| Organization Name(s) | Located In |
| Abundant Living Counselling Group | Ottawa |
| Addiction Centre (Hastings/Prince Edward Counties), Head Office | Belleville |
| Addictions Treatment Service | Renfrew |
| Adult Children Anonymous and Adult Children of Alcoholics, Living the Twelve Steps | City of Ottawa |
| Al-Anon / Alateen Family Groups, Stormont, Dundas and Glengarry, Prescott-Russell | Cornwall |
| Alcoholics Anonymous, Kemptville | Kemptville |
| Alcoholics Anonymous, Ottawa Area Intergroup of Alcoholics Anonymous | Ottawa |
| Alliance Mental Health and Addictions Services and Consultation | Orléans |
| Amethyst Women's Addiction Centre | Ottawa |
| Anglican Social Services, Centre 454 | Ottawa |
| Art Therapy | Ottawa |
| BC211 | Vancouver |
| Billy Buffett's House of Welcome | Vanier |
| Billy's House of Transition | Ottawa |
| Canada. Canadian Institutes of Health Research | Ottawa |
| Canada. Department of National Defence, Canadian Forces Base Kingston, 33 CF Health Services Centre | Kingston |
| Canadian Hearing Society (The), Kingston Regional Office, CONNECT Counselling Services | Kingston |
| Carlington Community Health Centre, Assertive Community Treatment Team | Ottawa |
| Centre 507 Drop-In | Ottawa |
| 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 |
| Centre for Addiction and Mental Health, Kingston Office | Kingston |
| 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 |
| ConnexOntario Health Services Information, Ontario Problem Gambling Helpline | London |
| Dave Smith Youth Treatment Centre | Ottawa |
| Daybreak Non-Profit Shelter (Ecumenical) Corporation | Ottawa |
| Debtors Anonymous | Ottawa |
| Eastern Ontario Health Unit | Cornwall |
| Empathy House | Ottawa |
| First Step Clinic | Belleville |
| Frontenac, Lennox & Addington Addictions and Mental Health Coalition | Kingston |
| Gamblers Anonymous Gamanon, G.A. Intergroup Ottawa | Ottawa |
| Gateway Community Health Centre, Health Promotion | Tweed |
| Harvest House Ministries | Ottawa |
| HIV/AIDS Regional Services | Kingston |
| HIV/AIDS Regional Services, Leeds and Grenville Regional Program | Kingston |
| Hôpital Montfort, Assertive Community Treatment Team, Ottawa East | Ottawa |
| Hotel Dieu Hospital, Detoxification Centre | Kingston |
| Hotel Dieu Hospital, Detoxification Centre, Relapse Prevention Group | Kingston |
| House of Hope and Healing | Ottawa |
| Kingston Community Health Centres | Kingston |
| Kingston Community Health Centres, Street Health Centre | Kingston |
| Kingston Home Base Non-Profit Housing Inc, Supportive Housing Program | Kingston |
| 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 |
| Montfort Renaissance, Ottawa Withdrawal Management Centre | Ottawa |
| Nar-Anon Family Groups | City of Ottawa |
| Narcotics Anonymous | Ottawa |
| Narcotics Anonymous, Belleville | Belleville |
| Narcotics Anonymous, Limestone Area | Kingston |
| Narcotics Anonymous, Ottawa Area, Carleton Place | Carleton Place |
| Narcotics Anonymous, Picton | Picton |
| Narcotics Anonymous, Trenton | Trenton |
| Newgate 180 Addiction Solutions, Women's Centre | Merrickville |
| Northern Frontenac Community Services Corporation | Sharbot Lake |
| Northern Frontenac Community Services Corporation, Family Counsellor | Sharbot Lake |
| Open Line Open Mind | Belleville |
| Operational Stress Injury Social Support, Ottawa Valley and North-Eastern Ontario Region | Petawawa |
| Overeaters Anonymous, Brockville | Brockville |
| Overeaters Anonymous, Kingston | Kingston |
| Overeaters Anonymous, Perth | Perth |
| Pathways Alcohol and Drug Treatment Services, Arnprior | Arnprior |
| Pathways Alcohol and Drug Treatment Services, Mother Safe | Renfrew |
| Pathways Alcohol and Drug Treatment Services, Pembroke Satellite office | Pembroke |
| Pathways Alcohol and Drug Treatment Services, Renfrew | Renfrew |
| Pinecrest-Queensway Community Health Centre, Pinecrest-Queensway Assertive Community Treatment Team | Ottawa |
| Quinte Counselling Services Inc | Belleville |
| Renfrew County and District Health Unit, Main Office | Pembroke |
| Renfrew County Community Withdrawal Management Services | Renfrew |
| Responsible Gambling Council (The) | Toronto |
| Rideauwood Addiction and Family Services | Ottawa |
| Rideauwood Addiction and Family Services, Treatment Programs for Problem Gambling | Ottawa |
| Salvation Army, Community and Family Services | Belleville |
| Salvation Army (The), Ontario East Division, Booth Centre Ottawa, Anchorage | Ottawa |
| Sandy Hill Community Health Centre, Addiction and Mental Health Services | Ottawa |
| Separation and Divorce Resource Centre, Mediation - conflict resolution, Step-parenting, Divorce Recovery Seminars, Kids coping with divorce | Gloucester |
| Serenity House Inc. | Ottawa |
| Serenity Renewal for Families | Ottawa |
| Sex Addicts Anonymous | City of Ottawa |
| Shepherds of Good Hope, Evening Drop-in | Ottawa |
| Shepherds of Good Hope, Good Day Workshop | Ottawa |
| Shepherds of Good Hope, Recovery | Ottawa |
| Shepherds of Good Hope, Supportive Living | Ottawa |
| Smiths Falls Free Methodist Church, Recovering Freedom | Smiths Falls |
| Sobriety House | Ottawa |
| Somerset West Community Health Centre | Ottawa |
| The Canadian Hearing Society, Brockville Office, CONNECT Counselling Services | Brockville |
| The Ottawa Mission, Addiction Services | Ottawa |
| The Royal, Royal Ottawa Mental Health Centre | Ottawa |
| The Royal, Royal Ottawa Mental Health Centre, Assertive Community Treatment Team | Ottawa |
| The Royal, Royal Ottawa Mental Health Centre, Community Mental Health Program | 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 |
| The Royal, Royal Ottawa Mental Health Centre, Volunteer Services, Mental Health Community Library | 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 |
| Western Ottawa Community Resource Centre | Kanata |
| Youth Action Kommittee of Perth & District (YAK), YAK Youth Centre | Perth |
| Youth Diversion Program, KAIROS | Kingston |
| Youth Services Bureau of Ottawa, Mental Health Services, Youth and Family Counselling Services | Ottawa |