sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| National Strategic Tracing Service | *** |
| national sprayer testing scheme | *** |
| natural sit-to-stand transfer | ** |
| National Source Tracking System | ** |
| Northern Suburbs Transit System | ** |
| Northern Shuswap Treaty Society | ** |
| Nuclear Source Tracking System | ** |
| Nuclear Sciences and Technology Services | ** |
| Nearshore Sediment Transport Study | ** |
| National Science and Talent Search | ** |
| North Shore Track Services | ** |
| National Service Training System | ** |
| National Securities Trading System | * |
| National Sprayer Test Scheme | * |
| national sail training symposium | * |
| NOTAM Short Term Solution | * |
| North Star Technical Services | * |
| National Sector Team for Space | * |
| National Space Transporation System | * |
| National Space Transportation System (Do Not Use--Use SSP) | * |