| 1 | LUT | Luft Cargo (PTY) Ltd. | Callsign: Lugo, | ZA | AVCODES |
| 2 | LUT | Luft Carago | | | ICAO1 |
| 3 | LUT | Logistik und Transport | Karlsruhe | D | privat-bahn.de |
| 4 | LUTA | LAUGHLIN TRANSPORT INC | | | SCAC3 |
| 5 | LUTB | LEHIGH UNIVERSITY TRANSPORTATION SE | | | SCAC3 |
| 6 | LUTC | LUCIO TRUCKING CO | | | SCAC3 |
| 7 | LUTD | Luton & District / The Shire | Real: LDT, Luton & District in May 1990 bought the Stevenage depot and operations of Sovereign Bus and Coach (ex LCNE), and in October they bought London Country North-West, which had previously been bought by its management. In April 1995 the company was rebranded as "The Shires", with a new blue and yellow livery and local area operating titles. Cowie Group took over in June 1996, and renamed Arriva in November 1997 | GB | TRAFFIC |
| 8 | LUTE | LUTREL TRUCKING INC | | | SCAC3 |
| 9 | LUTF | LUTHER TRANSFER & WHSE | | | SCAC3 |
| 10 | LUTG | LUMBER TRUCKING SERVICE | | | SCAC3 |
| 11 | LUTH | LUTHER TRANSFER, INC | | | SCAC3 |
| 12 | LUTI | LUND TRUCKING CO INC | | | SCAC4 |
| 13 | LUTK | LUNDELL TRUCKING | | | SCAC3 |
| 14 | LUTM | LUTHER MCGILL INCORPORATED | | | SCAC3 |
| 15 | LUTO | LUTTOF CAR RENTAL | | | SCAC3 |
| 16 | LUTR | LIBERIAN ULYSSES TRANSPORTS, INC. | | | SCAC3 |
| 17 | LUTRA | LUTRA GMBH- Mittelbrandenburgische Hafengesellschaft | | DE | VKM |
| 18 | LUTSK | ATP 10701 Lutsk | City: Lutsk | UA | TRAFFIC |
| 19 | LUTSKE | Lutsk company of electric transport | | UA | TRAFFIC |
| 20 | LUTT | LUTTERODT, Gleis- und Tiefbau | | DE | VKM |
| 21 | LUTV | LUCAS TRANSPORT | | | SCAC3 |
| 22 | LUTZ | Gebr. Lutz Bauunternehmung GmbH & Co. KG | | DE | VKM |
