| 1 | KEA | Korea Express Air Co., Ltd. | IATA: XE, Callsign: Korea Express, IATA designator changed to KW. | ROK | AVCODES |
| 2 | KEA | Kalahari Express Airlines (pty) Ltd. | IATA: XY, Callsign: Kalhari, Designator XY recalled by IATA | NAM | AVCODES |
| 3 | KEA | Korea Express Air Co., Ltd. | IATA: KW, Callsign: Korea Express, IATA designator changed from XE*. Commenced opeations on 15 August 2009. | ROK | AVCODES |
| 4 | KEAA | KEA, ALBERT J TRUCKING | | | SCAC3 |
| 5 | KEAB | KELLY EXPRESS & LOGISTICS LLC | | | SCAC4 |
| 6 | KEAD | KEAR, DENNIS TRUCKING | | | SCAC3 |
| 7 | KEAE | KESSEL, A E CO INC | | | SCAC3 |
| 8 | KEAH | KEY SAFETY SYSTEMS DE MEXICO S DE R | | | SCAC4 |
| 9 | KEAI | KEATON TRUCK LINES INC | | | SCAC3 |
| 10 | KEAK | KERNS FARMS CORP | | | SCAC4 |
| 11 | KEAL | KEAL DRIVEAWAY COMPANY | | | SCAC3 |
| 12 | KEAL | KEALOHALANI EQUIPMENT AND RENTAL IN | | | SCAC4 |
| 13 | KEAM | KENNEDY, A M TRANSPORTATION CO INC | | | SCAC3 |
| 14 | KEAN | KEARNEYS INC | | | SCAC3 |
| 15 | KEAN | KANE, KEN AERIAL SPRAY (1988) LTD | | | SCAC4 |
| 16 | KEAQ | KEA MARITIME CORPORATION | | | SCAC3 |
| 17 | KEAR | KEARNEY, L G JR | | | SCAC3 |
| 18 | KEAR | KEARNEY PLANTERS | | | SCAC4 |
| 19 | KEAT | KEATHLEY, T A JR | | | SCAC3 |
| 20 | KEAY | KEARNEY TRUCKING | | | SCAC3 |
| 21 | KEAY | KEATS TRANSPORTATION LLC | | | SCAC4 |
