| 5601 | TLDX | Pullman Leasing Co. | added 4/81; eliminated 1/90 | | NRHS |
| 5602 | TLDX | Itel Rail Corp. | added 1/90; eliminated 10/92 | | NRHS |
| 5603 | TLDX | General Electric Railcar Services Corp. | added 10/92; 1/94; eliminated 1/2000 | | NRHS |
| 5604 | TLDX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 5605 | TLDX | (NATX) GENERAL ELECTRIC RAIL SERVICES CORP. [ITEL RAIL CORP.; PULLMAN LEASING CO.] | | | PWRC |
| 5606 | TLDX | Pullman Leasing (GE Capital Railcar Services) | | | RSRV |
| 5607 | TLDX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
| 5608 | TLDX | Pullman Transport Leasing Co | | USA | TRAFFIC |
| 5609 | TLDY | TRINITY LOGISTICS INC | | | SCAC4 |
| 5610 | TLE | Société Nouvelle Air Toulouse | IATA: SH, Callsign: Toulouse, Ceased operations | F | AVCODES |
| 5611 | TLE | Aero Util, S.A. de C.V. | Callsign: Aeroutil, | MEX | AVCODES |
| 5612 | TLE | Air Toulouse | | F | AVCODES |
| 5613 | TLE | Air Toulouse | Callsign: Air Toulouse, | F | AVCODES |
| 5614 | TLE | Aero Util | | | ICAO1 |
| 5615 | TLEG | TRANSPORTES LEGASPY E HIJOS S A DE | | | SCAC4 |
| 5616 | TLEH | TOP LINE ENTERPRISE INC | | | SCAC4 |
| 5617 | TLEJ | TOP LINE EXPRESS INC | | | SCAC4 |
| 5618 | TLEK | TOTH TRUCKING LIMITED | | | SCAC4 |
| 5619 | TLEL | TURNER, LAWRENCE E TRUCKING LLC | | | SCAC4 |
| 5620 | TLEO | TRANSLOADING ENVIRONMENTAL CORP | | | SCAC4 |
| 5621 | TLES | TRANSPORTES LESA | | | SCAC4 |
| 5622 | TLET | TRIPLETT INC | | | SCAC4 |
| 5623 | TLEU | HAPAG LLOYD A.G | | D | BIC |
| 5624 | TLEU | CP SHIPS | | | SCAC4 |
| 5625 | TLEV | TRIPLE E RV | | | SCAC4 |
| 5626 | TLEW | TOLEDO LAKE ERIE & WESTERN RAILROAD | | | PWRC |
| 5627 | TLEX | Tate & Lyle Ingredients Americas, Inc. | added 4/2008 | | NAKINA |
| 5628 | TLEX | TATE & LYLE INGREDIENTS AMERICA INC. | | | PWRC |
| 5629 | TLEX | TATE & LYLE INGREDIENTS AMERICA | | | SCAC4 |
| 5630 | TLEY | TENNEY, | | | SCAC4 |
| 5631 | TLF | Transport Africa Limited | Callsign: Trana-Leone, | WAL | AVCODES |
| 5632 | TLF | Transport Africa | | | ICAO1 |
| 5633 | TLFA | TREE OF LIFE LOGISTICS LLC | | | SCAC4 |
| 5634 | TLFE | TREE OF LIFE INC | | | SCAC4 |
| 5635 | TLFF | TRI-COAST LOGISTIC LLC | | | SCAC4 |
| 5636 | TLFI | TRANSPORT LA FIESTA INC | | | SCAC4 |
| 5637 | TLFJ | TIMEX LOGISTICS LTD | | | SCAC4 |
| 5638 | TLFL | TRANSPORT L F L INC | | | SCAC4 |
| 5639 | TLFM | TLS TRANSPORTATION INC | | | SCAC4 |
| 5640 | TLFN | TOTAL FREIGHT LINES | | | SCAC4 |
| 5641 | TLFQ | TOTAL LOGISTICS CORP | | | SCAC4 |
| 5642 | TLFR | TRILLIUM FLORAL | | | SCAC4 |
| 5643 | TLFS | TELLEFSENS LLC | | | SCAC4 |
| 5644 | TLFT | TOLTEC FREIGHT SYSTEMS | | | SCAC4 |
| 5645 | TLFU | NUROL TEKNOLOJI SAN. VE MAD. TIC. A.S. | | TR | BIC |
| 5646 | TLFV | TEXAS LOCAL FREIGHT & LOGISTICS INC | | | SCAC4 |
| 5647 | TLFW | TL DIVERSIFIED SERVICES LLC | | | SCAC4 |
