| AboutFace | North York West |
| Adoption Council of Ontario | Toronto |
| Advocacy Centre for Tenants Ontario | Toronto |
| Advocacy Centre for the Elderly | Toronto |
| Alzheimer Society Huron Perth, Stratford Office | Stratford |
| ARCH Disability Law Centre | Toronto |
| Arthritis Society Canada | Toronto Downtown Central |
| Avon Maitland District School Board, Education Centre | Huron East |
| Brain Injury Association of London and Region - Perth Huron, Avondale United Church, Perth County Social Leisure Group | Stratford |
| Brain Injury Association of London and Region - Perth Huron, Local Community Food Centre, Perth County Support Group | Stratford |
| Canada Mortgage and Housing Corporation, Ontario | Toronto |
| Canada. Indigenous Services Canada, Indian Residential Schools Settlement Agreement | Gatineau |
| CanadaHelps | |
| Canadian Cancer Society - Ontario Division, Cancer Information Service | Toronto Downtown North |
| Canadian Centre to End Human Trafficking, Canadian Human Trafficking Hotline | Ontario |
| Canadian Environmental Law Association | Toronto |
| Canadian Red Cross, Toronto Branch, First Contact Program | Toronto |
| Children's Mental Health Ontario | Toronto |
| Chinese and Southeast Asian Legal Clinic, Toronto | Toronto |
| Christian Resource Centre for Huron-Perth Presbytery | West Perth |
| Connecting the Dots for Caregivers, Huron-Perth Counties | Stratford |
| Cystic Fibrosis Canada, Huron Oxford Perth Chapter | North Perth |
| Diabetes Canada | Toronto Downtown Central |
| Dietitians of Canada - UnlockFood.ca | Toronto Downtown Central |
| General Topics and Information - Central East, Directory Assistance | |
| Dying With Dignity Canada | Toronto |
| Family Services Perth-Huron, Stratford, Connecting Seniors | Stratford |
| Family Services Perth-Huron, Stratford, Family Support - Case Management | Stratford |
| Fem'aide : Francophone helpline for women affected by violence | Ontario |
| Four County Labour Market Planning Board, Stratford-Bruce Peninsula Economic Region (Bruce, Grey, Huron, Perth), Stratford-Bruce Peninsula Economic Region Workforce Board | Brockton |
| General Topics and Information - Central East, Huron County, Flu Clinic Schedules, Central East Ontario | Goderich |
| General Topics and Information - Central East, Perth County, Flu Clinic Schedules, Central East Ontario | Stratford |
| Green Communities Canada | Peterborough |
| HIV & AIDS Legal Clinic Ontario (HALCO) | Toronto |
| Huron County Library, Kirkton Branch, Library Services | South Huron |
| Huron Health System - Alexandra Marine and General Hospital, Goderich - Huron Rd, Huron Perth Clinical Intensive Case Management | Goderich |
| Huron Perth Community Legal Clinic, Goderich | Goderich |
| Huron Perth Community Legal Clinic, Stratford | Stratford |
| Huron Perth Healthcare Alliance, SGH - Special Services Unit - Stratford, Eating Disorders Outreach Program | Stratford |
| Huron-Perth Catholic District School Board, Catholic Education Centre, Dublin | West Perth |
| Hydrocephalus Canada | Etobicoke Central |
| IAVGO Community Legal Clinic | Toronto |
| Income Security Advocacy Centre | Toronto |
| Justice for Children and Youth | Toronto |
| Knollcrest Lodge, Community Outreach Services | Perth East |
| Landlord's Self Help Centre | Toronto |
| Leukemia and Lymphoma Society of Canada - Ontario Region | North York East |
| Listowel Wingham Hospitals Alliance, Listowel Memorial Hospital | North Perth |
| Listowel Wingham Hospitals Alliance, Wingham and District Hospital | North Huron |
| Ministry of Natural Resources, Southern Region - Peterborough | Peterborough |
| Muscular Dystrophy Canada - Ontario Regional Office | Toronto Downtown North |
| National Eating Disorder Information Centre | Toronto Downtown Central |
| National Student Loans Service Centre | Mississauga |
| North Perth. Municipal Office, North Perth Public Library - Atwood Branch, North Perth Public Library - branches | North Perth |
| North Perth. Municipal Office, North Perth Public Library - Listowel Branch | North Perth |
| North Perth. Municipal Office, North Perth Public Library - Monkton Branch, North Perth Public Library - branches | North Perth |
| Office of the Fire Marshal, Gravenhurst, Public Safety Training Division - Ontario Fire College Resource Centre | Gravenhurst |
