| 1 | JEF | Jetflite Oy | Callsign: Jetflite, | FIN | AVCODES |
| 2 | JEF | Jetflite | | | ICAO1 |
| 3 | JEFB | JEFFRIES BROS INC | | | SCAC4 |
| 4 | JEFF | JEFFORDS STEEL & ENGINEERING CO | | | SCAC4 |
| 5 | JEFFTRAN | City of Jefferson's Transit Division | City: Jefferson (MO) | USA | TRAFFIC |
| 6 | JEFK | JEFRIK ENTERPRISES INC | | | SCAC4 |
| 7 | JEFP | JEFFERSON PARK CARTAGE | | | SCAC1 |
| 8 | JEFS | JEFFS OIL INC | | | SCAC4 |
| 9 | JEFV | JUST EXPRESS FREIGHT TRANSPORT SERV | | | SCAC4 |
| 10 | JEFW | Jefferson Warrior R.R. Co., Inc. | added 7/1985; added 10/1985; 1/1994-7/2005 | | NAKINA |
| 11 | JEFW | Jefferson Warrior R.R. Co., Inc. | 1/94-7/2000 | | NRHS |
| 12 | JEFW | JEFFERSON WARRIOR RAILROAD CO., INC. | | | PWRC |
| 13 | JEFW | Jefferson Warrior Railroad | | | RSRV |
| 14 | JEFY | JEFFERSON CITY OIL CO INC | | | SCAC4 |
