| E3 Community Services, Alliston - Wellington St West, EarlyON Child and Family Centre | New Tecumseth |
| E3 Community Services, Angus - County Rd 10, EarlyON Child and Family Centre | Essa |
| E3 Community Services, Beeton, EarlyON Child and Family Centre | Beeton |
| E3 Community Services, Collingwood - 250-A Peel St, Community Participation | Collingwood |
| E3 Community Services, Collingwood - Balsam St, ReUse Centre | Collingwood |
| E3 Community Services, Collingwood - Ninth St, Tots 'n' Tykes Child Care Centre | Collingwood |
| E3 Community Services, Collingwood - Pretty River Pkwy N | Collingwood |
| E3 Community Services, Collingwood - Pretty River Pkwy N, Supported Living | Collingwood |
| E3 Community Services, Creemore, EarlyON Child and Family Centre | Clearview (Simcoe County) |
| E3 Community Services, EarlyON Child and Family Centre, Collingwood - 250-A Peel St | Collingwood |
| E3 Community Services, Employment Services, Collingwood - Pretty River Pkwy N | Collingwood |
| E3 Community Services, Future Transitions, Collingwood - Pretty River Pkwy N | Collingwood |
| E3 Community Services, Life Share Program, Collingwood - Pretty River Pkwy N | Collingwood |
| E3 Community Services, Respite Care, Collingwood - Pretty River Pkwy N | Collingwood |
| E3 Community Services, Stayner, EarlyON Child and Family Centre | Stayner |
| E3 Community Services, Tottenham, EarlyON Child and Family Centre | New Tecumseth |
| E3 Community Services, Wasaga Beach, EarlyON Child and Family Centre | Wasaga Beach |
| EarlyON Child and Family Centre - Simcoe North, Coldwater Community Centre, EarlyON Child and Family Centre | Orillia |
| EarlyON Child and Family Centre - Simcoe North, Elmvale - Springwater Public Library, EarlyON Child and Family Centre | Springwater |
| EarlyON Child and Family Centre - Simcoe North, Jarratt Hall Community Centre, EarlyON Child and Family Centre | Coldwater |
| EarlyON Child and Family Centre - Simcoe North, Midland, EarlyON Child and Family Centre | Midland |
| EarlyON Child and Family Centre - Simcoe North, Midland, Emergency Baby Needs Depot | Midland |
| EarlyON Child and Family Centre - Simcoe North, Orillia - Colborne St, EarlyON Child and Family Centre | Orillia |
| EarlyON Child and Family Centre - Simcoe North, Orillia - Colborne St, Emergency Baby Needs Depot | Orillia |
| EarlyON Child and Family Centre - Simcoe North, Orillia - St Bernard's Catholic School, EarlyON Child and Family Centre | Orillia |
| EarlyON Child and Family Centre - Simcoe North, Penetanguishene - Covenant Christian Community Church, EarlyON Child and Family Centre | Penetanguishene |
| EarlyON Child and Family Centre - Simcoe North, Ramara, EarlyON Child and Family Centre | Ramara |
| EarlyON Child and Family Centre - Simcoe North, Victoria Harbour - Harbour Shore Room, EarlyON Child and Family Centre | Tay |
| Earth Day Canada | Toronto Downtown |
| Easter Seals Ontario, Barrie-Simcoe County Office | Barrie |
| Eat Local Grey Bruce, Meaford | Meaford |
| Eating Disorders Anonymous, Online/Web Service | Barrie |
| Ecological Farmers Association of Ontario | Guelph |
| Economic Development Corporation of North Simcoe, Midland, Economic Development Corporation of North Simcoe (EDCNS) | Midland |
| Edenvale Classic Aircraft Foundation | Clearview (Simcoe County) |
| Edenvale Radio Controlled Aircraft Club | Clearview (Simcoe County) |
