| Carrier Code | Carrier Name |
| 12CV | HOKKAI TRADING CO.LTD. |
| 12CW | KITAKYUSHU UNYU CORPORATION LTD |
| 12CZ | KYOEI KAIUN KAISHA,LTD. |
| 12DA | THE KYOEI TANKER CO.LTD |
| 12DB | KEIHOKU SHIPPING CO.,LTD. |
| 12DC | KYODO KAIUN CO.,LTD. |
| 12DD | KOYO KAIUN CO., LTD. |
| 12DE | KYOWA SHIPPING CO.LTD. |
| 12DG | AST INC. |
| 12DL | KUMAZAWA KAIUN CO.LTD . |
| 12DN | GRAND SEALINE CO.,LTD. |
| 12DZ | KOBE SHIPPING CO,LTD. |
| 12ED | KOBE NAVIGATION CO.LTD |
| 12EE | KOBE NAVIGATION SERVICES CO.,LTD. |
| 12EJ | KOYO CO.LTD. |
