| 1 | NUM | Nomad Aviation AG | Callsign: Bully, ICAO Callsign changed to Nomadjet. | CH | AVCODES |
| 2 | NUM | Nomad Aviation AG | Callsign: Nomadjet, ICAO Callsign changed from Bully. | CH | AVCODES |
| 3 | NUMA | Numajiri Railway | | J | TRAFFIC |
| 4 | NUMC | NAUPACTUS MARINE CO LTD CYPRUS | | | SCAC3 |
| 5 | NUMC | NAUPACTUS MARINE CO LTD | | | SCAC4 |
| 6 | NUMD | NUMED INC | | | SCAC4 |
| 7 | NUMI | NAUMANN TRANSFER MOVING & STORAGE C | | | SCAC3 |
| 8 | NUMK | NUMARK TRANSPORTATION | | | SCAC4 |
| 9 | NUMQ | NU-MINE COAL CO INC | | | SCAC3 |
