| 1 | SFC | Shuswap Air | Callsign: Shuswap, Designator 3S recalled by IATA | CDN | AVCODES |
| 2 | SFC | Shuswap Air | IATA: 3S, Callsign: Shuswap, Designator 3S recalled by IATA | CDN | AVCODES |
| 3 | SFC | Shuswap Flight Centre | | | ICAO1 |
| 4 | SFCB | SAVANNAH FOOD COMPANY | | | SCAC4 |
| 5 | SFCD | SIX FOUR ZERO SEVEN SIX NINE TWO (6 | | | SCAC4 |
| 6 | SFCE | SANCHEZ FREIGHT CORPORATION | | | SCAC4 |
| 7 | SFCH | SILVER FOX CHARTERS INC | | | SCAC4 |
| 8 | SFCI | STILES FUEL CO INC | | | SCAC4 |
| 9 | SFCK | SUPREME LOGISTICS (HONG KONG) LTD | | | SCAC4 |
| 10 | SFCM | SEATRAFFIC LTD | | | SCAC4 |
| 11 | SFCO | SIMULATION F1 COCKPIT INC | | | SCAC4 |
| 12 | SFCP | SAFCOMAR LINES LTD | | | SCAC4 |
| 13 | SFCR | SAGA FOREST CARRIERS | | | SCAC1 |
| 14 | SFCR | SAGA FOREST CARRIERS INTERNATIONAL | | | SCAC4 |
| 15 | SFCS | ST FRANCIS XAVIER UNIVERSITY | | | SCAC4 |
| 16 | SFCT | SAMUEL & FILS & CIE LTEE | | | SCAC4 |
| 17 | SFCU | SOFAST SHIPPING LIMITED | | HK | BIC |
| 18 | SFCU | Steele Fabrication | | | RSRV |
| 19 | SFCU | SCC SIX-IN-ONE CONTAINERS CO., S.A. | | | SCAC4 |
| 20 | SFCV | SERVCO FS COOPERATIVE INC | | | SCAC4 |
| 21 | SFCW | STATEWIDE FREIGHT INC | | | SCAC4 |
| 22 | SFCX | Sheffield Farms Co., Inc. | 7/1930-1/1950 | | NAKINA |
| 23 | SFCX | Southern Fertilizer and Chemical Co. | added 1/1955; 10/1957; eliminated 4/1958 | | NAKINA |
| 24 | SFCX | Safecar Railcar Service LLC | added 10/2003; eliminated 4/2004; 7/2005 (not listed) | | NAKINA |
| 25 | SFCX | Sheffield Farms Co., Inc. | Apr-38 | | NRHS |
| 26 | SFCX | Southern Fertilizer and Chemical Co. | Oct-57 | | NRHS |
| 27 | SFCX | *SOUTHERN FERLILIZER & CHEMICAL CO. [SHEFFIELD FARMS CO. INC.] | | | PWRC |
| 28 | SFCX | +SAFECAR RAILCAR SERVICE LLC | | | PWRC |
| 29 | SFCX | SAFECAR RAILCAR SERVICES LLC | | | SCAC4 |
