| Carrier Code | Carrier Name |
| MVUR | MARINE VENTURES SHIPPING LTD |
| MWHL | MADRIGAL-WAN HAI LINES CORP |
| MWHU | MITSUI WAREHOUSE CO LTD, THE |
| MWOU | MIDWEST OCEAN LINES |
| MWQT | MIDWEST TRANSATLANTIC LINES INC |
| MXCP | MUTUAL EXPORT CORPORATION |
| MYBK | MAYBANK SHIPPING COMPANY |
| MYCN | MALAYA COMPANIA NAVIERA S A |
| MYET | MAYER TRADING COMPANY - LIBERIA |
| MYLU | MAYAN LINE INC |
| MYNC | MYLAN COMPANY S A |
| MZMA | MENTZ MARITIME CONSULTANTS INC |
| NACU | NAVIGAZIONE ALGA |
| NAFM | NAF MARITIME CONSULTANT INC |
| NAIG | NAVIGAZIONE ALTA ITALIA S P A |
