| Organization Name(s) | Located In |
| Abundant Living Counselling Group | Ottawa |
| Addiction Centre (Hastings/Prince Edward Counties), Head Office | Belleville |
| Addiction Services of Eastern Ontario, Rockland | Rockland |
| Addictions Treatment Service | Renfrew |
| Adult Children Anonymous and Adult Children of Alcoholics, Living the Twelve Steps | City of Ottawa |
| Al-Anon / Alateen Family Groups, Districts 28 & 29 | Ottawa |
| Al-Anon / Alateen Family Groups, Stormont, Dundas and Glengarry, Prescott-Russell | Cornwall |
| Al-Anon Family Groups, Share & Care Al-Anon Family Group | Smiths Falls |
| Al-Anon Family Groups Headquarters (Canada) Inc. | Ottawa |
| Alcoholics Anonymous, District 30, Quinte West | Quinte West |
| Alcoholics Anonymous, District 34, Belleville | Hastings County |
| Alcoholics Anonymous, District 78, Madawaska Valley | North Hastings |
| Alcoholics Anonymous, Kemptville | Kemptville |
| Alcoholics Anonymous, Ottawa Area Intergroup of Alcoholics Anonymous | Ottawa |
| Amethyst Women's Addiction Centre | Ottawa |
| Anglican Diocese of Ottawa (The), Ottawa Pastoral Counselling Centre | Ottawa |
| BC211 | Vancouver |
| Billy Buffett's House of Welcome | Vanier |
| Billy's House of Transition | Ottawa |
| Brock Cottage Incorporated | Brockville |
| Brock Cottage Incorporated, Tennant House | Brockville |
| Canada. Department of National Defence, Canadian Forces Base Kingston, 33 CF Health Services Centre | Kingston |
| Centre 507 Drop-In | Ottawa |
| Centre de santé communautaire de l'Estrie | Cornwall |
| Centre de santé communautaire de l'Estrie, Alexandria | Alexandria |
| Centre de santé communautaire de l'Estrie, Bourget | Bourget |
| Centre de santé communautaire de l'Estrie, Crysler | Crysler |
| Centre espoir Sophie | Ottawa |
| Centre for Addiction and Mental Health | Ottawa |
| Centre for Addiction and Mental Health, CAMH Information Centre, Drug, Alcohol and Mental Health Information Line | Toronto |
| Centretown Community Health Centre, Lifestyle Enrichment For Senior Adults | Ottawa |
| Co-Dependents Anonymous | City of Ottawa |
| ConnexOntario Health Services Information, Drug and Alcohol Helpline | London |
| Dave Smith Youth Treatment Centre | Ottawa |
| East Ottawa Community Family Health Team, Overbrook-Forbes site | Vanier |
| Empathy House | Ottawa |
| Fetal Alcohol Spectrum Disorder Group of Ottawa | Ottawa |
| Harvest House Ministries | Ottawa |
| Hotel Dieu Hospital, Detoxification Centre | Kingston |
| Hotel Dieu Hospital, Detoxification Centre, Relapse Prevention Group | Kingston |
| House of Hope and Healing | Ottawa |
| Mackay Manor Inc., Recovery Home For Males with Alcohol And Drug Problems, Community Withdrawal Management Services, Supportive Housing for Addictions clients (ASH) | Renfrew |
| Maison Decision House | Ottawa |
| Maison Fraternité, Centre de traitement mixte pour adultes | Ottawa |
| Maison Fraternité, Centre pour les adolescents et leur famille | Vanier |
| Maison Fraternité, Résidence des femmes | Vanier |
| Minwaashin Lodge - Aboriginal Women's Support Centre | Ottawa |
| Mohawks of the Bay of Quinte, Administration Office | Tyendinaga Mohawk Territory |
| Mohawks of the Bay of Quinte, Community Wellbeing | Tyendinaga Mohawk Territory |
| Montfort Renaissance, Ottawa Withdrawal Management Centre | Ottawa |
| Mothers Against Drunk Driving (MADD) Canada, Ottawa Chapter | City of Ottawa |
| Mothers Against Drunk Driving Canada, Quinte Chapter | Belleville |
| Nar-Anon Family Groups | City of Ottawa |
| Northern Frontenac Community Services Corporation, Family Counsellor | Sharbot Lake |
| Ontario Students Against Impaired Driving | Toronto |
| Pathways Alcohol and Drug Treatment Services, Arnprior | Arnprior |
| Pathways Alcohol and Drug Treatment Services, Pembroke Satellite office | Pembroke |
| Pathways Alcohol and Drug Treatment Services, Renfrew | Renfrew |
| Pavillon Marionville 2010 | Cumberland |
| Renfrew County Community Withdrawal Management Services | Renfrew |
| Rideauwood Addiction and Family Services | Ottawa |
| Salvation Army, Community and Family Services | Belleville |
| Salvation Army (The), Cornwall, Community and Family Services | Cornwall |
| Salvation Army (The), Kingston, Harbour Light Centre, Residential Treatment Program | Kingston |
| Salvation Army (The), Ontario East Division, Booth Centre Ottawa, Anchorage | Ottawa |
| Sandy Hill Community Health Centre, Addiction and Mental Health Services | Ottawa |
| Serenity House Inc. | Ottawa |
| Serenity Renewal for Families | Ottawa |
| Shepherds of Good Hope, Recovery | Ottawa |
| Sobriety House | Ottawa |
| The Ottawa Mission, Addiction Services | Ottawa |
| The Royal, Royal Ottawa Mental Health Centre, Substance Use and Concurrent Disorders Program | Ottawa |
| The Royal, Royal Ottawa Mental Health Centre, Substance Use and Concurrent Disorders Program, Assessment and Stabilization Unit | Ottawa |
| The Royal, Royal Ottawa Mental Health Centre, Substance Use and Concurrent Disorders Program, Early Intervention Program | Ottawa |
| The Royal, Royal Ottawa Mental Health Centre, Substance Use and Concurrent Disorders Program, Meadow Creek Treatment Centre, Short Term Intensive Residential Treatment | Ottawa |
| TriCounty Addiction Services, Brockville Office | Brockville |
| TriCounty Addiction Services, Smiths Falls Office | Smiths Falls |
| Tungasuvvingat Inuit, Urban Inuit Community Centre | Ottawa |
| Vesta Recovery Program for Women | Ottawa |
| Wabano Centre for Aboriginal Health | Vanier |
| Youth Diversion Program, KAIROS | Kingston |
| Youth Services Bureau of Ottawa, Mental Health Services, Youth and Family Counselling Services | Ottawa |
| Youth Unlimited, Kingston | Kingston |