| 1 | GAL | Galaxy Air | IATA: 7O, Callsign: Galaxy, | KS | AVCODES |
| 2 | GAL | Gemini Airlines Ltd. | IATA: GP, Callsign: Golf Papa, Designator GP recalled by IATA | GH | AVCODES |
| 3 | GAL | Allanza Glancelot C.A. | IATA: G2, Callsign: Errante, Designator G2* recalled by IATA | YV | AVCODES |
| 4 | GAL | Allanza Glancelot C.A. | IATA: G0, Callsign: Errante, IATA Prefix: 261, Designator G2* recalled by IATA | YV | AVCODES |
| 5 | GAL | Galaxy Air | IATA: 7O | | ICAO1 |
| 6 | GAL | GIDEON-ANDERSON LUMBE | | | PWRC |
| 7 | GAL | GRAY LINE OF ATLANTA (ATLANTA TRANS | | | SCAC4 |
| 8 | GALA | GARCIA ALVARADO, LUIS ALBERTO | | | SCAC4 |
| 9 | GALB | GALBUSIERI, MIKE TRUCKING INC | | | SCAC4 |
| 10 | GALD | GALINDO TRANSPORTS INC | | | SCAC4 |
| 11 | GALE | GALE TRANSFER INC | | | SCAC4 |
| 12 | GALF | GLOBAL AMERICAN LINE | | | SCAC4 |
| 13 | GALG | G A LOGISTIQUE | | | SCAC4 |
| 14 | GALH | GALA FREIGHT SERVICES | | | SCAC4 |
| 15 | GALI | GALIB TRUCKING CO LTD | | | SCAC4 |
| 16 | GALK | GRAND AVENUE LIMOUSINE LLC | | | SCAC4 |
| 17 | GALL | GLOBAL ATLANTIC LOGISTICS LLC | | | SCAC4 |
| 18 | GALL | Galleon Travel | | GB | TRAFFIC |
| 19 | GALLOP | Gallop Bus Lines | | USA | TRAFFIC |
| 20 | GALM | GALLO, TOM INC | | | SCAC4 |
| 21 | GALO | GALASSO TRUCKING INC | | | SCAC4 |
| 22 | GALU | GALCO NV | | B | BIC |
| 23 | GALU | SOCIETE GALEX | | | SCAC4 |
| 24 | GALV | GALVESTON TERMINAL | | | PWRC |
| 25 | GALW | GALEANA TRUCKING COMPANY INCORPORAT | | | SCAC4 |
| 26 | GALX | Falley Corp. | added 4/1969; eliminated 7/1969 | | NAKINA |
| 27 | GALX | Georgia Power Co. | added 4/1986; 1/1994-7/2005 | | NAKINA |
| 28 | GALX | Falley Petroleum Co. | added 1/1969; eliminated 4/1969 | | NAKINA |
| 29 | GALX | Gas Liquids, Inc. | added 10/1960; 4/1961-10/1966; eliminated 1/1969 | | NAKINA |
| 30 | GALX | Gas Liquids, Inc. | added 10/60; 4/61-10/66; eliminated 1/69 | | NRHS |
| 31 | GALX | Falley Petroleum Co. | added 1/69; eliminated 4/69 | | NRHS |
| 32 | GALX | Falley Corp. | added 4/69; eliminated 7/69 | | NRHS |
| 33 | GALX | Georgia Power Co. | added 4/86; 1/94-7/2000 | | NRHS |
| 34 | GALX | *FALLEY CORP. [FALLEY PETROLEUM CO.; GAS LIQUIDS, INC.] | | | PWRC |
| 35 | GALX | +GEORGIA POWER COMPANY | | | PWRC |
| 36 | GALX | Georgia Power | | | RSRV |
| 37 | GALX | GEORGIA POWER COMPANY | | | SCAC4 |
| 38 | GALY | GALYEN TRANSPORTATION INC | | | SCAC4 |
