| 1 | TRB | Ukraine Transavia | Callsign: Kirovtrans, Ceased operations | UA | AVCODES |
| 2 | TRB | Thai Regional Aviation Company Limited d/b/a Thai Regional | IATA: RW, Designator RW recalled by IATA. | T | AVCODES |
| 3 | TRB | Thai Regional Aviation Company Limited d/b/a Thai Regional | Name changed to Rabbit Wings Airways Company Limited. Designator RW recalled by IATA. | T | AVCODES |
| 4 | TRB | Rabbit Wings Airways Company Limited | Name changed from Thai Regional Aviation Company Limited d/b/a Thai Regional. Designator RW recalled by IATA. | T | AVCODES |
| 5 | TRB | Ukraine Transavia | | | ICAO1 |
| 6 | TRBA | TRANSPORT BLANEY INC | | | SCAC4 |
| 7 | TRBB | TRB TWO THOUSAND (2000) INC | | | SCAC4 |
| 8 | TRBD | TRANSPORTES BANDA REFRIGERADOS | | | SCAC4 |
| 9 | TRBG | TRICE TRUCKING INC | | | SCAC4 |
| 10 | TRBH | TRIER TRANSPORT | | | SCAC4 |
| 11 | TRBI | TRANSPORT RABEL INC | | | SCAC4 |
| 12 | TRBJ | TRANSORT REGINALD JACQUES | | | SCAC4 |
| 13 | TRBK | T.R.N. TRANSPORTATION, INC | | | SCAC1 |
| 14 | TRBK | T R N TRANSPORTATION INC | | | SCAC4 |
| 15 | TRBM | TRANSPORT ROBERT PRIMEAU INC | | | SCAC4 |
| 16 | TRBP | TRANSPORTES ROCO | | | SCAC4 |
| 17 | TRBR | TRAILER BRIDGE INC (TRUCK) | | | SCAC1 |
| 18 | TRBR | TRAILER BRIDGE INC | | | SCAC4 |
| 19 | TRBS | TURBINE STANDARD LTD | | | SCAC4 |
| 20 | TRBU | CJ DARCL LOGISTICS LIMITED | | IND | BIC |
| 21 | TRBU | DELHI ASSAM ROADWAYS CORPORATION LT | | | SCAC4 |
| 22 | TRBW | TRENT, BRUCE TRUCKING INC | | | SCAC4 |
| 23 | TRBX | TIMKEN ROLLER BEARING COMPANY | | | PWRC |
| 24 | TRBX | Timken Roller Bearing | | | RSRV |
