| | Organization Name(s) | Located In |
 | Sacks (Dr. Eileen) | Penetanguishene |
 | Sacred Heart Catholic Church. Port McNicoll | Port McNicoll |
 | Sacred Heart Elementary School. Midland | Midland |
 | Saint Ann's Roman Catholic Church/Église Sainte Anne | Penetanguishene |
 | Saint Elizabeth | Barrie |
 | Saint Patrick's Roman Catholic Church/Église Sainte Patrick | Perkinsfield |
 | Sainte-Marie Among The Hurons, Huronia Historical Parks, Ministry of Tourism and Culture | Midland |
 | Salvation Army (The), Collingwood Community Church, Collingwood Food Bank | Collingwood |
 | Salvation Army (The). Orillia Corps, Christmas Hamper Program | Orillia |
 | Salvation Army (The). Orillia Corps, Community and Family Services, Food Bank | Orillia |
 | Salvation Army Hope Acres Community Church (The) | Mulmur |
 | Salvation Army. Barrie Bayside Mission Centre, Family Services Ministry | Barrie |
 | Salvation Army. Barrie Bayside Mission Centre, Mens Emergency Shelter | Barrie |
 | Salvation Army. Barrie Bayside Mission Centre, Mission Centre | Barrie |
 | Salvation Army. Barrie Bayside Mission Centre, Soup Kitchen | Barrie |
 | Salvation Army. Barrie Bayside Mission Centre, Thrift Store. Bayfield St Location | Barrie |
 | Salvation Army. Barrie Bayside Mission Centre, Thrift Store. Essa Rd Location | Barrie |
 | Salvation Army. Barrie Correctional and Justice Services, Simcoe County Bail Verification and Supervision Program | Barrie |
 | Salvation Army. Midland, Community Food Bank | Midland |
 | Salvation Army. Midland, Street Outreach Team | Midland |
 | Salvation Army. Midland Community Church | Midland |
 | Salvation Army. Midland Community Church, Thrift Store | Midland |
 | Samaritan House Community Ministries, Simcoe County | Barrie |
 | Sandersons School of Highland Dance | Innisfil |
| | Sandy's Supportive Services | Barrie |
| | Sapphire Personnel | Barrie |
 | Sara Vista Nursing Centre. Elmvale | Elmvale |
| | SCHIL, Simcoe County Home Schooler Information Link | Barrie |
 | Schmidt [Angela] RMT | Midland |
 | School of Dance and Musicianship (The) | Midland |
| | Scottish Connection | Barrie |
 | Scottish Rite | Barrie |
| | Scouts Canada, Simcoe Phoenix Area | Barrie |
 | Scouts Canada Camp, Camp Wildman | Tiny |
 | Scouts Canada. Midland Area | Midland |
 | Seasons Centre for Grieving Children | Barrie |
| | Season's of Change | Simcoe North |
 | Sedgwick Post & Hogg, LLP | Midland |
 | Self Help Resource Centre of Greater Toronto, Provincial Outreach | Toronto |
 | Senior Homecare By Angels | Barrie |
| | Senior Solutions | Barrie |
| | Seniors for Seniors, Simcoe Muskoka | Barrie |
 | Serenata Choir Inc | Midland |
 | Serenity Birth Studio | Oro-Medonte |
 | Service Employees International Union Local 1 Canada | Barrie |
 | Service Ontario, Driver and Vehicle Licence Issuing and Health Card Renewal Office, Elmvale | Elmvale |
 | Service Ontario, Driver and Vehicle Licence Issuing and Health Card Renewal Office, Midland | Midland |
 | Seven Summits Equestrian Centre | Elmvale |
 | Seven Summits Equestrian Centre, Summer Day Camp | Elmvale |
 | Severn Sound Environmental Association | Midland |
 | Sharing Place Food Bank. Waubaushene | Waubaushene |
 | Sharing Place Orillia and District Food Bank (The) | Orillia |
 | Sharp Bus Lines | |
 | Shawn's Mixed Martial Arts | Midland |
 | Shelter Now, North Simcoe Emergency/Transitional Residential Projects Inc, Hartog House | Midland |
