| 1 | TXS | Texas Airlines, Inc. | Callsign: Texair, | USA | AVCODES |
| 2 | TXS | Texas Airlines, Inc. | Callsign: Texair, ICAO designator changed from TXA. ICAO Callsign changed from Okay Air. Name changed from Texair Charter, Inc. | USA | AVCODES |
| 3 | TXS | Texas Airlines | | | ICAO1 |
| 4 | TXSA | TRANSPORTES SALE | | | SCAC4 |
| 5 | TXSC | TRANSPORT SPECIALTIES INC | | | SCAC4 |
| 6 | TXSD | TRANSFEVISA SA DE CV | | | SCAC4 |
| 7 | TXSE | TEXAS STAR EXPRESS | | | SCAC4 |
| 8 | TXSF | TEXAS TRANSLOADERS INC | | | SCAC4 |
| 9 | TXSG | TRANSPORTATION SOLUTIONS INC | | | SCAC4 |
| 10 | TXSI | TWO XS (2XS) INC | | | SCAC4 |
| 11 | TXSK | TEXAS STAR EXPRESS | | | SCAC4 |
| 12 | TXSL | TIERA EXPRESS LLC | | | SCAC4 |
| 13 | TXSO | THREE SIX ZERO (360) | | | SCAC4 |
| 14 | TXSQ | TLCAN EXPRESS | | | SCAC4 |
| 15 | TXST | TRANSPORT STEPHANE LACHAINE | | | SCAC4 |
| 16 | TXSV | TRANSPORTES CAEL SA DE CV | | | SCAC4 |
| 17 | TXSW | TRANSPORT SOLUTIONS INC | | | SCAC4 |
| 18 | TXSY | TRANSPORT SANGHA | | | SCAC4 |
