- National park
- Non-profit organization
- Nursing agency
- National reserve
- Nature preserve
- National forest
- Newspaper publisher
- Nail salon
- Nursery school
- Nursing home
- News service
- Non-governmental organization
- Notary public
- Novelty store
- Nuclear power plant
- Nursing school
- Natural history museum
- Neurologist
- Non smoking holiday home
- Night club