sort by Rank | Alpha
| Possible Meanings | Rank |
| Notice of Proposed Construction or Alteration | *** |
| Not for Profit Corporations Act | *** |
| Northwest Pennsylvania Collegiate Academy | *** |
| North Park Community Association | *** |
| National Penn Capital Advisors | *** |
| Nostalgia Pro Comp Association | *** |
| Nevada Pest Control Association | *** |
| nasal posterior ciliary artery | ** |
| non-parametric cluster analysis | ** |
| non-progressive congenital ataxia | ** |
| normal" porcine coronary arteries | ** |
| Nevada Professional Coaches Association | ** |
| Notice of Proposed Certificate Action | ** |
| North Pacific Crab Association | ** |
| National Peanut Council of America | ** |
| National Parks Conservancy Association | ** |
| National Paper Council of Australia | ** |
| National Parks Conservation Alliance | ** |
| Nairobi Provincial Cricket Association | ** |
| Nairobi Province Cricket Association | ** |
| National Possum Control Agency | ** |
| Natural Products the Chemicals | ** |
| Nebraska Professional Corporation Act | ** |
| Northwest Primary Care Alliance | ** |
| National Parks for Centennial | * |
| National Precast Concrete Assocation | * |
| Normalized Principal Component Analysis | * |
| North Port Citizens Alliance | * |
| Northeastern Pennsylvania Counseling Association | * |
| National Predator Callers Association | * |
| New Plymouth Customs Agency | * |