| Carrier Code | Carrier Name |
| TANU | TACON |
| TASU | TASTET |
| TATU | TITANIC LTD |
| TAUM | TAURUS MARINE LINE |
| TAXU | TRAC LEASE INC |
| TBAB | TRANSBULK A B |
| TBAO | TUBARAO BULK CARRIERS INC |
| TBCU | THE BOEING COMPANY |
| TBLS | TIBLISI SHIPPING CO LTD |
| TBLW | TIDEWATER BARGE LINES INC |
| TBNA | TBS NORTH AMERICAN LINER LTD YONKERS NY |
| TBSA | TEETERS BROTHERS STEAMSHIP AGENTS & STEVEDORING |
| TBVU | TRADING BUREAU VINK |
| TCBB | TRANSCARIBBEAN MARITIME CORP |
| TCBF | TRANSCARIBE FREIGHT CORP |
