| 1 | GG | Air Holland Charter BV | ICAO: AHR, Callsign: Orange, Commenced operations on 20 December 1991. Ceased operations on 25 March 2004. | NL | AVCODES |
| 2 | GG | Air Guyane SP. | ICAO: GUY, Callsign: Air Guyane, ICAO callsign changed to Green Bird. IATA designator changed from GG* | GF | AVCODES |
| 3 | GG | Air London (Executive Travel) Ltd. | Callsign: Air London, | GB | AVCODES |
| 4 | GG | Air Guyane SP. | ICAO: GUY, IATA designator changed to GG | GF | AVCODES |
| 5 | GG | Air London | ICAO: ACG, Callsign: Air London, Name changed to Air London International Plc | GB | AVCODES |
| 6 | GG | Air Guyane SP. | ICAO: GUY, Callsign: Green Bird, ICAO callsign changed from Air Guyane. IATA designator changed from GG* | GF | AVCODES |
| 7 | GG | Air Comores International | | COM | AVCODES |
| 8 | GG | Cargo 360 Inc | ICAO: GGC, Founded in 2005. Merged into Southern Air during January 2008 | USA | AVCODES |
| 9 | GG | Sky Lease I, Inc. t/a Sky Lease Cargo | ICAO: KYE, Callsign: Sky Cube, IATA Prefix: 576, Name changed from Tradewinds Airlines, Inc. ICAO designator changed from TDX. | USA | AVCODES |
| 10 | GGA | First Flying Squadron, Inc. | Callsign: Jawja, | USA | AVCODES |
| 11 | GGA | First Flying Squadron | | | ICAO1 |
| 12 | GGAA | GALLUP, GAILE | | | SCAC4 |
| 13 | GGAB | GOGANS AUTOBODY & REPAIR INC | | | SCAC4 |
| 14 | GGAJ | GARCIA GARCIA, JESUS | | | SCAC4 |
| 15 | GGAM | GREINERS GREEN ACRES FARMS INC | | | SCAC4 |
| 16 | GGAN | GOLDEN GRAIN INC | | | SCAC4 |
| 17 | GGB | Aircompany "Global Air" Ltd. | IATA: 5G, Callsign: Globalair, IATA Prefix: 166, Designator 5G* recalled by IATA. | GE | AVCODES |
| 18 | GGB | Gornergratbahn | | CH | TRAFFIC |
| 19 | GGB | Gornergrat-Monte Rosa-Bahnenbahn | | CH | VKM |
| 20 | GGBD | GATCOMB GRANT BUILDING OIL DIVISION | | | SCAC4 |
| 21 | GGBL | GREAT GLOBAL (ASIA) LIMITED | | | SCAC4 |
| 22 | GGBT | GEORGIAN BAY TRANSPORT INC | | | SCAC4 |
| 23 | GGBU | GLOBUS GROUP BV | | NL | BIC |
| 24 | GGC | Cargo 360 Inc | IATA: GG, Founded in 2005. Merged into Southern Air during January 2008 | USA | AVCODES |
| 25 | GGC | Cargo 360 | IATA: GG | | ICAO1 |
| 26 | GGCA | GENERAL GAS CARRIER CORPORATION IV | | | SCAC4 |
| 27 | GGCB | GENERAL GAS CARRIER CORPORATION X L | | | SCAC4 |
| 28 | GGCD | GENERAL GAS CARRIER CORPORATION XI | | | SCAC4 |
| 29 | GGCE | GENERAL GAS CARRIER CORPORATION IX | | | SCAC4 |
| 30 | GGCF | GENERAL GAS CARRIER CORPORATION XII | | | SCAC4 |
| 31 | GGCH | GARCIA GARCIA, HECTOR | | | SCAC4 |
| 32 | GGCI | GOGGIN WAREHOUSING LLC | | | SCAC4 |
| 33 | GGCJ | GO GREEN CARGO INC | | | SCAC4 |
| 34 | GGCK | GARCIA GENERAL CONTRACTING INC | | | SCAC4 |
| 35 | GGCM | GENERAL GAS CARRIER CORPORATION VII | | | SCAC4 |
| 36 | GGCN | GROSS LOGGING | | | SCAC4 |
| 37 | GGCQ | GARCIA GAECIA, CARLOS GUADALUPE | | | SCAC4 |
| 38 | GGCU | CARGOSHELL BV | | NL | BIC |
| 39 | GGCV | G & G CARGO SERVICE INC | | | SCAC4 |
| 40 | GGCX | Georgia Gulf Corp.—Plaquemine Division | added 7/1988; 1/1994-7/2005 | | NAKINA |
| 41 | GGCX | Continental Tank Car Corp. | added 1/1979; 1/1980; eliminated 1/1981 | | NAKINA |
| 42 | GGCX | Suburban Fuel Tank Car Co. | added 1/1960; 4/1961-1/1975; eliminated 1/1979 | | NAKINA |
| 43 | GGCX | Suburban Fuel Tank Car Co. | added 1/60; 4/61-1/75; eliminated 1/79 | | NRHS |
| 44 | GGCX | Continental Tank Car Corp. | added 1/79; 1/80; eliminated 1/81 | | NRHS |
