- Novelty store
- Nanotechnology engineer
- Notions store
- Non-profit organization
- Nursing school
- Nursing agency
- Natural goods store
- Non-governmental organization
- News service
- Newspaper publisher
- Newsstand
- Nutritionist
- Nurse practitioner
- Neon sign shop
- Nail salon
- New American restaurant
- Nut store
- Needlework shop
- Notary public
- Neurologist