| National Calamity Contingency Fund | Business |
| National Childhood Cancer Foundation | Community |
| New Covenant Christian Fellowship | Community |
| New Creation Christian Fellowship | Community |
| Nelson County Community Fund | Community |
| Northern Chautauqua Community Foundation | Community |
| North Cascades Christian Fellowship | Community |
| Nigeria Christian corpers fellowship | Community |
| Network for Certification and Conservation of Forests | Community |
| Nigerian Christian Corpers Fellowship | Community |
| Northwestern Community College Foundation | Community |
| National Committee to Combat Fascism | Community |
| Newcastle Chinese Christian Fellowship | Community |
| National Committees to Combat Fascism | Community |
| Network Communication Control Facility | Computing |
| NOAA Central Computer Facility | Computing |
| National Canine Cancer Foundation | General |
| Nevada Childhood Cancer Foundation | General |
| National Center For Children and Families | General |
| National Catholic Community Foundation | General |
| North Carolina Community Foundation | General |
| National Collegiate Cancer Foundation | General |
| Net Client Cash Flow | General |
| Normalized Cross Correlation Function | General |
| Net Cumulative Cash Flow | General |
| Nagoya Camping Car Fair | General |
| Network Communications Control Facility | Governmental |
| North Carolina Coastal Federation | Governmental |
| National Children's Cancer Foundation | Medical |
| National Canine Cancer Foundation National Canine Cancer Foundation | Medical |
| North County Correctional Facility | Regional |
| North County Christian Fellowship | Regional |
