| 1 | TLC | Caribbean Express, Inc. | Callsign: Carib-X, | USA | AVCODES |
| 2 | TLC | Caribbean Express | | | ICAO1 |
| 3 | TLCA | TLC NATIONWIDE INC | | | SCAC4 |
| 4 | TLCB | TLC MOVING INC | | | SCAC4 |
| 5 | TLCC | TRANSPORTES LAS CRUCITAS | | | SCAC4 |
| 6 | TLCD | TUM LOGISTICS CARRIER DIVISION INC | | | SCAC4 |
| 7 | TLCE | TELLO CRUZ, LETICIA | | | SCAC4 |
| 8 | TLCG | TRAILCO INC | | | SCAC4 |
| 9 | TLCI | TOTAL LOGISTICS CARGO INC | | | SCAC4 |
| 10 | TLCN | TELESAT CANADA | | | SCAC4 |
| 11 | TLCO | TALCO TRUCKING INC | | | SCAC4 |
| 12 | TLCP | TORSPEC INTERNATIONAL INC | | | SCAC4 |
| 13 | TLCQ | TALON LOGISTICS INC | | | SCAC4 |
| 14 | TLCRG | Transport line Cargo s.r.o. | | CZ | TRAFFIC |
| 15 | TLCS | TRANSPORTES LOS CHINACOS S A DE C V | | | SCAC4 |
| 16 | TLCU | UNIFEEDER A/S | | PL | BIC |
| 17 | TLCU | TECO LINES AS | | | SCAC4 |
| 18 | TLCV | TLC SERVICES, INC | | | SCAC1 |
| 19 | TLCV | TOTAL COVERAGE INC | | | SCAC4 |
| 20 | TLCW | TRANSPORTES ESPECIALIZADOS LA CONQU | | | SCAC4 |
| 21 | TLCX | Trinidad Leaseholds (Canada) Ltd. (marks changed to RRCX) | 1/1950-7/1954; eliminated 4/1956 | | NAKINA |
| 22 | TLCX | Transport Leasing Co. | added 10/1959; 4/1961 | | NAKINA |
| 23 | TLCX | Transport Leasing (Subsidiary of Pullman Inc.) | eliminated 4/1963 | | NAKINA |
| 24 | TLCX | Transport Leasing, a Division of Pullman Inc. | added 4/1963; 7/1965-4/1970; eliminated 10/1970 | | NAKINA |
| 25 | TLCX | Pullman Transport Leasing Co., a Subsidiary of Pullman Inc. | added 10/1970; 1/1975; eliminated 1/1976 | | NAKINA |
| 26 | TLCX | Pullman Leasing Co., a Subsidiary of Pullman Inc. | added 1/1976; 1/1980; eliminated 4/1981 | | NAKINA |
| 27 | TLCX | Pullman Leasing Co. | added 4/1981; eliminated 1/1990 | | NAKINA |
| 28 | TLCX | Itel Rail Corp. | added 1/1990; eliminated 10/1992 | | NAKINA |
| 29 | TLCX | General Electric Railcar Services Corp. | added 10/1992; 1/1994; eliminated 1/2000 | | NAKINA |
| 30 | TLCX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 31 | TLCX | Trinidad Leaseholds (Canada) Ltd. | Jan-52 | | NRHS |
| 32 | TLCX | Transport Leasing Co. | added 10/59; 4/61 | | NRHS |
| 33 | TLCX | Transport Leasing, a Division of Pullman Inc. | 7/65-4/70; eliminated 10/70 | | NRHS |
| 34 | TLCX | Pullman Transport Leasing Co., a Subsidiary of Pullman Inc. | added 10/70; 1/75 | | NRHS |
| 35 | TLCX | Pullman Leasing Co., a Subsidiary of Pullman Inc. | 1/80; eliminated 4/81 | | NRHS |
| 36 | TLCX | Pullman Leasing Co. | added 4/81; eliminated 1/90 | | NRHS |
| 37 | TLCX | Itel Rail Corp. | added 1/90; eliminated 10/92 | | NRHS |
| 38 | TLCX | General Electric Railcar Services Corp. | added 10/92; 1/94; eliminated 1/2000 | | NRHS |
| 39 | TLCX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 40 | TLCX | *TRINIDAD LEASEHOLDS (CANADA) LTD. (MARK CHANGED TO RRCX) | | | PWRC |
| 41 | TLCX | +(NATX) GENERAL ELECTRIC RAIL SERVICES CORP. [ITEL RAIL CORP.; PULLMAN LEASING CO.] | | | PWRC |
| 42 | TLCX | Pullman Leasing | | | RSRV |
| 43 | TLCX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
| 44 | TLCX | Transport Leasing Co. | now: General Electric Rail Services Corp. | USA | TRAFFIC |
| 45 | TLCY | T S LEGACY LOGISTICS LP | | | SCAC4 |
