| 1 | RZ | Servicios Aereos Nacionales S.A. SANSA | ICAO: LRS, IATA Prefix: 503, Designator RZ* recalled by IATA. Designator RZ* reinstated by IATA | CR | AVCODES |
| 2 | RZ | Pan Am Express | ICAO: PXX, Callsign: Pan Am, Ceased operations | USA | AVCODES |
| 3 | RZ | Desert Airways Botswana (PTY) Ltd. | | BW | AVCODES |
| 4 | RZ | Rich International Airways, Inc. | ICAO: RIA, Callsign: Richair, | USA | AVCODES |
| 5 | RZ | Royal Falcon of Jordan | ICAO: RFJ, IATA Prefix: 372, IATA designator changed to RL | JOR | AVCODES |
| 6 | RZ | Servicios Aereos Nacionales S.A. SANSA | ICAO: LRS, Designator RZ* recalled by IATA. IATA Accounting code 684 recalled. Designator RZ* reinstated by IATA | CR | AVCODES |
| 7 | RZA | Jet Fighter Flights PTY Ltd. | Callsign: Razor, | AUS | AVCODES |
| 8 | RZA | Jet Fighter Flights | | | ICAO1 |
| 9 | RZAR | RAZER TRANSPORT LTD | | | SCAC4 |
| 10 | RZAU | VAN VIEVELT GOUDRIAAN CO. | | | SCAC3 |
| 11 | RZB | Regional Linhas Aereas S/A | Callsign: Aero Regional, Subsidary of Air Nostrum. | BR | AVCODES |
| 12 | RZBA | RIZZO-BOTTIGLIERI-DE CARLINI ARMATO | | | SCAC4 |
| 13 | RZBAU | R&Z Bau GmbH | | AT | VKM |
| 14 | RZBK | RAZORBACK RENTALS INC | | | SCAC3 |
| 15 | RZCJ | RETTZO, CARL JAMES | | | SCAC3 |
| 16 | RZCJ | RUIZ IBARRA, ALFREDO | | | SCAC4 |
| 17 | RZCR | RUIZ CARRILLO, FRANCISCO | | | SCAC4 |
| 18 | RZCT | RODRIGUEZ, CARMEN L TRUCKING | | | SCAC4 |
| 19 | RZD | | | RU | TRAFFIC |
| 20 | RZD | Russkiye Zheleznye Dorogi | | RU | VKM |
| 21 | RZDA | RODRIGUEZ DUARTE, ADRIAN | | | SCAC4 |
| 22 | RZDG | RODRIGUEZ, D G EXPRESS INC | | | SCAC4 |
| 23 | RZDU | PJSC TRANSCONTAINER | | RUS | BIC |
| 24 | RZDU | MINISTRY OF RUSSIAN RAILWAYS | | | SCAC4 |
| 25 | RZECZ | Usługi Przewozowe Telesfor Rzeczkowski | | PL | TRAFFIC |
| 26 | RZEK | RANSOM, ZEKE EXCAVATING | | | SCAC4 |
| 27 | RZESZ | MPK Rzeszów | | PL | TRAFFIC |
| 28 | RZFA | REEFER ONE (1) LTD | | | SCAC3 |
| 29 | RZFA | ROZAFA TRANSPORT INC | | | SCAC4 |
| 30 | RZFB | REEFER TWO (2) LTD. | | | SCAC3 |
| 31 | RZFD | RITZ FOOD DISTRIBUTORS | | | SCAC3 |
| 32 | RZFO | RODRIGUEZ, FRANCISCO | | | SCAC4 |
| 33 | RZGB | RODRIGUEZ, GILBERT | | | SCAC4 |
| 34 | RZGR | RAMIREZ GONZALEZ, RAUL | | | SCAC4 |
| 35 | RZHJ | RUIZ HINOJOSA, GORGONIO | | | SCAC4 |
| 36 | RZJ | Rizon Jet | Callsign: Rizon Jet, Founded in 2006. Ceased operations during 2016. | UAE | AVCODES |
| 37 | RZJJ | RODRIGUEZ, JUAN JESUS | | | SCAC4 |
| 38 | RZJN | RODRIGUEZ, JOHN | | | SCAC4 |
| 39 | RZKI | RAMIZ TRUCKING | | | SCAC4 |
| 40 | RZKT | ROZAK TRUCKING INC | | | SCAC3 |
| 41 | RZKU | JIANGSU SINOPURE ELECTRONIC MATERIALS CO., LTD | | PRC | BIC |
| 42 | RZL | Aero Zambia | IATA: Z9, Callsign: Aero Zambia, IATA Prefix: 509, Designator Z9 recalled by IATA | Z | AVCODES |
| 43 | RZL | Aero Zambia | | | ICAO1 |
| 44 | RZLA | RAZAR LA LLAVE | | | SCAC4 |
| 45 | RZLD | RUIZ LOZANO, ADELITA | | | SCAC4 |
| 46 | RZLR | ROESZLER TRUCKING LTD | | | SCAC4 |
| 47 | RZLU | {JSC "RZD LOGISTICS"};ZIPCODE=107078 | | RUS | BIC |
| 48 | RZLV | ROKOSZ LIVERY SERVICE INC | | | SCAC3 |
