Branch, Regional Francophone Navigator | Midland |
| Canadian Mental Health Association. Simcoe County Branch, Online / Telephone Service, System Navigation Support | |
| CCRC, Peterborough - George St N, Professional Counselling Program and Employee Assistance Programs | Peterborough |
| Clearview Community Outreach, Mailing Address | Clearview (Simcoe County) |
| CMHA Huron Perth Addiction and Mental Health Services, Online (phone/Zoom), Crossing Bridges | Stratford |
| CMHA Thames Valley Addiction and Mental Health Services - Huron County Sites, Virtual only, Crossing Bridges | |
| Commonpoint.ca | Collingwood |
| Family Transition Place, Support Within Housing Program | Orangeville |
| Huron Health System - Alexandra Marine and General Hospital, Huron Perth Clinical Intensive Case Management, Goderich - Huron Rd | Goderich |
| Huron Perth Healthcare Alliance, Listowel Wingham Outpatient Building, Listowel Mental Health Outpatient Services | North Perth |
| Huron Perth Healthcare Alliance, Mental Health Services - Huron Perth Helpline and Crisis Response Team, SGH - Special Services Unit - Stratford, SGH - Special Services Unit - Stratford | Stratford |
| Huron Perth Healthcare Alliance, Seaforth - 28 Centennial Dr, Mental Health Services | Huron East |
| Huron Perth Healthcare Alliance, Seaforth - 28 Centennial Dr, Prevention and Early Intervention Program for Psychoses | Huron East |
| Huron Perth Healthcare Alliance, SGH - Special Services Unit - Stratford, Psychiatric Day & Evening Program - Outpatient Individual & Group Counselling | Stratford |
| Jeff Long Counselling | Barrie |
| Kinark Child and Family Services, STRIVE, Peterborough - Kenner Collegiate, 633 Monaghan Road, Peterborough | Peterborough |
| Leads Employment Services, Leads Employment Services, Stratford, Stratford | Stratford |
| Listowel Mental Health Outpatient Services | North Perth |
| Listowel Wingham Hospitals Alliance, Listowel Memorial Hospital | North Perth |
| Listowel Wingham Hospitals Alliance, Wingham and District Hospital | North Huron |
| LOFT Community Services, Supported House Services - South Simcoe Hub, Bradford House | Bradford West Gwillimbury |
| Moose Deer Point First Nation, Mactier - 1025C Mitawbik Rd, Health Services | Georgian Bay Township |
| New Path Youth and Family Services of Simcoe County, Online / Web Service, Expand the Reach | Barrie |
| Nogojiwanong Friendship Centre, Addictions and Mental Health | Peterborough |
| North Simcoe Muskoka Home and Community Care Support Services, Barrie - Sperling Dr, Mental Health and Addictions Nurses - School Program | Barrie |
| Northumberland Hills Hospital, Cobourg - Elgin St W, Community Mental Health Services - Walk-in Counselling Clinic | Cobourg |
| Parents for Children's Mental Health, Stratford Chapter | Stratford |
| Road to Recovery Addiction Clinic, Barrie - Anne St S, Addiction Clinic | Barrie |
| Road to Recovery Addiction Clinic, Barrie - Dunlop St W, Addiction Clinic | Barrie |
| Road to Recovery Addiction Clinic, Bradford, Addiction Clinic | Bradford West Gwillimbury |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr - 3rd Floor, Community Treatment Order Coordination Service | Barrie |
| Simcoe Peer Support for Mental Health and Addictions, People Supporting People, Collingwood | Collingwood |
| St Marys. Municipal Office, St. Marys - Queen St, Community Outreach Worker | St Marys |
| Stevenson Memorial Hospital, Mary McGill Community Mental Health Program | New Tecumseth |
| The Farmers' Toolbox, Online / Web Service | Perth |
| Waypoint Centre for Mental Health Care, Midland - Bayshore Dr, Outpatient Assessment and Treatment Service (OATS) | Midland |
| Wellness Together Canada, No Physical Address | |
| Wendat Community Programs, Midland, Adult Mental Health Services - Case Management Program | Midland |
| Your Support Services Network, Aurora - Head Office | |