| ADAPT Halton, Oakville - Head Office, Alcohol, Drug and Gambling Assessment, Prevention and Treatment Services | Oakville |
| ADAPT Halton, Community Justice Programs | Halton Region |
| Centre for Addiction and Mental Health, Addiction Medicine Services and Specialized Clinics | Toronto |
| Centre for Addiction and Mental Health, Shkaabe Makwa Centre for First Nations, Inuit and Métis Wellness | Toronto |
| Homewood Health Centre | Guelph |
| Hope Place Centres, Community Based Addiction Treatment | Halton Hills |
| Hospital for Sick Children, Adolescent Medicine | Toronto |
| PCHS, PCHS Mississauga | Mississauga |
| Renascent, Toronto - Wright Centre | Toronto |
| Trillium Health Partners, Credit Valley Hospital | Mississauga |
| Wellbeings Medical Centre for Innovation & Excellence | Burlington |
| Women's College Hospital, Substance Use Service | Toronto |
