| 3401 | SFGP | SIERRA AIRFREIGHT EXPRESS | | | SCAC4 |
| 3402 | SFGQ | SOUND FREIGHT SOLUTIONS INC | | | SCAC4 |
| 3403 | SFGR | SCHAEFLEIN, GERHARD | | | SCAC4 |
| 3404 | SFGS | SEATTLE FREIGHT SERVICE INC | | | SCAC4 |
| 3405 | SFGV | SIMPLE FREIGHT SOLUTIONS INC | | | SCAC4 |
| 3406 | SFGW | S & F GAS WORKS | | | SCAC4 |
| 3407 | SFGX | Suburban Fuel Tank Car Co. | 1/1945-4/1947; 1/1950 (not listed) | | NAKINA |
| 3408 | SFGX | SUBURBAN FUEL TANK CAR CO. | | | PWRC |
| 3409 | SFH | North American Jet Charter Group, LLC | Callsign: Starfish, ICAO designator changed fron NAJ. ICAO callsign changed from Jet Group | USA | AVCODES |
| 3410 | SFH | Schienenfahrzeuge Export-Import Handelsgesellschaft mbH | | D | TRAFFIC |
| 3411 | SFH | SFH Schienenfahrzeuge Export-Import | | DE | VKM |
| 3412 | SFHA | STEFFEN HAY INC | | | SCAC4 |
| 3413 | SFHB | SUPREME FREIGHT BROKERAGE | | | SCAC4 |
| 3414 | SFHD | SOLAR FREIGHT SYSTEMS LTD | | | SCAC4 |
| 3415 | SFHG | STERLING SURFACE TECHNOLOGIES INC | | | SCAC4 |
| 3416 | SFHH | SCHIFFFAHRTSGESELLSCHAFT HERMAN WUL | | | SCAC4 |
| 3417 | SFHI | SOUTHERN TURF HAWAII | | | SCAC4 |
| 3418 | SFHK | STAR FREIGHT LLC (BROKERAGE DIVISIO | | | SCAC4 |
| 3419 | SFHL | SPINELLA FREIGHT LINES, INC | | | SCAC1 |
| 3420 | SFHL | SPINELLA FREIGHT LINES INC | | | SCAC4 |
| 3421 | SFHM | ST FREIGHT LLC | | | SCAC4 |
| 3422 | SFHO | SIMOFF, ANDREW HORSE TRANSPORTATION | | | SCAC4 |
| 3423 | SFHQ | SPERRS FUEL & HEATING CO INC | | | SCAC4 |
| 3424 | SFHR | SUNFRESH FARMS | | | SCAC4 |
| 3425 | SFHU | SINOSCIENCE FULLCRYO (HONG KONG) COMPANY | | HK | BIC |
| 3426 | SFHY | SUNMOON FREIGHT INC | | | SCAC4 |
| 3427 | SFI | Sky Freighters, N.V. | Callsign: Sky Friend, | B | AVCODES |
| 3428 | SFI | Star Aerospace | Callsign: Space Star, Name changed to The Sky, Inc. | ROK | AVCODES |
| 3429 | SFI | The Sky, Inc. | Callsign: Space Star, Name changed from Star Aerospace. | ROK | AVCODES |
| 3430 | SFIA | SAFARI ARTS | | | SCAC4 |
| 3431 | SFIE | STAR FIRE TRANSPORTATION | | | SCAC4 |
| 3432 | SFIG | SAB FILTER INC | | | SCAC4 |
| 3433 | SFIH | SUPREME FREIGHT INC | | | SCAC4 |
| 3434 | SFII | SEFINA INDUSTRIES LTD | | | SCAC4 |
| 3435 | SFIK | SPOT FREIGHT INC | | | SCAC4 |
| 3436 | SFIL | SFI LOGISTICS INC | | | SCAC4 |
| 3437 | SFIO | SWIFTI FOOD STORES | | | SCAC4 |
| 3438 | SFIP | STAR TRANSPORTATION COMPANY, A FL C | | | SCAC4 |
| 3439 | SFIQ | SNYDER FUELS INC | | | SCAC4 |
| 3440 | SFIU | SFI TRANSIT | | MUS | BIC |
| 3441 | SFIX | System Fuels, Inc. | 1/1980; added 4/1980; 1/1994; eliminated 4/1998 | | NAKINA |
| 3442 | SFIX | HELM Financial Corp. | added 4/1998; 7/2000-7/2005 | | NAKINA |
| 3443 | SFIX | System Fuels, Inc. | 1/80; added 4/80; 1/94; eliminated 4/98 | | NRHS |
| 3444 | SFIX | HELM Financial Corp. | added 4/98; 7/2000 | | NRHS |
| 3445 | SFIX | HELM FINANCIAL CORPORATION (SYSTEM FUELS, INC. LESSEE) | | | PWRC |
| 3446 | SFIX | System Fuels | | | RSRV |
| 3447 | SFIX | HELM FINANCIAL CORPORATION | | | SCAC4 |
| 3448 | SFIY | SOUTHERN FOODS INC | | | SCAC4 |
| 3449 | SFIZ | STONE FOREST INDUSTRY | | | PWRC |
| 3450 | SFJ | Star Flyer Inc | IATA: 7G, Callsign: Starflyer, | J | AVCODES |
