sort by Rank | Alpha
| Possible Meanings | Rank |
| Notice of Creditable Coverage | **** |
| New Orleans Chamber of Commerce | **** |
| National Olympic Committee of Cambodia | *** |
| North Orange County Cities | *** |
| North Oak Community Church | *** |
| non-oat-cell carcinoma | ** |
| Network Operation Control Center | ** |
| naturally occurring cell-mediated cytotoxicity | ** |
| Northern Oxford County Coalition | ** |
| Network Operation and Control Center | ** |
| North Olmsted Community Council | ** |
| Notice of Construction Completion | ** |
| New Orleans Convention Center | ** |
| Network Operations Consultancy Center | ** |
| National Organization for Career Credentialing | ** |
| Northeastern Oklahoma Correctional Center | ** |
| Network Operations and Control Center | ** |
| Network Operations Control Centers | * |
| Number of Connected Components | * |
| National Outcomes and Casemix Collection | * |
| New Orleans Coffee Co | * |
| North Orange Christian Church | * |
| Northland at Oviedo Community Center | * |
| Nascom Operations Control Center | * |
| Naval Oceanography Command Center | * |
| Navy Ocean Command Center | * |
| New Orleans and Cajun Country | * |
| New Orleans Cajun Connection | * |
| New Orleans Connection City | * |