| Carrier Code | Carrier Name |
| SISA | SANDPIPER INTERNATIONAL STEAMSHIP AGENCIES |
| SISI | SEA ISLAND SHIPPING INC C/O METROFIN LTD SHIP OPERATIONS |
| SISJ | SOMERS ISLES SHIPPING LIMITED |
| SITU | SOCIETE IVOIRENNE DE TRANSPORT MARITIME |
| SIUU | SIUS DI NAVIGAZIONE SPA |
| SIVU | SIVOMAR B P |
| SJNS | SUTCLIFFE, JOHN & SON (GRIMSBY) LTD |
| SJOS | SAN JUAN OCEAN SERVICES INC |
| SJXC | SEAJET EXPRESS CONTAINER LINE LTD |
| SKBK | SKIBSAKSJESELSKAPET SOLVANG ASA |
| SKCJ | SKYTRUCK CONTAINER LINES |
| SKGP | SKAUGEN PETROTRANS LTD |
| SKHK | SKY TREASURE SHIPPING & ENTERPRISES CO LTD |
| SKHM | STOCKHOLM CHARTERING AB |
| SKHW | SASKATCHEWAN SHIPPING CORPORATION |
