- Naturopathic practitioner
- Nail salon
- Non-governmental organization
- Newspaper publisher
- Non-profit organization
- Notary public
- Nature preserve
- National park
- Nursery school
- Newspaper distribution
- Newspaper advertising department
- News service
- Natural stone wholesaler
- Nursing agency
- National museum
- Nursing home
- Natural history museum
- Non-denominational church
- Nephrologist
- Nissan dealer