| 1 | TOA | Tropical Airlines Ltd. | Callsign: Tropical Airlines, | JA | AVCODES |
| 2 | TOA | Helicopter Services Ltd. | Callsign: Topcat, | GB | AVCODES |
| 3 | TOAA | TR TRUCKING INC | | | SCAC4 |
| 4 | TOAC | TRANSPORT AC ENTREGISTRE | | | SCAC4 |
| 5 | TOAE | TRANSPORTES OA | | | SCAC4 |
| 6 | TOAG | TRANSPORTES ARREOLA | | | SCAC4 |
| 7 | TOAH | TRANSPORTES OA | | | SCAC4 |
| 8 | TOAK | THREE (3) OF A KIND XPRESS INC | | | SCAC4 |
| 9 | TOAL | TORRES ALONSO, RAFAEL | | | SCAC4 |
| 10 | TOAO | TOMLINSONS SIGNS INC | | | SCAC4 |
| 11 | TOAP | TRANSPORTES ARRIAGA | | | SCAC4 |
| 12 | TOAQ | TRANSPORTES AQUA | | | SCAC4 |
| 13 | TOAR | TORRES TRUCKING | | | SCAC4 |
| 14 | TOAS | TONYS SONS MOVING & STORAGE | | | SCAC4 |
| 15 | TOAU | TOAGOSEI CO., LTD. | | J | BIC |
| 16 | TOAU | TOLYATTYAZOT LTD | | | SCAC4 |
| 17 | TOAV | TWO ONE TWO FIVE SIX SIX TWO (21256 | | | SCAC4 |
| 18 | TOAX | TTX COMPANY | | | SCAC4 |
| 19 | TOAY | TWO ONE THREE FOUR NINE SIX SEVEN ( | | | SCAC4 |
