| 1 | RF | Ord Air Charter Ply. Ltd. | IATA designator changed from QN* | AUS | AVCODES |
| 2 | RF | Kanfey-Ha'emek Aviation d/b/a Emek Wings | ICAO: KHE, Callsign: Kanfey Haemek, Name changed to Israir in September 1996. | IL | AVCODES |
| 3 | RF | Rhodesian Air Services (Pvt.) Ltd. | Callsign: Rhoflight, | RNY | AVCODES |
| 4 | RF | Florida West International Airways, Inc. | ICAO: FWL, Callsign: Flo West, IATA Prefix: 330, Acquired by Atlas air Worldwide Holdings on 07 April 2016. All operations ceased by March 2017. Name changed from Florida West Airlines | USA | AVCODES |
| 5 | RF | Erofey LLC t/a E-Cargo Airlines | ICAO: ERF, Callsign: Gulliver, IATA Prefix: 358, | RUS | AVCODES |
| 6 | RF | Aero K Airlines | ICAO: EOK, Callsign: Aerokorea, AOC acquired on 28 December 2020. Commenced operations on 14 April 2021. Name changed from KAIR Airlines. | PRK | AVCODES |
| 7 | RF | RENFE | | E | TRAFFIC |
| 8 | RF | Railflex GmbH | | DE | VKM |
| 9 | RF&P | Richmond, Fredricksburg & Potomac R.R. Co. | 8/1920-7/1936 | | NAKINA |
| 10 | RF&P | RICHMOND, FREDERICKSBURG & POTOMAC RR (NOW CSX TRANSPORTATION) | | | PWRC |
| 11 | RFA | Raleigh Flying Service, Inc. | Callsign: Raleigh Service, | USA | AVCODES |
| 12 | RFA | Al-Rafedain Falcon Air Cargo | | IRQ | AVCODES |
| 13 | RFA | Raleigh Flying Service | | | ICAO1 |
| 14 | RFAA | ROBINSON FARMS | | | SCAC4 |
| 15 | RFAB | REMFILS A-2-B TRANSPORT | | | SCAC4 |
| 16 | RFAC | REFRIGERADOS ACEVEDO | | | SCAC4 |
| 17 | RFAE | U. S. DEPT. OF ENERGY ROCKY FLATS PLANT | | | PWRC |
| 18 | RFAK | REMARK FARMS | | | SCAC4 |
| 19 | RFAR | RITTER FARMS | | | SCAC4 |
| 20 | RFAV | RICKS FRAME AND COLLISION SERVICE | | | SCAC4 |
| 21 | RFB | Ringe - Fåborg Banen (Fåborgbanen) | 1882 - 1962 | DK | jernbanen.dk |
| 22 | RFB | Ringe - Fåborg Banen (Fåborgbanen) | 1882 - 1962 | DK | TRAFFIC |
| 23 | RFB | ROMPLUMB SA | | RO | VKM |
| 24 | RFBD | RALCORP FROZEN BAKERY PRODUCTS | | | SCAC4 |
| 25 | RFBG | RIFENBURG TRUCKING INC | | | SCAC4 |
| 26 | RFBI | REXIUS FOREST BY-PRODUCTS INC | | | SCAC4 |
| 27 | RFBK | RAPID FREIGHT BROKER SOLUTIONS | | | SCAC4 |
| 28 | RFBL | REFRIGERADOS BALDERAS | | | SCAC4 |
| 29 | RFBP | REXIUS FOREST BY-PRODUCTS INC | | | SCAC3 |
| 30 | RFBS | REGIONAL FLATBED SERVICE LLC | | | SCAC4 |
| 31 | RFBU | BIMICON CONTAINER SERVICE GMBH | | D | BIC |
| 32 | RFBV | ROWE FREIGHT BROKER SERVICES LLC | | | SCAC4 |
| 33 | RFC | Aero Africa (Pty) Ltd | Callsign: Aero Africa, Ceased operations on 01 March 2010. | SD | AVCODES |
| 34 | RFC | Aero Africa | | | ICAO1 |
| 35 | RFCA | R & F CARRIERS LLC | | | SCAC4 |
| 36 | RFCD | ROADMASTER FREIGHT COMPANIES LLC | | | SCAC4 |
| 37 | RFCF | RELIABLE FREIGHT CARRIERS | | | SCAC4 |
| 38 | RFCG | RIVERFRONT CARTAGE COMPANY OF OHIO | | | SCAC3 |
| 39 | RFCI | ROYAL FREIGHT CARRIERS INC | | | SCAC3 |
| 40 | RFCM | ROUSSEAU FARMING CO | | | SCAC4 |
| 41 | RFCN | R F C WORLD WIDE INC | | | SCAC3 |
| 42 | RFCN | ROCKLAND FUEL CARRIER | | | SCAC4 |
| 43 | RFCO | ROYAL FOODS CO INC | | | SCAC3 |
| 44 | RFCP | RECYCLED FIBERS CORP OF NJ | | | SCAC3 |
| 45 | RFCP | RUOFF & COMPANY INC | | | SCAC4 |
| 46 | RFCR | REFAC INDUSTRIAL CONTRACTORS INC | | | SCAC4 |
