| Adjala-Tosorontio, Township of, No physical address, Rest Stations for Extreme Weather Relief | Adjala-Tosorontio |
| Alert Ready - Emergency Alert System | Ontario |
| Barrie Public Library, Barrie - 48 Dean Ave, Painswick Branch | Barrie |
| Barrie Public Library, Barrie - 60 Worsley St, Downtown Branch | Barrie |
| Bradford West Gwillimbury Municipal Office, Administration Office, Rest Stations for Extreme Weather Relief | Bradford West Gwillimbury |
| Bradford West Gwillimbury Public Library | Bradford West Gwillimbury |
| Busby Centre, Barrie - 88 Mulcaster St, Drop In Services | Barrie |
| Busby Centre, Barrie - 88 Mulcaster St, Emergency Respite Shelter | Barrie |
| Canadian Red Cross - Simcoe Muskoka, Simcoe Muskoka Branch, Emergency Management | Barrie |
| Essa (Township of). Municipal Office, No physical address, Rest Stations for Extreme Weather Relief | Essa |
| General Topics and Information - Central East, Simcoe County, Warming and Cooling Stations for Extreme Weather Relief, Simcoe County | Barrie |
| Innisfil ideaLAB & Library, Cookstown Branch | Innisfil |
| Innisfil ideaLAB & Library, Lakeshore Branch | Innisfil |
| Innisfil ideaLAB & Library, Stroud Branch | Innisfil |
| Kids Help Phone, Crisis Text Line | Toronto |
| New Tecumseth Public Library, Alliston, Memorial Branch | New Tecumseth |
| New Tecumseth Public Library, Beeton, DA Jones Branch | New Tecumseth |
| New Tecumseth Public Library, Tottenham, Pam Kirkpatrick Branch | New Tecumseth |
| New Tecumseth. Municipal Office, No physical address, Rest Stations for Extreme Weather Relief | New Tecumseth |
| Simcoe County, Corporation of, No physical address, Warming Centres | Midland |
| The Lighthouse, Orillia, Emergency Shelter | |
| Wow Living, Out of the Cold Cafe | Bradford West Gwillimbury |
| YMCA of Simcoe/Muskoka, Innisfil - Yonge St, Innisfil YMCA | Innisfil |