| 7601 | LTNC | L E T INC | | | SCAC3 |
| 7602 | LTND | LIBERTY TRUCKING & DISTRIBUTION | | | SCAC3 |
| 7603 | LTND | LIBERTY TRUCKING & DISTRIBUTION | | | SCAC4 |
| 7604 | LTNF | LEESBURG TRANSFER & STORAGE INC | | | SCAC3 |
| 7605 | LTNG | LIGHTNING TRANSPORTATION, INC | | | SCAC3 |
| 7606 | LTNG | LIGHTNING TRANSPORTATION INC | | | SCAC4 |
| 7607 | LTNI | LEE TRANSIT INC | | | SCAC3 |
| 7608 | LTNI | LES TRANSPORTS RNB INC | | | SCAC4 |
| 7609 | LTNK | LENTINI TRUCKING INC | | | SCAC4 |
| 7610 | LTNL | LINCOLN TANK LINES INC | | | SCAC3 |
| 7611 | LTNL | LOTUS TERMINALS LTD | | | SCAC4 |
| 7612 | LTNP | LAYTON TRANSPORTATION COMPANY INC | | | SCAC3 |
| 7613 | LTNQ | LAMBERT TRANSFER & STORAGE | | | SCAC3 |
| 7614 | LTNR | LES TRANSPORTS R LAPOINTE INC | | | SCAC3 |
| 7615 | LTNR | LATINA TRANSPORTATION LLC | | | SCAC4 |
| 7616 | LTNS | LA MESA TRANSFER AND STORAGE | | | SCAC3 |
| 7617 | LTNS | LA MESA TRANSFER AND STORAGE | | | SCAC4 |
| 7618 | LTNV | LLOYD TRIESTINO | | | SCAC3 |
| 7619 | LTNV | LLOYD TRIESTINO DI NAVIGAZIONE | | | SCAC4 |
| 7620 | LTO | LTU Billa Lufttransport Unternehmen GmbH | IATA: L3, Callsign: Billatransport, | A | AVCODES |
| 7621 | LTO | LTU Austria | IATA: L3 | | ICAO1 |
| 7622 | LTOA | LA TORTILLERIA | | | SCAC4 |
| 7623 | LTOB | LAURA TOURS BUS SERVICES | | | SCAC3 |
| 7624 | LTOC | LAM TRANSPORTATION CORPORATION | | | SCAC3 |
| 7625 | LTOC | L & T OIL CO INC | | | SCAC4 |
| 7626 | LTOE | LOTTO EXPRESS INC | | | SCAC3 |
| 7627 | LTOF | LITTON FURNITURE INC | | | SCAC3 |
| 7628 | LTOF | LITTON FURNITURE INCORPORATED | | | SCAC4 |
| 7629 | LTOG | Lokaltog A/S | Lokaltog was formed on 1 July 2015 as a merger of Lokalbanen A/S and Regionstog A/S. | DK | TRAFFIC |
| 7630 | LTOK | LITOS TRUCKING SERVICE INC | | | SCAC4 |
| 7631 | LTOL | LEDGER TRANSPORT LTD | | | SCAC3 |
| 7632 | LTOM | LANE TOURS INC | | | SCAC3 |
| 7633 | LTOM | LANGE, TOM COMPANY INC | | | SCAC4 |
| 7634 | LTON | LINTON & SON TRUCKING | | | SCAC3 |
| 7635 | LTOP | LANDTROP EXPRESS INC | | | SCAC4 |
| 7636 | LTOR | LIBRA TRANSPORTATION CO INC | | | SCAC4 |
| 7637 | LTOS | L A B TOURS & CHARTERS | | | SCAC4 |
| 7638 | LTOT | LANASA, TONY TOURS | | | SCAC3 |
| 7639 | LTOV | LOU-TIN OILFIELD SERVICE | | | SCAC4 |
| 7640 | LTP | LATPASS Airlines | IATA: QJ, Callsign: Latpass, IATA Prefix: 937, Designator QJ* and Prefix Code 937 recalled by IATA | LV | AVCODES |
| 7641 | LTP | LATPASS Airlines | Callsign: Latpass, Designator QJ* and Prefix Code 937 recalled by IATA | LV | AVCODES |
| 7642 | LTPB | LOUISIANA TRANSPORTATION INC (BROKE | | | SCAC4 |
| 7643 | LTPC | LEEMAR TRANSPORT CORP | | | SCAC3 |
| 7644 | LTPG | LOUISIANA TRANSPORTATION INC (GOVER | | | SCAC4 |
| 7645 | LTPI | LOUISIANA TRANSPORTATION INC | | | SCAC4 |
| 7646 | LTPJ | LES TRANSPORTS JONATHAN INC | | | SCAC3 |
| 7647 | LTPL | LILY TRANSPORT LINES INC | | | SCAC3 |
| 7648 | LTPL | LILY DISTRIBUTION SERVICES | | | SCAC4 |
| 7649 | LTPM | LES TRANSPORT MITIS INC | | | SCAC3 |
