| 2401 | FGCS | FIRST GEORGIA CARRIERS INC | | | SCAC3 |
| 2402 | FGCT | F & G CO OF TAMPA, PANAMA CITY FL | | | SCAC3 |
| 2403 | FGCX | Florida Gulf Coast R.R. Museum, Inc. (passenger cars) | 1/1994-7/2005 (not listed) | | NAKINA |
| 2404 | FGCX | Fruit Growers Express Co. | added 1/1961; 4/1961-1/1980; eliminated 10/1981; eliminated 1/1982 | | NAKINA |
| 2405 | FGCX | Fuelgas Corp. | 1/1945-1/1950 | | NAKINA |
| 2406 | FGCX | Fruit Growers Express Co. | 4/61-1/80; eliminated 10/81; eliminated 1/82 | | NRHS |
| 2407 | FGCX | Florida Gulf Coast R.R. Museum, Inc. (passenger cars) | 1/94-7/2000 | | NRHS |
| 2408 | FGCX | *FUELGAS CORP. | | | PWRC |
| 2409 | FGCX | *FRUIT GROWERS EXPRESS CO. | | | PWRC |
| 2410 | FGCX | +FLORIDA GULF COAST RAILROAD MUSEUM (PASSENGER CARS) | | | PWRC |
| 2411 | FGCX | Florida Gulf Coast Railroad Museum | | | RSRV |
| 2412 | FGCX | Fruit Growers Express Co. | | USA | TRAFFIC |
| 2413 | FGD | Conair Group Inc. d/b/a Conair | Callsign: Fireguard, | CDN | AVCODES |
| 2414 | FGDE | F & G DELIVERY | | | SCAC3 |
| 2415 | FGDI | FREIGHT DISTRIBUTION INC | | | SCAC3 |
| 2416 | FGDL | FREIGHT DELIVERY INC | | | SCAC4 |
| 2417 | FGDR | FUGATE DRAY ENTERPRISES INC | | | SCAC3 |
| 2418 | FGDS | FOLEGANDROS SHIPPING CORPORATION | | | SCAC3 |
| 2419 | FGE | Federal Air G.E. Airlines | Callsign: Federal-Gee, | GQ | AVCODES |
| 2420 | FGE | FlyGeorgia | IATA: 9Y, Callsign: Georgian Wing, Designator 9Y recalled by IATA | GE | AVCODES |
| 2421 | FGE | First Great Eastern Ltd. | 1999: 262km standard gauge, electrified at 25kV 50 Hz First Great Eastern was a railway company that operated suburban, local and medium distance train services from London Liverpool Street via Romford to Essex and Ipswich. From April 1, 2004, all First Great Eastern services were transferred to 'one', a new company operating all services from Liverpool Street. Most lines previously served by First Great Eastern are electrified (25 kV AC overhead catenary) with the exception of the Marks Tey to Sudbury line, which is served by diesel units. | GB | TRAFFIC |
| 2422 | FGEB | FELLING ENTERPRISES | | | SCAC4 |
| 2423 | FGEC | FIRST GLOBAL EXPRESS INC | | | SCAC4 |
| 2424 | FGED | FARMERS GRAIN EXPRESS | | | SCAC3 |
| 2425 | FGEI | FREIGHT EXPRESS INC | | | SCAC3 |
| 2426 | FGEP | FLAG EXPRESS | | | SCAC3 |
| 2427 | FGER | Fruit Growers Express Co. | added 1/1980; 1/1980-7/2000 | | NAKINA |
| 2428 | FGER | Fruit Growers Express Co. | added 1/80; 1/80-7/2000 | | NRHS |
| 2429 | FGER | FRUIT GROWERS EXPRESS CO | | | PWRC |
| 2430 | FGER | Fruit Growers Express | | | RSRV |
| 2431 | FGEX | Fruit Growers Express Co. | 7/1923-10/1966 & 1/1975-1/1980; eliminated 10/1980; added 4/2005; 7/2005 | | NAKINA |
| 2432 | FGEX | Fruit Growers Express Co. | 4/38-10/66 & 1/75-1/80; eliminated 10/80 | | NRHS |
| 2433 | FGEX | Fremont Grain Co. | added 1/88 | | NRHS |
| 2434 | FGEX | FRUIT GROWERS EXPRESS CO | | | PWRC |
| 2435 | FGEX | Fruit Growers Express | | | RSRV |
| 2436 | FGEX | FRUIT GROWERS EXPRESS CO | | | SCAC3 |
| 2437 | FGEX | FRUIT GROWERS EXPRESS COMPANY | | | SCAC4 |
| 2438 | FGEX | Fruit Growers Express Co. | | USA | TRAFFIC |
| 2439 | FGFM | FERGUSON FAMILY ENTERPRISES | | | SCAC3 |
| 2440 | FGFR | FORMANS GRAIN & FERTILIZER LLC | | | SCAC4 |
| 2441 | FGFT | FORT GARRY FIRE TRUCKS LTD | | | SCAC4 |
| 2442 | FGFX | Fremont Grain Co. | added 1/1988; eliminated 7/1989 | | NAKINA |
