| Adoption Council of Ontario, Markham - Mailing Address | Markham |
| Afghan Association of Ontario, Canada | Toronto |
| African Community Services of Peel, Brampton, Violence Against Women Program | Brampton |
| Arthritis Society Canada, Halton East and Peel Region, Mississauga | Mississauga |
| Bartimaeus | Burlington |
| Canadian Cancer Society - Ontario Division - Peer Match Program | Toronto Downtown North |
| Canadian Coalition for Seniors' Mental Health, Markham | Markham |
| Canadian Counselling and Psychotherapy Association | Ottawa |
| Canadian Mental Health Association, Oakville - Halton Region Branch Head Office, Mental Health Services | Oakville |
| Canadian Mental Health Association, Education and Training | Oakville |
| Canadian Mental Health Association, Milton and Halton Hills, Mental Health Services | Milton |
| Canadian Mental Health Association, National, Toronto - Online/Web Service, Mental Health Resources | Toronto |
| CarePoint Health, Brampton-Halton-Mississauga-South Etobicoke, Ontario Structured Psychotherapy Program | Mississauga |
| Centre for Addiction and Mental Health, CAMH Support Resources and Information Services | Toronto |
| Chinese Association of Mississauga, Mississauga | Mississauga |
| College of Registered Psychotherapists of Ontario | Toronto Downtown |
| Distress Centres of Greater Toronto, Survivor Support Program | Toronto |
| Equilibrium, Oakville, Mood Disorder Support Group | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health - Older Adult Mental Health Clinic | Oakville |
| How to Find - Food and Emergency Housing, Halton Hills | Halton Hills |
| Institute for Advancements in Mental Health, Toronto Provincial Office | Toronto |
| Joseph Brant Hospital, Burlington, Mental Health Services | Burlington |
| Kidney Foundation of Canada, Ontario Branch | Mississauga |
| Liver Canada | Markham |
| Mental Health Mutual-Aid Hub Canada, Mandarin Hotline and Mental Health Support | Toronto |
| Métis Nation of Ontario, Brampton | Brampton |
| Mood Disorders Association of Ontario, Peer Supports and Services (Toronto) | Toronto |
| Native Women's Resource Centre of Toronto, Community Programs | Toronto |
| Oak Park Neighbourhood Centre, Adult Programs | Oakville |
| Ontario Psychological Association, Psychologists Referral Service | Toronto |
| Ontario Society of Registered Psychotherapists | Toronto Downtown Central |
| PCHS, PCHS Brampton | Brampton |
| PCHS, PCHS Mississauga | Mississauga |
| Re-Imagine Ontario, Community Supports for Vulnerable Youth and Seniors | Oakville |
| SAFE (Survivor Advocates for Empowerment), Victim & Survivor Support Services & Advocacy | Halton Region |
| St John Ambulance - Halton Region, Oakville Office, First Aid Instruction, Supplies and Community Services | Oakville |
| St Joseph's Healthcare Hamilton, Burlington Locations, Ontario Structured Psychotherapy West Region | Burlington |
| Summit Housing & Outreach Programs, Oakville, Supportive Housing & Outreach Programs | Oakville |
| Support House, Peer Services - Centre for Innovation in Peer Support | Oakville |
| Support House, Supportive Housing | Oakville |
| Veterans Transition Network | Ontario |
| Wings of Change - Peer Support, Peer Support for First Responders | Canada |
| Women's Centre of Halton (The), One-on-One Support Services | Oakville |
