| Alcoholics Anonymous, Oakville - Halton District Office, Halton Area Meetings | Halton Region |
| Alcoholics Anonymous - North Halton/Erin, North Halton / Erin District, Erin and Area Meetings | Erin |
| Alcoholics Anonymous (GTA), Find an Alcoholics Anonymous Meeting - Greater Toronto Area Intergroup | Ontario |
| Alcoholics Anonymous Hamilton, Alcoholics Anonymous Meetings | |
| Centre for Addiction and Mental Health, Youth Vaping, Alcohol, Substance Use and Technology Dependence Program | Toronto |
| Cocaine Anonymous | Toronto Downtown |
| Debtors Anonymous, Oakville - Mailing Address | Oakville |
| Hope Bible Church Oakville, Recovery Group | Oakville |
| Narcotics Anonymous | Halton Region |
| Native Horizons Treatment Centre | New Credit |
