| 3801 | LIRC | Louisville and Indiana | | USA | TRAFFIC |
| 3802 | LIRJ | LIDDY, R J TRANSPORT INC | | | SCAC3 |
| 3803 | LIRJ | LES INDUSTRIES JACK | | | SCAC4 |
| 3804 | LIRL | LITTLE INDIAN TRUCK LINE | | | SCAC4 |
| 3805 | LIRR | Lapeer Industrial R.R. Co. | added 1/2004; eliminated 4/2004; 7/2005 | | NAKINA |
| 3806 | LIRR | *LONG ISLAND RAIL ROAD | | | PWRC |
| 3807 | LIRR | +LAPEER INDUSTRIAL RAILROAD CO. | | | PWRC |
| 3808 | LIRR | Lapeer Industrial Railroad | | | RSRV |
| 3809 | LIRR | LAPEER INDUSTRIAL RAILROAD COMPANY | | | SCAC4 |
| 3810 | LIRR | Long Island Railroad | | USA | TRAFFIC |
| 3811 | LIRS | LET IT RIDE CARRIERS | | | SCAC4 |
| 3812 | LIRT | LIBERTY TRANSPORTATION INC | | | SCAC3 |
| 3813 | LIRU | Roland Ltd. | | | RSRV |
| 3814 | LIRU | ROLAND CORPORATION U.S.A. | | | SCAC3 |
| 3815 | LIRU | ROLAN LTD | | | SCAC4 |
| 3816 | LIRX | LAPEER INDUSTRIAL RAILROAD CO. | | | PWRC |
| 3817 | LIRY | LIBERTY TRUCKING INC | | | SCAC4 |
| 3818 | LIS | Airlis, S.A. | Callsign: Lisair, | E | AVCODES |
| 3819 | LIS | Eastern Express | Callsign: Larisa, Name changed to Luk Aero Airlines | KZ | AVCODES |
| 3820 | LIS | Luk Aero Airlines | Callsign: Larisa, Name changed from Eastern Express | KZ | AVCODES |
| 3821 | LIS | Eastern Express | | | ICAO1 |
| 3822 | LIS | | City: Lisboa | P | TRAFFIC |
| 3823 | LISA | LISA MOTOR LINES INC | | | SCAC3 |
| 3824 | LISA | LISA MOTOR LINES INC | | | SCAC4 |
| 3825 | LISC | LISCIOUS INC | | | SCAC4 |
| 3826 | LISG | LISA TRUCKING | | | SCAC3 |
| 3827 | LISG | LITHUANIAN SHIPPING COMPANY PLC | | | SCAC4 |
| 3828 | LISI | LITTLE SHIRLEYS TRANSPORTATION INC | | | SCAC3 |
| 3829 | LISK | LISKEY TRANSFER INC | | | SCAC3 |
| 3830 | LISK | LIS TRUCKING INC | | | SCAC4 |
| 3831 | LISL | LISK LINES INC | | | SCAC3 |
| 3832 | LISO | LONG ISLAND STORAGE WHSE | | | SCAC3 |
| 3833 | LISP | LINE SPECIALTY TRANSPORT | | | SCAC3 |
| 3834 | LISQ | LINCOLN STORAGE INC | | | SCAC3 |
| 3835 | LISR | LISA TRUCKING CO INC | | | SCAC3 |
| 3836 | LIST | LISTOWEL TRANSPORT LINES LIMITED | | | SCAC3 |
| 3837 | LIST | LEMAN A/S | | | SCAC4 |
| 3838 | LISU | Lithuanian Shipping Ltd. | | | RSRV |
| 3839 | LISU | LS INTERTANK APS | | | SCAC3 |
| 3840 | LISU | LITHUANIAN SHIPPING COMPANY | | | SCAC4 |
| 3841 | LISV | LARSEN INTERMODAL SERVICES INC | | | SCAC4 |
| 3842 | LISX | Maine Metal Recycling, Inc. | added 10/2003; eliminated 1/2004; 7/2005 (not listed) | | NAKINA |
| 3843 | LISX | MAINE METAL RECYCLING, INC. | | | PWRC |
| 3844 | LISX | MAINE METAL RECYCLING INC | | | SCAC4 |
| 3845 | LISY | LINDSEY TRUCKING | | | SCAC3 |
| 3846 | LIT | Air Littoral | IATA: FU, | F | AVCODES |
| 3847 | LIT | Air Littoral | IATA: FU, Callsign: Air Littoral, IATA Prefix: 659, Ceased operations in February 2004. | F | AVCODES |
| 3848 | LIT | Lufthansa Italia S.p.A. | Callsign: Miracolo, Founded in 2008. Commenced operations on 02 February 2009. Ceased operations on 29 October 2011. | I | AVCODES |
