| | Organization Name(s) | Located In |
 | Canadian Mental Health Association, Lambton County, Crisis and Short Term Services | Sarnia |
 | Canadian Mental Health Association, Lambton Kent | Chatham |
 | Canadian Mental Health Association, Sarnia-Lambton Branch, Vocational Rehabiliation Specialist | Sarnia |
 | Canadian Mental Health Association, Windsor-Essex County Branch | Windsor Central |
 | Canadian Mental Health Association, Windsor-Essex County Branch, Advancement Services, Mental Health Program for Older Adults, Coping with Caregiver Stress | Windsor Central |
 | Canadian Mental Health Association, Windsor-Essex County Branch, Advocacy Services | Windsor Central |
 | Canadian Mental Health Association, Windsor-Essex County Branch, Community Support Services | Windsor Central |
 | Canadian Mental Health Association, Windsor-Essex County Branch, Community Support Services, Justice Support Services Program | Windsor Central |
 | Canadian Mental Health Association, Windsor-Essex County Branch, Housing and Vocational Support Services, Employment Support Services | Windsor Central |
 | Canadian Mental Health Association, Windsor-Essex County Branch, Leamington Satellite Office | Leamington |
 | Canadian Mental Health Association, Windsor-Essex County Branch, Mental Health Promotion for Older Adults | Windsor West |
 | Canadian Mental Health Association, Windsor-Essex County Branch, Resource Centre and Prevention Services, Bereavement Resources Program, Griefworks for Children and Adolecents | Windsor Central |
 | Canadian Mental Health Association, Windsor-Essex County Branch, Volunteer Program | Windsor Central |
 | Canadian Mental Health Association, Windsor-Essex County Branch, Workplace Health, Corporate Education Program | Windsor Central |
 | Canadian Mental Health Association, Windsor-Essex County Branch, Workplace Health Services, Employee Assistance Program | Windsor Central |
 | Canadian Mental Health Association - Elgin Branch | St Thomas |
 | Canadian Mental Health Association - Elgin Branch, Aylmer Satellite Office | Aylmer |
 | Canadian Mental Health Association - Elgin Branch, Child and Youth Crisis Support Line | St Thomas |
 | Canadian Mental Health Association - Elgin Branch, Crisis Safebed Program | St Thomas |
 | Canadian Mental Health Association - Elgin Branch, Elgin House Activity Centre | St Thomas |
 | Canadian Mental Health Association - Elgin Branch, Mental Health Crisis Intervention | St Thomas |
 | Canadian Mental Health Association - Elgin Branch, Straffordville Satellite Office | Straffordville |
 | Canadian Mental Health Association - Elgin Branch, Talbot House Activity Centre | St Thomas |
 | Canadian Mental Health Association - Elgin Branch, West Lorne Satellite Office | West Lorne |
 | Canadian Mental Health Association - Lambton County, Crisis and Short Term Services | Sarnia |
 | Canadian Mental Health Association - London-Middlesex Branch | London |
 | Canadian Mental Health Association - London-Middlesex Branch, Assessment and Community Support | London |
 | Canadian Mental Health Association - London-Middlesex Branch, CMHA Crisis Services | London |
 | Canadian Mental Health Association - London-Middlesex Branch, Housing Advocacy Program | London |
 | Canadian Mental Health Association - London-Middlesex Branch, Information and Referral | London |
 | Canadian Mental Health Association - London-Middlesex Branch, Justice Community Support Program | London |
 | Canadian Mental Health Association - London-Middlesex Branch, Justice Program | London |
 | Canadian Mental Health Association - London-Middlesex Branch, Mental Health Public Information, Promotion, Education and Support | London |
 | Canadian Mental Health Association - London-Middlesex Branch, Mental Health Works | London |
 | Canadian Mental Health Association - London-Middlesex Branch, Peer Support and Psychoeducational Groups | London |
 | Canadian Mental Health Association - London-Middlesex Branch, Peer Support and Psychoeducational Groups, Family Psychoeducational Program | London |
 | Canadian Mental Health Association - London-Middlesex Branch, Peer Support and Psychoeducational Groups, London Shyness and Social Anxiety Support Group | London |
 | Canadian Mental Health Association - London-Middlesex Branch, Peer Support and Psychoeducational Groups, Obsessive Compulsive Disorder (OCD) | London |
 | Canadian Mental Health Association - London-Middlesex Branch, Peer Support and Psychoeducational Groups, Survivors of Suicide (SOS) | London |
 | Canadian Mental Health Association - London-Middlesex Branch, Wait List Clinic | London |
