| Carrier Code | Carrier Name |
| SDCV | SPEED CARGO SERVICE INC |
| SDGR | SEATRADE GROUP NV |
| SDHP | SEAWARD SHIPPING INC |
| SDLH | SEA & LAND SHIPPING INC |
| SDMU | SHANDONG PROVINCE MARINE SHIPPING CO |
| SDNA | SHERIDAN TRANSPORTATION COMPANY |
| SDPW | SECOND PRODUCTS TANKERS INC |
| SDRB | SONDERBORG REDERIAKTIESELSKAB |
| SDRP | SANDORM SHIPPING LTD |
| SDSU | SOO LINE RAILROAD COMPANY |
| SEAK | SEA DISCOVERY S A |
| SEBG | SOUTHEAST ALASKA BARGE LINES(DIV OF ALASKA MARINE LINES INC) |
| SEBT | SEABOATS INC |
| SEDU | SCHENKER EUROCARGO |
| SEFE | SEA FREIGHT EXPRESS INC |
