| 1401 | TCAU | BLUE BALTIC SHIPPING & TRADING LIMITED | | C | BIC |
| 1402 | TCAU | ASIA BRIDGE CONTAINER PTE LTD | | | SCAC3 |
| 1403 | TCAU | THUNDER CONTAINERS SHIPPING A V V | | | SCAC4 |
| 1404 | TCAV | TECNOLOGIA AVANZADA EN DRENAJE S A | | | SCAC4 |
| 1405 | TCAW | TRANS AMERICAN CUSTOMHOUSE BROKERS | | | SCAC4 |
| 1406 | TCAX | Transportation Corp. of America | added 4/1974; 1/1975-1/1980; eliminated 4/1991 | | NAKINA |
| 1407 | TCAX | Transportation Corp. of America | added 4/1991; eliminated 1/1994 | | NAKINA |
| 1408 | TCAX | General Electric Railcar Services Corp. | added 1/1994; eliminated 1/2000 | | NAKINA |
| 1409 | TCAX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 1410 | TCAX | Transportation Corp. of America | added 4/74; 1/75-1/80; eliminated 4/91 | | NRHS |
| 1411 | TCAX | Transportation Corp. of America | added 4/91; eliminated 1/94 | | NRHS |
| 1412 | TCAX | General Electric Railcar Services Corp. | added 1/94; eliminated 1/2000 | | NRHS |
| 1413 | TCAX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 1414 | TCAX | *TRANSPORTATION CORPORATION OF AMERICA | | | PWRC |
| 1415 | TCAX | +(NATX) GENERAL ELECTRIC RAIL SERVICES CORPORATION | | | PWRC |
| 1416 | TCAX | Transportation Corporation of America | | | RSRV |
| 1417 | TCAX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
| 1418 | TCAX | Transportation Corp. of America | | USA | TRAFFIC |
| 1419 | TCB | Transporte del Caribe | | | ICAO1 |
| 1420 | TCB | Texas Central Business Lines Corp. | added 4/2001; eliminated 10/2001 | | NAKINA |
| 1421 | TCB | Texas Central Business Lines Corp. | 7/2005 | | NAKINA |
| 1422 | TCB | Texas Central Business Lines Corp. | added 4/2001 | | NRHS |
| 1423 | TCB | TEXAS CENTRAL BUSINESS LINES CORP. | | | PWRC |
| 1424 | TCB | Texas Central Business Lines Corporation | | | RSRV |
| 1425 | TCB | TEXAS CENTRAL BUSINESS LINES CORPOR | | | SCAC4 |
| 1426 | TCB | Texas Central Business Lines Corp. | | USA | TRAFFIC |
| 1427 | TCBA | TCB TRANSPORTATION INC | | | SCAC3 |
| 1428 | TCBB | TRANSCARIBBEAN MARITIME CORP, OLD S | | | SCAC3 |
| 1429 | TCBB | TRANSCARIBBEAN MARITIME CORP, OLD S | | | SCAC4 |
| 1430 | TCBC | TIBER CARBULK CARRIERS, INC. | | | SCAC3 |
| 1431 | TCBC | T C B ASPHALT | | | SCAC4 |
| 1432 | TCBD | T C B TRANSPORT LLC | | | SCAC4 |
| 1433 | TCBF | TRANSCARIBE FREIGHT CORP | | | SCAC3 |
| 1434 | TCBF | TRANSCARIBE FREIGHT CORP | | | SCAC4 |
| 1435 | TCBG | TRI-CONTINENTAL TRUCK BROKERAGE INC | | | SCAC3 |
| 1436 | TCBG | T COMBUSTIBLES DE CAMARGO SA DE CV | | | SCAC4 |
| 1437 | TCBH | TRANSPORT CSSB INC | | | SCAC4 |
| 1438 | TCBI | TCB TRANSPORTATION | | | SCAC3 |
| 1439 | TCBI | TRANSPORT CLAUDE BENOIT INC | | | SCAC4 |
| 1440 | TCBK | TRANSPORT C B | | | SCAC4 |
| 1441 | TCBL | T C B LTD | | | SCAC3 |
| 1442 | TCBO | TCB TRANSPORTATION INC | | | SCAC4 |
| 1443 | TCBP | TCB TRANSPORTERS INC | | | SCAC3 |
| 1444 | TCBP | TCB TRANSPORTATION LLC | | | SCAC4 |
| 1445 | TCBQ | TRANSPORTES C B | | | SCAC4 |
| 1446 | TCBR | TECUMSEH BRANCH CONNECTING RAILROAD | | | PWRC |
| 1447 | TCBR | Tecumseh Branch Connecting Railroad | | | RSRV |
| 1448 | TCBR | TCB RUSH TRUCKING & MESSENGER SERVI | | | SCAC3 |
| 1449 | TCBS | TCB EXPRESS INC | | | SCAC4 |
| 1450 | TCBT | TCB TRANSPORTATION INC | | | SCAC3 |
| 1451 | TCBU | TITAN CONTAINERS A/S | | DK | BIC |
