| 1 | JST | Japan Universal System Transport Co., Ltd. | Callsign: J-Star, | J | AVCODES |
| 2 | JST | Jetstar Airways Pty Limited d/b/a Impulse Airlines | IATA: JQ, Callsign: Jetstar, Name changed to Jetstar Airways Pty Limited. Low costs subsidary of Qantas | AUS | AVCODES |
| 3 | JST | Jetstar Airways Pty Limited | IATA: JQ, Callsign: Jetstar, Name changed from Jetstar Airways Pty Limited d/b/a Impulse Airlines. Low costs subsidary of Qantas | AUS | AVCODES |
| 4 | JST | Jetstar Airways | IATA: JQ | | ICAO1 |
| 5 | JST | Jetstar Airways | | AUS | TRAFFIC |
| 6 | JSTA | J & S TRANSCO INC | | | SCAC4 |
| 7 | JSTC | J & S TRUCKING | | | SCAC4 |
| 8 | JSTE | JASA TRANSPORTATION SERVICES | | | SCAC4 |
| 9 | JSTG | J & S CENTRAL TRUCKING INC | | | SCAC4 |
| 10 | JSTI | J & S TRUCKLINE | | | SCAC4 |
| 11 | JSTL | JST LLC | | | SCAC4 |
| 12 | JSTM | JUST-N-TIME EXPRESS | | | SCAC4 |
| 13 | JSTT | JOHNSTON TRANSPORTATION INC | | | SCAC4 |
| 14 | JSTU | JINSHENG CONTAINER PTE. LTD. | | SGP | BIC |
| 15 | JSTV | J S TRANSPORT | | | SCAC4 |
| 16 | JSTY | JST SYSTEMS INC | | | SCAC4 |
