| 1 | LKA | Alkair Flight Operations A/S | Callsign: Alkair, | DK | AVCODES |
| 2 | LKA | Luke Air | Callsign: Luke Air, | M | AVCODES |
| 3 | LKA | Lao Capricorn Air | | | ICAO1 |
| 4 | LKA | Lódzka Kolej Aglomeracyjna | | PL | TRAFFIC |
| 5 | LKA | ŁÓDZKA KOLEJ AGLOMERACYJNA SP. Z O.O. | | PL | VKM |
| 6 | LKAB | Luossavaara-Kiirunavaara Aktiebolag (Malmbanan) | 1890 - | S | svenska-lok.se |
| 7 | LKAB | | | S | TRAFFIC |
| 8 | LKAB | LKAB | | SE | VKM |
| 9 | LKAD | LEVSKI LOGISTIC INC | | | SCAC4 |
| 10 | LKAJ | LINDGREN, K AND J TRUCKING INC | | | SCAC4 |
| 11 | LKAM | LINKAMERICA TRANSPORTATION INC | | | SCAC4 |
| 12 | LKAP | LAKITAS TRANSPORTATION SERVICE INC | | | SCAC3 |
| 13 | LKAR | LAKAR TRUCKING CO | | | SCAC3 |
| 14 | LKAR | LAIRSON TRUCKING LLC | | | SCAC4 |
| 15 | LKAT | LAKES AREA TRASPORT | | | SCAC3 |
| 16 | LKATP1 | Lvov Komunalnij ATP-1 | | UA | TRAFFIC |
| 17 | LKAU | ALKA-GAS NV | | | SCAC4 |
