| ABRAR Trauma and Mental Health, ABRAR Trauma and Mental Health Services | Hamilton (City of) |
| Across Boundaries: An Ethnoracial Mental Health Centre, Mental Health and Addiction Support Services | Toronto |
| Associated Youth Services of Peel, Mississauga | Mississauga |
| Canadian Coalition for Seniors' Mental Health, Markham | Markham |
| Canadian Mental Health Association, Oakville - Halton Region Branch Head Office, Mental Health Services | Oakville |
| Canadian Mental Health Association, Milton and Halton Hills, Mental Health Services | Milton |
| Canadian Mental Health Association, Education and Training | Oakville |
| Canadian Mental Health Association, Mobile Outreach Team - COAST | Oakville |
| Canadian Mental Health Association, National, Toronto - Online/Web Service, Mental Health Resources | Toronto |
| Canadian Mental Health Association, York Region and South Simcoe, BounceBack Ontario | Vaughan |
| CarePoint Health, Mississauga, Ontario Structured Psychotherapy Program | Mississauga |
| Centre for Addiction and Mental Health, CAMH Support Resources and Information Services | Toronto |
| ConnexOntario | Not Known |
| ConnexOntario, Helpline | Not Known |
| ConnexOntario, mindyourmind | Not Known |
| eMentalHealth.ca | Ottawa |
| Empowerment Council (Addiction and Mental Health), Systemic Advocacy and Education | Toronto |
| Halton Healthcare, Acton, North Halton Mental Health Clinic | Acton |
| Halton Healthcare, Georgetown, North Halton Mental Health Clinic | Georgetown |
| Halton Healthcare, Milton, North Halton Mental Health Clinic | Milton |
| Halton Healthcare, Mississauga Halton Central Intake Program | Oakville |
| Halton Healthcare, Mississauga Halton Central Intake Program - one-Link - Addictions and Mental Health Services Referral | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health - Child and Adolescent Clinic | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health - Outpatient Psychotherapy Services | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health - Outpatient Services | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health - Psychiatric Consultation | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health Day Program | Oakville |
| Halton Suicide Prevention Coalition, BeSafe App | Halton Region |
| HeadsUpGuys, Online Depression Resources for Men | Vancouver |
| How to Find - Crisis and Distress Services, Halton Region | Halton Region |
| Jack.org, Halton Chapters | Halton Region |
| Jack.org, BeThere.org - Online Mental Health Supports | Toronto |
| Joseph Brant Hospital, Burlington, Mental Health Services | Burlington |
| Kids' Health Links Foundation | Oakville |
| Mental Health Mutual-Aid Hub Canada, Mandarin Hotline and Mental Health Support | Toronto |
| Mood Disorders Association of Ontario, Peer Supports and Services (Toronto) | Toronto |
| OCASI - Ontario Council of Agencies Serving Immigrants, OCASI | Toronto |
| Parents for Children's Mental Health, Burlington Chapter, Parent/Caregiver Support Group | Burlington |
| Psychiatric Patient Advocate Office, Patient Advocacy, Education and Information | Toronto |
| Ripple Effect Wellness Organization (The), Wellness & Health Education | Mississauga |
| ROCK, Access and System Navigation | Halton Region |
| St Joseph's Healthcare Hamilton, West Region, Ontario Structured Psychotherapy | Burlington |
| Support House, Housing Services | Oakville |
| Support House, Centre for Innovation in Peer Support | Oakville |
| Unsinkable, Mental Health Support and Awareness | Toronto |
| Woodview Mental Health and Autism Services | Burlington |
