| 1 | JTF | Jet Time Oy | Callsign: Jetfin, | FIN | AVCODES |
| 2 | JTFA | JAMES TWENTY FOUR (24) HOUR ROAD SE | | | SCAC4 |
| 3 | JTFS | JUNIATA TERMINAL COMPANY, INC. | | | PWRC |
| 4 | JTFS | JENKINS TRANSFER & STORAGE INC | | | SCAC4 |
| 5 | JTFX | Joseph Leasing Ltd. | added 1/2003; 7/2005; eliminated 1/2006 | | NAKINA |
| 6 | JTFX | JOSEPH LEASING, LTD. | | | PWRC |
| 7 | JTFX | Joseph Leasing | | | RSRV |
