sort by Rank | Alpha
| Possible Meanings | Rank |
| North Poudre Irrigation Company | *** |
| National Perinatal Information Center | *** |
| National Pesticides Information Center | *** |
| National Pork Industry Conference | *** |
| National Programme on Improved Chulhas | *** |
| Nuclear Power Institute of China | ** |
| Neurogenic Peripheral Intermittent Claudication | ** |
| National Programme on Improved Cookstoves | ** |
| National Poisons Information Centre | ** |
| Needle Phobia Information Center | ** |
| National Petrochemical Industrialization Company | ** |
| National Provider Identifier Collection | ** |
| northern plains inventors congress | ** |
| National Polytechnic Institute of Cambodia | ** |
| New Programs and Innovations Committee | ** |
| National Photo Interpretation Center | ** |
| Natural Polymer International Corporation | ** |
| National Policy on Information Communications | ** |
| National Programme for Improved Chulhas | ** |
| National Photographic Interpretation Centre | * |
| National Public Information Canada | * |
| North Pacific International Chapter | * |
| National Photo Intelligence Center | * |
| National Programme on Improved Chullah | * |
| Naval Photographic Interpretation Center | * |
| Nunavut Professional Improvement Committee | * |
| Notice of Proposed Information Collection | * |