| 1 | LE | Helgoland Airlines | Designator LE* recalled by IATA | D | AVCODES |
| 2 | LE | Liberian World Airlines, Inc. | ICAO: LWA, Designator LE recalled by IATA | LB | AVCODES |
| 3 | LE | Air Lowveld PTY Ltd. | | ZA | AVCODES |
| 4 | LE | Laparkan Airways, Inc. | IATA designator changed from L8* | GUY | AVCODES |
| 5 | LE | E Fly Co. Ltd. | ICAO: LEF, Callsign: Lalena, Ceased operations on 05 November 2009. Founded in 2009 | M | AVCODES |
| 6 | LE | Lion Air Cargo Tanzania Limited | | EAT | AVCODES |
| 7 | LE | Norwegian Air Sweden AB | ICAO: NSW, Callsign: Nordic, IATA Prefix: 348, | S | AVCODES |
| 8 | LE | Lousiana Eastern R.R. | 1/1975-1/1980 | | NAKINA |
| 9 | LE | Lousiana Eastern R.R. | 1/75-1/80 | | NRHS |
| 10 | LE | LOUISIANA EASTERN RAILROAD | | | PWRC |
| 11 | LE | Louisiana Eastern Railroad | | | RSRV |
| 12 | LE | Leo Expres, a.s. | | CZ | VKM |
| 13 | LEA | Leadair Unijet | Callsign: Leadair, Name changed from Leadair Jet Service | F | AVCODES |
| 14 | LEA | Leadair Jet Service | IATA: FE, Callsign: Leadair, Designator FE recalled by IATA | F | AVCODES |
| 15 | LEA | Leadair Jet Service | Callsign: Leadair, Name changed to Leadair Unijet | F | AVCODES |
| 16 | LEA | Unijet | | | ICAO1 |
| 17 | LEAA | LEE-ANN CORPORATION | | | SCAC3 |
| 18 | LEAA | LES ENTREPRISES J L THEROUX | | | SCAC4 |
| 19 | LEAB | LES AUTOBUS E MANARD ET FILS INC | | | SCAC3 |
| 20 | LEAB | LAKE ERIE ABRASIVE & TOOL | | | SCAC4 |
| 21 | LEAC | LEES ALL CARGO SERVICE | | | SCAC3 |
| 22 | LEACZ | Čestmír Káňa - LEARKA | | CZ | VKM |
| 23 | LEAE | LEATHERS OIL COMPANY | | | SCAC4 |
| 24 | LEAF | LANDSTAR EXPRESS AMERICA INC | | | SCAC4 |
| 25 | LEAG | LEA, GLEN A | | | SCAC3 |
| 26 | LEAG | LEA, GLEN A INCORPORATED | | | SCAC4 |
| 27 | LEAH | LEADERS, CHARLES TRUCKING | | | SCAC3 |
| 28 | LEAI | LEANN INC | | | SCAC3 |
| 29 | LEAJ | LEVY, A & J ZENTNER CO | | | SCAC3 |
| 30 | LEAK | LEAKE OIL CO INC | | | SCAC4 |
| 31 | LEAL | LEWIS, AL, TRUCKING | | | SCAC3 |
| 32 | LEAL | LEWIS, AL TRUCKING INC | | | SCAC4 |
| 33 | LEAM | LANDSTAR EXPRESS AMERICA INC | | | SCAC4 |
| 34 | LEAN | LES ENTREPRISES ANDRE MARK | | | SCAC4 |
| 35 | LEAP | LEAP TRUCKING INC | | | SCAC3 |
| 36 | LEAP | LEYENDA LTD | | | SCAC4 |
| 37 | LEAR | LES ETALAGES ARCHEX LTD | | | SCAC4 |
| 38 | LEAT | LEE AUTO TRANSPORT | | | SCAC3 |
| 39 | LEAU | SO.GE.SE SRL | | I | BIC |
| 40 | LEAV | LEE AIR FREIGHT INC | | | SCAC3 |
| 41 | LEAW | LEASEWAY EXPRESS (A DIV OF MIDWESTE | | | SCAC3 |
| 42 | LEAW | LEWIS OIL CO | | | SCAC4 |
| 43 | LEAY | LEAHY, M W CO INC | | | SCAC3 |
| 44 | LEAZ | LEASEWAY | | | PWRC |
| 45 | LEB | Lebap | Callsign: Lebap, | TM | AVCODES |
| 46 | LEB | Lebap | | | ICAO1 |
| 47 | LEB | Lausanne-Echallens-Bercher | | CH | TRAFFIC |
