| Carrier Code | Carrier Name |
| MTIU | MILLER TRANSPORTERS INC |
| MTRU | MARTEC INTERNATIONAL TRADING CORP |
| MTYW | MATILDE TANKER CORPORATION |
| MUIO | MED UNION CONTAINERS A S |
| MULB | MULLER BOAT CO |
| MUMU | MULTIMODAL TRANSPORT EQUIPMENT GMBH |
| MUSU | MULTITRADE CONTAINER SERVICES LTD |
| MUTT | MUTUAL TRANSPORT CORP |
| MUTU | MUTUALISTA ACOREANA SARL |
| MVCC | M/V CONSTRUCTOR COMPANY |
| MVCN | M V CONSTRUCTOR CO |
| MVDS | MOSVOLDS REDERI |
| MVEA | MARAVEN S A |
| MVGM | M V GUMPTION |
| MVNV | MAVAL NAVIGATION CO LTD |
