| 1 | LX | Crossair Limited Company for European Regional Air Transport | ICAO: CRX, Callsign: Crossair, IATA Prefix: 724, Name changed to Crossair Ltd. d/b/a Swiss 31 March 2002. | CH | AVCODES |
| 2 | LX | Crossair Ltd. d/b/a Swiss International Airlines Ltd. | ICAO: CRX, Callsign: Swiss, IATA Prefix: 724, Name changed to Swiss International Airlines Ltd. d/b/a Swiss. Name changed from Crossair Limited Company for European Regional Air Transport 31 March 2002. | CH | AVCODES |
| 3 | LX | Swiss International Airlines Ltd. d/b/a Swiss | ICAO: CRX, Callsign: Swiss, IATA Prefix: 724, ICAO designator changed to SWR. Name changed from Crossair Ltd. d/b/a Swiss International Airlines Ltd. Name changed from Crossair Limited Company for European Regional Air Transport 31 March 2002. | CH | AVCODES |
| 4 | LX | Los Angeles Airways, Inc. | Callsign: Los Angeles, | USA | AVCODES |
| 5 | LX | Swiss International Airlines Ltd. d/b/a Swiss | ICAO: SWR, Callsign: Swiss, IATA Prefix: 724, ICAO designator changed from CRX. Name changed from Crossair Ltd. d/b/a Swiss International Airlines Ltd. Name changed from Crossair Limited Company for European Regional Air Transport on 31 March 2002. | CH | AVCODES |
| 6 | LX | Cross Air AG | ICAO: CRX, Callsign: Cross Air, IATA Prefix: 724, Name changed to Crossair Limited Company for European Regional Air Transport | CH | AVCODES |
| 7 | LXA | Luxaviation, S.A. | Callsign: Red Lion, | L | AVCODES |
| 8 | LXA | Luxaviation | | | ICAO1 |
| 9 | LXAB | LANDSTAR EXPRESS AMERICA INC (BROKE | | | SCAC4 |
| 10 | LXAC | LAMROE TRANSPORT LLC | | | SCAC4 |
| 11 | LXAU | LUXEMBOURG ARMY | | L | BIC |
| 12 | LXAU | LUXEMBOURG ARMY | | | SCAC4 |
| 13 | LXAW | LAFONTAINE EXPRESS INC | | | SCAC4 |
| 14 | LXBS | LACROIX BUS SERVICE INC | | | SCAC4 |
| 15 | LXC | CAE Aviation | Callsign: Luxvan, | L | AVCODES |
| 16 | LXCI | LETTEREX COURIER INC | | | SCAC3 |
| 17 | LXCI | LALLI BROS EXPRESS LTD | | | SCAC4 |
| 18 | LXCL | LUXURY CARS LTD | | | SCAC3 |
| 19 | LXCL | LA BEXTEN INC | | | SCAC4 |
| 20 | LXCO | LEXCO INC | | | SCAC3 |
| 21 | LXCO | LINKEX INC | | | SCAC4 |
| 22 | LXCQ | LEXINGTON CARTAGE COMPANY | | | SCAC3 |
| 23 | LXDC | LIGHTNING TRANS DIV 1 CORP | | | SCAC4 |
| 24 | LXDI | LEXMAR DISTRIBUTION INC | | | SCAC3 |
| 25 | LXDI | LEXMAR DISTRIBUTION INC | | | SCAC4 |
| 26 | LXED | LARRYS EXPRESS CORP | | | SCAC4 |
| 27 | LXEN | LEXANT ENTERPRISES LLC | | | SCAC4 |
| 28 | LXF | Lynx Air International | Callsign: Lynx Flight, | USA | AVCODES |
