| 1 | TLX | Translux International Airlines S.A. Operating as Cargo Lion | Callsign: Translux, Ceased operations end March 2001 | L | AVCODES |
| 2 | TLX | Telesis Transair, Inc. | Callsign: Telesis, | USA | AVCODES |
| 3 | TLX | Telesis Transair | | | ICAO1 |
| 4 | TLX | Taylor, Lowenstein & Co. (previously T.L.&Co.) (General American Tank Car Corp.) | added 11/1934; 7/1935 | | NAKINA |
| 5 | TLX | TAYLOR, LOWENSTEIN & CO. [T.L. & CO.] | | | PWRC |
| 6 | TLXA | TRANSPORTES LARMEX SA DE CV | | | SCAC4 |
| 7 | TLXB | TIME LOGISTICS GC LLC | | | SCAC4 |
| 8 | TLXC | TLC EXPRESS LINES | | | SCAC4 |
| 9 | TLXD | TOP LINE CONSTRUCTION LTD | | | SCAC4 |
| 10 | TLXE | TIMBERLINE EXPRESS LTD | | | SCAC4 |
| 11 | TLXG | TOTAL XPRESS | | | SCAC4 |
| 12 | TLXH | TERRALAND XPRESS INC | | | SCAC4 |
| 13 | TLXI | TRI-LAKES EXPRESS | | | SCAC1 |
| 14 | TLXM | TRILEX, INC | | | SCAC1 |
| 15 | TLXM | TL & A TRANSPORTATION LLC | | | SCAC4 |
| 16 | TLXN | TRAILER X-PRESS INC | | | SCAC4 |
| 17 | TLXQ | TOTALOGISTIX INC | | | SCAC4 |
| 18 | TLXR | TRANSPORTES LOGISTICOS EXPORTALIA S | | | SCAC4 |
| 19 | TLXT | TLB TRANSIT INC | | | SCAC4 |
| 20 | TLXU | TRANS ASIAN SHIPPING SERVICES (P) LTD. | | IND | BIC |
| 21 | TLXU | TRANS ASIAN SHIPPING SERVICES (P) L | | | SCAC4 |
| 22 | TLXV | TRIPLE L TRANSPORTATION INC | | | SCAC4 |
| 23 | TLXY | TOLARIS TRANSPORT | | | SCAC4 |