| 48 | LEB | Compagnie du Chemin de fer Lausanne-Echallens-Bercher | | CH | VKM |
| 49 | LEBA | LEEBRICK & FISHER INC | | | SCAC3 |
| 50 | LEBA | LEBACKEN TRUCKING CO | | | SCAC4 |
| 51 | LEBB | LEE, BOB | | | SCAC3 |
| 52 | LEBC | LEBOEUF TRANSPORT INC | | | SCAC3 |
| 53 | LEBC | LE BON CROISSANT | | | SCAC4 |
| 54 | LEBD | LEBANON DISTRIBUTING CO INC | | | SCAC3 |
| 55 | LEBF | LEBOEUF TRANSIT SERVICE CO | | | SCAC3 |
| 56 | LEBG | LEACH BROTHERS TRANSPORTATION INC | | | SCAC3 |
| 57 | LEBH | LEBRO, CHARLES | | | SCAC3 |
| 58 | LEBH | LA ESTRELLITA ENT INC | | | SCAC4 |
| 59 | LEBI | LEBARNOLD, INC | | | SCAC3 |
| 60 | LEBI | LABONTE, RICHARD | | | SCAC4 |
| 61 | LEBK | LEEBRICK, BOB & COMPANY INC | | | SCAC3 |
| 62 | LEBK | LES PLACEMENTS MAZAL D INC | | | SCAC4 |
| 63 | LEBN | LEBEL, FERN TRUCKING LTD | | | SCAC3 |
| 64 | LEBO | LEONARD BROS TRANSFER & STORAGE CO | | | SCAC3 |
| 65 | LEBO | LEROYS BIG VALLEY GUNWORKS | | | SCAC4 |
| 66 | LEBO | Zakład Komunikacji Miejskiej w Lęborku | | PL | TRAFFIC |
| 67 | LEBP | LES ENTREPRISES B & M & P BEAUREGAR | | | SCAC3 |
| 68 | LEBS | LES ENTREPRISES SUFO INC | | | SCAC4 |
| 69 | LEBT | LEONARD BROS TRUCKING CO, INC | | | SCAC3 |
| 70 | LEBW | LEBET ENTERPRISES INC | | | SCAC4 |
| 71 | LEBY | LEES BOAT YARD | | | SCAC3 |
| 72 | LEBY | LEBY FIXTURE & INTERIORS LTD | | | SCAC4 |
| 73 | LEC | Elicomo | Callsign: Elicomo, | I | AVCODES |
| 74 | LEC | Linex | Callsign: Leca, | RCA | AVCODES |
| 75 | LEC | Linex | | | ICAO1 |
| 76 | LECB | LEISURE CAB CO | | | SCAC3 |
| 77 | LECB | LAMOTTE, DIRK | | | SCAC4 |
| 78 | LECC | LEE, CONTRACT CARRIERS | | | SCAC3 |
| 79 | LECD | LES ENTREPRISES CNR | | | SCAC4 |
| 80 | LECE | LUCY ENTERPRISES CORP | | | SCAC4 |
| 81 | LECG | LEGETTE, CECIL G | | | SCAC3 |
| 82 | LECH | LEACHS EXPRESS | | | SCAC3 |
| 83 | LECI | LEES COACH TOURS | | | SCAC3 |
| 84 | LECJ | LIGHTHOUSE ENTERPRISES | | | SCAC4 |
| 85 | LECK | LEE, CHUCK TRUCKING INC | | | SCAC3 |
| 86 | LECL | LES ENTREPRISES SERGE BARRETTE INC | | | SCAC4 |
| 87 | LECN | LES ENTREPRISES CARVON INC | | | SCAC3 |
| 88 | LECN | LEV TRANSPORT INC | | | SCAC4 |
| 89 | LECO | LEDERER TERMINAL WAREHOUSE COMPANY | | | SCAC3 |
| 90 | LECP | LECO CORPORATION | | | SCAC3 |
| 91 | LECQ | LARIMAR ENVIOS AND CARGO EXPRESS IN | | | SCAC4 |
| 92 | LECR | LECHMERE INC | | | SCAC3 |
| 93 | LECU | INDUSTRIAL DYNAMICS | | RH | BIC |
| 94 | LECU | Lehigh Equipment | | | RSRV |
| 95 | LECV | LECCO ENTERPRISES | | | SCAC4 |
| 96 | LECW | LESLIE EQUIPMENT COMPANY | | | SCAC4 |
| 97 | LECX | Leco Corp. | added 4/1981; eliminated 5/1983; 1/1994 (not listed) | | NAKINA |
| 98 | LECX | Leco Corp. | added 4/81; eliminated 5/83; 1/94 | | NRHS |
| 99 | LECX | LECO CORPORATION | | | PWRC |
| 100 | LECX | Leco Corporation | | | RSRV |
