| 1 | KMK | Kamaka Air, Inc. | Callsign: Kamaka, | USA | AVCODES |
| 2 | KMKI | KAISER, MIKE | | | SCAC3 |
| 3 | KMKM | Klub Miłośników Komunikacji Miejskiej w Warszawie | City: Warszawa | PL | TRAFFIC |
| 4 | KMKN | K A M TRUCKING INC | | | SCAC3 |
| 5 | KMKO | KMC-KOOTRAC | | | SCAC4 |
| 6 | KMKOL | Komunikacja Miejska w Kołobrzegu, sp. z o.o. | Real: KM, City: Kołobrzeg | PL | TRAFFIC |
| 7 | KMKOL | „Koleje Mazowieckie – KM” sp. z o.o. | | PL | VKM |
| 8 | KMKQ | KIMOLOS MARITIME CORPORATION | | | SCAC3 |
| 9 | KMKR | KRAMER & KRAMER INC | | | SCAC4 |
| 10 | KMKX | Intercoastal Capital Corp. | added 4/2007 | | NAKINA |
| 11 | KMKX | INTERCOASTAL CAPITAL CORP. | | | PWRC |
| 12 | KMKX | INTERCOASTAL CAPITAL CORPORATION | | | SCAC4 |
