| national commercial banks | national security | natural cheese |
| nature center | new car dealers | new dealers |
| newspaper | newspaper distributors | newspaper publishers |
| news service | newsstand | news syndicates |
| no drivers | non | non ferrous foundry |
| nonferrous insulating | nonferrous wiredrawing | non profit organizations |
| nonresidential building operators | nonwoven fabrics | nonwoven fabrics manufacturers |
| noodle | noodles manufacturers | novelty shops |
| nursery schools | nursing care | nursing convalescent homes |
| nursing home | nuts manufacturers |
