| Organization / Program Name(s) | Located In |
|---|---|
| Halton. Halton Region Public Health, Exchange Works - Needle Exchange and Naloxone Distribution | Halton Region |
| Halton. Halton Region Public Health, Sexual Health Clinics | Halton Region |
| Moderation Management | Ontario |
| Ontario Addiction Treatment Centres, Methadone Maintenance Treatment | Oakville |
| Positive Health Network, Oakville - Kerr St, Supports, Education and Training | Oakville |
