| Adoption Council of Ontario | Toronto |
| Agriculture Wellness Ontario, No physical address, In the Know | Guelph |
| Alcohol and Gaming Commission of Ontario | Toronto |
| Alzheimer Society Huron Perth, Community Education Programs, Mailing Address Only | Central Huron |
| Alzheimer Society of Muskoka, Finding Your Way | Bracebridge |
| Alzheimer Society of Muskoka, First Link Program | Bracebridge |
| Brightshores Health System, Mental Health Services Department - Dual Diagnosis Program, Owen Sound Hospital | Owen Sound |
| Brightshores Health System, Mental Health Services Department - Prevention and Early Intervention Program for Psychosis, Owen Sound Hospital | Owen Sound |
| Brightshores Health System, Mental Health Services Department, Owen Sound Hospital | Owen Sound |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1024 2nd Ave E, Applied Suicide Intervention Skills | Owen Sound |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1024 2nd Ave E, Family Support Initiative | Owen Sound |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1024 2nd Ave E, Grey Bruce Friends and Neighbours (FAN) Club | Owen Sound |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1024 2nd Ave E, Let's Talk | Owen Sound |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1024 2nd Ave E, Mental Health and Addiction Peer Support (MAPS) Probation and Parole | Owen Sound |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1024 2nd Ave E, Mental Health First Aid Training | Owen Sound |
| 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 - 1024 2nd Ave E, Recovery College | Owen Sound |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1024 2nd Ave E, Talk Today | 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 - 1105 1st Ave E, Housing and Support Services - Apartment Program | Owen Sound |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1105 1st Ave E, Housing and Support Services - Residential Services | Owen Sound |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Various locations, Social Recreation and Rehabilitation/Group Services | Owen Sound |
| Canadian Mental Health Association Haliburton, Kawartha, Pine Ridge, Lindsay - 33 Lindsay St S, Supportive Housing Program | Kawartha Lakes |
| Canadian Mental Health Association, Peel Dufferin Branch, Orangeville Office, Mental Health Supports | Orangeville |
| Canadian Mental Health Association. Simcoe County Branch, Community Awareness Program | Barrie |
| Canadian Mental Health Association. Simcoe County Branch, Early Psychosis Intervention | Barrie |
| Canadian Mental Health Association. Simcoe County Branch, Barrie - 134 Anne St S, Housing Support | Barrie |
| Canadian Red Cross - Simcoe Muskoka, Simcoe Muskoka Branch, Prevention and Safety, First Aid, CPR, Water Safety, Psychological First Aid | Barrie |
| Children's Mental Health Ontario | Toronto |
| Chippewas of Nawash Unceded First Nation, Neyaashiinigmiing - 247 Prairie Rd, Youth Mental Health Program | Neyaashiinigmiing |
| CMHA Huron Perth Addiction and Mental Health Services, Huron County office, CMHA Huron Perth Addiction and Mental Health Services, Goderich | Goderich |
| CMHA Huron Perth Addiction and Mental Health Services, Stratford Office - 10 Downie St, CMHA Huron Perth Addiction and Mental Health Services, Stratford | Stratford |
| CMHA Huron Perth Addiction and Mental Health Services, Stratford Office - 10 Downie St, Phoenix Centre & Peer Support | Stratford |
| College of Psychologists of Ontario (The) | Toronto Downtown North |
| College of Registered Psychotherapists of Ontario | Toronto Downtown |
| Family Mental Health Initiative of Simcoe County | Barrie |
| Georgian Bay Family Health Team | Collingwood |
| Georgian College, Orillia Campus, Student Success - Mental Health and Wellness | Orillia |
| Glowing Hearts Charity, Mental Health Counselling, No Physical Address | Barrie |
| Huron Health System - Alexandra Marine and General Hospital, Goderich - Huron Rd, Huron Perth Clinical Intensive Case Management | Goderich |
| Kinark Child and Family Services, Barrie ABA Centre, Autism Services - Centre-based Applied Behavioural Analysis (ABA) | Barrie |
| Kinark Child and Family Services, STRIVE, Peterborough - Kenner Collegiate, 633 Monaghan Road, Peterborough | Peterborough |
| Mindful Kids Inc., Stratford | Stratford |
| Murray's Windermere Gardens | Barrie |
| National Eating Disorder Information Centre | Toronto Downtown Central |
| Nogojiwanong Friendship Centre, Mental Health and Well-Being Program, Peterborough - 159 King St | Peterborough |
| North Simcoe Youth Wellness Hub, North Simcoe | Midland |
| Patient / Client and Family Council, Penetanguishene | Penetanguishene |
| Peterborough Family Health Team, Anxiety Workshop | Peterborough |
| Peterborough Family Health Team, Mindfulness for Anxiety and Depression | Peterborough |
| Peterborough Regional Health Centre, Mental Health Inpatient Program | Peterborough |
| Peterborough Regional Health Centre, Mental Health Services - Family and Youth Clinic | Peterborough |
| Peterborough Regional Health Centre, Mental Health Services - LYNX Early Psychosis Intervention Program | Peterborough |
| Peterborough Regional Health Centre, Mental Health Services - Psychosis Assessment and Treatment Clinic | Peterborough |
| Play Smart Centre, Rama | Chippewas of Rama First Nation |
| Playsmart Centre, Georgian Downs | Innisfil |
| PTSD The Truth Behind the Smile, United Centre - Stratford | Stratford |
| Rebound Child & Youth Services Northumberland, Mental Health Services | Cobourg |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr - 3rd Floor, Community Treatment Order Coordination Service | Barrie |
| Salvation Army, Stratford - St. Marys Regional Community Ministries, St Marys - Queen St, Family and Community Services and Food Bank, St. Marys | St Marys |
| Saugeen First Nation, Building Healthy Communities, Saugeen First Nation - 47 Mason Dr | |
| School Mental Health Ontario | Hamilton |
| Shelterlink Youth Services | Stratford |
| Shelterlink Youth Services, The Local Community Food Centre, Peer to Peer Support Group | Stratford |
| Simcoe County Suicide Awareness Council, No Physical Address | Barrie |
| Simcoe County, Corporation of, Children and Community Services - Simcoe County Early Intervention Services | Midland |
| Simcoe Muskoka Regional Eating Disorder Program, Royal Victoria Regional Health Centre | Barrie |
| Simcoe Peer Support for Mental Health and Addictions, Collingwood | Collingwood |
| South Georgian Bay Community Health Centre, Wasaga Beach, Community Programs | Wasaga Beach |
| St John Ambulance, Owen Sound Training Centre, MidWestern Ontario | Owen Sound |
| St John Ambulance, Hanover Training Centre, MidWestern Ontario | Hanover |
| St Marys. Municipal Office, St. Marys - Queen St, Community Outreach Worker | St Marys |
| Stevenson Memorial Hospital, Mary McGill Community Mental Health Program | New Tecumseth |
| Tanner Steffler Foundation, TSF Youth Hub | Central Huron |
| The Grey Bruce We C.A.R.E Project | Owen Sound |
| The Guardian Network, Field Service | Toronto |
| WES For Youth Online, E-Counselling Mental Health Support Services | Brockton |
| YMCA of Central East Ontario, YMCA Employment Services Peterborough, Balsillie Family Branch - Youth Gambling Awareness Program | Peterborough |
| YMCA of Simcoe/Muskoka, Barrie - Bayfield St, Youth Gambling Awareness Program | Barrie |