| 2401 | GGSL | G & G STEEL TRUCKING INC | | | SCAC4 |
| 2402 | GGSN | GLASER GAS INC | | | SCAC4 |
| 2403 | GGSO | GUTIERREZ GARZA, OSVALDO | | | SCAC4 |
| 2404 | GGSQ | GENESIS GLOBAL SOLUTIONS CORPORATIO | | | SCAC4 |
| 2405 | GGSR | GONZALEZ GARZA, SANTOS | | | SCAC4 |
| 2406 | GGSU | SEACOR ISLAND LINES, LLC | | USA | BIC |
| 2407 | GGSU | Seacor Island Lines | | | RSRV |
| 2408 | GGSU | G & G MARINE INC | | | SCAC4 |
| 2409 | GGT | Trans Island Airways Ltd. | Callsign: Thunderball, | BS | AVCODES |
| 2410 | GGT | Golden Gate Transit | | USA | TRAFFIC |
| 2411 | GGTA | G & G TRANSPORT | | | SCAC4 |
| 2412 | GGTD | GLIDER GUARD TOOL & DIE INC | | | SCAC4 |
| 2413 | GGTL | GUNES GEMICILIK VE TANKERCILIK AS | | | SCAC4 |
| 2414 | GGTM | GG TRUCKING INC | | | SCAC4 |
| 2415 | GGTN | GOLDEN GATE TRANSPORTATION | | | SCAC4 |
| 2416 | GGTQ | GG TRANSPORTATION | | | SCAC4 |
| 2417 | GGTR | GENIUS GROUP TRANSPORTATION INC | | | SCAC4 |
| 2418 | GGTR | Golden Gate Transit | | USA | TRAFFIC |
| 2419 | GGTS | GOLDEN GLOBE TRANSPORT INC | | | SCAC4 |
| 2420 | GGTT | GEORGIE TRANSPORT | | | SCAC4 |
| 2421 | GGTV | G & G TOWING | | | SCAC4 |
| 2422 | GGTW | G & G TRUCKING INC | | | SCAC4 |
| 2423 | GGTY | GRAY GHOST TRANSPORTATION | | | SCAC4 |
| 2424 | GGUC | G G TRUCKING | | | SCAC4 |
| 2425 | GGUI | GUANGYI GROU | | | SCAC4 |
| 2426 | GGUS | GMR ARGUS LLC | | | SCAC4 |
| 2427 | GGV | Houston Jet Services | | | ICAO1 |
| 2428 | GGW | Heli Training Vallee | Callsign: Helivallee, | I | AVCODES |
| 2429 | GGWT | GRAY, GARY W TRUCKING INC | | | SCAC4 |
| 2430 | GGXP | G & G EXPEDITE SERVICE | | | SCAC4 |
| 2431 | GGYC | GORGY RECYCLING COMPANY INC | | | SCAC4 |
| 2432 | GGYF | GREGORY FLORAL INC | | | SCAC4 |
| 2433 | GGYN | GREGORY, NICKEY COMPANY LLC | | | SCAC4 |
| 2434 | GGYR | GREGORY TRANSPORT INC | | | SCAC4 |
| 2435 | GGZ | Global Georgian Airways | | | ICAO1 |
| 2436 | GGZE | GONZALEZ GARZA EXPRESS SA DE CV | | | SCAC4 |
| 2437 | GH | Ghana Airways Corp. | ICAO: GHA, Callsign: Ghana, IATA Prefix: 237, Ceased operations | GH | AVCODES |
| 2438 | GH | Globus LLC | ICAO: GLP, Callsign: Globus, IATA Prefix: 674, Merged into S7 Airlines during December 2019. IATA designator changed from GB* | RUS | AVCODES |
| 2439 | GH | Galistair Trading Limited | ICAO: GTR, Callsign: Galister, | M | AVCODES |
| 2440 | GH | Georgian Airlines LLC d/b/a Aircompany Georgian Airlines | ICAO: IGT, Callsign: Sky Ika, IATA Prefix: 800, | GE | AVCODES |
| 2441 | GH&H | Galveston, Houston & Henderson R.R. (Co.) | 8/1920-10/1966 | | NAKINA |
| 2442 | GH&H | Galveston, Houston & Henderson R.R. | 4/38-10/66 | | NRHS |
| 2443 | GH&H | GALVESTON, HOUSTON & HENDERSON RAILROAD CO. | | | PWRC |
| 2444 | GHA | Ghana Airways Corp. | IATA: GH, Callsign: Ghana, IATA Prefix: 237, Ceased operations | GH | AVCODES |
| 2445 | GHA | Group Holdings Aviation, LLC | Callsign: Sutter, | USA | AVCODES |
| 2446 | GHA | Ghana Airways | IATA: GH | | ICAO1 |
| 2447 | GHAC | GAMBARDELLA, A HEATING & A C | | | SCAC4 |
| 2448 | GHAF | Ghana | | GH | TRAFFIC |
| 2449 | GHAG | GLIDER HAULING | | | SCAC4 |
| 2450 | GHAM | GRAHAM TRUCKING | | | SCAC4 |
