| Carrier Code | Carrier Name |
| KLIS | KLINE PTE LTD |
| KLLM | KENT LINE LIMITED |
| KLRA | KLERA NAVIGATION COMPANY LIMITED (CYPRUS) |
| KLVE | KLAVENESS, T SHIPPING A/S |
| KLWU | KLEINWACHTER GMBH & CO |
| KLYI | KELLY INTERNATIONAL |
| KMDM | KMD MARINE INC |
| KMRI | KEMERI NAVIGATION CORPORATION |
| KMTU | KOREA MARINE TRANSPORT CO LTD |
| KNAU | KNAUERS EXPRESS AND STORAGE COMPANY |
| KNDU | KUEHNE AND NAGEL OVERSEAS INC |
| KNEB | KNEUBUHL MARITIME SERVICES CORPORATION |
| KNOK | KNOCK TANKERS LTD-BERMUDA |
| KNOP | KING OCEAN CENTRAL AMERICA S A |
| KNSU | KENYA NATIONAL SHIPPING LINE LTD |
