| 1 | ZF | Katekavia-limited company | ICAO: KTK, Callsign: Katekavia, Founded in May 1995. Name changed to Azur Air | RUS | AVCODES |
| 2 | ZF | Atlantic Airlines de Honduras, S de R.L. | ICAO: HHA, Callsign: Atlantic Honduras, Founded in 1991 by Atlantic Airlines of Nicaragua. Ceased Operations in October 2008. Company dissolved in 2009. | HN | AVCODES |
| 3 | ZF | Airborne of Sweden AB | ICAO: MIW, Callsign: Midwing, Designator ZF recalled by IATA | S | AVCODES |
| 4 | ZF | Athens Airways S.A. | ICAO: ATW, Callsign: Athens Airways, Founded in 2008. Commenced operations on 31 January 2009. Ceased operations in September 2010. | GR | AVCODES |
| 5 | ZF | Safari Express Cargo Limited | ICAO: SXY, Callsign: Safari Express, IATA Prefix: 925, | EAK | AVCODES |
| 6 | ZF | AZUR air Limited Liability Company | ICAO: KTK, Callsign: Azur Air, Founded in May 1995 as Katekavia. ICAO designator changed to AZV w.e.f. 29 March 2020. Name changed from Katekavia-limited company | RUS | AVCODES |
| 7 | ZF | AZUR air Limited Liability Company | ICAO: AZV, Callsign: Azur Air, Founded in May 1995 as Katekavia. ICAO designator changed from KTK w.e.f. 29 March 2020. Name changed from Katekavia-limited company | RUS | AVCODES |
| 8 | ZFA | SUIKER UNIE GMBH Zuckerfabrik Anklam | | DE | VKM |
| 9 | ZFAF | ZEHNER FARMS | | | SCAC4 |
| 10 | ZFBH | Željeznice Federacije Bosne i Hercegovine | | BA | VKM |
| 11 | ZFCM | ZIRKLE FRUIT COMPANY | | | SCAC4 |
| 12 | ZFEL | ZIEGLER, F ENTERPRISES LTD | | | SCAC4 |
| 13 | ZFKA | ZENTGRAF, FRITZ K | | | SCAC4 |
| 14 | ZFOD | ZARDA FOODS | | | SCAC4 |
| 15 | ZFP | Flight Plan Processing Center of ATMB, CAAC. | | PRC | AVCODES |
| 16 | ZFRG | ZANE FREIGHT | | | SCAC4 |
| 17 | ZFRN | ZIFFRIN TRUCK LINES INC | | | PWRC |
| 18 | ZFRT | Z FREIGHT | | | SCAC4 |
| 19 | ZFSX | ZEELAND FARM SERVICES, INC. | | | PWRC |
| 20 | ZFSX | ZEELAND FARM SERVICES INC | | | SCAC4 |
| 21 | ZFSY | ZEPHYR FREIGHT SYSTEMS | | | SCAC4 |
