| Carrier Code | Carrier Name |
| 31ST | QUEENSWAY NAVIGATION |
| 31SU | CITY OF YOKOHAMA-PORT AND HARBOR BUREAU |
| 31SV | SEOWOO SHIPPING CO.,LTD. |
| 31SW | EIRI SHIPPING CO.,LTD |
| 31SX | ASTOMOS ENERGY CORPORATION |
| 31SY | FR8 SINGAPORE PTE LTD. |
| 31SZ | VICTORIA SHIP MANAGEMENT INC. |
| 31TA | N.S.P. THAITAPIOCA COMPANY LIMITED |
| 31TB | MORRYBPROM CO LTD |
| 31TC | PORTOLAN SHIPPING LIMITED. |
| 31TE | NYK LNG(ATLANTIC)LIMITED |
| 31TF | HEARTLAND FERRY CO.,LTD |
| 31TG | LOT OCEAN TRANSPORT INC., |
| 31TH | KWANGYANG MARINE CO,. LTD. |
| 31TI | TERAOKA SHOJI INC. |