| 7650 | LTPO | LAERCO TRANSPORTATION & WAREHOUSE | | | SCAC3 |
| 7651 | LTPO | LUTZ PRECISION LTD | | | SCAC4 |
| 7652 | LTPQ | LEE TRANSPORT INC | | | SCAC3 |
| 7653 | LTPQ | LINCOLN TRANSPORT PHOENIX INC | | | SCAC4 |
| 7654 | LTPS | LONG TRANSPORTATION SERVICES, INC | | | SCAC3 |
| 7655 | LTPS | LONG TRANSPORTATION SERVICES INC | | | SCAC4 |
| 7656 | LTPX | Lewis Tar Products Co. | 7/1935-10/1957; eliminated 10/1960 | | NAKINA |
| 7657 | LTPX | Lewis Tar Products Co. | 4/38-10/57; eliminated 10/60 | | NRHS |
| 7658 | LTPX | LEWIS TAR PRODUCTS CO. | | | PWRC |
| 7659 | LTQC | LES TIGES QUATRE (4) SAISONS 2009 I | | | SCAC4 |
| 7660 | LTQS | LOUISVILLE TIN & STOVE INC | | | SCAC4 |
| 7661 | LTR | Lufttransport A/S | IATA: L5, Callsign: Luft Transport, Designator L5* recalled by IATA | N | AVCODES |
| 7662 | LTR | Lufttransport A/S | Callsign: Luft Transport, Designator L5* recalled by IATA | N | AVCODES |
| 7663 | LTR | Lufttransport | IATA: L5 | | ICAO1 |
| 7664 | LTRA | LOVETRANS INC | | | SCAC3 |
| 7665 | LTRA | LES TRANSPORTS AUDEC INC | | | SCAC4 |
| 7666 | LTRB | LEITCH, ROBERT | | | SCAC3 |
| 7667 | LTRC | LANGER TRANSPORT CORP | | | SCAC3 |
| 7668 | LTRC | LANGER TRANSPORT CORP | | | SCAC4 |
| 7669 | LTRD | LAMBERT TRUCKING | | | SCAC4 |
| 7670 | LTRE | LONE TREE TRUCKING | | | SCAC3 |
| 7671 | LTRE | LITIERE ROYALE INC | | | SCAC4 |
| 7672 | LTRG | LUJAN TRANSPORT | | | SCAC4 |
| 7673 | LTRH | LTR RIGGING & HAULING | | | SCAC4 |
| 7674 | LTRI | LAND TRUCKING COMPANY | | | SCAC3 |
| 7675 | LTRI | LAND TRUCKING COMPANY | | | SCAC4 |
| 7676 | LTRI | R&I Tours of North London | | GB | TRAFFIC |
| 7677 | LTRK | LITTLE TRUCKING | | | SCAC3 |
| 7678 | LTRL | LITTRELLS INC | | | SCAC3 |
| 7679 | LTRL | LOCKHART TRUCK LINES | | | SCAC4 |
| 7680 | LTRL | Tramlink | City: London | GB | TRAFFIC |
| 7681 | LTRN | LLOYD TRANSPORTATION INC | | | SCAC3 |
| 7682 | LTRO | LITTLE ROCK EXPRESS | | | SCAC3 |
| 7683 | LTRO | LEE, T R OIL CO INC | | | SCAC4 |
| 7684 | LTRP | LANDMARK TRANSPORTATIONS SERVICES I | | | SCAC3 |
| 7685 | LTRQ | LIDO TRUCK LINE | | | SCAC3 |
| 7686 | LTRR | LIGHTNING TRANSPORT INC | | | SCAC4 |
| 7687 | LTRS | LATRONICA & SONS INC | | | SCAC3 |
| 7688 | LTRS | LASER TRANSIT INC | | | SCAC4 |
| 7689 | LTRT | LETOUR TRANSIT LTD | | | SCAC3 |
| 7690 | LTRT | LAURIE TRANSIT LLC | | | SCAC4 |
| 7691 | LTRU | LOGISTICS TECHNOLOGIES LLC | | RUS | BIC |
| 7692 | LTRU | LITER | | | SCAC4 |
| 7693 | LTRV | LES TRANSPORT ROBERT VERRET INC | | | SCAC4 |
| 7694 | LTRV | London Traveller | | GB | TRAFFIC |
| 7695 | LTRY | LERMA TRUCKING | | | SCAC4 |
| 7696 | LTS | LTU Lufttransport Unternehmen Süd GmbH Co | IATA: LU, Callsign: LTS, Commenced operations in May 1984. Merged into LTU during 1998. | D | AVCODES |
| 7697 | LTS | Flight Inspections and Systems | | | ICAO1 |
| 7698 | LTS | LT: | | S | TRAFFIC |
| 7699 | LTS | LOKO TRANS | | SK | VKM |
| 7700 | LTSA | LOTSA TRANSPORT INC | | | SCAC3 |
