| Salvation Army, Listowel, 272 Main St E - Thrift Store, Thrift Store | North Perth |
| Salvation Army, Listowel, 295 Main St W - HOPE Links North Perth, HOPE Links North Perth | North Perth |
| Salvation Army, Listowel, 326 Main St. E, Unit D - Family Services & Food Bank, Christmas Hampers Program | North Perth |
| Salvation Army, Listowel, 326 Main St. E, Unit D - Family Services & Food Bank, Community and Family Services | North Perth |
| Salvation Army, Listowel, 326 Main St. E, Unit D - Family Services & Food Bank, Food Bank | North Perth |
| Salvation Army, Listowel, 625 Main St E - Church, Church | North Perth |
| Salvation Army, Listowel, Schools Supplies Program, 326 Main St. E, Unit D - Family Services & Food Bank | North Perth |
| Salvation Army, North Huron, Christmas Hamper Program, Wingham | North Huron |
| Salvation Army, Stratford - St. Marys Regional Community Ministries, Christmas Hampers, St Marys - Queen St | St Marys |
| Salvation Army, Stratford - St. Marys Regional Community Ministries, Christmas Hampers, Stratford - Lightbourne Ave | Stratford |
| Salvation Army, Stratford - St. Marys Regional Community Ministries, Mitchell Community Food Bank | West Perth |
| Salvation Army, Stratford - St. Marys Regional Community Ministries, St Marys - Queen St, Family and Community Services and Food Bank, St. Marys | St Marys |
| Salvation Army, Stratford - St. Marys Regional Community Ministries, St Marys - Water St, Thrift Store | St Marys |
| Salvation Army, Stratford - St. Marys Regional Community Ministries, Stratford - Lightbourne Ave, Community and Family Services, Free Income Tax Clinic | Stratford |
| Salvation Army, Stratford - St. Marys Regional Community Ministries, Stratford - Lightbourne Ave, Correctional and Justice Services | Stratford |
| Salvation Army, Stratford - St. Marys Regional Community Ministries, Stratford - Lightbourne Ave, Family Services, Stratford Lightbourne Ave | Stratford |
| Salvation Army, Stratford - St. Marys Regional Community Ministries, Stratford - Lightbourne Ave, Food Bank, Stratford | Stratford |
| Salvation Army, Stratford - St. Marys Regional Community Ministries, Stratford - Lightbourne Ave | Stratford |
| Sawyer Preservation Woodlot Association | West Perth |
| Seaforth & District Horticultural Society | Huron East |
| Seaforth Broomball League | Huron East |
| Seaforth Curling Club | Huron East |
| Seaforth Harmony Kings | Huron East |
| Seaforth Lions Club, Mailing Address | Huron East |
| Seaforth Taxi | South Huron |
| Sebringville Athletic Association | Perth East |
| Second Harvest Canada, Toronto | Toronto |
| Service Canada | Ontario |
| Service Canada, Listowel, Listowel Service Canada Centre | North Perth |
| 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, Office of the Registrar General | Toronto |
| 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, Online Service, ONLAND - Ontario Land Registry Access, Perth County | |
| ServiceOntario - Perth County, Stratford - 59 Lorne Ave E, Stratford Full Service Counter | Stratford |
| Shakespeare & Community Athletic Association, Mailing Address | Perth East |
| Shakespeare Quilt Club | Perth East |
| Shelterlink Youth Services | Stratford |
| Shelterlink Youth Services, The Local Community Food Centre, Peer to Peer Support Group | Stratford |
| Shoppers Drug Mart, Stratford - Ontario St | Stratford |
| Shoppers Drug Mart, Stratford - Huron St | Stratford |
| Shoppers Drug Mart, Listowel | Listowel |
| Sinclair Pharmacy | Stratford |
| Skate Wallace Figure Skating Club | North Perth |
| smallTALK: Huron Perth Preschool Speech Language Initiative, Stratford | Stratford |
| Snow Angels Central East, Online service | Collingwood |
| Social Benefits Tribunal | Toronto |
| Soil and Crop Improvement Association, Environmental Farm Plan | |