| 2451 | GHAN | GRANADOS HAULING | | | SCAC4 |
| 2452 | GHAU | Greyhound Australia | | AUS | TRAFFIC |
| 2453 | GHB | Ghana International Airlines Ltd. | IATA: G0, IATA Prefix: 678, | GH | AVCODES |
| 2454 | GHB | Ghana International Airlines | IATA: G0 | | ICAO1 |
| 2455 | GHB | Göteborg - Hallands Järnväg | 1888 - 1896 | S | svenska-lok.se |
| 2456 | GHBS | GULACHA BROTHERS & SONS | | | SCAC4 |
| 2457 | GHBT | GLENDALE HUTTERIAN BRETHREN INC | | | SCAC4 |
| 2458 | GHBU | GRIEPE CONTAINER GMBH | | D | BIC |
| 2459 | GHBX | G. Helleman Brewing Co., Inc. | added 10/1983; eliminated 10/1989; 1/1994-7/2005 (not listed) | | NAKINA |
| 2460 | GHBX | G. Helleman Brewing Co., Inc. | added 10/83; eliminated 10/89; 1/94-7/2000 | | NRHS |
| 2461 | GHBX | G. HEILMAN BREWING CO.,INC. | | | PWRC |
| 2462 | GHBX | G. Heileman Brewing | | | RSRV |
| 2463 | GHBX | G.HEILEMAN BREWING CO.,INC. | | | SCAC4 |
| 2464 | GHBZ | G. HEILMAN BREWING CO.,INC. | | | PWRC |
| 2465 | GHCA | Greyhound Canada | | CDN | TRAFFIC |
| 2466 | GHCL | GRASSLAND HUTTERIAN BRETHREN INC | | | SCAC4 |
| 2467 | GHCS | GREAT HORN CARRIERS INC | | | SCAC4 |
| 2468 | GHCU | GHC GERLING, HOLZ&CO.GmbH | | D | BIC |
| 2469 | GHCW | GRIGOROUSSA SHIPPING CORPORATION | | | SCAC4 |
| 2470 | GHDV | GOLDEN STATE FREIGHT INC | | | SCAC4 |
| 2471 | GHEC | GREENHILL ENTERPRISES INC | | | SCAC4 |
| 2472 | GHER | GON-HERR | | | SCAC4 |
| 2473 | GHET | GREAT HOPE EXPRESS INC | | | SCAC4 |
| 2474 | GHF | Ghana Air Force | | GH | AVCODES |
| 2475 | GHFD | GH FOODS CA LLC | | | SCAC4 |
| 2476 | GHFL | G H FREIGHTLINES S DE RL DE CV | | | SCAC4 |
| 2477 | GHFO | GOODING HEATING FUEL OIL SERVICE IN | | | SCAC4 |
| 2478 | GHGO | GARCIA HERNANDEZ, GENARO | | | SCAC4 |
| 2479 | GHH | Galveston, Houston and Henderson R.R. Co. | 1/1975-1/1980; eliminated 4/1990 | | NAKINA |
| 2480 | GHH | Galveston, Houston and Henderson R.R. Co. | 1/75-1/80; eliminated 4/90 | | NRHS |
| 2481 | GHH | RETIRED 04-26-94 FXD [GALVESTON, HOUSTON & HENDERSON RR] | | | PWRC |
| 2482 | GHH | Galveston, Houston and Henderson Railroad | | | RSRV |
| 2483 | GHHD | GRAHAM LUMBER CO INC | | | SCAC4 |
| 2484 | GHHL | GIRARDIS HEAVY HAUL LLC | | | SCAC4 |
| 2485 | GHHO | GLOBAL INTERMODAL TRANSPORT | | | SCAC4 |
| 2486 | GHHT | GHH TRUCKING CO LTD | | | SCAC4 |
| 2487 | GHI | GH Stansted Limited | | GB | AVCODES |
| 2488 | GHI | GH Stansted Limited | | | ICAO1 |
| 2489 | GHIA | GREENHILL CONCRETE | | | SCAC4 |
| 2490 | GHIG | GOTTA HAVE IT GOLF | | | SCAC4 |
| 2491 | GHIX | GIFFORD HILL, INC. | | | PWRC |
| 2492 | GHJ | Gotlands Hesselby Jernväg | | SE | VKM |
| 2493 | GHJT | GUTIERREZ HERNANDEZ, JOSE ANTONIO | | | SCAC4 |
| 2494 | GHK | Vintage Wings Of Canada | Callsign: Golden Hawk, | CDN | AVCODES |
| 2495 | GHKC | GOODRICH TRUCKING LLC | | | SCAC4 |
| 2496 | GHKG | G & H TRUCKING | | | SCAC4 |
| 2497 | GHKN | GERHARDT TRUCKING | | | SCAC4 |
| 2498 | GHKT | GOLDEN HAWK TRANSPORTATION CO | | | SCAC4 |
| 2499 | GHL | Gatwick Handling Ltd, | Callsign: Handling, Non-airline Org. in airline industry | GB | AVCODES |
| 2500 | GHL | Guilin General Aviation Co., Ltd. | Callsign: Guilin Rotor, | PRC | AVCODES |