| EHN Canada, Gateway Recovery | Peterborough |
| Elder Abuse Prevention Ontario | Etobicoke Central |
| ElderDog Canada, Collingwood Pawd, ElderDog Canada, Collingwood Pawd | Collingwood |
| Electrical Safety Authority | Mississauga |
| Elephant Thoughts Educational Outreach, Day Camps | Collingwood |
| Elephant Thoughts Educational Outreach | Collingwood |
| Elizabeth Boyd Doula Services, Barrie | Barrie |
| Elizabeth Fry Society Simcoe Muskoka | Barrie |
| Elizabeth Fry Society Simcoe Muskoka | Barrie |
| Elizabeth Fry Society Simcoe Muskoka, Jail Visitation | Barrie |
| Elizabeth Fry Society Simcoe Muskoka, Student Placement | Barrie |
| Elizabeth Fry Society Simcoe Muskoka, Volunteer Program | Barrie |
| Elizabeth Fry Society Simcoe Muskoka, Youth Justice Committee / Extra Judicial Sanctions / Restorative Justice Circles | Barrie |
| Elizabeth Fry Society Simcoe Muskoka, Joyce Kope House | Barrie |
| Elmvale and District Food Bank, Elmvale & District Food Bank, Christmas Hamper Program | Springwater |
| Elmvale and District Food Bank, Elmvale & District Food Bank | Springwater |
| Elmvale and District Horticultural Society, Elmvale-John St, Elmavale District Garden Enthusiasts | Springwater |
| Elmvale and District Over 35 Hockey League | Springwater |
| Elmvale Bears Sledge Hockey Team, Elmvale Community Arena | Springwater |
| Elmvale Children's Play Group, Elmvale Moms and Tots | Springwater |
| Elmvale Co-ed Cheezers Soccer Club | Springwater |
| Elmvale Community Church, Community Church, Boutique | Springwater |
| Elmvale Co-operative Nursery School | Springwater |
| Elmvale Curling Club | Springwater |
| Elmvale Lioness Lions Club, Elmvale Lions Hall | Elmvale |
| Elmvale Minor Hockey Association, Elmvale Community Arena | |
| Elmvale Mixed Three Pitch League | Springwater |
| Elmvale Presbyterian Church | Springwater |
| Elmvale Skating Club | Springwater |
| Emmanuel Baptist Church, Barrie, Emmanuel Adventure Camps | Barrie |
| Emmanuel Baptist Church, Barrie | Barrie |
| Emmanuel Baptist Church, Barrie, JOY Fellowship for Seniors | Barrie |
| Emmanuel Orillia | Orillia |
| Emmanuel Presbyterian Church | Clearview (Simcoe County) |
| Empower Simcoe, Barrie - 40 Fraser Crt, Adult Day Services | Barrie |
| Empower Simcoe, Barrie - 40 Fraser Crt, Specialized Care - Children's Homes | Barrie |
| Empower Simcoe, Barrie - Coulter Glen Satellite, EarlyON Child and Family Centre | Barrie |
| Empower Simcoe, Barrie - East Bayfield Community Centre Satellite, EarlyON Child and Family Centre | Barrie |
| Empower Simcoe, Barrie - Ferris Lane, EarlyON Child and Family Centre | Barrie |
| Empower Simcoe, Barrie - Inniswood Baptist Church Satellite, EarlyON Child and Family Centre | Barrie |
| Empower Simcoe, Barrie - Summitview Apartments Satellite, EarlyON Child and Family Centre | Barrie |
| Empower Simcoe, Barrie Head Office - 39 Fraser Crt, Employment Support Services | Barrie |
| Empower Simcoe, Barrie Head Office - 39 Fraser Crt | Barrie |
| Empower Simcoe, Barrie Head Office - 39 Fraser Crt, Family Home Program for Adults and Children | Barrie |
| Empower Simcoe, Barrie Head Office - 39 Fraser Crt, Family Relief Program | Barrie |
| Empower Simcoe, Barrie Head Office - 39 Fraser Crt, Family Support Program | Barrie |
| Empower Simcoe, Barrie Head Office - 39 Fraser Crt, Group Homes | Barrie |