| Soil and Crop Improvement Association, Mailing Address Only - Perth County, Sustainable Canadian Agricultural Program (Sustainable CAP) | |
| Soil and Crop Improvement Association, Mailing Address Only - Perth County | Perth County |
| Sole Purpose Essential Foot Care | South Huron |
| South Huron Medical Centre and Walk-In Clinic | Exeter |
| South Perth Men's Fastball League, No Physical Address | Perth South |
| South West Self-Management, Various locations and online | Huron East |
| Special Olympics Ontario - Central Ontario, Stratford & Area - Mailing Address, Special Olympics Ontario - Stratford & Area | Stratford |
| Spectrum Acres | East Zorra-Tavistock |
| Spruce Lodge Continuum of Care, Hamlet Non-Profit Estates, Hamlet Estates Life Lease Housing | Stratford |
| Spruce Lodge Continuum of Care, Spruce Lodge, Long Term Care Facility | Stratford |
| Spruce Lodge Continuum of Care, Woodland Towers, Non Profit Housing Corporation - Woodland Towers | Stratford |
| St Andrew's Presbyterian Church, Stratford, Community Meals | Stratford |
| St Andrew's Presbyterian Church, Stratford | Stratford |
| St James Anglican Church, Food Bank, St James Church | Stratford |
| St James Anglican Church, St James Church, Community Meals | Stratford |
| St James Anglican Church, St James Church | Stratford |
| St James Anglican Church, St Marys | St Marys |
| St James Anglican Church, St Marys, St Marys Community Closet | St Marys |
| St John Ambulance Midwestern Ontario, St John Ambulance Stratford-Perth, Various Locations | |
| St Joseph's Health Care London, Huron and Perth Counties, Palliative Pain & Symptom Management Consultation Program, Huron and Perth Counties | |
| St Marys & Area Mobility Services | St Marys |
| St Marys Badminton Club | St Marys |
| St Marys Clicks - Photography Club | St Marys |
| St Marys Community Players | St Marys |
| St Marys Curling Club | St Marys |
| St Marys Early Learning Centre, Friendship Centre at the Pyramid Centre, St Marys EarlyON Program | St Marys |
| St Marys Early Learning Centre, St Marys Early Learning Centre - Peel St N | St Marys |
| St Marys Farmers' Market | St Marys |
| St Marys Horticultural Society, St Marys Legion Hall | St Marys |
| St Marys Ladies Slo-Pitch, No Physical Address | St Marys |
| St Marys Men's Slo-Pitch, No Physical Address | St Marys |
| St Marys Minor Ball Association, Mailing Address | St Marys |
| St Marys Minor Hockey Association | St Marys |
| St Marys Minor Soccer, Mailing Address | St Marys |
| St Marys Physiotherapy and Rehabilitation Clinic | St Marys |
| St Marys Presbyterian Church | St Marys |
| St Marys Public Library, Friends of the St Marys Public Library | St Marys |
| St Marys Public Library, Reading Buddlies Literacy Tutoring | St Marys |
| St Marys Public Library | St Marys |
| St Marys Ringette | St Marys |
| St Marys Soccer Club, No Physical Address | St Marys |
| St Marys United Church | St Marys |
| St Marys. Municipal Office, Pyramid Recreation Centre, St Marys Youth Centre | St Marys |
| St Marys. Municipal Office, Recreation Department - Friendship Centre, Pyramid Recreation Centre | St Marys |
| St Marys. Municipal Office, St. Marys - 172 James St S, St Marys. Fire Department | St Marys |
| St Marys. Municipal Office, St. Marys - Queen St, Community Outreach Worker | St Marys |
| St Marys. Municipal Office, St. Marys - Queen St | St Marys |
| St Marys. Municipal Office, St. Marys Landfill - Water St, St Marys Landfill Site | St Marys |
| St Patrick's Roman Catholic Church, Dublin | West Perth |
| St Patrick's Roman Catholic Church, Kinkora | Perth East |
| St Paul's Anglican Church, Food Bank, Stratford | Stratford |
| St Paul's Anglican Church, Stratford | Stratford |
| St Paul's Anglican Church, Stratford, Thrift Store | Stratford |
| St Stephen's Anglican Church | Stratford |
| St Stephen's Anglican Church, St Stephen's Anglican Recreation Team | Stratford |
