| 2001 | LE | Liberian World Airlines, Inc. | ICAO: LWA, Designator LE recalled by IATA | LB | AVCODES |
| 2002 | LE | Air Lowveld PTY Ltd. | | ZA | AVCODES |
| 2003 | LE | Laparkan Airways, Inc. | IATA designator changed from L8* | GUY | AVCODES |
| 2004 | LE | E Fly Co. Ltd. | ICAO: LEF, Callsign: Lalena, Ceased operations on 05 November 2009. Founded in 2009 | M | AVCODES |
| 2005 | LE | Lion Air Cargo Tanzania Limited | | EAT | AVCODES |
| 2006 | LE | Norwegian Air Sweden AB | ICAO: NSW, Callsign: Nordic, IATA Prefix: 348, | S | AVCODES |
| 2007 | LE | Lousiana Eastern R.R. | 1/1975-1/1980 | | NAKINA |
| 2008 | LE | Lousiana Eastern R.R. | 1/75-1/80 | | NRHS |
| 2009 | LE | LOUISIANA EASTERN RAILROAD | | | PWRC |
| 2010 | LE | Louisiana Eastern Railroad | | | RSRV |
| 2011 | LE | Leo Expres, a.s. | | CZ | VKM |
| 2012 | LEA | Leadair Unijet | Callsign: Leadair, Name changed from Leadair Jet Service | F | AVCODES |
| 2013 | LEA | Leadair Jet Service | IATA: FE, Callsign: Leadair, Designator FE recalled by IATA | F | AVCODES |
| 2014 | LEA | Leadair Jet Service | Callsign: Leadair, Name changed to Leadair Unijet | F | AVCODES |
| 2015 | LEA | Unijet | | | ICAO1 |
| 2016 | LEAA | LEE-ANN CORPORATION | | | SCAC3 |
| 2017 | LEAA | LES ENTREPRISES J L THEROUX | | | SCAC4 |
| 2018 | LEAB | LES AUTOBUS E MANARD ET FILS INC | | | SCAC3 |
| 2019 | LEAB | LAKE ERIE ABRASIVE & TOOL | | | SCAC4 |
| 2020 | LEAC | LEES ALL CARGO SERVICE | | | SCAC3 |
| 2021 | LEACZ | Čestmír Káňa - LEARKA | | CZ | VKM |
| 2022 | LEAE | LEATHERS OIL COMPANY | | | SCAC4 |
| 2023 | LEAF | LANDSTAR EXPRESS AMERICA INC | | | SCAC4 |
| 2024 | LEAG | LEA, GLEN A | | | SCAC3 |
| 2025 | LEAG | LEA, GLEN A INCORPORATED | | | SCAC4 |
| 2026 | LEAH | LEADERS, CHARLES TRUCKING | | | SCAC3 |
| 2027 | LEAI | LEANN INC | | | SCAC3 |
| 2028 | LEAJ | LEVY, A & J ZENTNER CO | | | SCAC3 |
| 2029 | LEAK | LEAKE OIL CO INC | | | SCAC4 |
| 2030 | LEAL | LEWIS, AL, TRUCKING | | | SCAC3 |
| 2031 | LEAL | LEWIS, AL TRUCKING INC | | | SCAC4 |
| 2032 | LEAM | LANDSTAR EXPRESS AMERICA INC | | | SCAC4 |
| 2033 | LEAN | LES ENTREPRISES ANDRE MARK | | | SCAC4 |
| 2034 | LEAP | LEAP TRUCKING INC | | | SCAC3 |
| 2035 | LEAP | LEYENDA LTD | | | SCAC4 |
| 2036 | LEAR | LES ETALAGES ARCHEX LTD | | | SCAC4 |
| 2037 | LEAT | LEE AUTO TRANSPORT | | | SCAC3 |
| 2038 | LEAU | SO.GE.SE SRL | | I | BIC |
| 2039 | LEAV | LEE AIR FREIGHT INC | | | SCAC3 |
| 2040 | LEAW | LEASEWAY EXPRESS (A DIV OF MIDWESTE | | | SCAC3 |
| 2041 | LEAW | LEWIS OIL CO | | | SCAC4 |
| 2042 | LEAY | LEAHY, M W CO INC | | | SCAC3 |
| 2043 | LEAZ | LEASEWAY | | | PWRC |
| 2044 | LEB | Lebap | Callsign: Lebap, | TM | AVCODES |
| 2045 | LEB | Lebap | | | ICAO1 |
| 2046 | LEB | Lausanne-Echallens-Bercher | | CH | TRAFFIC |
| 2047 | LEB | Compagnie du Chemin de fer Lausanne-Echallens-Bercher | | CH | VKM |