| 5648 | TLG | JSC Aircompany Invest Avia | IATA: IN, Callsign: Talgat, Ceased operations. | KZ | AVCODES |
| 5649 | TLG | Transport und Logistik GmbH | Gründau (Frey-Gruppe) | D | privat-bahn.de |
| 5650 | TLG | Transport und Logistik GmbH | | D | TRAFFIC |
| 5651 | TLG | Transport und Logistik GmbH | | DE | VKM |
| 5652 | TLGC | TRANSPRO LOGISTICS INC | | | SCAC4 |
| 5653 | TLGD | TRANSPORT LOGISTICS INC | | | SCAC4 |
| 5654 | TLGG | TRANSPORT LOGISTICS GROUP INC | | | SCAC4 |
| 5655 | TLGN | TOO LEGIT ENTERPRIZES | | | SCAC4 |
| 5656 | TLGO | TRI-TRANS LOGISTICS INC | | | SCAC4 |
| 5657 | TLGP | TOTAL LOGISTICS GROUP INC | | | SCAC4 |
| 5658 | TLGQ | TROY LOGISTICS LLC | | | SCAC4 |
| 5659 | TLGR | TOTAL LOGISTIC CONTROL LLC | | | SCAC4 |
| 5660 | TLGU | “TEGRA LOGISTICS” LLC | | UA | BIC |
| 5661 | TLGV | TRANSLOADING SERVICES INC | | | SCAC4 |
| 5662 | TLHA | TL AHLERS & ASSOCIATES | | | SCAC4 |
| 5663 | TLHB | TWENTER LOGISTICS | | | SCAC4 |
| 5664 | TLHC | T & | | | SCAC4 |
| 5665 | TLHF | TRANS LIQUIDS LLC | | | SCAC4 |
| 5666 | TLHG | TRANSPORTES LAGARTO | | | SCAC4 |
| 5667 | TLHH | TOAD LOGISTICS LLC | | | SCAC4 |
| 5668 | TLHJ | TRANSGLOBAL LOGISTICS INTERMODAL IN | | | SCAC4 |
| 5669 | TLHK | TARA LOGISTICS INC | | | SCAC4 |
| 5670 | TLHL | TALLER HERNANDEZ | | | SCAC4 |
| 5671 | TLHO | TRUE LOG HOMES | | | SCAC4 |
| 5672 | TLHP | TRIPLE H PRODUCE INC | | | SCAC4 |
| 5673 | TLHQ | TALLER HERRERIA | | | SCAC4 |
| 5674 | TLHR | TROPICAL SHIPPING | | | SCAC4 |
| 5675 | TLHS | T L H TRUCKING | | | SCAC4 |
| 5676 | TLHU | TONG LEE HUAT PTE LTD | | SGP | BIC |
| 5677 | TLI | European Air Services | Callsign: Twinline, | GB | AVCODES |
| 5678 | TLI | TL Aviation GmbH | Callsign: Spirit, | D | AVCODES |
| 5679 | TLIA | TRANSAMERICA LOGISTICS INC | | | SCAC4 |
| 5680 | TLIF | TRIDEM LOGISTICS INC | | | SCAC4 |
| 5681 | TLIG | THOR LEASING INC | | | SCAC4 |
| 5682 | TLIH | TLI SHIPPING LLC | | | SCAC4 |
| 5683 | TLIJ | TRX LOGISTICS INC | | | SCAC4 |
| 5684 | TLIN | TRANSCO LINES INC | | | SCAC4 |
| 5685 | TLIR | TMO LOGISTICS INC | | | SCAC4 |
| 5686 | TLIS | TIMELINE LOGISTICS LLC | | | SCAC4 |
| 5687 | TLIT | TLI FLATDECKS INC | | | SCAC4 |
| 5688 | TLIU | TN AMERICAS LLC | | USA | BIC |
| 5689 | TLIU | TRANS LEASING, INC. | | | PWRC |
| 5690 | TLIU | Trans Leasing | | | RSRV |
| 5691 | TLIU | TRANSPORT LOGISTICS INTERNATIONAL I | | | SCAC4 |
| 5692 | TLIW | TRANSPORT LINIERE | | | SCAC4 |
| 5693 | TLJ | Thalair SA | Callsign: Taljet, | F | AVCODES |
| 5694 | TLJA | TRANSPORTES DE LOGISTICA TIJERINA | | | SCAC4 |
| 5695 | TLJI | TRANSPORT L JEAN INC | | | SCAC4 |
| 5696 | TLJN | TLI TRANSPORTATION LLC | | | SCAC4 |
| 5697 | TLJR | TORRES LOPEZ, JOSE ALFONSO | | | SCAC4 |
| 5698 | TLJS | TOTAL SOLUTIONS LLC | | | SCAC4 |
| 5699 | TLJT | TREASURE, L & J TRUCKING | | | SCAC4 |
| 5700 | TLK | Starlink Aviation Inc. | IATA: Q4, Callsign: Starlink, Designator Q4 recalled by IATA | CDN | AVCODES |
