| 1 | GNR | Gambia International Airlines Ltd. | IATA: GC, Callsign: Gambia International, IATA Prefix: 034, Designator GC reinstated by IATA. Ceased opeation in 2007. IATA deignator changed from GC* | WAG | AVCODES |
| 2 | GNR | Gambia International Airlines Ltd. | IATA: GC, Callsign: Gambia International, IATA deignator changed to GC | WAG | AVCODES |
| 3 | GNR | Gambia International Airlines | IATA: GC | | ICAO1 |
| 4 | GNR | Great Northern Railway | | AUS | TRAFFIC |
| 5 | GNRB | GENGLER, ROBERT | | | SCAC4 |
| 6 | GNRC | GREEN RIVER CHEESE CO | | | SCAC4 |
| 7 | GNRG | G & R G INC | | | SCAC4 |
| 8 | GNRH | GREEN, RICHARD I INC | | | SCAC4 |
| 9 | GNRI | G & R INTERNATIONAL | | | SCAC4 |
| 10 | GNRJ | GOODSON, ROGER TRUCKING | | | SCAC4 |
| 11 | GNRL | GENERAL LOGISTICS INC | | | SCAC4 |
| 12 | GNRO | G & R CONTRACTING LTD | | | SCAC4 |
| 13 | GNRQ | GLENERY, INC | | | SCAC1 |
| 14 | GNRQ | GLENERY INC | | | SCAC4 |
| 15 | GNRR | Georgia Northeastern R.R. Co., Inc. | added 7/1988; 1/1994-7/2005 | | NAKINA |
| 16 | GNRR | Georgia Northeastern R.R. Co., Inc. | added 7/88; 1/94-7/2000 | | NRHS |
| 17 | GNRR | GEORGIA NORTHEASTERN RAILROAD COMPANY | | | PWRC |
| 18 | GNRR | Georgia Northeastern Railroad | | | RSRV |
| 19 | GNRR | GEORGIA NORTHEASTERN RAILROAD CO | | | SCAC4 |
| 20 | GNRS | GRONER, STANLEY | | | SCAC4 |
| 21 | GNRS | Great Northern Rail Services | GNRS is now known as Southern Shorthaul Railroad | AUS | TRAFFIC |
| 22 | GNRS | Gemernákup, a.s. | | SK | VKM |
| 23 | GNRU | GENERON IGS, INC. | | USA | BIC |
