sort by Rank | Alpha
| Possible Meanings | Rank |
| National Training Programme for Clerks | **** |
| Nam Theun 2 Power Company | *** |
| National Thai Presbyterian Council | *** |
| National Thermal Power Company | *** |
| Net Proceeds to the Charity | *** |
| National Transport Policy Committee | *** |
| Native Title Protection Conditions | *** |
| Neoclassical Theory of Perfect Competition | *** |
| N-triethylammonium-propyl-cyclam | ** |
| National Thermal Power Corpn | ** |
| Northwest Territories Power Commission | ** |
| Notice to Prospective Clients | ** |
| Nevada Tobacco Prevention Coalition | ** |
| National Telecommunications and Postal Commission | ** |
| National Timber Piling Council | ** |
| National Tobacco Processing Center | ** |
| Nixie Tube Propeller Clock | ** |
| National Team Penning Championships | ** |
| Nepal Trade Promotion Center | ** |
| National Thermal Power Cooperation | ** |
| Nam Theun 2 Project Company | ** |
| National Toxicology Program Carcinogen | ** |
| Near Term Planning Committee | ** |
| National Thermal Power Coporation | ** |
| North Texas Poison Center | ** |
| Nam Theun Power Company | * |
| Nuclear Thermal Power Corporation | * |
| National Telecommunications and Post Commission | * |
| Nam Thuen 2 Power Company | * |
| National Thermal Power Commission | * |
| National Taiwanese Presbyterian Council | * |
| National Technical Processing Center | * |
| North Texas Presbyterian Cursillo | * |
| New Technology Personal Computer | * |
| New Technology Publishing Cambr | * |