| Empower Simcoe, Barrie Head Office - 39 Fraser Crt, Infant and Child Development Program | Barrie |
| Empower Simcoe, Barrie Head Office - 39 Fraser Crt, Regional Housing First Program | Barrie |
| Empower Simcoe, Barrie Head Office - 39 Fraser Crt, Regional Housing Support Services | Barrie |
| Empower Simcoe, Barrie Head Office - 39 Fraser Crt, Supported Independent Living | Barrie |
| Empower Simcoe, Barrie Head Office - 39 Fraser Crt, Volunteer Program | Barrie |
| Empower Simcoe, Barrie Head Office - 39 Fraser Crt, Youth Drop-in Program | Barrie |
| Empower Simcoe, Bradford, EarlyON Child and Family Centre | Bradford West Gwillimbury |
| Empower Simcoe, Innisfil, EarlyON Child and Family Centre | Innisfil |
| Empower Simcoe, Midland - Elizabeth St, Regional Housing Support Services | Midland |
| Empower Simcoe, Orillia - 35 West St N, Employment Support Services | Orillia |
| Empower Simcoe, Orillia - 35 West St N | Orillia |
| Empower Simcoe, Orillia - 35 West St N, Supported Independent Living | Orillia |
| Empower Simcoe, Orillia - 4 King St, Adult Day Services | Orillia |
| Empower Simcoe, Orillia - Queen St E, Regional Housing Support Services | Orillia |
| Empower Simcoe, South Georgian Bay, Regional Housing Support Services | Collingwood |
| Empower Simcoe, Stroud, EarlyON Child and Family Centre | Innisfil |
| Enaahtig Healing Lodge and Learning Centre, Main Office - Victoria Harbour | Tay |
| Enaahtig Healing Lodge and Learning Centre, Midland, Miikanaake Community Justice Program | Midland |
| Enaahtig Healing Lodge and Learning Centre, Orillia Location, Mental Health Outreach Team | Orillia |
| Enbridge Gas Distribution | Scarborough |
| Endometriosis Network Canada | Canada |
| Enrique N. Garcia Translations, Enrique N. Garcia Certified Spanish Translations / Interpreting / Transcriptions | Barrie |
| Environment Network | Collingwood |
| Environment Network | Collingwood |
| Environment Network, Explorations Green Summer Day Camp | Collingwood |
| Envisage Pregnancy Services, Barrie | Barrie |
| Envisage Pregnancy Services, South Georgian Bay | Collingwood |
| EPCOR Electricity Distribution Ontario | Collingwood |
| Epilepsy Ontario [Central East] | Stouffville |
| Epilepsy Ontario [Central East], Stouffville, York Region Branch | Stouffville |
| Erie Street Community Church, Collingwood | Collingwood |
| Essa (Township of). Municipal Office | Essa |
| Essa (Township of). Municipal Office, No physical address, Rest Stations for Extreme Weather Relief | Essa |
| Essa and District Agricultural Society | Essa |
| Essa and District Agricultural Society, Essa Agriplex | Essa |
| Essa Historical Society | Essa |
| Essa Public Library, Angus Branch, Essa Public Library, Angus Branch | Essa |
| Essa Public Library, Thornton Branch, Essa Public Library, Thornton Branch | Essa |
| Essa Road Medical Clinic, Barrie, Methadone Clinic | Barrie |
| Essa Township Fire Department | Essa |
| Ethnic Mosaic Alliance | Barrie |
| Events For Life Centre Inc | Blue Mountains |
| Evergreen Christian Ministries, Stayner Camp and Christian Retreat Centre, Community Christmas Dinner | Clearview (Simcoe County) |
| Evergreen Christian Ministries, Stayner Camp and Christian Retreat Centre, Stayner Camp and Christian Retreat Center | Clearview (Simcoe County) |
| Eye Bank of Canada (The) - Ontario Division | Toronto Downtown Central |