| Carrier Code | Carrier Name |
| 31RJ | MUR SHIPPING DENMARK A/S. |
| 31RK | KOBE MARINE OBSERVATORY |
| 31RM | DESIRE SHIPPING CO. |
| 31RO | HAIDONG MARINE CO.,LTD. |
| 31RP | SHINWA CHEMICAL TANKER CO.,LTD. |
| 31RQ | HEIWA KISEN KAISHA丆LTD. |
| 31RR | CSSA CHARTERING AND SHIPPING SERVECES SA |
| 31RS | MILD MARINE CORPORATION |
| 31RT | HSJ CO.,LTD. |
| 31RU | NIKKOH COMMERCE CO.,LTD. |
| 31RV | UNIGAS KOSAN LIMITED |
| 31RW | PHOENIX TANKERS PTE LTD. |
| 31SA | SHANGHAI SINOCHEM-STOLT SHIPPING LTD. |
| 31SB | TSRUI SUISAN CO.,LTD. |
| 31SC | FAIRFIELD JAPAN LTD. |
