| 1 | SFR | Safair Operations (Proprietary) Limited t/a FlySafair | IATA: FA, Callsign: Cargo, Name changed to Safair Operations (Proprietary) Ltd. dba Safair. Name changed from Safair (Proprietary) Ltd. | ZA | AVCODES |
| 2 | SFR | Safair (Proprietary) Ltd. | IATA: FA, Callsign: Cargo, IATA Prefix: 640, Name changed to Safair Operations (Proprietary) Limited t/a FlySafair. Name changed from Safair Freighters (Pty) Ltd. | ZA | AVCODES |
| 3 | SFR | Safair Operations (Proprietary) Ltd. dba Safair | IATA: FA, Callsign: Cargo, Name changed from Safair Operations (Proprietary) Limited t/a FlySafair. Name changed from Safair (Proprietary) Ltd. | ZA | AVCODES |
| 4 | SFR | Safair Operations (Proprietary) Ltd. dba Safair | IATA: FA, Callsign: Cargo, IATA Prefix: 640, Name changed from Safair Operations (Proprietary) Limited t/a FlySafair. Name changed from Safair (Proprietary) Ltd. | ZA | AVCODES |
| 5 | SFR | Safair | IATA: FA | | ICAO1 |
| 6 | SFR | Southern Freight Logistics, LLC d/b/a Southern Freight R.R. | 7/2000-7/2005 | | NAKINA |
| 7 | SFR | Southern Freight Logistics, LLC d/b/a Southern Freight R.R. | Jul-00 | | NRHS |
| 8 | SFR | SOUTHERN FREIGHT LOGISTICS LLC d/b/a SOUTHERN FREIGHT RAILROAD | | | PWRC |
| 9 | SFR | Southern Freight Railroad | | | RSRV |
| 10 | SFR | SOUTHERN FREIGHT RAILROAD | | | SCAC4 |
| 11 | SFR | SERFER Servizi Ferroviari srl | | IT | VKM |
| 12 | SFRA | Atchison, Topeka & Santa Fe Ry. | 7/1965-1/1975 | | NAKINA |
| 13 | SFRA | Atchison, Topeka & Santa Fe Ry. | 7/65-1/75 | | NRHS |
| 14 | SFRA | BNSF RAILWAY [BURLINGTON NORTHERN & SANTA FE RWY; ATCHISON, TOPEKA & SANTA FE] | | | PWRC |
| 15 | SFRA | SUREFIRE TRANSPORTATION | | | SCAC4 |
| 16 | SFRB | Atchison, Topeka & Santa Fe Ry. | 10/1957-1/1980; eliminated 1/1986 | | NAKINA |
| 17 | SFRB | Atchison, Topeka & Santa Fe Ry. | 10/57-1/80; eliminated 1/86 | | NRHS |
| 18 | SFRB | BNSF RAILWAY [BURLINGTON NORTHERN & SANTA FE RWY; ATCHISON, TOPEKA & SANTA FE](FOR USE ON REFRIGERATOR CARS) | | | PWRC |
| 19 | SFRB | Atchison, Topeka and Santa Fe Railway (BNSF Railway) | | | RSRV |
| 20 | SFRC | Atchison, Topeka & Santa Fe Ry. Co. | 4/1961-1/1994; eliminated 7/1997; eliminated 4/2005 | | NAKINA |
| 21 | SFRC | BNSF Ry. Co. | added 4/2005; 7/2005 | | NAKINA |
| 22 | SFRC | Burlington Northern Santa Fe R.R. Co. | added 7/1997 | | NAKINA |
| 23 | SFRC | Atchison, Topeka & Santa Fe Ry. Co. | 4/61-1/94; eliminated 7/97 | | NRHS |
| 24 | SFRC | Burlington Northern Santa Fe R.R. Co. | added 7/97 | | NRHS |
| 25 | SFRC | BNSF RAILWAY [BURLINGTON NORTHERN & SANTA FE RWY; ATCHISON, TOPEKA & SANTA FE](FOR USE ON REFRIGERATOR CARS) | | | PWRC |
| 26 | SFRC | Atchison, Topeka and Santa Fe Railway (BNSF Railway) | | | RSRV |
| 27 | SFRC | STARFIRE CORPORATION | | | SCAC4 |
| 28 | SFRD | Atchison, Topeka & Santa Fe Ry. Co. | 4/1938-1/1980; eliminated 7/1980 | | NAKINA |
