- Night club
- Nursery school
- Non-profit organization
- Nature preserve
- Neurologist
- Natural history museum
- National forest
- Nutritionist
- Nail salon
- Naturopathic practitioner
- National library
- Newsstand
- Nursing home
- Nursing agency
- Novelty store
- News service
- Natural goods store
- Notary public
- Numerologist
- Newspaper publisher