| 29 | LXF | Lynx Air International | | | ICAO1 |
| 30 | LXFM | LEXFOAM MANUFACTURING INC | | | SCAC3 |
| 31 | LXG | Air Luxor GB, Lda | IATA: L8, Callsign: Luxor Gulf, Ceased | GW | AVCODES |
| 32 | LXG | Luxaviation Germany GmbH | Callsign: Lux Aviation, Name changed from FairJets Luftverkehrs AG. ICAO designator changed from FJE. | D | AVCODES |
| 33 | LXG | Air Luxor GB | IATA: L8 | | ICAO1 |
| 34 | LXGT | LOGISTICS GROUP, THE | | | SCAC4 |
| 35 | LXIC | LOGIS XPRESS INC | | | SCAC4 |
| 36 | LXIG | LOADTEX INC | | | SCAC4 |
| 37 | LXIO | LAKE CITY EXPRESS, INC. | | | SCAC3 |
| 38 | LXJ | Bombardier Aerospace d/b/a Bombardier Business Jet Solutions, Inc. | Callsign: Flexjet, Name changed to Flexjet, LLC | USA | AVCODES |
| 39 | LXJ | Flexjet, LLC | Callsign: Flexjet, Name changed from Bombardier Aerospace d/b/a Bombardier Business Jet Solutions, Inc. | USA | AVCODES |
| 40 | LXJ | Bombardier Business Jet Solutions | | | ICAO1 |
| 41 | LXKC | LUXURY TRUCKING CORP | | | SCAC4 |
| 42 | LXL | Air Wings | Callsign: Luxliner, | AM | AVCODES |
| 43 | LXLC | LOUX LEASING COMPANY | | | SCAC3 |
| 44 | LXLC | LOGIX LOGISTICS | | | SCAC4 |
| 45 | LXLE | LYNX XPRESS LLC | | | SCAC4 |
| 46 | LXLL | LUXURY LINES LTD INC | | | SCAC3 |
| 47 | LXLM | LUXURY IN MOTION | | | SCAC3 |
| 48 | LXLN | LUXURY LINE TRANSPORATION INC | | | SCAC3 |
| 49 | LXLN | LEXOL HOLDINGS INC | | | SCAC4 |
| 50 | LXLO | LUXURY LIMOUSINE INC | | | SCAC3 |
| 51 | LXLS | LUXURY LIMOUSINE SERVICE INC | | | SCAC3 |
| 52 | LXLU | KMT GAS | | PRC | BIC |
| 53 | LXLU | Can Link International Lease | | | RSRV |
| 54 | LXM | Luxaviation Malta | Callsign: Luqa, | M | AVCODES |
| 55 | LXMC | LEXMAR CORPORATION | | | SCAC3 |
| 56 | LXMC | LACROIX, MICHEL CONSTRUCTION INC | | | SCAC4 |
| 57 | LXMP | LEXINGTON METAL PRODUCTS CO | | | SCAC3 |
| 58 | LXMR | LINEAS ECOA, S.A. | | | SCAC3 |
| 59 | LXO | Luxor Air | | ET | AVCODES |
| 60 | LXO | Luxor Air | | | ICAO1 |
| 61 | LXOH | Knoxville & Holston River R.R. Co., Inc. | added 10/2003; 7/2005 | | NAKINA |
| 62 | LXOH | Lexington & Ohio R.R. Co., Inc. | 7/2000; eliminated 10/2003 | | NAKINA |
| 63 | LXOH | Lexington & Ohio R.R. Co., Inc. | Jul-00 | | NRHS |
| 64 | LXOH | KNOXVILLE & HOLSTON RIVER RAILROAD CO. [LEXINGTON & OHIO RAILROAD CO.] | | | PWRC |
| 65 | LXOH | Lexington and Ohio Railroad | | | RSRV |
| 66 | LXON | LEXON TRANSPORT INC | | | SCAC4 |
| 67 | LXP | Transporte Aereo S.A. (LAN Express) | Callsign: Lanexpress, ICAO callasign changed to Lanex | RCH | AVCODES |
