| 1 | TPX | Transportes Aereos de Xalapa, S.A. de C.V. | Callsign: Transxalpa, | MEX | AVCODES |
| 2 | TPX | Transportes Aereos De Xalapa | | | ICAO1 |
| 3 | TPX | Trojan Powder Co. | 8/1920-7/1935 | | NAKINA |
| 4 | TPX | Trojan Powder Co., care of Pennsylvania Trojan Powder Co. | 7/1937-10/1957 | | NAKINA |
| 5 | TPX | Trojan Powder Co. | eliminated 7/1958 | | NAKINA |
| 6 | TPX | Trojan Powder Co. | 4/38-1/52 | | NRHS |
| 7 | TPX | Trojan Powder Co., care of Pennsylvania Trojan Powder Co. | Oct-57 | | NRHS |
| 8 | TPX | Trojan Powder Co. | eliminated 7/58 | | NRHS |
| 9 | TPX | TROJAN POWDER CO. | | | PWRC |
| 10 | TPX | TransPng other | | | TRAFFIC |
| 11 | TPX | Trans-Pennine Express | | UK | VKM |
| 12 | TPXA | TRANSPORTES MARTINEZ | | | SCAC4 |
| 13 | TPXB | TRANSPORTATION PARTNERS | | | SCAC4 |
| 14 | TPXE | TRANSPORTES COPADO | | | SCAC4 |
| 15 | TPXF | TRAPEX | | | SCAC4 |
| 16 | TPXG | TLC TRANSPORTATION | | | SCAC4 |
| 17 | TPXH | TRANSPORTES PIMENTEL | | | SCAC4 |
| 18 | TPXI | TIPTOP EXPRESS INC | | | SCAC4 |
| 19 | TPXK | T P EXPRESS INC | | | SCAC4 |
| 20 | TPXN | TRIPLE A EXPRESS INC | | | SCAC4 |
| 21 | TPXO | TRANSPORTES SOL | | | SCAC4 |
| 22 | TPXQ | TRANSPORTATION PLUS | | | SCAC4 |
| 23 | TPXS | TOPAC ENTERPRISES INC | | | SCAC4 |
| 24 | TPXU | (TPHU) TIPHOOK CONTAINER RENTAL COMPANY LTD. | | | PWRC |
| 25 | TPXU | Tiphook Container Rental Limited | | | RSRV |
| 26 | TPXU | TRANSAMERICA LEASING INC | | | SCAC4 |
| 27 | TPXV | TRANSPORT EXECUTIVES INC | | | SCAC4 |
| 28 | TPXY | TRICAP INTERNATIONAL LLC | | | SCAC4 |
