| 1 | NWL | North-Wright Airways Ltd. | IATA: HW, Callsign: Northwright, | CDN | AVCODES |
| 2 | NWL | North-Wright Air Ltd. | IATA: HW, Callsign: Northwright, Name changed to North-Wright Airways Ltd. | CDN | AVCODES |
| 3 | NWL | North-Wright Airways | IATA: HW | | ICAO1 |
| 4 | NWL | NORTHWESTERN TRAILWAYS | | | SCAC4 |
| 5 | NWLA | NEWELL, A J TRUCKING INC | | | SCAC3 |
| 6 | NWLB | NATIONWIDE LOGISTICS | | | SCAC4 |
| 7 | NWLC | NORTHWEST LOGISTICS INC | | | SCAC4 |
| 8 | NWLE | NEW WAVE LOGISTICS (S) PTE LTD | | | SCAC4 |
| 9 | NWLF | NEWHALL LAND AND FARMING | | | SCAC3 |
| 10 | NWLG | NEWLINN, GERALD E TRUCKING INC | | | SCAC3 |
| 11 | NWLI | NATIONWIDE LOGISTICS INC | | | SCAC4 |
| 12 | NWLL | NOWELL TRUCKING COMPANY INC | | | SCAC3 |
| 13 | NWLL | NATIONWIDE LOGISTICS LLC | | | SCAC4 |
| 14 | NWLN | NUWAY LOGISTICS INC | | | SCAC4 |
| 15 | NWLO | NEWELL OIL CO INC | | | SCAC4 |
| 16 | NWLP | NORTHWEST ENERGETIC SERVICES LLC | | | SCAC4 |
| 17 | NWLQ | NORTH WEST LOGISTICS INC | | | SCAC4 |
| 18 | NWLR | NEW WORLD TRUCKING LLC | | | SCAC4 |
| 19 | NWLS | NATIONWIDE LOGISTICS LLC | | | SCAC4 |
| 20 | NWLT | NORTHWEST LUMBER TRANSPORT INC | | | SCAC3 |
| 21 | NWLU | NORWEIGIAN AMERICAN LINE | | | SCAC3 |
| 22 | NWLX | Nationwide Locomotive Service LLC | added 10/2003; eliminated 4/2004; 7/2005 (not listed) | | NAKINA |
| 23 | NWLX | NATIONWIDE LOCOMOTIVE SERVICE LLC | | | PWRC |
| 24 | NWLX | Nationwide Locomotive Service | | | RSRV |
| 25 | NWLY | NELSON, WALLIE TRUCKING | | | SCAC4 |
