| 1 | GAA | Business Express Airlines, Inc. | IATA: HQ, Callsign: Bizex, Ceased operations on 03 December 2000. Name changed from Atlantic Air | USA | AVCODES |
| 2 | GAA | Atlantic Air | Callsign: Atlantic Air, Name changed to Business Express | USA | AVCODES |
| 3 | GAA | Global Africa Cargo | IATA: Z5, Callsign: Global Africa, IATA Prefix: 204, | ZW | AVCODES |
| 4 | GAA | Business Express | | | ICAO1 |
| 5 | GAA | Business Express Airlines | | USA | TRAFFIC |
| 6 | GAAB | Georgia & Alabama Division, South Carolina Central R.R. Co., Inc. | added 10/1989; 1/1994; eliminated 7/1997; 7/2000 | | NAKINA |
| 7 | GAAB | Georgia & Alabama Division, South Carolina Central R.R. Co., Inc. | added 10/89; 1/94; eliminated 7/97; 7/2000 | | NRHS |
| 8 | GAAB | (SCRF) SOUTH CAROLINA CENTRAL RR-GEORGIA & ALABAMA DIV. | | | PWRC |
| 9 | GAAB | South Carolina Central Railroad Georgia and Alabama Division | | | RSRV |
| 10 | GAAG | GARAGA INC | | | SCAC4 |
| 11 | GAAJ | GOMEZ AGUIRRE, ALEJANDRO | | | SCAC4 |
| 12 | GAAL | GEER, ALLAN TRUCKING LLC | | | SCAC4 |
| 13 | GAAL | Gaal S.p.A. | | IT | VKM |
| 14 | GAAM | GARNICA TRANSPORTATION INC | | | SCAC4 |
| 15 | GAAN | GARBER AGFREIGHT INC | | | SCAC4 |
| 16 | GAAP | GRACE TRANSPORTATION LLC | | | SCAC4 |
| 17 | GAAQ | G & A TRANSPORT | | | SCAC4 |
| 18 | GAAU | GUJARAT ALKALIES AND CHEMICALS LIMITED | | IND | BIC |
