| 1 | NTW | Nationwide Airlines (Pty) Ltd. | IATA: CE, Callsign: Nationwide, IATA Prefix: 567, Ceased Opdations on 29 April 2008. Designator CE reinstated by IATA. Name changed from Nationwide Air | ZA | AVCODES |
| 2 | NTW | Nationwide Air | IATA: CE, Callsign: Nationwide, IATA Prefix: 567, Name changed to Nationwide Airlines (Pty) Ltd. | ZA | AVCODES |
| 3 | NTW | Maxair, LLC | Callsign: Northwoods, | USA | AVCODES |
| 4 | NTW | Nationwide Airlines | IATA: CE | | ICAO1 |
| 5 | NTWD | NATIONWIDE TRANSPORTATION INC | | | SCAC3 |
| 6 | NTWG | NATIONWIDE TOWING INC | | | SCAC3 |
| 7 | NTWG | NINE ZERO FIVE SEVEN-TWO EIGHT EIGH | | | SCAC4 |
| 8 | NTWH | NATIONWIDE TRANSPORT INC | | | SCAC4 |
| 9 | NTWI | NATIONWIDE TRANSPORT & WAREHOUSE IN | | | SCAC3 |
| 10 | NTWM | NETWORK MESSENGER SERVICE INC | | | SCAC3 |
| 11 | NTWM | NETWORK MESSENGER SERVICE INC | | | SCAC4 |
| 12 | NTWN | NORTHWESTERN TRANSPORT | | | SCAC4 |
| 13 | NTWO | NETWORK COURIER SERVICE | | | SCAC3 |
| 14 | NTWO | NETWORK GLOBAL LOGISTICS LLC | | | SCAC4 |
| 15 | NTWQ | NEW TERMINAL WAREHOUSE CORPORATION | | | SCAC3 |
| 16 | NTWQ | NINE ZERO THREE TWO-TWO SEVEN SIX N | | | SCAC4 |
| 17 | NTWR | NETWORK ENTERPRISE CORPORATION | | | SCAC3 |
| 18 | NTWR | Network Rail | | GB | TRAFFIC |
| 19 | NTWS | NATIONAL WRECKER INC | | | SCAC3 |
| 20 | NTWS | NINE ONE TWO TWO- SEVEN ONE SIX FIV | | | SCAC4 |
| 21 | NTWT | NORTHWAY TRUCKING | | | SCAC3 |
| 22 | NTWV | NORMAN TRUCKING COMPANY | | | SCAC3 |
| 23 | NTWW | NORTHWOODS HEATING AND SUPPLY | | | SCAC4 |
| 24 | NTWY | NORTHWAY TRANSFER INC | | | SCAC3 |
