sort by Rank | Alpha
| Possible Meanings | Rank |
| Napa County Office of Education | *** |
| National Council for Occupational Education | *** |
| NC3 Common Operating Environment | *** |
| Nordic Centres of Excellence | *** |
| Nordic Centre of Excellence | *** |
| Nevada Commission on Ethics | ** |
| National Council of Occupational Education | ** |
| National Colleges of Education | ** |
| Nanomanufacturing Center of Excellence | ** |
| Nutrition Center of Excellence | ** |
| National Council on Occupational Education | ** |
| Northwest Centres of Excellence | ** |
| National College of Education | * |
| National Centers of Excellence | * |