| 47 | RFCS | REEFER CARGO SERVICES AGENCY | | | SCAC3 |
| 48 | RFCT | R F C TRANSPORTATION SERVICE | | | SCAC3 |
| 49 | RFCT | REFURBISHED CONTAINER SYSTEMS | | | SCAC4 |
| 50 | RFCT | Rail4Chem Transalpin AG | | CH | VKM |
| 51 | RFCU | RAFFLES LEASE PTE LTD | | SGP | BIC |
| 52 | RFCU | RAFFLES LEASE PTE LTD | | | SCAC4 |
| 53 | RFCV | ROCKY FREIGHT & CRANE SERVICES LTD | | | SCAC4 |
| 54 | RFCW | RFC WORLD WIDE | | | SCAC3 |
| 55 | RFCW | RLF TRUCKING INC | | | SCAC4 |
| 56 | RFCX | R&F Coal Co. | added 7/1980; eliminated 7/1991 | | NAKINA |
| 57 | RFCX | Rentco Division, Fruehauf Corp. | added 4/1967; 4/1970; eliminated 7/1972 | | NAKINA |
| 58 | RFCX | Rentco Division, Fruehauf Corp. | added 4/67; 4/70 | | NRHS |
| 59 | RFCX | R&F Coal Co. | added 7/80; eliminated 7/91 | | NRHS |
| 60 | RFCX | *RENTCO DIV., FRUEHAUF CORP. | | | PWRC |
| 61 | RFCX | *R & F COAL CO. (RETIRED 06-17-91) | | | PWRC |
| 62 | RFCX | +ROTHSAY FARMERS CO-OPERATIVE | | | PWRC |
| 63 | RFCX | R&F Coal | | | RSRV |
| 64 | RFCX | ROTHSAY FARMERS CO-OPERATIVE | | | SCAC4 |
| 65 | RFCY | RUTLAND FUEL CO | | | SCAC4 |
| 66 | RFD | Aerotransportes Rafilher, S.A. de C.V. | IATA: ZV, Callsign: Rafilher, | MEX | AVCODES |
| 67 | RFD | Aerotransportes Rafilher | | | ICAO1 |
| 68 | RFD | Railfreight Distribution | | GB | TRAFFIC |
| 69 | RFDI | RELIABLE FREIGHT DISTRIBUTORS INC | | | SCAC4 |
| 70 | RFDL | RAFTER T LIMITED | | | SCAC4 |
| 71 | RFDN | RAEFORD TRUCKING | | | SCAC4 |
| 72 | RFDW | RANCHO FLORES DEL OESTE - FLORAWEST | | | SCAC4 |
| 73 | RFE | Aero Fe, S.A. | Callsign: Aerofe, | MEX | AVCODES |
| 74 | RFE | Jet Express LLC | Callsign: Russian Express, Name changed to Jet Express Ltd. | RUS | AVCODES |
| 75 | RFE | Jet Express Ltd. | Callsign: Russian Express, Name changed from Jet Express LLC. | RUS | AVCODES |
| 76 | RFEI | RED FEATHER EXPRESS INC | | | SCAC4 |
| 77 | RFEN | R F ENTERPRISES | | | SCAC4 |
| 78 | RFEO | REYNA, FERNANDO | | | SCAC4 |
| 79 | RFEQ | RICE FARM EQUIPMENT | | | SCAC4 |
| 80 | RFER | REEFER XPRESS | | | SCAC4 |
| 81 | RFES | REFRIGERATED EXPRESS SERVICE | | | SCAC3 |
| 82 | RFES | REFRIGERATED EXPRESS SERVICE | | | SCAC4 |
| 83 | RFET | REEFER TERMINALS INC | | | SCAC3 |
| 84 | RFEU | NANTONG UNITED HEAVY MACHINERY CO., LTD. | | PRC | BIC |
| 85 | RFEZ | (REAZ) RETIRED 04-06-93 ATP (ACI 2348) | | | PWRC |
| 86 | RFF | Russian Federation Air Force | Callsign: Russian Airforce, | RUS | AVCODES |
| 87 | RFF | Russian Federation Air Force | | | ICAO1 |
| 88 | RFFA | ROBERTSON FAST FREIGHT | | | SCAC4 |
| 89 | RFFI | ROSS FAST FREIGHT | | | SCAC3 |
| 90 | RFFL | RONS FAMILY FUEL | | | SCAC4 |
| 91 | RFFN | RIFFLINE INC | | | SCAC3 |
| 92 | RFFN | RAINFOREST FLORA INC | | | SCAC4 |
| 93 | RFFO | ROCCO FARM FOODS INC | | | SCAC3 |
| 94 | RFFQ | RUFFOLO, J & SONS | | | SCAC3 |
| 95 | RFFR | RAYMOUR & FLANIGAN FURNITURE | | | SCAC4 |
| 96 | RFFS | RIFF SHIPPING CORP PIRAEUS GREECE | | | SCAC3 |
| 97 | RFFSA | Rede Ferrovária Federal SA | | BR | TRAFFIC |
| 98 | RFFT | R F FREIGHT LINES INC | | | SCAC3 |
| 99 | RFFW | RENFREIGHT FORWARDING S A | | | SCAC3 |
| 100 | RFGA | RFG TRANSPORTATION | | | SCAC4 |
