| Nar-Anon Family Groups, Halton Meetings | Halton Region |
| Narcotics Anonymous | Halton Region |
| Naseeha Mental Health | Mississauga |
| Nassagaweya Tennis Club | Milton |
| National Cycling Institute Milton | Milton |
| National Eating Disorder Information Centre | Toronto Downtown Central |
| National Initiative for Eating Disorders, Education and Support Services | Toronto |
| Native Canadian Centre of Toronto | Toronto |
| Native Child and Family Services of Toronto, Women's Transition House | Toronto |
| Native Horizons Treatment Centre | New Credit |
| Native Women's Association of Canada, Gatineau | Gatineau |
| Native Women's Resource Centre of Toronto, Community Programs | Toronto |
| Navy League of Canada, Acton, Navy League Cadet Corps Compass Rose | Acton |
| New Horizons Media Inc., New Canadians | Pickering |
| Newcomer Centre of Peel | Mississauga |
| Nisa Homes (GTA), Nisa Homes, Mississauga | Mississauga |
| Normandy Medical Clinic | Halton Hills |
| North Burlington Medical Centre, Walk-in Medical Clinic | Burlington |
| North Burlington Tennis Club | Burlington |
| North BurLINKton Community Group, Dinner Night Out | Burlington |
| North Central Community Association | Burlington |
| North Halton Girls Hockey Association | Georgetown |
| North Halton Rugby Football Club | Georgetown |
| Norval United Church, Georgetown | Georgetown |
| NPower Canada | Toronto |
