| 1door | Barrie |
| Addiction Services Central Ontario, Stevenson Memorial Hospital - Alliston, Rapid Access Addiction Medicine Clinic, South Simcoe | New Tecumseth |
| Alderville First Nation, Roseneath - 8467 County Rd 45, Health & Social Services | Alderville First Nation |
| Almaguin Highlands Health Centre | Burk's Falls |
| Barrie Area Native Advisory Circle, Barrie - 125 Bell Farm Rd, Suite 200, Mamaway Wiidokdaadwin Clinic | Barrie |
| Barrie Area Native Advisory Circle, Orillia, Mamaway Wiidokdaadwin Clinic | Orillia |
| Brad's Place Addiction Treatment Of Southern Georgian Bay | Collingwood |
| 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, Choices Drug and Alcohol Counselling for Youth | Hanover |
| 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, Choices Drug and Alcohol Counselling for Youth | Owen Sound |
| 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 |
| Canadian Mental Health Association. Simcoe County Branch, Barrie - 128 Anne St S, Addiction Services | Barrie |
| Canadian Mental Health Association. Simcoe County Branch, Youth Mental Health and Addiction Services | Barrie |
| Canadian Mental Health Association. Simcoe County Branch, Collingwood - 186 Erie St - Suite 101, Addiction Services | Collingwood |
| Canadian Mental Health Association. Simcoe County Branch, Midland, Addiction Services | Midland |
| Canadian Mental Health Association. Simcoe County Branch, Orillia - 50 Nottawasaga St, Addiction Services | Orillia |
| Charles DiGaudio Counselling Services | Collingwood |
| Chippewas of Nawash Unceded First Nation, Neyaashiinigmiing - 247 Prairie Rd, Harm Reduction and Outreach | Neyaashiinigmiing |
| CMHA Huron Perth Addiction and Mental Health Services, Huron County office, CMHA Huron Perth Addiction and Mental Health Services, Goderich | Goderich |
| CMHA Huron Perth Addiction and Mental Health Services, Northern Huron Connection Centre - St Paul's Trinity Anglican Church, Northern Huron Connection Centre | North Huron |
| CMHA Huron Perth Addiction and Mental Health Services, Stratford Connection Centre - St. Paul's Anglican Church, Stratford Connection Centre | Stratford |
| CMHA Huron Perth Addiction and Mental Health Services, Stratford Office - 10 Downie St, CMHA Huron Perth Addiction and Mental Health Services, Stratford | Stratford |
| Connection Counselling Services | Cobourg |
| Curve Lake First Nation, Curve Lake Health Centre - WshkiiGomaang MnoBmaadziwin Gamig | Selwyn Township |
| De Novo Treatment Centre | Huntsville |
| Dnaagdawenmag Binnoojiiyag Child and Family Services, Hiawatha - Admin Office | Hiawatha First Nation |
| Family Transition Place, Individual and Group Counselling Services | Orangeville |
| Four Counties Addiction Services Team, Campbellford - Oliver Rd, Campbellford Office | Trent Hills |
| Four Counties Addiction Services Team, Cobourg - Elgin St W, Cobourg Office | Cobourg |
| Four Counties Addiction Services Team, Lindsay - Lindsay St S, Lindsay Office | Lindsay |
| Four Counties Addiction Services Team, Minden - IGA Rd, Minden Office | Minden Hills |
| Four Counties Addiction Services Team, Peterborough Office | Peterborough |
| Georgian Bay Native Friendship Centre, Indigenous Alcohol and Drug Worker Program | Midland |
| Huron Perth Public Health, Clinton - London Rd, Huron Perth Public Health - Clinton Office | Central Huron |
| Huron Perth Public Health, Stratford - West Gore St., Huron Perth Public Health - Stratford Office | Stratford |
| John Howard Society of Kawartha Lakes & Haliburton, Anger Management, Lindsay | Kawartha Lakes |
| Lakeridge Health Corporation, Oshawa, Pinewood Centre, Mental Health and Addictions Program at Lakeridge Health | Oshawa |
| Lakeridge Health Oshawa, Pinewood Centre, Whitby - Cochrane St, Women's Residential Treatment Program, Pinewood Centre, Whitby - Cochrane St | Whitby |
| Listowel Wingham Hospitals Alliance, Listowel Memorial Hospital | North Perth |
| Noah's Ark & The Community Table, Exeter Pentecostal Tabernacle, South Huron Connection Centre | South Huron |
| Nogojiwanong Friendship Centre, Addictions and Mental Health | Peterborough |
| North Simcoe Youth Wellness Hub, North Simcoe | Midland |
| Ontario Addiction Treatment Centres, Lindsay Clinic | Kawartha Lakes |
| 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) |
| Parry Sound Counselling | McDougall |
| Parry Sound Family Service | Parry Sound |
| Peterborough Regional Health Centre, Peterborough - 360 George St, Rapid Access Addiction Medicine Clinic | Peterborough |
| Point in Time Centre for Children, Youth and Parents, Haliburton - Dysart Ave, Haliburton County Youth Wellness Hub | Haliburton |
| Recovery Muskoka, Gravenhurst, Addiction Treatment and Medical Walk-in Clinic | Gravenhurst |
| Reflection Centre, Barrie | Barrie |
| RGA Psychological and Counselling Services, Stratford | Stratford |
| Right to Heal, Peterborough | Peterborough |
| 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 |
| Salvation Army (The), Parry Sound - Gibson St, Rainbow Country Church, Family Services | Parry Sound |
| Salvation Army, Listowel, 295 Main St W - HOPE Links North Perth, HOPE Links North Perth | North Perth |
| Saugeen First Nation, Saugeen First Nation - 47 Mason Dr, Mino Bimaadsawin Health Centre | |
| Saugeen First Nation, Saugeen Native Drug and Alcohol Counselling Centre, Saugeen First Nation - 47 Mason Dr | |
| Smith Psychological, Counselling / Psychotherapy and Psychological Assessment Services | Barrie |
| Vanastra Access Centre | Central Huron |
| YMCA of Simcoe/Muskoka, Barrie - Bayfield St, Youth in Transition Worker Program | Barrie |