| 1 | ZN | Compagnie Aerienne Corse Mediterranee | ICAO: CCM, Callsign: Corsemedi, Established on 01 January 1989. Commenced operations in June 1990. IATA designator changed to XK | F | AVCODES |
| 2 | ZN | Eagle Airlines Luftverkehrsges mbH | ICAO: EAV, Callsign: Mayflower, Designator ZN recalled by IATA | A | AVCODES |
| 3 | ZN | Air Bourbon | ICAO: BUB, Callsign: Bourbon, Commenced operations on 07 June 2003. Ceased operations in December 2004. | REU | AVCODES |
| 4 | ZN | Zambia Airways (2014) Limited | ICAO: AZB, Callsign: Air Zambia, IATA Prefix: 138, | Z | AVCODES |
| 5 | ZNCK | ZERNICKE TRUCKING INC | | | SCAC4 |
| 6 | ZNDH | Air Force of the Independent State of Croatia (Zrakoplovstvo Nezavisne Države Hrvatske) | | NDH | TRAFFIC |
| 7 | ZNDL | ZINKE DRAY LINE, INC | | | SCAC1 |
| 8 | ZNDL | ZINKE DRAY LINE INC | | | SCAC4 |
| 9 | ZNGW | ZINGER WINGER INC | | | SCAC4 |
| 10 | ZNHC | ZEN-NOH HAY INC | | | SCAC4 |
| 11 | ZNLEP | Newag Gliwice S.A. | | PL | VKM |
| 12 | ZNS | Zakład Naprawy Samochodów Ryszard Elszyn | City: Solec Kujawski | PL | TRAFFIC |
| 13 | ZNSC | ZENITH LOGISTICS (USA) INC | | | SCAC4 |
| 14 | ZNSU | NORFOLK SOUTHERN CORPORATION | | | SCAC4 |
| 15 | ZNTE | ZUNIGA TOVAR, LETICIA | | | SCAC4 |
| 16 | ZNTG | ZENTNER TRANSPORTATION INC | | | SCAC4 |
| 17 | ZNTI | ZENITH INC | | | SCAC4 |
| 18 | ZNZF | ZERO NINE ZERO FIVE TWO ZERO ZERO S | | | SCAC4 |
| 19 | ZNZU | ZANZIBAR SHIPPING LINES LIMITED | | EAT | BIC |