| St Vincent de Paul Roman Catholic Church, Mitchell | West Perth |
| St. Columban Soccer Club, St. Columban Minor Soccer Association | Huron East |
| St. Marys Healthcare Foundation | St Marys |
| St. Marys Kinette Club, St. Mary's - Mailing Address Only | St Marys |
| St. Marys Lions Club | St Marys |
| St. Marys Minor Basketball | St Marys |
| St. Marys Museum and Archives, St Marys Museum and Archive | St Marys |
| St. Marys Quarry | St Marys |
| St. Marys Taxi | St Marys |
| STAR Family Health Team, Avon Family Medicine Centre - Huron St. | Stratford |
| STAR Family Health Team, O'Loane Medical Clinic | Stratford |
| STAR Family Health Team, O'Loane Medical Clinic | Stratford |
| Star Taxi - Exeter | South Huron |
| Star Taxi - Grand Bend | Lambton Shores |
| Stonetown Co-operative Homes | St Marys |
| Stonetowne Quilters Guild, Pyramid Centre, St Marys | St Marys |
| Stop Violence Against Women Coordinating Committee of Perth County, Stratford | Stratford |
| Stratford & District Agricultural Society, Burnside Agriplex | Stratford |
| Stratford & District Agricultural Society, Stratford Agriplex, Stratford Farmers' Market | Stratford |
| Stratford & District Christian School | Stratford |
| Stratford & District Horticultural Society, GardenStratford | Stratford |
| Stratford Airporter, Mailing Address | Stratford |
| Stratford and Area Master Gardeners, No Physical Address | Stratford |
| Stratford and District Labour Council | Stratford |
| Stratford and District Ostomy Association | Stratford |
| Stratford and District Right to Life, Mailing Address | Stratford |
| Stratford and District Saddle Club | Stratford |
| Stratford Astronomy Group | Stratford |
| Stratford Badminton Club | Stratford |
| Stratford Basketball Association, Mailing Address Only | Stratford |
| Stratford Chefs School | Stratford |
| Stratford Children's Services | Stratford |
| Stratford Christian Reformed Church, Cadets | Stratford |
| Stratford Christian Reformed Church, Gems | Stratford |
| Stratford Christian Reformed Church | Stratford |
| Stratford City Cabs | Stratford |
| Stratford Coin Club | Stratford |
| Stratford Concert Band, Mailing Address | Stratford |
| Stratford Concert Choir Association Inc., Stratford Concert Choir | Stratford |
| Stratford Cygnets Cooperative Preschool Centre, St Ambrose Site, Stratford Cygnets Cooperative Preschool Centres | Stratford |
| Stratford Dog Park Association | Stratford |
| Stratford Dragon Boat Club, Junior Stratford Dragonboat Boat Club, No Physical Address | Stratford |
| Stratford Dragon Boat Club, No Physical Address | Stratford |
| Stratford Family Health Team | Stratford |
| Stratford Fencing Ontario | Stratford |
| Stratford Festival | Stratford |
| Stratford Field Naturalists, Mailing Address | Stratford |
| Stratford General Hospital Foundation | Stratford |
| Stratford House of Blessing, Christmas Toys | Stratford |
| Stratford House of Blessing, Food Bank | Stratford |
| Stratford House of Blessing, Off to School Smiling | Stratford |
| Stratford House of Blessing, Christmas Food Hamper | Stratford |
| Stratford House of Blessing | Stratford |
| Stratford Lakeside Active Adults Association, Burnside Agriplex | Stratford |
| Stratford Lawn Bowling Club | Stratford |
| Stratford Medical Pharmacy, Stratford - Jenny Trout Centre | Stratford |
| Stratford Midwives | Stratford |
| Stratford Minor Baseball Association | Stratford |
| Stratford Minor Girls Hockey Association, Mailing Address Only | Stratford |
| Stratford Minor Girls Softball Association | Stratford |
| Stratford Minor Hockey Association, Mailing Address Only | Stratford |
| Stratford Mission Depot, Hayter Hall, St Andrew's Presbyterian Church | Stratford |
| Stratford Model Club | Perth South |
| Stratford Mosque | Stratford |
| Stratford Musicians' Association, American Federation of Musicians Local 418 | St Marys |