| 49 | RZLV | RODRIGUEZ, RAMIRO | | | SCAC4 |
| 50 | RZLY | RODRIGUEZ SARABIA, LYNN YUNEIRY | | | SCAC4 |
| 51 | RZMI | ROMERO ZAVALA, MARIA IRMA JULIETA | | | SCAC4 |
| 52 | RZMP | RUIZ, MISAEL TRANSPORT | | | SCAC4 |
| 53 | RZMT | RUIZ, M TRUCKING | | | SCAC4 |
| 54 | RZN | Air Zano, S.A. de C.V. | Callsign: Zano, | MEX | AVCODES |
| 55 | RZN | Aero Zano | | | ICAO1 |
| 56 | RZNA | RANZONA MOVING | | | SCAC3 |
| 57 | RZNI | ROZIN, IGOR | | | SCAC4 |
| 58 | RZNK | REIZEN, KELLER | | | SCAC3 |
| 59 | RZNP | R Z TRANSPORT | | | SCAC4 |
| 60 | RZO | SATA International Servicos e Transportes Aereos, S.A. | IATA: S4, Callsign: Air Azores, IATA Prefix: 331, Name changed to SATA International Servicos e Transportes Aereos, S.A. t/a Azores Airlines | P | AVCODES |
| 61 | RZO | SATA International Servicos e Transportes Aereos, S.A. t/a Azores Airlines | IATA: S4, Callsign: Air Azores, IATA Prefix: 331, Name changed from SATA International Servicos e Transportes Aereos, S.A. | P | AVCODES |
| 62 | RZO | SATA International | IATA: S4 | | ICAO1 |
| 63 | RZOA | RAMIREZ, HERIBERTO | | | SCAC4 |
| 64 | RZOT | RIZO AUTO TRANSPORT INC | | | SCAC4 |
| 65 | RZPS | RITZ PLASTICS INC | | | SCAC4 |
| 66 | RZQ | Rizon Qatar | Callsign: Rizon, Founded in 2006. Ceased operations during 2016. | Q | AVCODES |
| 67 | RZQV | RIZQ TRANSPORT SERVICES INC | | | SCAC4 |
| 68 | RZR | Zephyr Express | Callsign: Recovery, | USA | AVCODES |
| 69 | RZR | Zephyr Express | | | ICAO1 |
| 70 | RZRA | RODRIGUEZ, RODRIGO A TRUCKING | | | SCAC4 |
| 71 | RZRB | RAZOR BACK TRANSPORTATION LLC | | | SCAC4 |
| 72 | RZRC | RASCON RODRIGUEZ, RAMON ENRIQUE | | | SCAC4 |
| 73 | RZRR | RODRIGUEZ ROSALES, REGINO RAUL | | | SCAC4 |
| 74 | RZSH | RAZOR SHARP EXPRESS LLC | | | SCAC4 |
| 75 | RZT | Sun Ritz Jet Co., Ltd | Callsign: Ritz Jet, | PRC | AVCODES |
| 76 | RZTC | REITZ TRUCKING | | | SCAC4 |
| 77 | RZTG | RODRIGUEZ TRUCKING | | | SCAC3 |
| 78 | RZTG | RODRIGUEZ TRUCKING | | | SCAC4 |
| 79 | RZTH | RITZ, THOMAS | | | SCAC4 |
| 80 | RZTN | R Z TRUCKING | | | SCAC3 |
| 81 | RZTN | RAZIR TRANSPORT SERVICES LTD | | | SCAC4 |
| 82 | RZTP | R Z TRANSPORT INC | | | SCAC3 |
| 83 | RZTP | RUIZ TRANSPORT | | | SCAC4 |
| 84 | RZTR | RUIZ TRUCKING | | | SCAC4 |
| 85 | RZTS | RAZORBACK TRANSPORTATION SERVICES | | | SCAC3 |
| 86 | RZTS | RUIZ T S A DE C V | | | SCAC4 |
| 87 | RZTW | REITZ, THOMAS W | | | SCAC3 |
| 88 | RZU | Zhersu Avia | Callsign: Zhersu Avia, | KZ | AVCODES |
| 89 | RZV | Rzhevka | Callsign: Rzhevka, | RUS | AVCODES |
| 90 | RZV | Z-Avia | | | ICAO1 |
| 91 | RZVL | RODRIGUEZ VILLAFRANCA, LUIS ENRIQUE | | | SCAC4 |
| 92 | RZVN | ROZ VENTURES INC | | | SCAC4 |
| 93 | RZWS | REZAC, WES TRUCKING | | | SCAC3 |
| 94 | RZXI | RODRIGUEZ TRANSPORT INC | | | SCAC4 |
| 95 | RZXP | RAMIREZ EXPRESS | | | SCAC3 |
| 96 | RZZ | Anoka Air Charter, Inc. | Callsign: Red Zone, | USA | AVCODES |
| 97 | RZZ | Anoka Air Charter | | | ICAO1 |
| 98 | RZZD | RIZZO, DAVE STUDIOS INC | | | SCAC4 |
| 99 | RZZU | JOINT STOCK COMPANY «RZD BUSINESS ASSET» | | RUS | BIC |
