| 1 | TPT | Transportes Transpenta Ltda. | Callsign: Transpenta, | RCH | AVCODES |
| 2 | TPT | Transportes Aereo del Sureste | | | ICAO1 |
| 3 | TPT | Trenton-Princeton Traction Co. | 1/1975 | | NAKINA |
| 4 | TPT | Consolidated Rail Corp. | 1/1980 | | NAKINA |
| 5 | TPT | Trenton-Princeton Traction Co. | Jan-75 | | NRHS |
| 6 | TPT | Consolidated Rail Corp. | Jan-80 | | NRHS |
| 7 | TPT | *TRENTON-PRINCETON TRACTION CO. | | | PWRC |
| 8 | TPT | *CONSOLIDATED RAIL CORP. | | | PWRC |
| 9 | TPT | Conrail | | | RSRV |
| 10 | TPTA | TRIPLE T TRANSPORT INC | | | SCAC4 |
| 11 | TPTC | TRANSPORTES EXPRESSO | | | SCAC4 |
| 12 | TPTD | TURNING POINT TRANSPORTATION SOLUTI | | | SCAC4 |
| 13 | TPTF | TRANSPORT TFI 16 S E C | | | SCAC4 |
| 14 | TPTG | TRANSPORTES GARZA | | | SCAC4 |
| 15 | TPTH | TWIN POWER TRANSPORT | | | SCAC4 |
| 16 | TPTI | TRIANGLE PETROLEUM TRANSPORT INC | | | SCAC4 |
| 17 | TPTK | TAMPA TANK LINES | | | SCAC4 |
| 18 | TPTO | T P T SYSTEMS INC | | | SCAC4 |
| 19 | TPTP | TAPIA, J TRASNPORT | | | SCAC4 |
| 20 | TPTS | TRANSPORTES USA-MEX | | | SCAC4 |
| 21 | TPTT | TRIPAR TRANSPORTATION INC | | | SCAC1 |
| 22 | TPTT | TRIPAR TRANSPORTATION GP INC | | | SCAC4 |
| 23 | TPTU | EXSIF WORLDWIDE | | USA | BIC |
| 24 | TPTU | Exsif Worldwide | | | RSRV |
| 25 | TPTU | EXSIF WORLDWIDE | | | SCAC4 |
| 26 | TPTV | TRUPOINTE TRANSPORTATION INC | | | SCAC4 |
| 27 | TPTX | Trailer Train Co. | added 10/1980; eliminated 4/1981 | | NAKINA |
| 28 | TPTX | Trailer Train Co. | 1/1994-7/2005 (not listed) | | NAKINA |
| 29 | TPTX | Trailer Train Co. | added 10/80; eliminated 4/81 | | NRHS |
| 30 | TPTX | Trailer Train Co. | 1/94-7/2000 | | NRHS |
| 31 | TPTX | TRAILER TRAIN CO. | | | PWRC |
| 32 | TPTX | Trailer Train (TTX Corporation) | | | RSRV |
| 33 | TPTY | T & P TRUCKING LTD | | | SCAC4 |
| 34 | TPTZ | THREE (3) PLUS TRANSPORTATION | | | SCAC4 |
