| 1 | KKL | Kol-Kol Airlines Ltd. | Callsign: Kolkol Air, | WAN | AVCODES |
| 2 | KKLA | K & K LOGISTICS LLC | | | SCAC4 |
| 3 | KKLC | KOOL KARRIERS LLC | | | SCAC4 |
| 4 | KKLI | KING KONG LOGISTICS INC | | | SCAC4 |
| 5 | KKLL | KIRK LINE LIMITED | | | SCAC3 |
| 6 | KKLM | KEMP, K LOGISTICS LLC | | | SCAC4 |
| 7 | KKLO | KRIKELO SHIPPING S A | | | SCAC4 |
| 8 | KKLT | KOUNKEL TRUCKING LLC | | | SCAC4 |
| 9 | KKLU | KAWASAKI KISEN KAISHA LTD - K LINE | | J | BIC |
| 10 | KKLU | K LINE | | | PWRC |
| 11 | KKLU | K Line | | | RSRV |
| 12 | KKLU | K LINE (KAWASAKI KISEN KAISHA LTD) | | | SCAC3 |
| 13 | KKLU | KAWASAKI KISEN KAISHA LTD | | | SCAC4 |
| 14 | KKLZ | K LINE | | | PWRC |
| 15 | KKLZ | K Line | | | RSRV |
| 16 | KKLZ | K LINE | | | SCAC4 |