 | CAN-VOICE (Consumer Survivor Community Support Services) | London |
 | Chatham-Kent Mental Health and Addictions Program, C-K MHAP | Chatham |
 | Child and Parent Resource Institute (CPRI), VOCPRI Family Resource Centre | London |
 | Children First | Windsor East |
 | Christian Counselling Services of Southwestern Ontario | London |
 | Community Crisis Centre of Windsor-Essex County, Hotel-Dieu Site, Crisis Services | Windsor Central |
| | ConnexOntario, Mental Health Service Information Ontario | London |
 | Consumer/Survivor Association of Lambton, "Open Doors" Drop-In Centre, Lambton Family Initiative | Sarnia |
 | Down Syndrome Association of Lambton County | Point Edward |
 | Dr Henry J Svec, Institute of Psychological Services, Chatham | Chatham |
| | Drug and Alcohol Treatment Registry, Problem Gambling Helpline - OPGH, Mental Health Service Information Ontario | Ontario |
 | Erie St Clair Clinic, Addictions Centre | Windsor East |
 | Family Service Thames Valley, mindyourmind | London |
 | Family Services Windsor-Essex | Windsor Central |
 | Hotel-Dieu Grace Hospital, Adult Mental Health Services | Windsor Central |
 | Insight Counselling Service | Windsor |
 | Italian Canadian Handicapable Association, Novelletto Rosati Sports & Recreation Complex | Windsor West |
 | Jobmatch, Community Living Wallaceburg | Wallaceburg |
 | John Howard Society of Windsor-Essex County, Juvenile Drug, Alcohol and Self Management Group | Windsor Central |
 | Kent Inter-Disciplinary Support (KIDS) Team, Family Service Kent | Chatham |
 | Lambton Family Initiative | Sarnia |
 | Leone Residence | Windsor West |
 | London Health Sciences Centre, Victoria Hospital, Mental Health Care Program, Adult Mental Health Care Program, General Adult Ambulatory Mental Health Services | London |
 | London Health Sciences Centre, Victoria Hospital, Mental Health Care Program, Adult Mental Health Care Program, Prevention and Early Intervention Program for Psychoses (PEPP) | London |
 | London Health Sciences Centre, Victoria Hospital, Mental Health Care Program, Coordinated Intake for Ambulatory Mental Health Services | London |
 | London Middlesex Suicide Prevention Council | London |
 | Maryvale Adolescent and Family Services, Day Treatment Services | Windsor West |
 | Maryvale Adolescent and Family Services, Residential Services | Windsor West |
 | Maryvale Adolescent and Family Services, Rotary Home for Youth, Stabilization and Discharge Planning Program | Windsor West |
 | Mennonite Central Committee - Chatham-Kent, Information and Help Centre for Lambton and Chatham-Kent Community | Chatham-Kent |
 | Mental Health Connections | Windsor Central |
 | Ombudsman of Ontario | Toronto |
 | Psychiatric Survivors Network of Elgin | St Thomas |
 | Psychiatric Survivors Network of Elgin, Warm Line | St Thomas |
 | Recovery Canada - Southwestern Ontario | Mooretown |
 | Recovery Inc, Self-Help Mental Health Group | Windsor East |
 | Salvation Army (The), Community and Rehabilitation Centre, Community Care Centre, Windsor | Windsor Central |
 | Sarnia Lambton Program of Assertive Community Treatment | Sarnia |
 | Sarnia-Lambton Children's Aid Society | Point Edward |
 | School Community Intervention Partnership | London |
 | Search Community Mental Health Services | Strathroy |
 | Search Community Mental Health Services, Changeways Group | Strathroy |
 | Search Community Mental Health Services, Community Support Services - Case Management Services | Strathroy |
 | Search Community Mental Health Services, Counselling | Strathroy |
 | Search Community Mental Health Services, Crisis Response Service | Strathroy |
 | Search Community Mental Health Services, DBT Skills Group | Strathroy |
 | Search Community Mental Health Services, Information and Referral Services | Strathroy |
 | Search Community Mental Health Services, Persuasion Group | Strathroy |
| | South Western Alliance Network | Aylmer |
 | Southwestern Ontario Geriatric Assessment Network | London |
 | St Joseph's Health Care, London, Regional Mental Health Care London | London |
 | St Joseph's Health Care, London, Regional Mental Health Care London, Mood and Anxiety Disorders Program | London |
 | St Joseph's Health Care, London, Regional Mental Health Care London, Strathroy-Middlesex Assertive Community Treatment Team | Strathroy |
 | St Joseph's Health Care, London, Regional Mental Health Care St Thomas | St Thomas |
 | St Joseph's Health Care, London, Regional Mental Health Care St Thomas, Elgin Assertive Community Treatment (ACT) Team 1 and 2 | St Thomas |
 | St. Clair Child and Youth Services | Point Edward |