| 68 | LXP | Transporte Aereo S.A. (LAN Express) | IATA: LU, Callsign: Lanex, IATA Prefix: 972, Name changed to Transporte Aereo S.A. d/b/a LATAM Airlines Chile. ICAO callasign changed from Lanexpress | RCH | AVCODES |
| 69 | LXP | Transporte Aereo S.A. d/b/a LATAM Airlines Chile | IATA: LU, Callsign: Lanex, IATA Prefix: 972, Name changed from Transporte Aereo S.A. (LAN Express). ICAO callasign changed from Lanexpress | RCH | AVCODES |
| 70 | LXP | LAN Express | IATA: LU | | ICAO1 |
| 71 | LXPE | LATIN EXPRESS INC | | | SCAC4 |
| 72 | LXPL | LTL EXPRESS LLC | | | SCAC4 |
| 73 | LXPQ | LILLI TRANSPORT INC | | | SCAC4 |
| 74 | LXPR | LIGHTNING EXPRESS | | | SCAC3 |
| 75 | LXPS | LUMBER EXPRESS | | | SCAC3 |
| 76 | LXPT | LOXTERCAMP PETRO TRANSPORT INC | | | SCAC3 |
| 77 | LXR | Air Luxor, S.A. | IATA: LK, Callsign: Airluxor, IATA Prefix: 040, ICAO Callsign changed to Luxor | P | AVCODES |
| 78 | LXR | Air Luxor, S.A. | IATA: LK, Callsign: Luxor, IATA Prefix: 040, Ceased operations in October 2006. Some aircraft transferred to Hi fly. ICAO Callsign changed from Airluxor | P | AVCODES |
| 79 | LXR | Sky Prime Malta | Callsign: Sky Luxury, | M | AVCODES |
| 80 | LXR | Air Luxor | IATA: LK | | ICAO1 |
| 81 | LXS | Lynx Servicios Aereos, S.A. de C.V. | Callsign: Lynx Servicios, | MEX | AVCODES |
| 82 | LXSU | LANXESS DEUTSCHLAND GMBH | | D | BIC |
| 83 | LXSU | LANXESS DEUTSCHLAND GMBH | | | SCAC4 |
| 84 | LXTC | LEXAM TRANSPORTATION CO INC | | | SCAC3 |
| 85 | LXTG | LC XPRESS TRANSPORTATION & LOGISTIC | | | SCAC4 |
| 86 | LXTK | LEVEAUX TRUCKING | | | SCAC3 |
| 87 | LXTN | L X TRANSPORTATION INC | | | SCAC3 |
| 88 | LXTO | LBROTHERS TRANSPORT INC | | | SCAC4 |
| 89 | LXTP | LEXUS TRANSPORTATION | | | SCAC4 |
| 90 | LXTQ | LEXINGTON TRANSPORT SERVICES INC | | | SCAC4 |
| 91 | LXTS | LUX TRANSFER & STORAGE INC | | | SCAC3 |
| 92 | LXTT | LX TRANSPORT | | | SCAC4 |
| 93 | LXTV | LUXURY TRAVEL CONCEPTS INC | | | SCAC3 |
| 94 | LXUY | LUXURY LIMOUSINES OF TAHOE | | | SCAC3 |
| 95 | LXVR | Luxapalila Valley R.R. Inc. | added 10/1996; 7/2000; eliminated 1/2004; 7/2005 | | NAKINA |
| 96 | LXVR | Luxapalila Valley R.R. Inc. | added 10/96; 7/2000 | | NRHS |
| 97 | LXVR | LUXAPALILA VALLEY RAILROAD, INC. | | | PWRC |
| 98 | LXVR | Luxapalila Valley Railroad | | | RSRV |
| 99 | LXVR | LUXAPALILA VALLEY RAILROAD INC | | | SCAC4 |
| 100 | LXX | Libyan Express for Air Transport | Callsign: Libyanexpress, | LAR | AVCODES |
