| 1 | DTX | Deltex | Callsign: Deltex, | CZ | AVCODES |
| 2 | DTXA | DIESEL TRUX & PARTS | | | SCAC4 |
| 3 | DTXB | DIONNE TRANSPORT INC | | | SCAC4 |
| 4 | DTXC | DTL TRANSPORT | | | SCAC4 |
| 5 | DTXD | DONERITE TRANSPORTATION | | | SCAC4 |
| 6 | DTXE | DTS TRANSPORTATION COMPANY INC | | | SCAC4 |
| 7 | DTXF | D T L TRANSPORT INC | | | SCAC4 |
| 8 | DTXG | DTS TRANSPORT INC | | | SCAC4 |
| 9 | DTXJ | DOMESTIC TRANSPORT SOLUTIONS INC | | | SCAC4 |
| 10 | DTXK | DORSEY TRANSPORTATION INC | | | SCAC4 |
| 11 | DTXL | DTX, Dart Container Corporation of California | | | SCAC1 |
| 12 | DTXL | DTX INC | | | SCAC4 |
| 13 | DTXM | DINO TRANSPORT INC | | | SCAC4 |
| 14 | DTXN | DIESEL TRANSPORT INC | | | SCAC4 |
| 15 | DTXO | DECLUE TRANSPORT | | | SCAC4 |
| 16 | DTXQ | DIRECT-X | | | SCAC4 |
| 17 | DTXR | DELTA EXPRESS LLC | | | SCAC4 |
| 18 | DTXU | HARDING CONTAINERS INTERNATIONAL INC. | | USA | BIC |
| 19 | DTXW | DTX WORLD COMPANY | | | SCAC4 |
| 20 | DTXY | DIESEL TRANS SYSTEMS INC | | | SCAC4 |
