| Narcotics Anonymous, Région centrale Georgian | Clearview (Comté Simcoe) |
| Nashe Senior Care & Transportation Services, Services de soins et de transport pour personnes âgées Nashe | Ramara |
| National Association of Federal Retirees, Barrie, Association nationale des retraités fédéraux - Huronia section 35 | Barrie |
| National Eating Disorder Information Centre | Toronto Centre-ville Centre |
| Naturally You Mastectomy and Bra Boutique | Barrie |
| Nature Barrie | Barrie |
| Nature League, Collingwood - Mailing Address | Collingwood |
| Neuroclinic Barrie, Clinique Neurologique de Barrie | Barrie |
| New Beginnings Support Group, No Physical Address, Groupe de soutien New Beginnings | Toronto |
| New Farm (The), Alimentation biologique | Clearview (Comté Simcoe) |
| New Life Fellowship Baptist Church, Église baptiste New Life Fellowship Baptist Church | Innisfil |
| New Lowell Knights | Clearview (Comté Simcoe) |
| New Path Foundation, Fondation New Path | Barrie |
| New Path Youth and Family Services of Simcoe County, Alliston - rue Wellington Ouest, Cliniques de santé mentale pour enfants et jeunes sans rendez-vous | New Tecumseth |
| New Path Youth and Family Services of Simcoe County, Alliston - rue Wellington Ouest, Services de counselling pour jeunes et familles | New Tecumseth |
| New Path Youth and Family Services of Simcoe County, Barrie - 125, promenade Ferndale Nord, Centre de fréquentation obligatoire | Barrie |
| New Path Youth and Family Services of Simcoe County, Bureau de Bradford, Cliniques de santé mentale pour enfants et jeunes sans rendez-vous, Bradford | Bradford West Gwillimbury |
| New Path Youth and Family Services of Simcoe County, Bureau de Bradford, Services de counselling pour jeunes et familles | Bradford West Gwillimbury |
| New Path Youth and Family Services of Simcoe County, Bureau de Collingwood, Cliniques de santé mentale pour enfants et jeunes sans rendez-vous | Collingwood |
| New Path Youth and Family Services of Simcoe County, Bureau de Collingwood, Services de counselling pour jeunes et familles | Collingwood |
| New Path Youth and Family Services of Simcoe County, Bureau d'Orillia, Child and Youth Mental Health Walk-in Clinic | Orillia |
| New Path Youth and Family Services of Simcoe County, Bureau d'Orillia, Service de counselling pour jeunes et familles | Orillia |
| New Path Youth and Family Services of Simcoe County, Cookstown Office, Services de traitement résidant | Innisfil |
| New Path Youth and Family Services of Simcoe County, Coping Cat Group | Barrie |
| New Path Youth and Family Services of Simcoe County, Coping Cat Group, Orillia Office | Orillia |
| New Path Youth and Family Services of Simcoe County, Midland - rue King, Cliniques de santé mentale pour enfants et jeunes sans rendez-vous | Midland |
| New Path Youth and Family Services of Simcoe County, Mood Management | Barrie |
| New Path Youth and Family Services of Simcoe County, Mood Management, Alliston - Wellington St W | New Tecumseth |
| New Path Youth and Family Services of Simcoe County, Mood Management, Collingwood Office | Collingwood |
| New Path Youth and Family Services of Simcoe County, Siège social de Barrie, Cliniques de santé mentale pour enfants et jeunes sans rendez-vous, Bureau principal de Barrie | Barrie |
| New Path Youth and Family Services of Simcoe County, Siège social de Barrie | Barrie |
| New Path Youth and Family Services of Simcoe County, Siège social de Barrie, Programme d'approche pour adolescents | Barrie |
| New Path Youth and Family Services of Simcoe County, Siège social de Barrie, Service de counselling pour jeunes et familles, Bureau principal de Barrie | Barrie |
| New Path Youth and Family Services of Simcoe County, Siège social de Barrie, Services à la petite enfance | Barrie |
| New Tecumseth Public Library, Alliston, Succursale Memorial | New Tecumseth |
| New Tecumseth Public Library, Beeton, Succursale DA Jones | New Tecumseth |
| New Tecumseth Public Library, Tottenham, Succursale Pam Kirkpatrick | New Tecumseth |
| New Tecumseth Singers (The) | New Tecumseth |
| New Tecumseth. Fire Department, New Tecumseth. Service de sécurité incendie | New Tecumseth |
| New Tecumseth. Municipal Office, New Tecumseth. Bureau municipal | New Tecumseth |
| NEXIM Health Care Consultants, Barrie Office, Consultants en soins de santé NEXIM | Barrie |
| Next Gen Men | Simcoe |
| Next Gen Men | Simcoe |
| Next Gen Men, NGM Boys Club | Simcoe |
| NEXT STEP, Alphabétisation et compétences de base | New Tecumseth |
| NEXT STEP | New Tecumseth |
| Normes de la publicité | Toronto |
| North River Riders | Orillia |
| North Simcoe / Huronia Grey Jays, Ligue de balle lente de baseball pour seniors | Tiny |
| North Simcoe Anglers and Hunters Conservation Club, North Simcoe Anglers and Hunters, Club de conservation des pêcheurs et chasseurs de Simcoe Nord | Midland |
| North Simcoe Muskoka Acquired Brain Injury Collaborative, Mailing Address, Collaboratif sur les lésions cérébrales acquises du Simcoe-Nord Muskoka | Barrie |
| North Simcoe Muskoka Local Health Integration Network, Midland - Chigamik Community Health Centre, North Simcoe Community Health Link | Midland |
| North Simcoe Muskoka Self Management Program, Wasaga Beach, Mener une vie saine avec une maladie ou une douleur chronique | Wasaga Beach |
| North Simcoe Muskoka Self Management Program, Wasaga Beach, Powerful Tools for Caregivers | Wasaga Beach |
| North Simcoe Muskoka Specialized Geriatric Services | Barrie |
| North Simcoe Muskoka Specialized Geriatric Services, No Physical Address, Système de soutien comportemental | Barrie |
| North Simcoe Muskoka Specialized Geriatric Services, Barrie - Chemin Cundles, Service central d'admission | Barrie |
| North Simcoe Muskoka Specialized Geriatric Services, GeriMedRisk | Barrie |
| North Simcoe Muskoka Specialized Geriatric Services, Specialist eConsult Service | Barrie |
| North Simcoe Soccer Club, Club de soccer du Simcoe-Nord | Midland |
| Northern Air Quality Services | Barrie |
| Northern Stars Montessori School & Daycare, Barrie, École et garderie Northern Stars Montessori School & Daycare | Barrie |
| Northside Bible Chapel | Barrie |
| Nottawasaga Cooperative Homes | New Tecumseth |
| Nottawasaga Futures, Alliston, Nottawasaga Futures, Alliston | New Tecumseth |
| Nottawasaga Model Railway, Nottawasaga Model Railroad | Collingwood |