| Association canadienne des Snowbirds | Toronto |
| Barrie and Area Chinese Community Association | Barrie |
| Barrie British Club, Club britannique de Barrie | Barrie |
| Barrie Native Friendship Centre, Ressources culturelles | Barrie |
| Barrie Pride, Fierté Barrie | Barrie |
| Beausoleil Child and Family Services | Première Nation Beausoleil |
| Canadian Council of the Blind, Club 60 | Barrie |
| CARP, Barrie - Adresse postale, Barrie CARP section 36 | Barrie |
| Centre Canadien du Droit au logement | Toronto |
| Centre de ressources latines de Barrie, Adresse postale | Barrie |
| Chabad Jewish Centre of Barrie, Centre juif Chabad de Barrie | Barrie |
| Commission canadienne des droits de la personne | Ottawa |
| Conseil national des femmes juives du Canada - comté de Simcoe, Adresse postale | Innisfil |
| CONTACT Community Services, Alliston - 39 Victoria St E, Housing Resource Centre | New Tecumseth |
| Elder Abuse Prevention Ontario | Etobicoke Centre |
| Environment Network, Réseau d'environnement | Collingwood |
| Ethnic Mosaic Alliance | Barrie |
| Femmes d'affaires et professionnelles Barrie, Femmes d'affaires et professionnelles (BPW) Barrie | Barrie |
| Fierté Simcoe Pride | Barrie |
| German Canadian Club. Barrie, Club germano-canadien. Barrie | Barrie |
| Helping Hands for the Homeless | Barrie |
| Huronia Transition Homes, La Maison Rosewood Shelter | Midland |
| Inactif Filipino-Canadian Association of Barrie and Suburban Areas | Barrie |
| Making Change, Aucune adresse physique | Barrie |
| Midhurst Ratepayers' Association, Association des contribuables Midhurst | Springwater |
| Midland, Town of., Conseil des aînés de Midland, Midland - boulevard Len Self | Midland |
| Muskoka Indigenous Friends Cultural Centre, Muskoka Indigenous Friendship Centre | Gravenhurst |
| Nature League, Collingwood - Mailing Address | Collingwood |
| Nottawasaga Valley Conservation Authority, Tiffin Centre for Conservation | Utopia |
| One Church Barrie, Adresse postale, One Church Barrie at Mailing Address | Barrie |
| Ontario Parents Advocating for Children with Cancer | Barrie |
| Pilipinong Migrante sa Barrie | Barrie |
| Polish Alliance, Alliance polonaise | Springwater |
| Polish Alliance, Cercle des dames | Springwater |
| Prospérité Canada, Autonomisation financière | Toronto |
| Redwood Park Communities, Barrie - Unpublished, Programmes de logement | Barrie |
| Scottish Connection, Connexion Écossaise | Barrie |
| Scottish Country Dancing Group, Barrie | Barrie |
| Severn Sound Environmental Association | Tay |
| Severn Sound Source Protection Authority, Drinking Water Source Protection | Tay |
| Severn Township, Comité consultatif des loisirs et de la culture, Orillia | Severn |
| Simcoe County Alliance to End Homelessness, Barrie - Aucune adresse physique, Barrie Chapter | Barrie |
| Simcoe County Alliance to End Homelessness, South Georgian Bay Chapter | Collingwood |
| Simcoe County Alliance to End Homelessness, Midland - Adresse postale uniquement, North Simcoe Chapter | Midland |
| Simcoe County Alliance to End Homelessness, New Tecumseth, South Simcoe Chapter | New Tecumseth |
| Simcoe County Alliance to End Homelessness, Orillia - Adresse postale, Orillia and Area Chapter | Orillia |
| Simcoe County Federation of Agriculture, Simcoe County Administration Building | Springwater |
| Simcoe County Greenbelt Coalition, Adresse postale | Simcoe |
| South Asian Association of Simcoe County, Association sud-asiatique du comté de Simcoe | Barrie |
| St Andrew's Society of Simcoe County, Barrie - Mailing Address, société de St Andrew's du comté de Simcoe | Barrie |
| Synagogue Am Shalom | Barrie |