| Advocacy Centre for Tenants Ontario | Toronto |
| Advocacy Centre for the Elderly | Toronto |
| Alert Ready - Emergency Alert System | Ontario |
| Alzheimer Society Huron Perth, Stratford Office, Alzheimer Society Huron Perth - Stratford Office | Stratford |
| ARCH Disability Law Centre | Toronto |
| Aura Freedom International | Toronto |
| Automobile Protection Association | Toronto |
| Beaver Creek Institution | Gravenhurst |
| Black Youth Helpline | Toronto |
| By Peaceful Waters, Listowel Office | Listowel |
| By Peaceful Waters, Stratford Office | Stratford |
| Canada. Indigenous Services Canada, Indian Residential Schools Settlement Agreement | Gatineau |
| General Topics and Information - Central East, Service Canada, Online Services and Forms | |
| Canadian Bar Association (The), Pro Bono Initiative - Crisis in Ukraine | Ottawa |
| Canadian Centre for Housing Rights, Eviction Prevention and Tenant Support | Toronto |
| Canadian Environmental Law Association | Toronto |
| Chinese and Southeast Asian Legal Clinic | Toronto |
| 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, Stratford Office - 10 Downie St, CMHA Huron Perth Addiction and Mental Health Services, Stratford | Stratford |
| Dying with Dignity Canada | Toronto |
| General Topics and Information - Central East, Elder Abuse Prevention Ontario | |
| Elder Abuse Prevention Ontario | Etobicoke Central |
| Facile: Independent Facilitation Perth, Facile Perth | Stratford |
| Family & Elder, Community Work Place Mediation Services, No Physical Address, Family Mediation - Judith Denault | |
| Fem'aide : Francophone helpline for women affected by violence | Ontario |
| First Line Security, Mailing Address | Brockton |
| Georgian Bay Fire & Safety, Stratford, Georgian Bay Fire & Safety, Stratford | Stratford |
| Gospel Echoes Team of Canada | Perth East |
| HIV & AIDS Legal Clinic Ontario (HALCO) | Toronto |
| Human Rights Tribunal of Ontario | Toronto |
| Huron Perth Community Legal Clinic, Goderich | Goderich |
| Huron Perth Community Legal Clinic, Stratford | Stratford |
| Huron Perth Public Health, School Health - Huron County, Clinton - London Rd | Central Huron |
| IAVGO Community Legal Clinic | Toronto |
| Income Security Advocacy Centre | Toronto |
| John Howard Society London and District, Stratford Jail, Institutional Visiting and Reintegration Support Program | Stratford |
| John Howard Society London and District, United Centre Stratford, Bail Verification and Supervision Program | Stratford |
| Justice for Children and Youth | Toronto |
| Knollcrest Lodge, Community Outreach Services | Perth East |
| Landlord's Self Help Centre | Toronto |
| Law Society of Ontario, Law Society Referral Service | Toronto |
| General Topics and Information - Central East, Lost Wallet | |
| Ontario Federation for Cerebral Palsy | North York Central |
| Ontario Human Rights Commission, 180 Dundas St W | Toronto Downtown |
| Ontario Parole Board, Victim Support | Toronto |
| Ontario Provincial Police, Orillia - Memorial, General Headquarters | Orillia |
| Ontario Provincial Police, Sebringville, Perth County Detachment | Perth East |
| Ontario. Members of Provincial Parliament (Perth Wellington), Perth Wellington Riding, Provincial Constituency Office - Matthew Rae - Perth-Wellington Riding | Stratford |
| Ontario. Ministry of Children, Community and Social Services. Family Responsibility Office | Toronto |
| Ontario. Ministry of Children, Community and Social Youth Services, Stratford, Youth Justice Services, Stratford | Stratford |
| Ontario. Ministry of Government and Consumer Services. Consumer Protection Ontario | Toronto |
| Ontario. Ministry of Long-Term Care, Long-Term Care Family Support and Action Line | Toronto Downtown Central |
| Ontario. Ministry of Municipal Affairs and Housing. Rental Housing Enforcement Unit | Toronto |
| Ontario. Ministry of the Attorney General, Enforcement Offices, Stratford - 100 St Patrick St | Stratford |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice - Criminal Court Operations, Stratford - 100 St Patrick St | Stratford |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice - Family Court, Stratford - 100 St Patrick St | Stratford |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Stratford - St. Patrick St, Stratford - 100 St Patrick St | Stratford |
| Ontario. Ministry of the Attorney General, Stratford - 1 Huron St., Superior Court of Justice - Civil Court | Stratford |
| Ontario. Ministry of the Attorney General, Stratford - 1 Huron St., Superior Court of Justice - Family Matters | Stratford |
| Ontario. Ministry of the Attorney General, Stratford - 100 St Patrick St, Family Law Information Centre | Stratford |
| Ontario. Ministry of the Attorney General, Stratford - 5 Huron St., Victim / Witness Assistance Program | Stratford |
| Ontario. Ministry of the Attorney General, Superior Court of Justice - Criminal Court, Stratford, Stratford - 1 Huron St. | Stratford |
| Ontario. Ministry of the Attorney General, Superior Court of Justice - Small Claims Court, Stratford - 100 St Patrick St | Stratford |
| Ontario. Ministry of the Attorney General. Office of the Public Guardian and Trustee | Toronto |
| Ontario. Ministry of the Solicitor General, Stratford - St Andrew St - Stratford Jail, Stratford Jail | Stratford |
| Ontario. Ministry of the Solicitor General, Stratford, Probation and Parole Services | Stratford |
| Ontario. Office of the Worker Adviser, Scarborough Office, Ontario. Office of the Worker Adviser, Scarborough Office | Toronto |
| Optimism Place Women's Shelter and Support Services, Counselling and Transition Supports, Stratford | Stratford |
| Optimism Place Women's Shelter and Support Services, Family Court Support Program, Stratford | Stratford |
| Optimism Place Women's Shelter and Support Services, Listowel, North Perth Resource Centre | North Perth |
| Optimism Place Women's Shelter and Support Services, Child and Youth Services | Stratford |
| Perth County Federation of Agriculture, Mailing Address | |
| Perth County. Municipal Office, Ontario Court of Justice. Provincial Offences Office | Stratford |
| Perth Elder Abuse Committee, Online / Web Service | Stratford |
| PREVNet, Promoting Relationships and Eliminating Violence Network | Canada |
| Prisoners HIV / AIDS Support Action Network, Prisoners HIV/AIDS Support Action Network | Toronto |
| Royal Canadian Mounted Police, Online Service, Find an RCMP Detachment | Ontario |
| Salvation Army, Stratford - St. Marys Regional Community Ministries, Stratford - Lightbourne Ave, Correctional and Justice Services | Stratford |
| ServiceOntario, Office of the Registrar General | Toronto |
| Stop Violence Against Women of Perth County, Stratford, Coordinating Committee | Stratford |
| Stratford Police Service | Stratford |
| Stratford. Municipal Office, City Hall Annex - 82 Erie St - 1st floor, Social Services Department - Ontario Works | Stratford |
| The Space Within, Stratford | Stratford |
| Town of St Marys Home Support Services | St Marys |
| Victim Services of Huron County, Beyond the Locker Room | Central Huron |
| Workers Health and Safety Legal Clinic | Toronto |