| 1 | JTB | Fly Dom N.V. d/b/a Jet Budget | | NA | AVCODES |
| 2 | JTBC | JACOBSON TRANSPORTATION COMPANY (CI | | | SCAC4 |
| 3 | JTBF | JCHG TRANSPORT | | | SCAC4 |
| 4 | JTBI | J T B TRUCKING INC | | | SCAC4 |
| 5 | JTBL | JERRYS TRUCKING | | | SCAC4 |
| 6 | JTBO | JULIO'S TRANSPORT | | | SCAC4 |
| 7 | JTBP | JM TRUCKING | | | SCAC4 |
| 8 | JTBR | JESSES TRANSPORTING LLC | | | SCAC4 |
| 9 | JTBS | JAGUAR TRUCKING LLC | | | SCAC4 |
| 10 | JTBV | JO TANKERS AS | | | SCAC4 |
| 11 | JTBW | JETBLUE AIRWAYS | | | SCAC4 |
| 12 | JTBX | J.T. Baker Chemical Co., Taylor Chemical Division | 4/1947-10/1966; eliminated 4/1969 | | NAKINA |
| 13 | JTBX | J.T. Baker Chemical Co., Taylor Chemical Division | 1/52-10/66; eliminated 4/69 | | NRHS |
| 14 | JTBX | J. T. BAKER CO., TAYLOR CHEMICAL DIV. | | | PWRC |
| 15 | JTBX | BAKER CHEMICAL CO J T TAYLOR DIV | | | SCAC3 |