| 3849 | LIT | Leisure One Fly S.r.l. | Callsign: Leone, | I | AVCODES |
| 3850 | LITC | LAUREK INTERNATIONAL TRADE SERVICES | | | SCAC4 |
| 3851 | LITE | LEITE DRAYAGE CO INC | | | SCAC3 |
| 3852 | LITE | LITERIES UNIVERSELLES PAGA INC | | | SCAC4 |
| 3853 | LITF | LITTLEFIELD EXPRESS INC | | | SCAC3 |
| 3854 | LITF | L & I TRANSPORT | | | SCAC4 |
| 3855 | LITI | LINDLY TRUCKING INC | | | SCAC3 |
| 3856 | LITJ | LITTLE JOHNS MOVERS INCORPORATED | | | SCAC3 |
| 3857 | LITJ | LITTLE JOHNS MOVERS INCORPORATED | | | SCAC4 |
| 3858 | LITL | LITTLE AL TRUCKING COMPANY | | | SCAC3 |
| 3859 | LITM | LITMARK INC | | | SCAC4 |
| 3860 | LITN | LINDEN TRUCKING INC | | | SCAC4 |
| 3861 | LITO | LITTLETON TRUCK LINES | | | SCAC3 |
| 3862 | LITQ | LITTEN PETER & SON TRUCKING CO | | | SCAC3 |
| 3863 | LITQ | LITAS INC | | | SCAC4 |
| 3864 | LITR | LIVERPOOL TRUCKING CO INC | | | SCAC4 |
| 3865 | LITT | LITTLETON TRUCK LINE INC | | | SCAC3 |
| 3866 | LITT | LITTLETON TRUCK LINE INC | | | SCAC4 |
| 3867 | LITU | Union Resources Ltd. | | | RSRV |
| 3868 | LITU | UNION RESOURCES LIMITED | | | SCAC4 |
| 3869 | LITV | LIBERTY TRANSPORTATION CO | | | SCAC3 |
| 3870 | LITV | LIBERTY | | | SCAC4 |
| 3871 | LITX | Lite Industries Inc. | 1/1994-7/2005 (not listed) | | NAKINA |
| 3872 | LITX | Lite Industries Inc. | 1/94-7/2000 | | NRHS |
| 3873 | LITX | LITE INDUSTRIES INC. | | | PWRC |
| 3874 | LITX | Lite Industries | | | RSRV |
| 3875 | LITX | LITE INDUSTRIES INC. | | | SCAC4 |
| 3876 | LIV | Air Livonia Ltd. | Callsign: Livonia, | EST | AVCODES |
| 3877 | LIV | Air Livonia | | | ICAO1 |
| 3878 | LIVCT | Livingston County Transit (IL) | Real: LCT | USA | TRAFFIC |
| 3879 | LIVE | LIVE BOTTOM TRANSPORT INC | | | SCAC4 |
| 3880 | LIVG | LIVANGOOD, GERALD TRUCKING | | | SCAC3 |
| 3881 | LIVI | LIVINGSTON, DUANE TRUCKING INC | | | SCAC4 |
| 3882 | LIVI | Liikennevirasto | | FI | VKM |
| 3883 | LIVM | LIVONIA MOVING & STORAGE CO | | | SCAC3 |
| 3884 | LIVO | LIVONIA MOVING & STORAGE CO | | | SCAC3 |
| 3885 | LIVP | LIVEXPRESS | | | SCAC4 |
| 3886 | LIVP | | City: Liverpool | GB | TRAFFIC |
| 3887 | LIVR | LIVERPOOL EXPRESS INC | | | SCAC4 |
| 3888 | LIVU | IVOIRE LOGISTIQUE | | | SCAC4 |
| 3889 | LIVW | LIVWELL | | | SCAC4 |
| 3890 | LIVX | Livingston Refiners Corp. | 8/1920 | | NAKINA |
| 3891 | LIVX | LIVINGSTON REFINERS CORP. | | | PWRC |
| 3892 | LIWL | LITWILLER TRUCKING INC | | | SCAC3 |
| 3893 | LIWL | LITWILLER TRUCKING INC | | | SCAC4 |
| 3894 | LIWS | LITE-WAY SERVICE (DIV OF R L JEFFRI | | | SCAC3 |
| 3895 | LIWT | LITTLE WILLIES TRUCKING | | | SCAC3 |
| 3896 | LIWY | LI-WAY TRANSFER & STORAGE, INC | | | SCAC3 |
| 3897 | LIWY | LI-WAY TRANSFER & STORAGE INC | | | SCAC4 |
| 3898 | LIX | Air Littoral Express | Callsign: Lit Express, | F | AVCODES |
| 3899 | LIX | Linxair d.o.o. | Callsign: Repidlinx, Ceased operations. | SLO | AVCODES |
| 3900 | LIXE | LIGHTNING EXPRESS CORP | | | SCAC4 |