| 45 | GGCX | Georgia Gulf Corp.-Plaquemine Division | added 7/88; 1/94-7/2000 | | NRHS |
| 46 | GGCX | *CONTINENTAL TANK CAR CORP. [SUBURBAN FUEL TANK CAR CO.] | | | PWRC |
| 47 | GGCX | +GEORGIA GULF CORPORATION - PLAQUEMINE DIVISION | | | PWRC |
| 48 | GGCX | Georgia Gulf Corporation (Plaquemine Division) | | | RSRV |
| 49 | GGCX | GEORGIA GULF CORPORATION-PLAQUEMINE | | | SCAC4 |
| 50 | GGCY | GCE - GOLD COINS EXPRESS TRUCKING L | | | SCAC4 |
| 51 | GGCZ | GRAHAM GRAIN COMPANY | | | PWRC |
| 52 | GGDA | GINGRAS, DANIEL | | | SCAC4 |
| 53 | GGDI | GRANDWIN LOGISTICS INC | | | SCAC4 |
| 54 | GGDN | GERA GARDENS INC | | | SCAC4 |
| 55 | GGE | Gobierno de la Republica de Guinea Ecuatorial | Callsign: Ecuato Guinea, | GQ | AVCODES |
| 56 | GGE | Ecuato Guineana de Aviación | IATA: 8Y, Callsign: Ecuato Guinea, | GQ | AVCODES |
| 57 | GGE | Gobierno De Guinea Ecuatorial | | | ICAO1 |
| 58 | GGEA | GARZA GONZALEZ, ENRIQUE | | | SCAC4 |
| 59 | GGEC | GOTTA GO EXPRESS COACHES | | | SCAC4 |
| 60 | GGEI | G & G EXPRESS INC | | | SCAC4 |
| 61 | GGEN | GISH, GENE | | | SCAC4 |
| 62 | GGEO | GREEN, GEORGE H OIL CO | | | SCAC4 |
| 63 | GGEQ | GG EXPRESS INC | | | SCAC4 |
| 64 | GGER | GINGERICH INC | | | SCAC4 |
| 65 | GGES | GD & G LLC | | | SCAC4 |
| 66 | GGET | GODDING ENTERPRISES LTD | | | SCAC4 |
| 67 | GGEU | GESAN GRUPOS ELECTROGENOS | | E | BIC |
| 68 | GGEW | GRENAS TRUCKING | | | SCAC4 |
| 69 | GGF | Georgian Cargo Airlines Africa S.A. | Callsign: Georgian Africa, | SN | AVCODES |
| 70 | GGF | Georgian Cargo Airlines Africa | | | ICAO1 |
| 71 | GGFC | G & G FUEL CO INC | | | SCAC4 |
| 72 | GGFD | GERVAIS GRAIN FARMS LTD | | | SCAC4 |
| 73 | GGFF | GOLDEN GATE AIR FREIGHT | | | SCAC4 |
| 74 | GGFM | G & G FARMS INC | | | SCAC4 |
| 75 | GGFR | G & G FARM SERVICE INC | | | SCAC4 |
| 76 | GGG | Air Cargo Georgia | Callsign: Geocargo, | GE | AVCODES |
| 77 | GGG | South-East European Airlines | IATA: G2, | GE | AVCODES |
| 78 | GGG | Genesis Global Aviation Ltd | Callsign: Genesis, | WAN | AVCODES |
| 79 | GGGD | GARZA GUZMAN, GERMAN GERARDO | | | SCAC4 |
| 80 | GGGP | GET/GET GROUP | | | SCAC4 |
| 81 | GGGQ | GREGG EXPRESS, INC | | | SCAC1 |
| 82 | GGGQ | GREGG EXPRESS INC | | | SCAC4 |
| 83 | GGGS | GREGG, STEVE | | | SCAC4 |
| 84 | GGGU | GLOBAL GASES | | UAE | BIC |
| 85 | GGGU | GLOBAL GASES | | | SCAC4 |
| 86 | GGHN | GAUGHAN, DAVID PLUMBING & HEATING I | | | SCAC4 |
| 87 | GGHO | GREEN, GEORGE H OIL CO | | | SCAC4 |
| 88 | GGHT | GOODNIGHT INTERNATIONAL INC | | | SCAC4 |
| 89 | GGIC | GIBBONS GROUP INC | | | SCAC4 |
| 90 | GGID | GOTTA GET IT LOGISTICS INC | | | SCAC4 |
| 91 | GGIK | GEORGIA TRUCKING AND LOGISTICS CORP | | | SCAC4 |
| 92 | GGIL | GARCIA GIL, ELFEGO ROSENDO | | | SCAC4 |
| 93 | GGIN | G & G INTERNATIONAL INC | | | SCAC4 |
| 94 | GGIO | GOTTA GET IT TRANSPORTATION | | | SCAC4 |
| 95 | GGIT | GARIBALDI GLASS INDUSTRIES INC | | | SCAC4 |
| 96 | GGIU | INTERNATIONAL GOLDEN GROUP PJSC | | UAE | BIC |
| 97 | GGIX | Garvey International Inc., Garvey Grain Division | 7/2000-7/2005; eliminated 1/2008 | | NAKINA |
| 98 | GGIX | Garvey International Inc. | added 7/1996 | | NAKINA |
| 99 | GGIX | Interail, Inc. | added 7/1995; eliminated 7/1996 | | NAKINA |
| 100 | GGIX | Garvey International Inc., Garvey Grain Division | added 7/1976; 1/1980-1/1994; eliminated 7/1995 | | NAKINA |