| 2443 | FGFX | Fremont Grain Co. | eliminated 7/89 | | NRHS |
| 2444 | FGFX | FREMONT GRAIN CO. | | | PWRC |
| 2445 | FGG | flyGlobal Charter Sdn Bhd | IATA: FS, Callsign: Bluefinch, Ceased operations in November 2018. | MAL | AVCODES |
| 2446 | FGG | Feldschlösschen Getränke AG | | CH | VKM |
| 2447 | FGGB | FLAGG BROTHERS MOVING & STORAGE INC | | | SCAC3 |
| 2448 | FGGD | FLORES GARCIA, GUADALUPE (MX-559115 | | | SCAC4 |
| 2449 | FGGT | FLAGG TRUCKING & REPAIR INC | | | SCAC3 |
| 2450 | FGGX | Farmers Grain Cooperative | added 10/1990; 1/1994-7/2005; eliminated 1/2006 | | NAKINA |
| 2451 | FGGX | Farmers Grain Cooperative | added 10/90; 1/94-7/2000 | | NRHS |
| 2452 | FGGX | FARMERS GRAIN CO-OPERATIVE | | | PWRC |
| 2453 | FGGX | Farmers Grain Cooperative | | | RSRV |
| 2454 | FGGX | FARMERS GRAIN CO-OPERATIVE | | | SCAC4 |
| 2455 | FGH | Fan Airways Limited | Callsign: Fanair, | GH | AVCODES |
| 2456 | FGHB | FLIGHTPRO LLC | | | SCAC4 |
| 2457 | FGHC | FREIGHTMATCHERS.COM | | | SCAC4 |
| 2458 | FGHE | FLYING H EXPRESS INC | | | SCAC3 |
| 2459 | FGHF | FREIGHTFINDERS | | | SCAC4 |
| 2460 | FGHI | FREIGHT TRANSPORTATION SERVICE INC | | | SCAC4 |
| 2461 | FGHL | FREIGHT LINE INC | | | SCAC3 |
| 2462 | FGHL | FLYING H TRUCKING LLC | | | SCAC4 |
| 2463 | FGHM | FREIGHT MASTER INC | | | SCAC3 |
| 2464 | FGHN | FREIGHT TRANS INC | | | SCAC4 |
| 2465 | FGHO | FORGY, H O | | | SCAC3 |
| 2466 | FGHP | FREIGHT TRANSPORTERS INC | | | SCAC4 |
| 2467 | FGHQ | FREIGHTMEN INTERNATIONAL SHIPPING | | | SCAC3 |
| 2468 | FGHR | FORESIGHT MARITIME S A | | | SCAC3 |
| 2469 | FGHR | FREIGHT READY | | | SCAC4 |
| 2470 | FGHS | FREIGHT-SAVERS SHIPPING CO LTD | | | SCAC3 |
| 2471 | FGHW | FREIGHT WAYS | | | SCAC3 |
| 2472 | FGHY | FREIGHTMASTERS LOGISTICS INC | | | SCAC4 |
| 2473 | FGIF | FOGO ISLAND FREIGHT INC | | | SCAC4 |
| 2474 | FGIL | FRAGILE TRANSPORT INC | | | SCAC4 |
| 2475 | FGIQ | FREIGHT GUARD INC | | | SCAC4 |
| 2476 | FGIW | FG INTERNATIONAL LOGISTIC LTD | | | SCAC4 |
| 2477 | FGIX | Farmer's Grain and Feed Co., Inc. | 1/1975-1/1980 | | NAKINA |
| 2478 | FGIX | Farmer's Grain and Feed Co., Inc. | 1/75-1/80 | | NRHS |
| 2479 | FGIX | FARMER'S GRAIN & FEED CO., INC. | | | PWRC |
| 2480 | FGJD | FLAGGS, GERALD & JOANNE DULSE | | | SCAC4 |
| 2481 | FGKL | FERGUSON, KELLEY L | | | SCAC4 |
| 2482 | FGKM | FERGUSON, KIM | | | SCAC4 |
| 2483 | FGKU | FEDERAL FREIGHT COMPANY, JSC | | RUS | BIC |
| 2484 | FGL | Futura Gael | IATA: F0, Callsign: Applewood, Ceased operations on 07 September 2008 | IRL | AVCODES |
| 2485 | FGL | Futura Gael | | | ICAO1 |
| 2486 | FGLE | FULLER, G L ENTERPRISE | | | SCAC3 |
| 2487 | FGLI | FLASH GLOBAL LOGISTICS INC | | | SCAC4 |
| 2488 | FGLK | Finger Lakes Ry. Corp. | added 10/1995; 7/2000-7/2005 | | NAKINA |
| 2489 | FGLK | Finger Lakes Ry. Corp. | added 10/95; 7/2000 | | NRHS |
| 2490 | FGLK | Factor Gas Liquids Inc. | added 1/96; 7/2000 | | NRHS |
| 2491 | FGLK | FINGER LAKES RAILWAY CORP. | | | PWRC |
| 2492 | FGLK | Finger Lakes Railway | | | RSRV |
| 2493 | FGLK | FINGER LAKES RAILWAY CORP | | | SCAC4 |
| 2494 | FGLK | Finger Lakes | | USA | TRAFFIC |
| 2495 | FGLL | FITZGERALD LUMBER & LOG CO INC | | | SCAC4 |
| 2496 | FGLM | FERN GROUP LIMITED, THE | | | SCAC4 |
| 2497 | FGLQ | F & G LOGISTICA | | | SCAC4 |
| 2498 | FGLS | FREIGHT LAND SKY INC | | | SCAC3 |
| 2499 | FGLS | FREIGHT LOGISTICS INC | | | SCAC4 |
| 2500 | FGLT | FORSSELLS GREENHOUSE LTD | | | SCAC4 |
