| Carrier Code | Carrier Name |
| 31MX | UNICOM MANAGEMENT SERVICE (CYPRUS)LTD. |
| 31MY | PRISCO (SINGAPORE) PTE LTD. |
| 31MZ | NIPPON MARINE ENTERPRISES, LTD. |
| 31NA | HANJIN OVERSEAS TANKER,PTE.LTD. |
| 31NB | NIPPON STEEL SHIPPING CO.,LTD. |
| 31NC | NIPPO MARINE CO.,LTD. |
| 31ND | K.S.YANASE MARINE CO.,LTD. |
| 31NI | THE GREAT EASTERN SHIPPING CO.,LIMITED |
| 31NJ | ARAMO SHIPPING (SINGAPORE) PTE LTD |
| 31NK | HBS JAPAN CO LTD |
| 31NL | PACIFIC BASIN IHC LTD. |
| 31NM | ATLANTIC BULK CARRIERS MANAGEMENT LTD. |
| 31NN | ST SHIPPING & TRANSPORT PTE LTD. |
| 31NP | MITSUBISHI CHEMICAL CO. |
| 31NQ | SANSTAR LINE CO., LTD |
