| Abbreviation | Definition |
|---|---|
| NWI | Novatel Wireless, Inc. |
| NWI | Nuclear Worldwide Inc |
| NWIW | Northwest Innovation Works |
| NWKG | Nord-West Kavernengesellschaft mbH |
| NWMC | National Wool Marketing Corporation |
| NWMG | Northwestern Media Group |
| NWN | NeverWinter Nights |
| NWN | No Wires Needed |
| NWOI | NetWorld Ohio, Inc. |
| NWP | New Web Pick |
| NWP | North West Perfusion |
| NWPGC | North West Power Generation Company |
| NWPGCL | North West Power Generation Company Limited |
| NWPGCL | North West Power Generation Company Ltd |
| NWPH | North West Plant Hire |
| NWR | Namibian Wildlife Resorts |
| NWRA | National Wedding Retailers Association |
| NWRA | National Windshield Repair Association |
| NWRA | NorthWest Recruiters Association |
| NWRA | NorthWest Reprographic Association |