 | Shoppers Drug Mart, Barrie Shopping Centre | Barrie |
 | Shoppers Drug Mart. Midland | Midland |
 | Shoppers Drug Mart. Penetanguishene | Penetanguishene |
| | Simcoe Community Access Network Development Corporation | Barrie |
 | Simcoe Community Services. Barrie Head Office | Barrie |
 | Simcoe Community Services. Barrie Head Office, Accommodation Services, Group Homes | Barrie |
 | Simcoe Community Services. Barrie Head Office, Community Support Services | Barrie |
 | Simcoe Community Services. Barrie Head Office, Community Support Services, Community Support Program | Barrie |
 | Simcoe Community Services. Barrie Head Office, Community Support Services, Employment Support Services | Barrie |
 | Simcoe Community Services. Barrie Head Office, Preschool Services Simcoe, Resource Teacher Program | Barrie |
 | Simcoe Community Services. Barrie Head Office, Preschool Services Simcoe, Sunny Park Nursery School | Barrie |
 | Simcoe Community Services. Barrie Head Office, Specialized Care, Children's Homes | Barrie |
 | Simcoe Community Services. Midland Office, Preschool Services Simcoe, Simcoe County Infant Development Program | Midland |
| | Simcoe Contemporary Dancers | Simcoe County |
 | Simcoe County Addiction and Mental Health Services, Midland Youth Project | Midland |
 | Simcoe County Airport Service | Barrie |
| | Simcoe County Alliance to End Homelessness, Barrie Chapter | Barrie |
| | Simcoe County Alliance to End Homelessness, North Simcoe Chapter | Midland |
| | Simcoe County Alliance to End Homelessness, Orillia Chapter | Orillia |
| | Simcoe County Alliance to End Homelessness, South Georgian Bay Chapter | Collingwood |
| | Simcoe County Alliance to End Homelessness, South Simcoe Chapter | New Tecumseth |
 | Simcoe County Alliance To End Homelessness. Midland Chapter | Midland |
 | Simcoe County Archives | Midhurst |
| | Simcoe County Arts and Crafts Association, Midhurst | Simcoe County |
| | Simcoe County Child Care Committee | Simcoe County |
| | Simcoe County Cloggers | Lefroy |
 | Simcoe County District School Board | Midhurst |
 | Simcoe County District School Board, Classroom Meeting Facilities | Midhurst |
 | Simcoe County District School Board, Continuing Education Department | Midhurst |
 | Simcoe County District School Board, Education Centre, Meeting Facilities | Midhurst |
 | Simcoe County District School Board, Extended Day Program | Midhurst |
 | Simcoe County District School Board, Extended Learning Program | Midhurst |
 | Simcoe County District School Board, Newcomer Welcome Centre | Barrie |
 | Simcoe County District School Board, School Attendance Counsellors | Midhurst |
 | Simcoe County District School Board, The Learning Centres, Barrie Campus, English as a Second Language | Barrie |
 | Simcoe County District School Board. Trustees. Barrie | Midhurst |
 | Simcoe County District School Board. Trustees. Collingwood, Clearview | Midhurst |
 | Simcoe County District School Board. Trustees. Essa, Base Borden, Adjala-Tosorontio | Midhurst |
 | Simcoe County District School Board. Trustees. Innisfil | Midhurst |
 | Simcoe County District School Board. Trustees. Midland, Penetanguishene, Wasaga Beach and Tiny Township | Midhurst |
 | Simcoe County District School Board. Trustees. Native Communities Representative | Midhurst |
 | Simcoe County District School Board. Trustees. New Tecumseth, Bradford West Gwillimbury | Midhurst |
 | Simcoe County District School Board. Trustees. Orillia | Midhurst |
