| Gam-Anon, Barrie | Innisfil |
| Gamblers Anonymous, Barrie - No Physical Address | Barrie |
| Gamblers Anonymous, Orillia, Gamblers Anonymes, Orillia | Orillia |
| Ganaraska Hiking Trail Association, section Barrie | Orillia |
| Ganaraska Hiking Trail Association, Adresse postale Orillia, Section Orillia | Orillia |
| Ganaraska Hiking Trail Association, North Simcoe / Orillia, Ganaraska Hiking Trail Association, North Simcoe / Orillia | Orillia |
| Ganaraska Hiking Trail Association, Section Oro Medonte, Adresse postale Orillia | Orillia |
| Garderie Au coeur de l'amitié, Barrie | Barrie |
| Garratt (Sue) Assistance téléphonique SMSN | Barrie |
| Gateway Centre for Learning, Formation informatique | Midland |
| Gateway Centre for Learning, Alphabétisation et compétences de base | Midland |
| Gateway Centre for Learning | Midland |
| Gateway Centre for Learning, Livres d'occasion Bookmark | Midland |
| Genesis Dental Hygiene Care | Tiny |
| Georgian Bay British Car Club | Collingwood |
| Georgian Bay Cancer Support Centre, Penetang - section du GBGH | Penetanguishene |
| Georgian Bay Clinic (The) | Midland |
| Georgian Bay Coin and Stamp Club, Midland, Club des monnaies et des timbres Georgian Bay, Midland | Midland |
| Georgian Bay Counselling Services, Georgian Bay Relationship Centre, Georgian Bay Relationship Centre, Georgian Bay Counselling Services, Services de counseling Georgian Bay | Midland |
| Georgian Bay Family Health Team, Clinique santé le jour même - Rendez-vous seulement | Collingwood |
| Georgian Bay Family Health Team, Équipe de santé familiale de Georgian Bay | Collingwood |
| Georgian Bay Family Health Team, Programme d'éducation sur le diabète | Collingwood |
| Georgian Bay Football Officials Association | Barrie |
| Georgian Bay Furniture Bank, Collingwood - No Physical Address, Banque de meubles Georgian Bay | Collingwood |
| Georgian Bay Heritage League, Ligue du patrimoine de la baie Georgienne | Midland |
| Georgian Bay Hunters and Anglers Club Inc. | |
| Georgian Bay Hunters and Anglers Club Inc., Georgian Bay Hunters and Anglers Junior Club | Tay |
| Georgian Bay Integrative Medicine | Collingwood |
| Georgian Bay Ladies Slo Pitch | Penetanguishene |
| Georgian Bay Minor Softball League | Midland |
| Georgian Bay Native Friendship Centre | Midland |
| Georgian Bay Native Friendship Centre, Apatisiwin Programme [Emploi et formation] | Midland |
| Georgian Bay Native Friendship Centre, Assistant judiciaire autochtone | Midland |
| Georgian Bay Native Friendship Centre | Midland |
| Georgian Bay Native Friendship Centre, Programme pour enfants autochtones en milieu urbain Akwe:go | Midland |
| Georgian Bay Native Friendship Centre, Programme Wasa-Nabin pour les jeunes autochtones en milieu urbain | Midland |
| Georgian Bay Native Friendship Centre, Service externe pour les Autochtones en milieu urbain | Midland |
| Georgian Bay Native Friendship Centre, Vie saine des Autochtones vivant en milieu urbain / Enfants en bonne santé | Midland |
| Georgian Bay Native Friendship Centre, Programme des travailleurs autochtones en matière d'alcool et de drogues | Midland |
| Georgian Bay Native Women's Association, Association des femmes autochtones de la baie géorgienne. Jardin médicinal | Midland |
| Georgian Bay Native Women's Association, Association des femmes autochtones de Georgian Bay | Midland |
| Georgian Bay Quilters Guild | Penetanguishene |
| Georgian Bay Rowing Club, Club d'aviron Georgian Bay | Midland |
| Georgian Bay Snowriders Club | Midland |
| Georgian Bay Steam, Auto, Gas and Antiques | Innisfil |
| Georgian College, Accessibility Services, Campus Orillia | Orillia |
| Georgian College, Barrie - 48 Collier St, Formation linguistique spécifique à la profession | Barrie |
| Georgian College, Barrie - 48 Collier St, Services communautaires de carrière et d'emploi - Club de recherche d'emploi pour immigrants | Barrie |
