| A & B Clinics, Barrie, Virtual Addictions Clinic | Barrie |
| Above and Beyond | Peterborough |
| Addiction Centre Toronto, ACT Peterborough | Peterborough |
| Bayside IGA Pharmacy | Wiarton |
| Bergen No Frills Drugstore Pharmacy, Owen Sound | Owen Sound |
| Bradford Medical Centre | Bradford West Gwillimbury |
| Brightshores Health System, Dundalk, Rapid Access Addiction Medicine Clinic | Southgate |
| Brightshores Health System, Durham Medical Centre, Rapid Access Addiction Medicine Clinic | |
| Brightshores Health System, Hanover and District Hospital, Rapid Access Addiction Medicine Clinic | Hanover |
| Brightshores Health System, Kincardine, Rapid Access Addiction Medicine Clinic | Kincardine |
| Brightshores Health System, Owen Sound - 9th Ave, Rapid Access Addiction Medicine Clinic | Owen Sound |
| Brightshores Health System, Wiarton Hospital, Rapid Access Addiction Medicine Clinic | South Bruce Peninsula |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Hanover - 425 10th St, New Directions for Alcohol and Drug Problems | Hanover |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1101 2nd Ave E, Suite 207, New Directions for Alcohol and Drug Problems | Owen Sound |
| Canadian Mental Health Association, Muskoka-Parry Sound, Addiction Services, Parry Sound Office | Parry Sound |
| Delta Health Clinics, Barrie - Grove St E, Opioid Addiction / Dependence Treatment | Barrie |
| Delta Health Clinics, Barrie - Leacock Dr, Opioid Addiction / Dependence Treatment | Barrie |
| Delta Health Clinics, Barrie - Wellington St W, Opioid Addiction / Dependence Treatment | Barrie |
| Dundalk Village Pharmacy | Dundalk |
| Essa Road Medical Clinic, Barrie, Methadone Clinic | Barrie |
| First Step Medical Clinic, Peterborough | Peterborough |
| Georgian Bay Clinic (The) | Midland |
| Gordon's Pharmasave | Kincardine (Town of) |
| Guardian - Sauble Pharmacy | Sauble Beach |
| Hanover Pharmasave | Hanover |
| Hopewood Clinic, Angus, Angus Rapid Access Addiction Medicine (RAAM) Clinic | Essa |
| Hopewood Clinic, Wasaga Beach, Wasaga Beach Rapid Access Addiction Medicine (RAAM) Clinic | Wasaga Beach |
| Lucknow Pharmasave | Lucknow |
| Markdale IDA Pharmacy | Markdale |
| Meaford IDA Pharmacy | Meaford (Town of) |
| Muxlow Pharmacy, Meaford | Meaford (Town of) |
| New Dawn Medical, Cobourg, Methadone Clinic | Cobourg |
| New Life Clinic, Barrie, Methadone / Suboxone Addiction Clinic | Barrie |
| Ontario Addiction Treatment Centres, Alliston Office | New Tecumseth |
| Ontario Addiction Treatment Centres, Bracebridge | Bracebridge |
| Ontario Addiction Treatment Centres, Collingwood Clinic | Collingwood |
| Ontario Addiction Treatment Centres, Huntsville | Huntsville |
| Ontario Addiction Treatment Centres, Lindsay Clinic | Kawartha Lakes |
| Ontario Addiction Treatment Centres, Owen Sound | Owen Sound |
| Ontario Addiction Treatment Centres, Parry Sound Clinic | Parry Sound |
| Ontario Addiction Treatment Centres, Peterborough Clinic | Peterborough |
| Ontario Addiction Treatment Centres, Peterborough Clinic | Peterborough |
| Ontario Addiction Treatment Centres, Port Hope Clinic | Port Hope (Municipality of) |
| Peterborough Regional Health Centre, Peterborough - 360 George St, Rapid Access Addiction Medicine Clinic | Peterborough |
| Pharmasave - Sally's Pharmacy, Owen Sound | Owen Sound |
| ProHealth Pharmacy, Barrie - Mapleton Ave | Barrie |
| Rainbow Pharmasave, Angus | Essa |
| Recovery Muskoka, Gravenhurst, Addiction Treatment and Medical Walk-in Clinic | Gravenhurst |
| Rexall Drug Store, Southampton | Southampton |
| Rexall Drug Store, Owen Sound - 1415 1st Ave | Owen Sound |
| Rexall Pharma Plus, Owen Sound - 1507 9th Ave | Owen Sound |
| Road to Recovery Addiction Clinic, Barrie - Anne St S, Addiction Clinic | Barrie |
| Road to Recovery Addiction Clinic, Barrie - Dunlop St W, Addiction Clinic | Barrie |
| Road to Recovery Addiction Clinic, Bradford, Addiction Clinic | Bradford West Gwillimbury |
| Rowland's Independent Grocer, Loblaw Pharmacy | Port Elgin |
| Royal Victoria Regional Health Centre, Barrie - 70 Wellington St W - Lower Level, North Simcoe Muskoka Rapid Access Addiction Medicine Services | Barrie |
| Royal Victoria Regional Health Centre, Midland - Bayshore Dr, North Simcoe Muskoka Rapid Access Addiction Medicine Services | Midland |
| Royal Victoria Regional Health Centre, Orillia Common Roof - Front St S, North Simcoe Muskoka Rapid Access Addiction Medicine Services | Orillia |
| Royal Victoria Regional Health Centre, Wasaga Beach, North Simcoe Muskoka Rapid Access Addiction Medicine Services | Wasaga Beach |
| Shoppers Drug Mart, Port Elgin | Port Elgin |
| Shoppers Drug Mart, Hanover | Hanover |
| Shoppers Drug Mart, Owen Sound - 10th St W | Owen Sound |
| Shoppers Drug Mart, Owen Sound - 16th St E | Owen Sound |
| Shoppers Drug Mart, Kincardine | Kincardine |
| Towards Recovery Clinic, Barrie, Towards Recovery Clinic, Barrie | Barrie |
| Zehrs Drugstore Pharmacy, Owen Sound | Owen Sound |