 | Simcoe County District School Board. Trustees. Oro-Medonte, Springwater | Midhurst |
 | Simcoe County District School Board. Trustees. Severn, Ramara, Tay | Midhurst |
 | Simcoe County Eating Disorder Service, Barrie Site | Barrie |
 | Simcoe County Embroidery Guild | Midhurst |
| | Simcoe County Farm Fresh Marketing Association | Simcoe County |
 | Simcoe County Federation of Agriculture | Midhurst |
| | Simcoe County Historical Association | Barrie |
 | Simcoe County Law Association, Simcoe County Law Library | Barrie |
 | Simcoe County Library Cooperative | Midhurst |
| | Simcoe County Master Gardeners | Simcoe County |
 | Simcoe County Museum | Minesing |
 | Simcoe County Museum, Day Camps | Minesing |
| | Simcoe County Parents of Multiples | Barrie |
 | Simcoe County Stingrays Cheer | Barrie |
 | Simcoe County Student Transportation Consortium | Barrie |
| | Simcoe County Suicide Awareness Council | Simcoe County |
| | Simcoe County Women in Trades | Simcoe County |
 | Simcoe County Workplace Wellness Network | Barrie |
| | Simcoe County Young Professionals Association | Simcoe County |
 | Simcoe County, Corporation of, Paramedic Services | Midhurst |
 | Simcoe County, Corporation of, Tourism Simcoe County | Midhurst |
| | Simcoe County, Corporation of. Environmental Services Department, Garbage Collection (Residential) | Midhurst |
 | Simcoe County, Corporation of. Environmental Services Department, Mara Transfer Station, Site 7 | Ramara |
 | Simcoe County, Corporation of. Environmental Services Department, Recycling | Simcoe County |
 | Simcoe County, Corporation of. Finance Department | Midhurst |
 | Simcoe County, Corporation of. Social and Children's Services Division, Children & Community Services, Family Home Day Care | Midhurst |
 | Simcoe County, Corporation of. Social and Children's Services Division, LEAP/Young Parent Programs | Midhurst |
 | Simcoe County, Corporation of. Social and Children's Services Division. Barrie Satellite Office, Ontario Works in Simcoe County | Barrie |
| | Simcoe County, Corporation of. Social and Community Service Division, County-wide Assistance Dental Emergencies, Dentures, Eyeglasses | Simcoe County |
 | Simcoe County, Corporation of. Social and Community Services Division, Children and Community Services | Midhurst |
 | Simcoe County, Corporation of. Social and Community Services Division, Ontario Works Department | Midhurst |
 | Simcoe County, Corporation of. Social and Community Services Division, Ontario Works Department, Collingwood Satellite Office | Collingwood |
 | Simcoe County, Corporation of. Social and Community Services Division., Ontario Works Department, Midland Satellite Office | Midland |
 | Simcoe County, Corporation of. Social and Community Services Division., Ontario Works, Bradford Satellite Office | Bradford West Gwillimbury |
 | Simcoe County, Corporation of. Social and Community Services Division. Alliston Satellite Office, Ontario Works in Simcoe County | Alliston |
 | Simcoe County, Corporation of. Social and Community Services Division. Orillia Satellite Office, Ontario Works Department | Orillia |
 | Simcoe County, Corporation of. Solid Waste Management Department, Collingwood Landfill Site 2 | Collingwood |
 | Simcoe County, Corporation of. Weed Inspection and By-law Enforcement | Midhurst |
 | Simcoe County. Social and Community Services Division, Social Housing Department | Midhurst |
