| 1 | FZ | Air Facilities | Formerly Arcas Airways | AUS | AVCODES |
| 2 | FZ | Aero Postal de Mexico, S.A. de C.V. | | MEX | AVCODES |
| 3 | FZ | Alisea Airlines S.p.A. | ICAO: BBG, Callsign: Alisea, Ceased operations December 2003. Designator FZ recalled by IATA. ICAO callsign changed from Bravo Bravo Golf | I | AVCODES |
| 4 | FZ | Master Airways | | SR | AVCODES |
| 5 | FZ | Flexflight ApS | ICAO: FXT, | DK | AVCODES |
| 6 | FZ | Dubai Aviation Corporation d/b/a flydubai | ICAO: FDB, Callsign: Sky Dubai, Founded on 19 March 2008. Commenced operations on 01 June 2009. | UAE | AVCODES |
| 7 | FZ | FARMACO | | | PWRC |
| 8 | FZA | Fuzhou Airlines Co., Ltd. | IATA: FU, Callsign: Strait Air, | PRC | AVCODES |
| 9 | FZAM | FAZIO, A MOVING & STORAGE INC | | | SCAC3 |
| 10 | FZAR | FRITZS AUTO REPAIR | | | SCAC3 |
| 11 | FZBR | FRANTZ BROTHERS INC | | | SCAC3 |
| 12 | FZBR | FOUR ZERO SEVEN TWO ONE TWO ZERO CA | | | SCAC4 |
| 13 | FZBT | FITZGERALD, BILLY TRUCKING | | | SCAC3 |
| 14 | FZCRA | ZAHAR CORABIA SA | | RO | VKM |
| 15 | FZDT | FLIZOYD TRANSPORTATION LLC | | | SCAC4 |
| 16 | FZEN | FRANZEN CONSTRUCTION INC | | | SCAC3 |
| 17 | FZET | FREEZE TRANSPORTATION | | | SCAC3 |
| 18 | FZHE | FITZHARRIS ENTERPRISES INC | | | SCAC3 |
| 19 | FZHE | FITZHARRIS ENTERPRISES INC | | | SCAC4 |
| 20 | FZIM | FITZSIMMONS, G INC | | | SCAC3 |
| 21 | FZIO | FAZZIO TRUCKING CO | | | SCAC3 |
| 22 | FZIO | FAZZIO TRUCKING CO | | | SCAC4 |
| 23 | FZIR | FRAZIER OIL CO INC | | | SCAC4 |
| 24 | FZJA | FERRAZZI, JOHN A | | | SCAC3 |
| 25 | FZJT | FOLTZ, JIM TRUCKING | | | SCAC3 |
| 26 | FZJU | FORSCHUNGSZENTRUM JUELICH GMBH | | D | BIC |
| 27 | FZJU | FORSCHUNGSZENTRUM JULICH GMBH | | | SCAC4 |
| 28 | FZKP | FERNANDEZ KALINCHUK, PRIMITIVO | | | SCAC4 |
| 29 | FZLL | FREIGHT ZONE LOGISTICS LLC | | | SCAC4 |
| 30 | FZLZ | FLEXI-VAN LEASING INC | | | SCAC4 |
| 31 | FZM | Trabajos Aeroes de Cordoba S.L. | | E | AVCODES |
| 32 | FZMA | FRITZ MARITIME AGENCIES | | | SCAC3 |
| 33 | FZMA | FRITZ MARITIME AGENCIES | | | SCAC4 |
| 34 | FZMG | FAZIOS INTERSTATE MOVING INC | | | SCAC3 |
| 35 | FZMK | FITZMARK LLC | | | SCAC4 |
| 36 | FZNL | FRENZEL TRUCKING INC | | | SCAC4 |
| 37 | FZNT | FROZEN TRANSPORTATION | | | SCAC3 |
| 38 | FZNT | FUZION TRANSPORTES | | | SCAC4 |
| 39 | FZOK | FIVE ZERO ONE (501) TRUCKING LLC | | | SCAC4 |
| 40 | FZON | FIVE ZERO ZERO TWO SEVEN EIGHT (500 | | | SCAC3 |
| 41 | FZOQ | FAUZIO, WILLIAM & JAMES | | | SCAC3 |
| 42 | FZPR | FITZPATRICK, ROBERT M | | | SCAC3 |
| 43 | FZPT | FITZPATRICK TRANSPORT (DONALD E FIT | | | SCAC3 |
| 44 | FZPU | FIZIPAN LTD | | GB | BIC |
| 45 | FZQU | TEIJIN ARAMID BV | | NL | BIC |
| 46 | FZQU | TEIJIN TWARON | | | SCAC4 |
| 47 | FZRF | FRITZ REFRIGERATED TRANSPORT | | | SCAC4 |
| 48 | FZRT | FRANTZ, RON TRUCKING | | | SCAC3 |
| 49 | FZRT | FAZZT RACE TEAM LLC | | | SCAC4 |
| 50 | FzS | Freunde zur Erhaltung historischer Schienenfahrzeugen e.V. | Stuttgart | D | privat-bahn.de |
| 51 | FZSC | FITZSIMMONS SERVICE CO INC | | | SCAC3 |
| 52 | FZSF | FOUR ZERO SIX FOUR NINE FOUR ONE (4 | | | SCAC4 |
| 53 | FZSL | FZ SERVICES LLC | | | SCAC4 |
| 54 | FZTC | FREIGHT ZONE TRANSPORTATION LLC | | | SCAC4 |
| 55 | FZTG | FRAZIER TRUCKING | | | SCAC3 |
| 56 | FZTI | FRANZ TRUCKING | | | SCAC3 |
| 57 | FZTK | FRITZ TRUCKING INC | | | SCAC3 |
| 58 | FZTT | FERTILIZERS OF TRINIDAT/TOBAGO LTD. | | | SCAC3 |
| 59 | FZTW | FRITZ, THEODORE W | | | SCAC3 |
| 60 | FZTW | FLYING EAGLE TRANSPORT LTD | | | SCAC4 |
| 61 | FZTY | FOLTZ, TY TRANSPORT | | | SCAC3 |
| 62 | FZW | Fresh Air | Callsign: Fresh Express, | ZW | AVCODES |
| 63 | FZW | NU-Aero (Pvt) Ltd t/a Fly Africa Zimbabwe | IATA: Z7, Operations commenced on 01 August 2014. | ZW | AVCODES |
| 64 | FZW | NU-Aero (Pvt) Ltd t/a Fly Africa Zimbabwe | IATA: ZC, Operations commenced on 01 August 2014. | ZW | AVCODES |
| 65 | FZW | Flyafrica Zimbabwe (PVT) Limited | IATA: ZC, | ZW | AVCODES |
| 66 | FZW | Flyafrica Zimbabwe (PVT) Limited | Designator ZC recalled by IATA | ZW | AVCODES |
| 67 | FZZD | FOUR ZERO ZERO (400) STORAGE LTD | | | SCAC4 |
| 68 | FZZL | FRIZZILL TRUCKING CO INC | | | SCAC3 |
| 69 | FZZO | FERRAZZANO, J & SON TRUCKING | | | SCAC3 |
| 70 | FZZO | FOUR ZERO ZERO ONE (4001) INC | | | SCAC4 |
| 71 | FZZS | FIVE Z (5Z) TRANSPORTATION SERVICES | | | SCAC4 |
