| National College Comedy Competition | Academic & Science |
| Northwestern Connecticut Community College | Academic & Science |
| New City Commercial Corporation | Business |
| Nebraska Coalition for Compassionate Care | Community |
| Niagara County Community College | Community |
| National Civilian Community Corps | Community |
| Newport Coast Community Center | Community |
| National Cell Culture Center | Community |
| National Civilian Conservation Corps | Community |
| National Catholic Collegiate Conference | Community |
| National Center for Cultural Competence | Community |
| Non Camper Counselor Club | Community |
| North Coast Calvary Chapel | Community |
| Northern California Contest Club | Community |
| North Country Community College | Community |
| Neosho County Community College | Community |
| North County Cycle Club | Community |
| National Cyber Coordination Centre | Computing |
| National Cyber Crime Conference | Computing |
| National Council of Corvette Clubs | General |
| National Carbon Capture Center | General |
| National Council Corvette Clubs | General |
| North County Corvette Club | General |
| Northern Colorado Corvette Club | General |
| Nature Coast Corvette Club | General |
| Nature Coast Corvair Club | General |
| Northern California Camaro Club | General |
| Nyk Car Carrier China Company | General |
| National Cervical Cancer Coalition | Medical |
| Norris Cotton Cancer Center | Medical |