| Georgian College, Barrie - 48 Collier St, Services d'emploi intégrés | Barrie |
| Georgian College, Barrie Campus - Bldg E - Room E211, Camps d'été | Barrie |
| Georgian College, Barrie Campus - Bldg M - Room M146, Spa et clinique d'esthétique | Barrie |
| Georgian College, Barrie Campus - édifice B - bureau B110, Accessibility Services | Barrie |
| Georgian College, Barrie Campus - Édifice M - Bureau M233, Clinique de l'audition et du langage Harmonize for Speech | Barrie |
| Georgian College, Campus Barrie - Édifice C - Salle C279, Centre International | Barrie |
| Georgian College, Campus Barrie - Édifice C, Aide financière et bourses | Barrie |
| Georgian College, Campus Barrie - Édifice D - Salle D122, Galerie du Campus | Barrie |
| Georgian College, Campus Barrie - Édifice E - salle E219, Henry Bernick Centre for Entrepreneurship | Barrie |
| Georgian College, Campus Barrie - édifice F - salle F110, Alphabétisation et compétences de base, Barrie Campus - Bldg F - Room F110 | Barrie |
| Georgian College, Campus Barrie - Édifice J, Centre d'athlétisme et de conditionnement | Barrie |
| Georgian College, Campus Barrie - édifice K - Bibliothèque, Bibliothèque et réussite scolaire | Barrie |
| Georgian College, Campus Barrie - Édifice M - bureau M137, Services d'éducation autochtone | Barrie |
| Georgian College, Campus Barrie - édifice M - salle M141, Clinique de santé bucco-dentaire | Barrie |
| Georgian College, Campus Barrie - Édifice M - salle M148, Clinique de massothérapie étudiante | Barrie |
| Georgian College, Campus Barrie - Résidences, Département du logement et de la vie en résidence | Barrie |
| Georgian College, Campus de Barrie - édifice E - Salle E211, Formation continue - Formation à l'intervention non violente en situation de crise | Barrie |
| Georgian College, Campus de Barrie - édifice E - Salle E211, Formation continue | Barrie |
| Georgian College, Campus de Barrie - édifice E - Salle E211, Formation du personnel | Barrie |
| Georgian College, Campus de Barrie, Georgian College, Campus de Barrie | Barrie |
| Georgian College, Campus Midland, Georgian College, Campus Midland | Midland |
| Georgian College, Campus Orillia, Alphabétisation et formation de base, Orillia Campus | Orillia |
| Georgian College, Campus Orillia, Centre de ressources autochtones | Orillia |
| Georgian College, Campus Orillia, Georgian College, Campus Orillia | Orillia |
| Georgian College, Campus Orillia, Réussite des élèves - Santé mentale et bien-être | Orillia |
| Georgian College, Campus Orillia, Services d'emploi de l'Ontario | Orillia |
| Georgian College, Campus South Georgian Bay, Alphabétisation et compétences de base, South Georgian Bay Campus | Collingwood |
| Georgian College, Campus South Georgian Bay, Georgian College, South Georgian Bay Campus | Collingwood |
| Georgian College, Éducation coopérative et réussite professionnelle, Barrie Campus - édifice B - bureau B110 | Barrie |
| Georgian College, Préparation académique et professionnelle - Alphabétisation et formation de base, Midland Campus, Campus Midland | Midland |
| Georgian College, Programme d'apprentissage, Campus Midland | Midland |
| Georgian College, Wasaga Beach, Alphabétisation et formation de base, Wasaga Beach | Collingwood |
| Georgian Cubs Volleyball Club, club de volleyball Georgian Cubs | Barrie |
| Georgian Good Food Box (The), South Georgian Bay, La boîte verte de Georgian | Collingwood |
| Georgian Nurse Practitioner-Led Clinic | Barrie |
| Georgian Property Services, Services immobiliers Georgian | Wasaga Beach |
| Georgian Radiology Consultants, Barrie - chemin Huronia | Barrie |
| Georgian Radiology Consultants, Barrie - Lakeside Terrace | Barrie |
| Georgian Radiology Consultants, Collingwood | Collingwood |
| Georgian Radiology Consultants, Innisfil | Innisfil |
| Georgian Radiology Consultants, Wasaga Beach | Wasaga Beach |
| Georgian Respite | Penetanguishene |