| Ontario Health atHome South West Area, Stratford Office, Information and Referral | Stratford |
| Ontario Health atHome South West Area, Stratford Office, Ontario Health atHome | Stratford |
| Ontario. Ministry for Seniors and Accessibility | Toronto |
| Ontario. Ministry of Agriculture, Food and Agribusiness, Clinton, Clinton Resource Centre | Central Huron |
| Ontario. Ministry of Agriculture, Food and Agribusiness, Stratford - Lorne Ave E, Stratford Resource Centre | Stratford |
| Ontario. Ministry of Children, Community and Social Services, Mailing address, ServiceOntario INFOline | |
| Ontario. Ministry of Children, Community and Social Services. Family Responsibility Office | Toronto |
| Ontario. Ministry of Children, Community and Social Services. Support Services for Male Survivors of Sexual Abuse Program | Toronto |
| Ontario. Ministry of Education, Central East Region, Child Care Quality Assurance and Licensing | Toronto |
| Ontario. Ministry of Environment, Conservation and Parks, Peterborough - Mailing Address, Natural Resources Information and Support Centre | Peterborough |
| Ontario. Ministry of Health, Health811 | Toronto Downtown Central |
| Ontario. Ministry of Health, Sexual Health Infoline Ontario | Toronto Downtown |
| General Topics and Information - Central East, Ontario. Ministry of Health and Long-Term Care, Wait Times in Ontario | |
| Ontario. Ministry of Long-Term Care, Long-Term Care Family Support and Action Line | Toronto Downtown Central |
| Ontario. Ministry of the Attorney General. Justice Ontario | Toronto |
| 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, Listowel, North Perth Resource Centre | North Perth |
| Perth County Information Network | St Marys |
| Perth East Public Library, Children's Programs, Milverton | Perth East |
| Perth East Public Library, Milverton | Perth East |
| Prosper Canada, Financial Empowerment | Toronto |
| Quality In Lifelong Learning Network, QUILL Learning Network, Literacy and Basic Skills Support Organization | Huron East |
| Service Canada Centres - Perth and Huron Counties, Exeter, Scheduled Outreach Site | South Huron |
| Service Canada Centres - Perth and Huron Counties, Stratford, Service Canada Centre | Stratford |
| Service Canada Centres - Perth and Huron Counties, Wingham, Scheduled Outreach Site | North Huron |
| ServiceOntario - Huron County, Exeter, Huron County Service Counters | South Huron |
| ServiceOntario - Perth County, Listowel, Perth County Service Counters | North Perth |
| ServiceOntario - Perth County, Mitchell, Perth County Service Counters | West Perth |
| ServiceOntario - Perth County, Stratford - 59 Lorne Ave E, Stratford Full Service Counter | Stratford |
| Shelterlink Youth Services | Stratford |
| Soil and Crop Improvement Association, Environmental Farm Plan | |
| Soil and Crop Improvement Association, Mailing Address Only - Perth County, Sustainable Canadian Agricultural Program (Sustainable CAP) | |
| St Marys Public Library, Reading Buddlies Literacy Tutoring | St Marys |
| St Marys Public Library | St Marys |
| St. Marys Museum and Archives, St Marys Museum and Archive | St Marys |
| Stratford Perth Humane Society | Stratford |
| Stratford Public Library, Baby Steps | Stratford |
| Stratford Public Library, Public Library On Wheels | Stratford |
| Stratford Public Library, Public Internet Access and Computers | Stratford |
| Stratford Public Library, Reading Buddies | Stratford |
| Stratford Public Library | Stratford |
| Stratford Public Library, Summer Programs | Stratford |
| Stratford Public Library, Visiting Library Service | Stratford |
| Stratford Public Library, Whale of a Tale | Stratford |
| Stratford-Perth Archives | Stratford |
| The Farmers' Toolbox, Online / Web Service | Perth |
| Town of St Marys Home Support Services | St Marys |
| United Way Perth-Huron, Online / Web Service, Connect Youth Perth-Huron | Stratford |
| Wellspring Stratford Cancer Support Centre | Stratford |
| West Perth. Municipal Office, West Perth Public Library | West Perth |
| Workers Health and Safety Legal Clinic | Toronto |
| YMCA of Southwestern Ontario, London Administration Office, Youth Gambling Awareness Program, YMCA Learning Centre | London |