| 1452 | TCBU | TRANS-CARRIBEAN LINES, INC. | | | SCAC3 |
| 1453 | TCBU | TRANS CARIBBEAN LINE | | | SCAC4 |
| 1454 | TCBV | THREE CIRCLE LOGISTICS LLC | | | SCAC4 |
| 1455 | TCBW | TWO C (2C) LOGISTICS INC | | | SCAC4 |
| 1456 | TCBX | AIG RAIL SERVICES, INC. | | | PWRC |
| 1457 | TCBX | FLAGSHIP RAIL SERVICES LLC | | | SCAC4 |
| 1458 | TCBY | Tecumseh Branch Connecting R.R. Co. | added 1/2004; eliminated 4/2004; 7/2005 | | NAKINA |
| 1459 | TCBY | TECUMSEH BRANCH CONNECTING RAILROAD CO. | | | PWRC |
| 1460 | TCBY | TECUMSEH BRANCH CONNECTING RAILROAD | | | SCAC4 |
| 1461 | TCBZ | TRINTON COAL BUCKSKIN MINE | | | PWRC |
| 1462 | TCC | Trans Continental Airlines | Callsign: Transcal, | SUD | AVCODES |
| 1463 | TCC | Trans Continental Airlines | | | ICAO1 |
| 1464 | TCC | TEXAS TRANSPORTATION CO. | | | PWRC |
| 1465 | TCC | TAC: Transporte Aéreo de Colombia | TAC (acronym of Transporte Aéreo de Colombia) is a charter airline based at Alfonso Bonilla Aragón International Airport in Cali, Colombia. | CO | TRAFFIC |
| 1466 | TCCB | TCB TRANSPORTATION | | | SCAC3 |
| 1467 | TCCB | TCC GULF INC | | | SCAC4 |
| 1468 | TCCC | TIME FREIGHT INC | | | PWRC |
| 1469 | TCCD | TURCATO CUSTOM PRINT | | | SCAC4 |
| 1470 | TCCF | TRANSPACIFIC FREIGHTERS CO. S.A. | | | SCAC3 |
| 1471 | TCCG | TEMPERATURE CONTROLLED CARRIAGE INC | | | SCAC3 |
| 1472 | TCCH | TWENTIETH (20TH) CENTURY COACH COMP | | | SCAC3 |
| 1473 | TCCH | TWENTIETH (20TH) CENTURY COACH INC | | | SCAC4 |
| 1474 | TCCI | TWIN CITY CARTAGE INC | | | SCAC3 |
| 1475 | TCCJ | TACONY CONTAINER CORP | | | SCAC3 |
| 1476 | TCCK | TCT TRUCKING INC | | | SCAC4 |
| 1477 | TCCL | TONOLLI COMPANY OF CANADA LTD | | | SCAC4 |
| 1478 | TCCM | THOMAS CARTAGE COMPANY | | | SCAC3 |
| 1479 | TCCN | THREE COAST CARRIERS INC | | | SCAC3 |
| 1480 | TCCO | TIDEWATER CONSTRUCTION CO. | | | PWRC |
| 1481 | TCCO | TRI COUNTY CO-OPERATIVE OIL COMPANY | | | SCAC3 |
| 1482 | TCCP | TRIM CARTAGE COMPANY INC | | | SCAC3 |
| 1483 | TCCP | TOWN & COUNTRY CO-OP INC | | | SCAC4 |
| 1484 | TCCP | Transports Ciutat Comtal Pamplona | | E | TRAFFIC |
| 1485 | TCCQ | TAIWAN CONSOLIDATION CO., LTD. | | | SCAC3 |
| 1486 | TCCT | TRANSPORT C CARETTE INC | | | SCAC4 |
| 1487 | TCCU | TANK CONTAINER CLEANING SERVICES S.R.L. | | I | BIC |
| 1488 | TCCU | TRADCON CONTAINER TRADING CO., LTD | | | SCAC3 |
| 1489 | TCCU | TANK CONTAINER CLEANING SERVICES S | | | SCAC4 |
| 1490 | TCCV | TOWN & COUNTRY CASINO SERVICE | | | SCAC3 |
| 1491 | TCCW | THOMAS COLACE CO LLC, THE | | | SCAC4 |
| 1492 | TCCX | Taylor Chemical Co. | 8/1920-1/1946 | | NAKINA |
| 1493 | TCCX | Thompson Chemical Co. | added 4/1963; 7/1965; eliminated 4/1966 | | NAKINA |
| 1494 | TCCX | Thompson Apex Co., Division of Continental Oil Co. | added 4/1966; 10/1966; eliminated 7/1968 | | NAKINA |
| 1495 | TCCX | Trumix Concrete Co. | added 10/1978; 1/1980; eliminated 4/1980 | | NAKINA |
| 1496 | TCCX | TCCX Corp. | added 4/1980; eliminated 1/1991; 1/1994-7/2005 (not listed) | | NAKINA |
| 1497 | TCCX | Taylor Chemical Corp. | Apr-38 | | NRHS |
| 1498 | TCCX | Thompson Chemical Co. | 7/65; eliminated 4/66 | | NRHS |
| 1499 | TCCX | Thompson Apex Co., Division of Continental Oil Co. | added 4/66; 10/66; eliminated 7/68 | | NRHS |
| 1500 | TCCX | Trumix Concrete Co. | added 10/78; 1/80; eliminated 4/80 | | NRHS |
