| Carrier Code | Carrier Name |
| 31GI | DAITOMO CORPORATION. |
| 31GM | DALIAN OCEAN SHIPPING COMPANY |
| 31GN | DYNACOM TANKERS MANAGEMENT LTD |
| 31GO | ENOC SINGAPORE |
| 31GR | KINGFISH SERVICES LTD. |
| 31GT | STANDARD TANKERS BAHAMAS LTD. |
| 31GW | SSANGYONG SHIPPING CO., LTD. |
| 31GX | KAMBARA KISEN COMPANY |
| 31GZ | PACIFIC BASIN SHIPPING LTD. |
| 31HB | HSIN CHIEN MARINE CO.,LTD. |
| 31HD | HOLCIM CTC TRADING FZCO |
| 31HG | TRANS RUSSIA AGENCY JAPAN |
| 31HI | NSC.,LTD |
| 31HJ | JAPAN AGENCY FOR MARINE-EARTH AND TECHNOLOGY |
| 31HK | CRYSTAL CRUISES INC. |
