| 1 | GEX | Trans Gulf Express F.Z.C. | IATA: GV, Callsign: Glufexpress, Desigantor GV* recalled by IATA | UAE | AVCODES |
| 2 | GEX | Aero Expedition LLC | Callsign: Aero Georgia, | GE | AVCODES |
| 3 | GEX | General Electric Co. | 8/1920-7/2005; eliminated 7/2006 | | NAKINA |
| 4 | GEX | General Electric Co. | 4/38-7/2000 | | NRHS |
| 5 | GEX | GENERAL ELECTRIC CO | | | PWRC |
| 6 | GEX | General Electric | | | RSRV |
| 7 | GEX | GENERAL ELECTRIC COMPANY | | | SCAC4 |
| 8 | GEXC | GOPHER EXPRESS COURIER SERVICE INC | | | SCAC4 |
| 9 | GEXD | GENERAL EXPRESS DIVISION (DIV OF AR | | | SCAC4 |
| 10 | GEXF | GLOBAL EXPRESS | | | SCAC4 |
| 11 | GEXG | GRAYSTONE EXPRESS | | | SCAC4 |
| 12 | GEXH | GADDYS EXPRESS | | | SCAC4 |
| 13 | GEXI | GOLDFISH EXPRESS INC | | | SCAC4 |
| 14 | GEXL | GILL, R S EXPRESS LTD | | | SCAC4 |
| 15 | GEXN | GILBERTO EXPRESS | | | SCAC4 |
| 16 | GEXO | GO EXPRESS | | | SCAC4 |
| 17 | GEXP | GROUP EXPRESS (GROUPEX) INC | | | SCAC4 |
| 18 | GEXR | Goderich-Exeter Ry. Co., Ltd. | 1/1994 (not listed); added 10/1998; 7/2000; eliminated 4/2003; 7/2005 | | NAKINA |
| 19 | GEXR | Goderich-Exeter Ry. Co., Ltd. | 1/94; added 10/98; 7/2000 | | NRHS |
| 20 | GEXR | GODERICH-EXETER RAILWAY COMPANY LTD (RAILAMERICA) | | | PWRC |
| 21 | GEXR | Goderich-Exeter Railway (Genesee & Wyoming) | | | RSRV |
| 22 | GEXR | GODERICH-EXETER RAILWAY COMPANY LTD | | | SCAC4 |
| 23 | GEXS | GENERAL EXPRESSWAYS INC | | | PWRC |
| 24 | GEXT | GALACTIC EXPRESS | | | SCAC4 |
