| 1 | TCA | Tropican Air Services | Callsign: Tropicana, | ET | AVCODES |
| 2 | TCA | Tradecraft Nigeria LTd | Callsign: Tradecraft, | WAN | AVCODES |
| 3 | TCA | Tropican Air Services | | | ICAO1 |
| 4 | TCAA | TRANSPORTES CAAR | | | SCAC4 |
| 5 | TCAC | TRACE AIR CARGO | | | SCAC3 |
| 6 | TCAC | TRANSPORTADORA CAS | | | SCAC4 |
| 7 | TCAE | TRANS CONTINENTAL AUTO EXCHANGE INC | | | SCAC3 |
| 8 | TCAF | TRANSCON AIR FREIGHT | | | SCAC3 |
| 9 | TCAG | THOMAS, C A LEASING INC | | | SCAC3 |
| 10 | TCAG | TRANSPORTES CANPERSA | | | SCAC4 |
| 11 | TCAH | TREALMONT CHARTERING INC AFFRETEMEN | | | SCAC4 |
| 12 | TCAI | TWIN CITY AIR FREIGHT PICK UP & DEL | | | SCAC3 |
| 13 | TCAK | TRANSPORTES CAZARES | | | SCAC4 |
| 14 | TCAL | TRANSCONTINENTAL LOGISTICS LLC | | | SCAC4 |
| 15 | TCAM | TRANSPORT CORPORATION OF AMERICA IN | | | SCAC3 |
| 16 | TCAM | TRANSPORT CORPORATION OF AMERICA IN | | | SCAC4 |
| 17 | TCAN | TRANSPORTES CANALES SA DE CV | | | SCAC4 |
| 18 | TCAO | TRICARICO, STEVE TRUCKING | | | SCAC3 |
| 19 | TCAP | TRANS-CAR INC | | | SCAC4 |
| 20 | TCAQ | TRANS CAL MOTOR EXPRESS | | | SCAC3 |
| 21 | TCAR | TRANS-CARRIERS INC | | | SCAC4 |
| 22 | TCAS | TRANSPORTES CLAPAGA S A DE C V | | | SCAC4 |
| 23 | TCAT | TRACTORS & TRUCK INC | | | SCAC3 |
| 24 | TCAU | BLUE BALTIC SHIPPING & TRADING LIMITED | | C | BIC |
| 25 | TCAU | ASIA BRIDGE CONTAINER PTE LTD | | | SCAC3 |
| 26 | TCAU | THUNDER CONTAINERS SHIPPING A V V | | | SCAC4 |
| 27 | TCAV | TECNOLOGIA AVANZADA EN DRENAJE S A | | | SCAC4 |
| 28 | TCAW | TRANS AMERICAN CUSTOMHOUSE BROKERS | | | SCAC4 |
| 29 | TCAX | Transportation Corp. of America | added 4/1974; 1/1975-1/1980; eliminated 4/1991 | | NAKINA |
| 30 | TCAX | Transportation Corp. of America | added 4/1991; eliminated 1/1994 | | NAKINA |
| 31 | TCAX | General Electric Railcar Services Corp. | added 1/1994; eliminated 1/2000 | | NAKINA |
| 32 | TCAX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 33 | TCAX | Transportation Corp. of America | added 4/74; 1/75-1/80; eliminated 4/91 | | NRHS |
| 34 | TCAX | Transportation Corp. of America | added 4/91; eliminated 1/94 | | NRHS |
| 35 | TCAX | General Electric Railcar Services Corp. | added 1/94; eliminated 1/2000 | | NRHS |
| 36 | TCAX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 37 | TCAX | *TRANSPORTATION CORPORATION OF AMERICA | | | PWRC |
| 38 | TCAX | +(NATX) GENERAL ELECTRIC RAIL SERVICES CORPORATION | | | PWRC |
| 39 | TCAX | Transportation Corporation of America | | | RSRV |
| 40 | TCAX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
| 41 | TCAX | Transportation Corp. of America | | USA | TRAFFIC |
