| 1 | GSJ | Grossmann Jet Service s.r.o. | Callsign: Grossmann, Name changed to G-Jet s.r.o. | CZ | AVCODES |
| 2 | GSJ | G-Jet s.r.o. | Callsign: Grossjet, Name changed from Grossmann Jet Service s.r.o. | CZ | AVCODES |
| 3 | GSJ | Grossmann Jet Service | | | ICAO1 |
| 4 | GSJ | Göteborg - Särö Järnväg | 1903 - 1965 | S | svenska-lok.se |
| 5 | GSJ | | | S | TRAFFIC |
| 6 | GSJB | GEIST, J B INC | | | SCAC4 |
| 7 | GSJM | GALAVIZ SANCHEZ, JESUS MANUEL | | | SCAC4 |
| 8 | GSJN | G S J | | | SCAC4 |
| 9 | GSJR | GONZALEZ, SAUL JR | | | SCAC4 |
