| 1 | RFR | Royal Air Force | IATA: RR, Callsign: Rafair, Designator RR recalled by IATA. | GB | AVCODES |
| 2 | RFR | Royal Air Force | Callsign: Rafair, Designator RR recalled by IATA. | GB | AVCODES |
| 3 | RFR | Royal Air Force | IATA: RR | | ICAO1 |
| 4 | RFRC | R FREIGHT CARRIERS INC | | | SCAC3 |
| 5 | RFRC | ROSCO FREIGHT SERVICE INC | | | SCAC4 |
| 6 | RFRD | REFORD, ROBERT INC | | | SCAC3 |
| 7 | RFRI | ROM-FREIGHT INC | | | SCAC4 |
| 8 | RFRN | ROUSH FENWAY RACING LLC | | | SCAC4 |
| 9 | RFRP | ROOM FOR RENT EQUIPMENT LEASING INC | | | SCAC4 |
| 10 | RFRR | REDFERN RESOURCES LTD | | | SCAC4 |
| 11 | RFRS | RAINS FREIGHT SYSTEM INC | | | SCAC3 |
| 12 | RFRT | REFRIGERATED TRANSPORT | | | SCAC3 |
| 13 | RFRU | Rain For Rent | | | RSRV |
| 14 | RFRU | RAIN FOR RENT | | | SCAC4 |
| 15 | RFRX | Rick Franklin Corp. | 7/2000-7/2005 (not listed) | | NAKINA |
| 16 | RFRX | Rick Franklin Corp. | Jul-00 | | NRHS |
| 17 | RFRX | *ROARING FORK RAILROAD HOLDING AUTHORITY | | | PWRC |
| 18 | RFRX | +RICK FRANKLIN CORPORATION | | | PWRC |
| 19 | RFRX | Rick Franklin Corporation | | | RSRV |
