| 1 | GNB | Global Air Link | Callsign: Global AirlinK, | WAN | AVCODES |
| 2 | GNBC | Grainbelt Corp. | added 4/1988; 1/1994-7/2005 | | NAKINA |
| 3 | GNBC | Grainbelt Corp. | added 4/88; 1/94-7/2000 | | NRHS |
| 4 | GNBC | GRAINBELT CORPORATION (FARMRAIL) | | | PWRC |
| 5 | GNBC | Grainbelt Corporation (Farmrail) | | | RSRV |
| 6 | GNBC | GRAINBELT CORPORATION | | | SCAC4 |
| 7 | GNBE | GONZALEZ TRUCKING | | | SCAC4 |
| 8 | GNBH | GREENBUSH SERVICE CO | | | SCAC4 |
| 9 | GNBI | GRAYMONT (NB) INC | | | SCAC4 |
| 10 | GNBO | GONZALEZ BRAVO, FRANCISCO | | | SCAC4 |
| 11 | GNBQ | GANDIN BROS INC | | | SCAC4 |
