- Non-profit organization
- News service
- Newspaper publisher
- Nail salon
- National reserve
- Native american goods store
- Nutritionist
- Naturopathic practitioner
- Newspaper advertising department
- Needlework shop
- Night club
- Neon sign shop
- Novelty store
- Non-denominational church
- Nursing home
- Nature preserve
- Non-governmental organization
- Notary public
- Nursing school
- Nut store