| 1 | KML | Kreisbahn Mansfelder Land GmbH | Hettstedt | D | privat-bahn.de |
| 2 | KML | Koleje Malopolskie | | PL | TRAFFIC |
| 3 | KML | Kreisbahn Mansfelder Land | | DE | VKM |
| 4 | KMLC | K & M LOGISTICS | | | SCAC4 |
| 5 | KMLL | K MAG LLC | | | SCAC4 |
| 6 | KMLO | K & M LIMOUSINE | | | SCAC3 |
| 7 | KMLOM | Komunikacja Miejska Lomianki, sp. z o.o. | Real: KML, City: Lomianki | PL | TRAFFIC |
| 8 | KMLQ | KIMOLOS MARITIME CORPORATION | | | SCAC3 |
| 9 | KMLR | KAMLER, RICHARD A | | | SCAC3 |
| 10 | KMLR | KML CARRIERS LLC | | | SCAC4 |
| 11 | KMLS | KNICKERBOCKER MOTOR LINES, INC | | | SCAC3 |
| 12 | KMLT | KIMLINE TRANSPORTATION SERVICES CO | | | SCAC3 |
| 13 | KMLT | KEY MARITIME LTD | | | SCAC4 |
| 14 | KMLU | MAXWAY MARITIME SA | | | SCAC4 |