 | Windsor Essex Community Health Centre, Teen Health | Windsor Central |
 | Windsor Essex Community Health Centre, Street Health | Windsor Central |
 | The Inn of Windsor | Windsor Central |
 | The Inn of Windsor, Residential Treatment Program | Windsor Central |
 | University of Windsor, Psychological Services Centre | Windsor West |
 | Wallis Residential Homes | Sarnia |
 | Walpole Island Community Service Program, Bkejwonong First Nation | Walpole Island |
 | West Elgin Community Health Centre | West Lorne |
 | West Elgin Community Health Centre, Assisted Living Program | West Lorne |
 | West Elgin Community Health Centre, Chiropody Services | West Lorne |
 | West Elgin Community Health Centre, Clinical Dietitian Services | West Lorne |
 | West Elgin Community Health Centre, Community Engagement | West Lorne |
 | West Elgin Community Health Centre, Community Support Services for Seniors | West Lorne |
 | West Elgin Community Health Centre, Community Support Services for Seniors, Caregiver Support | West Lorne |
 | West Elgin Community Health Centre, Community Support Services for Seniors, Friendly Visiting | West Lorne |
 | West Elgin Community Health Centre, Community Support Services for Seniors, Meals on Wheels | West Lorne |
 | West Elgin Community Health Centre, Community Support Services for Seniors, Security Checks and Reassurance Service | West Lorne |
 | West Elgin Community Health Centre, Community Support Services for Seniors, Transportation | West Lorne |
 | West Elgin Community Health Centre, Cooking Classes | West Lorne |
 | West Elgin Community Health Centre, Health Promotion and System Navigation Services | Elgin |
 | West Elgin Community Health Centre, Mental Health Services | West Lorne |
 | West Elgin Community Health Centre, Parenting Support | West Lorne |
 | West Elgin Community Health Centre, Primary Health Care Services | West Lorne |
 | West Elgin Community Health Centre, Tutoring | West Lorne |
 | West Elgin Community Health Centre, West Elgin Diabetes Team | West Lorne |
 | Windsor-Essex Children's Aid Society | Windsor Central |
 | Windsor-Essex Children's Aid Society, Leamington Office | Leamington (Town of) |
 | Windsor Essex Community Health Centre, City Centre Health Care, Satellite Branch | Windsor Central |
 | Windsor Mood Disorders Self Support Group | Windsor |
 | Windsor. City of Windsor, Recreation and Culture, Administration, Special Services | Windsor Central |
 | Windsor Regional Children's Centre | Windsor West |
 | Windsor Regional Children's Centre, Clinic Services | Windsor West |
 | Windsor Regional Children's Centre, Crisis Services, Emergency Crisis Response | Windsor West |
 | Windsor Regional Children's Centre, Crisis Services, Walk-in Clinic | Windsor West |
 | Windsor Regional Children's Centre, Intensive Family Services, Milieu Continuum Program (Ranges from residential to day treatment) | Windsor West |
 | Windsor Regional Hospital, Children's Health Care Network | Windsor Central |
 | Windsor Regional Hospital, Metropolitan Campus, Paediatric Mental Health Program | Windsor West |
 | Windsor Regional Hospital, OZAD Institute | Windsor West |
 | Windsor Regional Hospital, Regional Mental Health Care, Windsor-Essex County, ACT Teams | Windsor Central |
 | Windsor Regional Hospital, Tafour Campus, Family Mental Health and Addictions, Concurrent Disorders Treatment Program | Windsor West |
 | Windsor Regional Hospital, Tafour Campus, Family Mental Health and Addictions, Dual Diagnosis Outreach Services | Windsor West |
 | Windsor Regional Hospital, Tafour Campus, Family Mental Health and Addictions, Mood and Anxiety Disorder Treatment Program | Windsor West |
 | Windsor Regional Hospital, Tayfour Campus, Geriatric Assessment/Consultation Program | Windsor West |
 | Windsor Regional Hospital, Western Campus, Family Mental Health and Addictions Services, Residential Rehabilitation/Treatment Program | Windsor South |
 | WOTCH Community Mental Health Services | London |
 | WOTCH Community Mental Health Services, Clinical Services | London |
 | WOTCH Community Mental Health Services, Community Integration | London |
 | WOTCH Community Mental Health Services, Family Support Program | London |
 | WOTCH Community Mental Health Services, Intensive Case Management Services | London |
 | WOTCH Community Mental Health Services, Life Management Program | London |
 | WOTCH Community Mental Health Services, Piccadilly Residential Treatment Facility (RTF) | London |
 | WOTCH Community Mental Health Services, Vocational Rehabilitation Services | London |
 | WOTCH Community Mental Health Services, WOTCH Permanent Housing | London |