 | Simcoe County. Social Services Division, Social Housing Department, Canada-Ontario Affordable Housing Program's Homeownership Program | Midhurst |
 | Simcoe County. Solid Waste Management Department, Matchedash Landfill Site 8 | Severn |
 | Simcoe County. Solid Waste Management Department, Oro Landfill | Oro-Medonte |
 | Simcoe County. Solid Waste Management Department, Tosorontio Landfill Site | Everett |
 | Simcoe County. Solid Waste Management Department, West Gwillimbury Transfer Station | Bradford |
 | Simcoe County. Solid Waste Management Department., Nottawasaga Landfill Site 10 | Clearview |
 | Simcoe County.Solid Waste Management Department, North Simcoe Transfer Station and Recycling Facility | Midland |
| | Simcoe Huronia Association for Renewable Energy | Midland |
 | Simcoe Huronia Home Services | Barrie |
 | Simcoe Muskoka Action on Smoking and Health | Barrie |
 | Simcoe Muskoka Catholic District School Board | Barrie |
 | Simcoe Muskoka Catholic District School Board, Meeting Facilities | Barrie |
 | Simcoe Muskoka Catholic District School Board, Trustees. Clearview, Collingwood, Springwater, Wasaga Beach | Barrie |
 | Simcoe Muskoka Catholic District School Board, Trustees. Midland, Penetanguishene, Tiny, Tay | Barrie |
 | Simcoe Muskoka District Health Unit, Barrie - 80 Bradford St Location, Clinical Service, Oral Health Program | Barrie |
 | Simcoe Muskoka District Health Unit, Barrie 80 Bradford St Location, Clinical Service, Sexual Health Program, Sexual Health Counselling, Education and Clinic Services | Barrie |
 | Simcoe Muskoka District Health Unit, Barrie Head Office | Barrie |
 | Simcoe Muskoka District Health Unit, Barrie Head Office, thephakz Website for Teens | Barrie |
| | Simcoe Muskoka District Health Unit, Clinical Service, Oral Health Program, Healthy Smiles Ontario, Mobile Clinic Locations | Simcoe County |
 | Simcoe Muskoka District Health Unit, Midland Branch | Midland |
 | Simcoe Muskoka District Health Unit, Midland Branch, Clinical Service | Midland |
 | Simcoe Muskoka District Health Unit, Midland Branch, Clinical Service, Oral Health Program, Healthy Smiles Ontario. Mobile Clinic | Midland |
 | Simcoe Muskoka District Health Unit, Midland Branch, Clinical Service, Sexual Health Program, Sexual Health Counselling, Education and Clinic Services | Midland |
 | Simcoe Muskoka District Health Unit, Midland Branch, Family Health Service | Midland |
 | Simcoe Muskoka District Health Unit, Midland Branch, Family Health Service, Healthy Babies Healthy Children Program | Midland |
 | Simcoe Muskoka District Health Unit, Midland Branch, Family Health Service, Parenting Programs | Midland |
 | Simcoe Muskoka District Health Unit, Midland Branch, Family Health Service, Prenatal Classes | Midland |
 | Simcoe Muskoka District Health Unit, Midland Branch, Health Protection Service | Midland |
 | Simcoe Muskoka District Health Unit, Midland Branch, Healthy Living Service | Midland |
| | Simcoe Muskoka Integrated Fall Strategy (SMIFS) | Simcoe County |
| | Simcoe Muskoka Regional Acute Mental Health and Addiction Service | Simcoe County |
 | Simcoe Muskoka Workforce Development Board | Barrie |
| | Simcoe Pride Committee | Simcoe County |
| | Simcoe Suns Elite Basketball | Barrie |
 | Simcoe Travel Clinic Midland | Midland |
 | Simcoe Urban Native Housing | Barrie |
 | Simcoe Urban Native Housing, Rising SUN Women's Support Group | Barrie |
 | Simcoe Woodturners' Guild | Midhurst |
 | Simcoe/Muskoka Literacy Network | Orillia |
