| AIDS Network (The), Oakville, Supports, Education and Training | Oakville |
| Halton. Halton Region Public Health, Burlington - Health@3350, Sexual Health Clinic | Burlington |
| Halton. Halton Region Public Health, Exchange Works - Needle Exchange and Naloxone Distribution | Halton Region |
| Halton. Halton Region Public Health, Georgetown - Health@280, Sexual Health Clinic | Georgetown |
| Halton. Halton Region Public Health, Oakville - Health@232, Sexual Health Clinic | Oakville |
| Hope Bible Church Oakville, Recovery Group | Oakville |
| Oak Park Neighbourhood Centre, Churchill Neighbourhood Centre | Oakville |
| Ontario Addiction Treatment Centres, Methadone Maintenance Treatment | Oakville |
| Ontario. Ministry of Health, Sexual Health Infoline Ontario | Toronto Downtown |