| Stratford Perth Centre for Business | Stratford |
| Stratford Perth Community Foundation | Stratford |
| Stratford Perth Heritage Foundation, Fryfogel Arboretum | Perth East |
| Stratford Perth Heritage Foundation, Fryfogel Tavern Restoration Project | Perth East |
| Stratford Perth Heritage Foundation | Perth East |
| Stratford Perth Humane Society | Stratford |
| Stratford Perth Museum | Stratford |
| Stratford Pharmasave | Stratford |
| Stratford Physiotherapy Centre-pt Health | Stratford |
| Stratford Plastic Surgery | Stratford |
| Stratford Police Pipes and Drums | Stratford |
| Stratford Pride Community Centre | Stratford |
| Stratford Public Library, Baby Steps | Stratford |
| Stratford Public Library, Public Library On Wheels | Stratford |
| Stratford Public Library, Good Book Group | Stratford |
| Stratford Public Library, Public Internet Access and Computers | Stratford |
| Stratford Public Library, Reading Buddies | Stratford |
| Stratford Public Library, Story Starters | Stratford |
| Stratford Public Library | Stratford |
| Stratford Public Library, Summer Programs | Stratford |
| Stratford Public Library, Technology (Tech) Tutors | Stratford |
| Stratford Public Library, Visiting Library Service | Stratford |
| Stratford Public Library, Whale of a Tale | Stratford |
| Stratford Rotary Hockey League, Mailing Address | Stratford |
| Stratford Scottish Country Dancers | Stratford |
| Stratford Scrabble Club | Stratford |
| Stratford Skating Club, Mailing Address | Stratford |
| Stratford Skills Series, No Physical Address | Stratford |
| Stratford Summer Music, Stratford | Stratford |
| Stratford Sunday Market | Stratford |
| Stratford Tennis Club | Stratford |
| Stratford Tourism Alliance, Destination Stratford (Stratford Tourism Alliance), Destination Stratford | Stratford |
| Stratford Volleyball Club, Burnside Agriplex | Stratford |
| Stratford Youth Soccer, Mailing Address | Stratford |
| Stratford. Municipal Office, Anne Hathaway Day Care Centre | Stratford |
| Stratford. Municipal Office, City Hall Annex - 82 Erie St, Emergency Accommodation | Stratford |
| Stratford. Municipal Office, City Hall Annex - 82 Erie St, Social Services Department - Canada-Ontario Housing Benefit | Stratford |
| Stratford. Municipal Office, City Hall Annex - 82 Erie St, Social Services Department - Children's Services | Stratford |
| Stratford. Municipal Office, City Hall Annex - 82 Erie St, Social Services Department | Stratford |
| Stratford. Municipal Office, City Hall Annex - 82 Erie St., Social Services Department - Housing Access Centre | Stratford |
| Stratford. Municipal Office, Parallel Transit Division, Stratford - 60 Corcoran St | Stratford |
| Stratford. Municipal Office, Social Services Department - Affordable Home Ownership Program, City Hall Annex - 82 Erie St | Stratford |
| Stratford. Municipal Office, Social Services Department - Children's Resource Consultant Program, City Hall Annex - 82 Erie St | Stratford |
| Stratford. Municipal Office, Social Services Department - Housing Stability Bank, City Hall Annex - 82 Erie St | Stratford |
| Stratford. Municipal Office, Social Services Department - Ontario Works, City Hall Annex - 82 Erie St | Stratford |
| Stratford. Municipal Office, Stratford - 388 Erie St, Stratford Fire Department | Stratford |
| Stratford. Municipal Office, Stratford - 60 Corcoran St, Stratford Transit | Stratford |
| Stratford. Municipal Office, Stratford City Hall | Stratford |
| Stratford. Municipal Office, Stratford Police Service | Stratford |
| Stratford. Municipal Office, Stratford Rotary Complex | Stratford |
| Stratford-on-Avon Shrine Club, Stratford Avon Shrine Club | Stratford |
| Stratford-Perth Archives | Stratford |
| Stratford-Perth Pride, Mailing Address | Stratford |
| Sunshine Drugs - Jackson's Guardian | St Marys |