| Georgian Shores Swinging Seniors Club, Club pour aînés de Georgian Shores | Midland |
| Georgian Triangle Development Institute, Collingwood - Mailing Address, Institut de développement du Georgian Triangle | Collingwood |
| Georgian Triangle Humane Society, Clinique de stérilisation, Collingwood - 10th Line | Collingwood |
| Georgian Triangle Humane Society, Collingwood - 10th Line, Association de protection des animaux du Georgian Triangle | Collingwood |
| Georgian Triangle Humane Society, Collingwood - rue Hurontario, Treasure Tails | Collingwood |
| Georgian Triangle Lifelong Learning Institute | Collingwood |
| Georgian Triangle Ministerial Association | Clearview (Comté Simcoe) |
| Georgian Triangle Ministerial Association | Clearview (Comté Simcoe) |
| Georgian Village, Georgian Residences | Penetanguishene |
| Georgian Village | Penetanguishene |
| Georgian Village, Maison de retraite Georgian Manor | Penetanguishene |
| German Canadian Club Gemuedlichkeit 70 GeogianBay, Midland, German Canadian Club. Midland, Club germano-canadien Gemuedlichkeit 70 Georgian Bay, Midland | Tay |
| German Canadian Club. Barrie, Club germano-canadien. Barrie | Barrie |
| Gibson Centre for Community, Arts & Culture (The), Centre Gibson pour la communauté, les arts et la culture | New Tecumseth |
| Gilbert Centre for Social and Support Services, Bureau de Barrie, Centre de services sociaux et d'appui Gilbert | Barrie |
| Gilbert Centre for Social and Support Services, Bureau de Barrie, Clinique de soins InclusHIV | Barrie |
| Gilbert Centre for Social and Support Services, Bureau de Barrie, Programme New Horizons pour les adultes plus âgés 2SLGBTQ | Barrie |
| Gilbert Centre for Social and Support Services, Bureau de Barrie, Trans Q* Simcoe County | Barrie |
| Gilbert Centre for Social and Support Services, GenQ, Bureau de Barrie | Barrie |
| Gilbert Centre for Social and Support Services, Midland - Adresse postale, LGBTQI2S Youth Connection Simcoe County, Midland - Adresse postale | Midland |
| Gilbert Centre for Social and Support Services, Orillia - Adresse postale, LGBTQI2S Youth Connection Simcoe County, Orillia - adresse postale | Orillia |
| Gilda's Club Simcoe Muskoka, Club Gilda de Simcoe Muskoka | Barrie |
| Giselle's Foot Care, Soins des pieds Giselle | Orillia |
| Go Figure Nottawa | Clearview (Comté Simcoe) |
| Go Figure Nottawa, Art Open Studio pour le dessin et la peinture avec un modèle | Clearview (Comté Simcoe) |
| Good Energy Personal Training & Nutrition, Entraînement personnel et nutrition « Good Energy » | Collingwood |
| Good Food Box , Orillia et région, Good Food Box, Orillia et région | Orillia |
| Good Food Box , Orillia et région, Orillia - promenade Westmount, Good Food Box Program, Orillia - Westmount Dr | Orillia |
| Good Food Box Program, Hawkestone, Programme de la boîte verte | Oro-Medonte |
| Good Food Box Program, Brechin, Programme de la boîte verte | Brechin |
| Good Food Box Program, Cumberland Beach | Cumberland Beach |
| Good Shepherd Food Bank of Alliston, Alliston, Banque alimentaire Good Shepherd | New Tecumseth |
| Gord's Lawn Care | Wasaga Beach |
| Grace United Church, Barrie | Barrie |
| Grandmothers and Grandothers, Barrie - Adresse postale | Barrie |
| Green Belief | Orillia |
| Green Communities Canada | Peterborough |
| Green Haven Shelter for Women, Orillia - non publié | Orillia |
| GreenSaver, Orillia, Programme de soutien chez soi | Orillia |
| Grey and Simcoe Foresters Regimental Museum, Musée régimentaire Grey and Simcoe Foresters | Barrie |
| Grove Park Home, Programme de jour pour adultes Senior Encounter | Barrie |
| Growing Minds Learning Centre | Barrie |
| Guardian Pharmacy, Coldwater, Coldwater Pharmacy | Severn |
| Guardian Simcoe Square Pharmacy, Pharmacie Guardian Simcoe Square | Bradford |
| Guiding Stars Child Care Centre, Barrie, Garderie Guiding Stars Child Care Centre | Barrie |
| Guilde de courtepointe moderne de Barrie | Barrie |