| 29 | SFRD | Atchison, Topeka & Santa Fe Ry. Co. | 4/38-1/80; eliminated 7/80 | | NRHS |
| 30 | SFRD | BNSF RAILWAY [BURLINGTON NORTHERN & SANTA FE RWY; ATCHISON, TOPEKA & SANTA FE](FOR USE ON REFRIGERATOR CARS) | | | PWRC |
| 31 | SFRD | Atchison, Topeka and Santa Fe Railway (BNSF Railway) | | | RSRV |
| 32 | SFRD | SUSAN FORWARDING INC | | | SCAC4 |
| 33 | SFRD | Santa Fe Refrigerator Dispatch | | USA | TRAFFIC |
| 34 | SFRE | Atchison, Topeka & Santa Fe Ry. | 7/1965-1/1980; eliminated 1/1986 | | NAKINA |
| 35 | SFRE | Atchison, Topeka & Santa Fe Ry. | 7/65-1/80; eliminated 1/86 | | NRHS |
| 36 | SFRE | BNSF RAILWAY [BURLINGTON NORTHERN & SANTA FE RWY; ATCHISON, TOPEKA & SANTA FE](FOR USE ON REFRIGERATOR CARS) | | | PWRC |
| 37 | SFRE | Atchison, Topeka and Santa Fe Railway (BNSF Railway) | | | RSRV |
| 38 | SFRF | Atchison, Topeka & Santa Fe Ry. | 10/1966-1/1975 | | NAKINA |
| 39 | SFRF | Atchison, Topeka & Santa Fe Ry. | 10/66-1/75 | | NRHS |
| 40 | SFRF | BNSF RAILWAY [BURLINGTON NORTHERN & SANTA FE RWY; ATCHISON, TOPEKA & SANTA FE] | | | PWRC |
| 41 | SFRG | STANFORD TRUCK LINE | | | SCAC4 |
| 42 | SFRJ | SCHLAGEL FARMS LLC | | | SCAC4 |
| 43 | SFRK | SCHAFER TRUCKING INC | | | SCAC4 |
| 44 | SFRL | SAFECO TRANSPORT LTD | | | SCAC4 |
| 45 | SFRM | Atchison, Topeka & Santa Fe Ry. | 7/1965-1/1975 | | NAKINA |
| 46 | SFRM | Atchison, Topeka & Santa Fe Ry. | 7/65-1/75 | | NRHS |
| 47 | SFRM | BNSF RAILWAY [BURLINGTON NORTHERN & SANTA FE RWY; ATCHISON, TOPEKA & SANTA FE] | | | PWRC |
| 48 | SFRM | SCHOFF FARM SERVICE INC | | | SCAC4 |
| 49 | SFRP | Atchison, Topeka & Santa Fe Ry. | 7/1965-1/1980; eliminated 1/1981 | | NAKINA |
| 50 | SFRP | Atchison, Topeka & Santa Fe Ry. | 7/65-1/80; eliminated 1/81 | | NRHS |
| 51 | SFRP | BNSF RAILWAY [BURLINGTON NORTHERN & SANTA FE RWY; ATCHISON, TOPEKA & SANTA FE](FOR USE ON REFRIGERATOR CARS) | | | PWRC |
| 52 | SFRP | Atchison, Topeka and Santa Fe Railway (BNSF Railway) | | | RSRV |
| 53 | SFRQ | STAUFFER, STACEY C | | | SCAC4 |
| 54 | SFRR | SCOTT FREE TRANSPORTATION SERVICES | | | SCAC4 |
| 55 | SFRS | SPECIALTY FREIGHT SERVICES INC | | | SCAC4 |
| 56 | SFRT | SOUTHWEST FREIGHT TRANSPORT INC | | | SCAC4 |
| 57 | SFRU | SCANFOR BVBA | | B | BIC |
| 58 | SFRU | SCANFOR BVBA | | | SCAC4 |
| 59 | SFRV | SHAN FREIGHTWAYS | | | SCAC4 |
| 60 | SFRX | Sapulpa Refining Co. | 7/1923 | | NAKINA |
| 61 | SFRX | Southern Foundry Supply, Inc. | added 10/1996; eliminated 4/2000; 7/2000 (not listed) | | NAKINA |
| 62 | SFRX | Philip Metals, Inc. | added 4/2001; 7/2005 | | NAKINA |
| 63 | SFRX | Southern Foundry Supply, Inc. | added 10/96; eliminated 4/2000; 7/2000 | | NRHS |
| 64 | SFRX | Philip Metals, Inc. | added 4/2001 | | NRHS |
| 65 | SFRX | *SAPULPA REFINING CO. | | | PWRC |
| 66 | SFRX | +PHILIP METALS, INC. [SOUTHERN FOUNDRY SUPPLY INCORPORATED] | | | PWRC |
| 67 | SFRX | Philip Metals | | | RSRV |
| 68 | SFRX | PHILIP METALS INC | | | SCAC4 |
