| 1 | TPB | Aero Tropical, Lda | Callsign: Aero Tropical, | ANG | AVCODES |
| 2 | TPB | Aero Tropical | | | ICAO1 |
| 3 | TPB | Transporto Pubblico del Bellinzonese | City: Bellinzona | CH | TRAFFIC |
| 4 | TPBA | TRANSPORTES BERNAL | | | SCAC4 |
| 5 | TPBD | TP TRUCKING (BROKERAGE DIVISION) | | | SCAC4 |
| 6 | TPBE | TRANSPORT BERNIERES INC | | | SCAC4 |
| 7 | TPBF | T P L R HONEY FARMS | | | SCAC4 |
| 8 | TPBG | TORRE PEREZ, AGUSTIN | | | SCAC4 |
| 9 | TPBI | Transports publics biennois / Verkehrsbetriebe Biel | Real: tpb | CH | TRAFFIC |
| 10 | TPBL | TRANSPORT PIERRE BOLDUC INC | | | SCAC4 |
| 11 | TPBM | TRANSPORT BERTRAND MATHIEU INC | | | SCAC4 |
| 12 | TPBN | TRIPLE B TRUCKING LLC | | | SCAC4 |
| 13 | TPBP | TRIPLE B CORPORATION | | | SCAC4 |
| 14 | TPBQ | TRANSPORT BHOPAL | | | SCAC4 |
| 15 | TPBR | TRANSPORT BROKERS INC | | | SCAC4 |
| 16 | TPBS | TRACKSIDE PERFORMANCE LLC | | | SCAC4 |
| 17 | TPBUS | Komunikacja Gminy Tarnowo Podgórne "TPBUS" sp. z o.o. | City: Tarnowo Podgórne | PL | TRAFFIC |
| 18 | TPBX | General American Transportation Corp. | added 4/1970; 1/1975-1/1980; eliminated 10/1992 | | NAKINA |
| 19 | TPBX | General American Transportation Corp. | added 4/70; 1/75-1/80; eliminated 10/92 | | NRHS |
| 20 | TPBX | (GATX) RETIRED 08-19-92 ATP (1790) [TEXACO INC. - LESSEE] | | | PWRC |
| 21 | TPBX | General American Transportation Corporation (GATX) | | | RSRV |