| 2048 | LEBA | LEEBRICK & FISHER INC | | | SCAC3 |
| 2049 | LEBA | LEBACKEN TRUCKING CO | | | SCAC4 |
| 2050 | LEBB | LEE, BOB | | | SCAC3 |
| 2051 | LEBC | LEBOEUF TRANSPORT INC | | | SCAC3 |
| 2052 | LEBC | LE BON CROISSANT | | | SCAC4 |
| 2053 | LEBD | LEBANON DISTRIBUTING CO INC | | | SCAC3 |
| 2054 | LEBF | LEBOEUF TRANSIT SERVICE CO | | | SCAC3 |
| 2055 | LEBG | LEACH BROTHERS TRANSPORTATION INC | | | SCAC3 |
| 2056 | LEBH | LEBRO, CHARLES | | | SCAC3 |
| 2057 | LEBH | LA ESTRELLITA ENT INC | | | SCAC4 |
| 2058 | LEBI | LEBARNOLD, INC | | | SCAC3 |
| 2059 | LEBI | LABONTE, RICHARD | | | SCAC4 |
| 2060 | LEBK | LEEBRICK, BOB & COMPANY INC | | | SCAC3 |
| 2061 | LEBK | LES PLACEMENTS MAZAL D INC | | | SCAC4 |
| 2062 | LEBN | LEBEL, FERN TRUCKING LTD | | | SCAC3 |
| 2063 | LEBO | LEONARD BROS TRANSFER & STORAGE CO | | | SCAC3 |
| 2064 | LEBO | LEROYS BIG VALLEY GUNWORKS | | | SCAC4 |
| 2065 | LEBO | Zakład Komunikacji Miejskiej w Lęborku | | PL | TRAFFIC |
| 2066 | LEBP | LES ENTREPRISES B & M & P BEAUREGAR | | | SCAC3 |
| 2067 | LEBS | LES ENTREPRISES SUFO INC | | | SCAC4 |
| 2068 | LEBT | LEONARD BROS TRUCKING CO, INC | | | SCAC3 |
| 2069 | LEBW | LEBET ENTERPRISES INC | | | SCAC4 |
| 2070 | LEBY | LEES BOAT YARD | | | SCAC3 |
| 2071 | LEBY | LEBY FIXTURE & INTERIORS LTD | | | SCAC4 |
| 2072 | LEC | Elicomo | Callsign: Elicomo, | I | AVCODES |
| 2073 | LEC | Linex | Callsign: Leca, | RCA | AVCODES |
| 2074 | LEC | Linex | | | ICAO1 |
| 2075 | LECB | LEISURE CAB CO | | | SCAC3 |
| 2076 | LECB | LAMOTTE, DIRK | | | SCAC4 |
| 2077 | LECC | LEE, CONTRACT CARRIERS | | | SCAC3 |
| 2078 | LECD | LES ENTREPRISES CNR | | | SCAC4 |
| 2079 | LECE | LUCY ENTERPRISES CORP | | | SCAC4 |
| 2080 | LECG | LEGETTE, CECIL G | | | SCAC3 |
| 2081 | LECH | LEACHS EXPRESS | | | SCAC3 |
| 2082 | LECI | LEES COACH TOURS | | | SCAC3 |
| 2083 | LECJ | LIGHTHOUSE ENTERPRISES | | | SCAC4 |
| 2084 | LECK | LEE, CHUCK TRUCKING INC | | | SCAC3 |
| 2085 | LECL | LES ENTREPRISES SERGE BARRETTE INC | | | SCAC4 |
| 2086 | LECN | LES ENTREPRISES CARVON INC | | | SCAC3 |
| 2087 | LECN | LEV TRANSPORT INC | | | SCAC4 |
| 2088 | LECO | LEDERER TERMINAL WAREHOUSE COMPANY | | | SCAC3 |
| 2089 | LECP | LECO CORPORATION | | | SCAC3 |
| 2090 | LECQ | LARIMAR ENVIOS AND CARGO EXPRESS IN | | | SCAC4 |
| 2091 | LECR | LECHMERE INC | | | SCAC3 |
| 2092 | LECU | INDUSTRIAL DYNAMICS | | RH | BIC |
| 2093 | LECU | Lehigh Equipment | | | RSRV |
| 2094 | LECV | LECCO ENTERPRISES | | | SCAC4 |
| 2095 | LECW | LESLIE EQUIPMENT COMPANY | | | SCAC4 |
| 2096 | LECX | Leco Corp. | added 4/1981; eliminated 5/1983; 1/1994 (not listed) | | NAKINA |
| 2097 | LECX | Leco Corp. | added 4/81; eliminated 5/83; 1/94 | | NRHS |
| 2098 | LECX | LECO CORPORATION | | | PWRC |
| 2099 | LECX | Leco Corporation | | | RSRV |
| 2100 | LECZ | LOVELAND ELEVATOR COMPANY | | | PWRC |