 | Simcoe/Muskoka Supervised Access Centre | Midland |
 | Skate Midland | Midland |
 | Smart Shopper | Barrie |
| | SNAP Midland/Penetang | Midland |
 | Snow Valley | Springwater |
 | Snow Valley, Meeting Rooms | Barrie |
 | Snow Valley, Ski Swap and Open House | Springwater |
 | Social Planning Council of Cambridge and North Dumfries, Information Cambridge and North Dumfries | Cambridge |
| | Social Singles of Simcoe County | Barrie |
| | Society for Creative Anachronism | Midland |
 | Society for Educational Visits and Exchanges in Canada | Ottawa |
 | Society of St Vincent de Paul, Guardian Angels, Sacred Heart Conference, Orillia | Orillia |
 | Society of St Vincent de Paul, St John Vianney Conference. Barrie | Barrie |
 | Society of St Vincent de Paul., St. Paul the Apostle Conference. Alliston | Alliston |
 | Society of St Vincent de Paul. St Ann's Conference. Penetanguishene | Penetanguishene |
 | Society of St Vincent de Paul. St Margaret's Conference. Midland, Food Pantry | Midland |
 | Society of St Vincent de Paul. St Mary's Conference. Barrie | Barrie |
 | Society of St Vincent de Paul. St Patrick's Conference. Wasaga Beach | Wasaga Beach |
 | Society of St Vincent de Paul. St Patrick's Conference. Wasaga Beach, Christmas Assistance | Wasaga Beach |
 | Society of St Vincent de Paul. St. Mary's Conference. Victoria Harbour | Victoria Harbour |
 | Society of St Vincent de Paul. Ste Mary's Conference, Collingwood | Collingwood |
 | Solly Family Dentistry | Elmvale |
 | Sorgini (Dr Richard J) | Midland |
 | Sound Readers® | Barrie |
 | South Essex Community Council | Leamington |
 | South Georgian Bay Lake Simcoe Source Protection Region | Newmarket |
| | South Simcoe 4-H Association | Alliston |
 | South Simcoe Cardiac Services | Barrie |
| | South Simcoe Dufferin Track and Field Club | Barrie |
| | South Simcoe Ladies Fast Pitch League | Simcoe County |
 | South Simcoe Theatre (The) | Cookstown |
 | South West Simcoe Community Action Program for Children, Angus Mothercare/Next Step Program | Angus |
 | South West Simcoe Community Action Program for Children, Mothercare Alliston | Alliston |
 | South West Simcoe Community Action Program for Children, MotherCare Alliston, Next Step Program | Alliston |
| | Southern Georgian Bay Administrators of Volunteer Resources | Simcoe North |
 | Southern Georgian Bay Chamber of Commerce | Midland |
 | Southern Georgian Bay Real Estate Association | Midland |
 | Southern Georgian Bay Township, Community Policing Committee.Southern | Port Severn |
 | Southern Ontario Aboriginal Diabetes Initiative. Central Region | Peterborough |
| | Special Olympics Ontario. Huronia | Midland |
 | Spina Bifida and Hydrocephalus Association of Ontario | Toronto |
 | Springwater Chamber of Commerce | Minesing |
 | Springwater Child Care Centre | Barrie |
 | Springwater Community Policing Committee | Minesing |
 | Springwater Health Services Centre | Elmvale |
 | Springwater Masters Slo-Pitch League | Midhurst |
 | Springwater News | Elmvale |
 | Springwater Soccer Association | Midhurst |
 | Springwater Township Public Library. Midhurst Branch, Summer Programs & Story Time | Midhurst |
 | Springwater Township. Fire Department, Elmvale Fire Station No. 5, Elmvale Firefighter Association | Elmvale |
 | Springwater Township. Fire Department, Hillsdale Fire Station No. 4, Hillsdale Firefighter Association | Midhurst |
 | Springwater Township. Fire Department, Midhurst Fire Station #2 | Midhurst |
