| Carrier Code | Carrier Name |
| 31DM | DOLE JAPAN LTD. |
| 31DO | QATAR LIQUEFIED GAS CO.,LTD. |
| 31DS | SKY OCEAN MERCHANT CO.,LTD. |
| 31DT | TRI-NET JAPAN INC.,TOKYO |
| 31DW | CARIM MARITIME CORPORATION |
| 31DX | SHINCHANG SHIPPING CO.,LTD. |
| 31DY | S&B SHIPPING CO.,LTD. |
| 31DZ | NISHINIHON KISEN CO.,LTD. |
| 31ED | TIME SHIPPING CO.,LTD |
| 31EH | CHANGHAE SHIPPING CO.,LTD |
| 31EN | SEIBU TANKER CO.,LTD |
| 31EO | DONG YANG SHIPPING CO.,LTD. |
| 31EP | PUKWAN FERRY CO.,LTD. |
| 31ER | DAXIN PETROLEUM PTE LIMITED |
| 31ES | YUGEN KAISHA KATSUHO SUISAN |
