| 1 | GER | German European Airlines | Callsign: German Wings, | D | AVCODES |
| 2 | GER | Guernsey Airlines Ltd. | IATA: HW, Callsign: Guernsey, IATA designator changed to GE. Wholly-owned subsidary of Alidair | GB | AVCODES |
| 3 | GER | Guernsey Airlines Ltd. | IATA: GE, IATA designator changed from HW. Merged into Air Europe Express 29 October 1989. | GB | AVCODES |
| 4 | GER | Eagle Aviation GmbH | Callsign: German Eagle, | D | AVCODES |
| 5 | GER | German Airways GmbH & Co.KG | IATA: ZQ, Callsign: German Eagle, IATA Prefix: 944, | D | AVCODES |
| 6 | GER | G. E. ROSENBERGER CO. | | | PWRC |
| 7 | GER | Great Eastern Railway | | GB | TRAFFIC |
| 8 | GER | First Great Eastern | | UK | VKM |
| 9 | GERA | GERAS TRUCKING | | | SCAC4 |
| 10 | GERA | | City: Gera | D | TRAFFIC |
| 11 | GERB | GERBER DISTRIBUTORS LTD | | | SCAC4 |
| 12 | GERC | GERSTNER OIL CO INC | | | SCAC4 |
| 13 | GERE | GEORGETOWN RV | | | SCAC4 |
| 14 | GERF | GERLACH, F C & CO INC | | | SCAC4 |
| 15 | GERG | GERARDO TRUCKING | | | SCAC4 |
| 16 | GERH | GERHARDT TRUCKING INC | | | SCAC4 |
| 17 | GERI | GENEVA REFRIGERATED TRUCK SERVICE | | | SCAC4 |
| 18 | GERJ | GABRIEL ENERGY AND RENEWABLES | | | SCAC4 |
| 19 | GERK | GERRYS TRUCKING CO INC | | | SCAC4 |
| 20 | GERO | GEROME TRUCKING | | | SCAC4 |
| 21 | GERR | GERBER INC | | | SCAC4 |
| 22 | GERR | Kraftverkehr H. Gerresheim GmbH | | D | TRAFFIC |
| 23 | GERS | General Electric Rail Services | | EU | TRAFFIC |
| 24 | GERS | GE Capital Rail Services GmbH & Co.KG | | DE | VKM |
| 25 | GERT | GREER TRANSPORTATION INC | | | SCAC4 |
| 26 | GERU | GEORGIAN RAILWAY LLC | | GE | BIC |
| 27 | GERU | GEORGIAN RAILWAY DPT | | | SCAC4 |
| 28 | GERW | GERAGHTY, WILLIAM P | | | SCAC4 |
| 29 | GERX | Gershow Recycling Corp. | 7/2005 (not listed) | | NAKINA |
| 30 | GERX | GERSHOW RECYCLING CORP. | | | PWRC |
| 31 | GERX | GERSHOW RECYCLING CORPORATION | | | SCAC4 |
| 32 | GERY | Georgia Eastern R.R. Co. | added 7/1987; eliminated 10/1988 | | NAKINA |
| 33 | GERY | Georgia Eastern R.R. Co. | added 7/87; eliminated 10/88 | | NRHS |
| 34 | GERY | GEORGIA EASTERN RAILROAD CO. | | | PWRC |