 | Springwater Township. Fire Department, Minesing Fire Station No. 3, Minesing Firefighter Association | Midhurst |
 | Springwater Township. Midhurst Community Centre, Meeting Facilities | Midhurst |
 | Springwater Township. Municipal Office | Midhurst |
 | Springwater Township. Public Library. Elmvale Branch | Elmvale |
 | Springwater Township. Public Library. Elmvale Branch, Summer Programs & Story Time | Elmvale |
 | Springwater Township. Public Library. Midhurst Branch | Midhurst |
 | Springwater Township. Public Library. Minesing Branch | Minesing |
 | Springwater Township. Public Library. Minesing Branch, Children's Programs | Minesing |
 | Springwater Township. Recreation Services | Minesing |
 | Springwater Township. Recreation Services, Elmvale Community Arena | Elmvale |
 | Springwater Township. Recreation Services, Elmvale Skatepark | Elmvale |
 | Springwater Vespra Lions Club | Midhurst |
 | Springwater-Elmvale Farmers' Market | Elmvale |
| | St Andrew's Society of Simcoe County | Barrie |
 | St Ann's Cemetery | Penetanguishene |
 | St Ann's Elementary School. Penetanguishene | Penetanguishene |
 | St Antoine Daniel Catholic School. Victoria Harbour | Victoria Harbour |
 | St Bernard's School, Breakfast Club | Orillia |
 | St James On The Line Cemetery | Penetanguishene |
 | St James On-The-Lines Anglican Church | Penetanguishene |
 | St John Ambulance, Barrie Simcoe Muskoka | Barrie |
 | St John the Evangelist Catholic Church. Waubaushene | Waubaushene |
 | St John's Anglican Church. Craighurst | Craighurst |
 | St John's United Church. Elmvale | Elmvale |
 | St Margaret's Catholic Church. Midland | Midland |
 | St Margaret's Cemetery | Midland |
 | St Mark's Anglican Lutheran Church. Midland | Midland |
 | St Mark's Cemetery | Midland |
 | St Mary's Catholic Church. Victoria Harbour | Victoria Harbour |
 | St Patrick's Catholic Church. Phelpston | Phelpston |
 | St Paul's Anglican Church. Midhurst | Midhurst |
 | St Paul's Presbyterian Church. Victoria Harbour | Victoria Harbour |
 | St Paul's United Church. Midland | Midland |
 | St Paul's United Church. Midland, Outreach and Community Support | Midland |
 | St Paul's United Church. Midland, The Fellowship Club | Midland |
 | St Peter's Anglican Church. Minesing | Minesing |
 | St Theresa's High School. Midland | Midland |
| | St. Volodymr and Olha Ukrainian Catholic Church. Perkinsfield | Midland |
| | Stayner Ministerial Meals on Wheels | Stayner |
 | Stellula Music | Penetanguishene |
 | Stephen Lewis Foundation. Grandmothers Campaign, In Grandmothers' Hands Huronia. Simcoe North | Midland |
| | Stewardship Ontario, Municipal Household Special Waste Program, Orange Drop | Toronto |
 | Still Hope Farm | Midland |
 | Stitch It Up | Midland |
| | Strive Learning Centre for Children | Barrie |
 | Stroke Recovery Association, Barrie and District | Barrie |
 | Stubbins [Dr Robert I] | Penetanguishene |
 | Sugar Ridge Retreat Centre, Bed & Breakfast ; Year Round Retreat | Tay |
| | Suicide Awareness Conference | Simcoe County |
| | Summer Adventures Day Camp at Snow Valley | Springwater |
 | Sunshine Club (The), Elmvale and District Senior Citizens | Elmvale |
 | Sunshine Foundation of Canada (The) | London |
 | SupportLink | Barrie |
 | Survivors of Suicide Support Programme | Orillia |
| | Sustainable Severn Sound Initiative | Midland |
 | Synergy Health and Wellness Centre. Penetanguishene Location | Penetanguishene |