| Business | Phone |
| Global Marketing Usa 9030 N Clifton Ave, Niles 60714 | (847) 673-1516 |
| Nightingale Conant Corp 6245 W Howard St, Niles 60714 | (847) 647-0300 |
| Nimlok 7420 N Lehigh Ave, Niles 60714 | (847) 647-1012 |
| Nuarc Co 6200 W Howard St, Niles 60714 | (847) 967-4400 |