| Rank | Abbreviation | Meaning |
|---|
| ***** | NWSC | Naval Warfare Systems Command
| |
| ***** | NWSC | National Weather Service Center
| |
| *** | NWSC | Northeast Wisconsin Safety Council
| |
| *** | NWSC | Naval Weapons Station Concord
| |
| *** | NWSC | Northampton Water Ski Club
| |
| *** | NWSC | National Water Supply Corporation
| |
| *** | NWSC | Naval Weapons Station Charleston
| |
| *** | NWSC | Naval Weapons Station Crane
| |
| *** | NWSC | Nepal Water Supply Corporation
| |
| *** | NWSC | National Water Safety Congress
| |
| *** | NWSC | Nuclear Waste Strategy Coalition
| |
| *** | NWSC | Neighborhood and Workers Service Center
| |
| *** | NWSC | nylon-wool-fractionated splenocytes
| |
| *** | NWSC | NCAR (National Center for Atmospheric Research) Wyoming Supercomputing Center
| |
| *** | NWSC | Neighbourhood and Workers Service Centre
| |
| ** | NWSC | National Water and Sewage Corporation
| |
| ** | NWSC | National Women Swimming Championship
| |
| * | NWSC | Nebraska Water Science Center
| |
| * | NWSC | National Wetland Steering Committee
| |
| * | NWSC | National Weather Satellite Center
| |
| * | NWSC | National Water and Sewerage Commission
| |
| * | NWSC | Nkana Water and Sewerage Company
| |
| * | NWSC | National Water Safety Committee
| |
| * | NWSC | Nairobi Water and Sewerage Company
| |
| * | NWSC | New World Solutions Centre
| |