| 1 | LCO | Ladeco S.A. d/b/a Ladeco Airlines | IATA: UC, Callsign: Ladeco, IATA Prefix: 145, Name changed to LANExpress 01 November 2001. | RCH | AVCODES |
| 2 | LCO | Ladeco S.A. d/b/a LANExpress | IATA: UC, Callsign: Ladeco, IATA Prefix: 145, Name changed from Ladeco S.A. d/b/a Ladeco Airlines | RCH | AVCODES |
| 3 | LCO | LAN Cargo S.A. d/b/a LATAM Cargo Chile | IATA: UC, IATA Prefix: 527, Name changed from LAN Cargo S.A. w.e.f. 05 May 2016. | RCH | AVCODES |
| 4 | LCO | LAN Cargo | | | ICAO1 |
| 5 | LCOA | London Coaches | | GB | TRAFFIC |
| 6 | LCOD | LANDFORCE CORPORATION | | | SCAC4 |
| 7 | LCOE | LCO ENTERPRISES | | | SCAC3 |
| 8 | LCOG | LC ONE (1) | | | SCAC4 |
| 9 | LCOH | LACOH TRANSPORT INC | | | SCAC4 |
| 10 | LCOI | LARCO INC | | | SCAC4 |
| 11 | LCOL | LANDCO LLC | | | SCAC4 |
| 12 | LCOP | LINDENWOOD CO-OPERATIVE EXCHANGE | | | SCAC3 |
| 13 | LCOQ | LALEMANT CARIBBEAN OPERATORS INC | | | SCAC3 |
| 14 | LCOR | LINCOR TRANSPORTATION INC | | | SCAC4 |
| 15 | LCOS | LACO SHIPPING LTD GIBRALTER | | | SCAC3 |
| 16 | LCOU | LOCOTRANSSPED SP. Z O.O. | | PL | BIC |
| 17 | LCOX | L.A. Colo & Sons, Inc. | added 1/2003; 7/2005 | | NAKINA |
| 18 | LCOX | L. A. COLO & SONS, IMC. | | | PWRC |
| 19 | LCOX | L A Colo and Sons | | | RSRV |
| 20 | LCOX | L A COLO & SONS INC | | | SCAC4 |
| 21 | LCOY | LAS CRUCES OIL COMPANY | | | SCAC4 |