| 3451 | SFJ | Star Flyer Inc | IATA: 7G, Callsign: Starflyer, | J | AVCODES |
| 3452 | SFJ | Star Flyer | IATA: 7G | | ICAO1 |
| 3453 | SFJ | Sydfynske Jernbane (Svendborgbanen) | 1876 - 1949 | DK | jernbanen.dk |
| 3454 | SFJ | Sydfynske Jernbane (Svendborgbanen) | 1876 - 1949 | DK | TRAFFIC |
| 3455 | SFJA | S & C FREIGHT SYSTEM LTD | | | SCAC4 |
| 3456 | SFJB | SHEPARD FREIGHT AUDIT LLC | | | SCAC4 |
| 3457 | SFJD | SUNFIRE CONSULTING LTD | | | SCAC4 |
| 3458 | SFJE | STEINICH FARMS INC | | | SCAC4 |
| 3459 | SFJF | SWING FREIGHTWAY INC | | | SCAC4 |
| 3460 | SFJG | SPEARFISH TRUCKING | | | SCAC4 |
| 3461 | SFJH | SCHIEFERSTEIN-HARTL, NANCY | | | SCAC4 |
| 3462 | SFJL | SHIVERS FARMS LLC | | | SCAC4 |
| 3463 | SFJN | SF FLEET FUELING INC | | | SCAC4 |
| 3464 | SFJT | SIX FIVE SEVEN ZERO FIVE FOUR TWO ( | | | SCAC4 |
| 3465 | SFK | Southair Ltd. (Sudurflug EHF) | | IS | AVCODES |
| 3466 | SFKA | SURFACE TRUCKING AND TRANSPORT LLC | | | SCAC4 |
| 3467 | SFKC | STI FREIGHT BROKERAGE LLC | | | SCAC4 |
| 3468 | SFKD | S & F TRUCKING INC | | | SCAC4 |
| 3469 | SFKG | S F TRUCKING INC | | | SCAC4 |
| 3470 | SFKL | SAFETY-KLEEN SYSTEMS INC | | | SCAC4 |
| 3471 | SFKM | S & F TRUCKING COMPANY | | | SCAC4 |
| 3472 | SFKN | S & F TRUCKING | | | SCAC4 |
| 3473 | SFKR | SHEFLAND TRUCKING SERVICE INC | | | SCAC4 |
| 3474 | SFKT | SOUTHFORK TRANSPORTATION LLC | | | SCAC4 |
| 3475 | SFKV | STAUFFENECKER, DAVID A | | | SCAC4 |
| 3476 | SFL | Southflight Aviation Ltd. | Callsign: Southflight, | NZ | AVCODES |
| 3477 | SFL | Southflight Aviation | | | ICAO1 |
| 3478 | SFLC | Atchison, Topeka & Santa Fe Ry. Co. | added 7/1977; 1/1980-1/1994; eliminated 7/1997 | | NAKINA |
| 3479 | SFLC | Burlington Northern Santa Fe Ry. Co. | added 7/1997; 7/2000; eliminated 4/2005 | | NAKINA |
| 3480 | SFLC | BNSF Ry. Co. | added 4/2005; 7/2005 | | NAKINA |
| 3481 | SFLC | Atchison, Topeka & Santa Fe Ry. Co. | added 7/77; 1/80-1/94; eliminated 7/97 | | NRHS |
| 3482 | SFLC | Burlington Northern Santa Fe Ry. Co. | added 7/97; 7/2000 | | NRHS |
| 3483 | SFLC | BNSF RAILWAY [BURLINGTON NORTHERN & SANTA FE RWY; ATCHISON, TOPEKA & SANTA FE] | | | PWRC |
| 3484 | SFLC | Atchison, Topeka and Santa Fe Railway (BNSF Railway) | | | RSRV |
| 3485 | SFLF | STANFILL ENTERPRISES CO INC | | | SCAC4 |
| 3486 | SFLG | SOUTHERN FREIGHT LOGISTICS LLC | | | SCAC4 |
| 3487 | SFLJ | SERVI-FLETES | | | SCAC4 |
| 3488 | SFLL | SAFBANK LINE LTD | | | SCAC1 |
| 3489 | SFLL | SCHAFFER LOADERS LTD | | | SCAC4 |
| 3490 | SFLM | SAFE LINK TRANSPORTATION COMPANY | | | SCAC4 |
| 3491 | SFLP | SEMFUEL TRANSPORT LLC | | | SCAC4 |
| 3492 | SFLQ | SEAWAY FREIGHT LINES, INC | | | SCAC1 |
| 3493 | SFLQ | COLEMAN AMERICAN MOVING SERVICES OF | | | SCAC4 |
| 3494 | SFLR | The Shore Fast Line, Inc. | added 10/1985; eliminated 7/1992; 1/1994-7/2000 | | NAKINA |
| 3495 | SFLR | The Shore Fast Line, Inc. | eliminated 7/92; 1/94-7/2000 | | NRHS |
| 3496 | SFLR | RETIRED 03-02-92 ATP (0255) [SHORE FAST LINE INC.] | | | PWRC |
| 3497 | SFLR | Shore Fast Line Railroad | | | RSRV |
| 3498 | SFLR | SEAFLARE NAVIGATION COMPANY LIMITED | | | SCAC4 |
| 3499 | SFLR | The Shore Fast Line, Inc. | | USA | TRAFFIC |
| 3500 | SFLS | SIFUENTES AGUILAR, SANTOS MARCIAL | | | SCAC4 |
