| Carrier Code | Carrier Name |
| SMII | SUMMER MARITIME S A |
| SMLU | SEABOARD MARINE LTD |
| SMNU | SUMITRANS CORP |
| SMRU | SO MA RE |
| SMUP | SEAMOUNT SHIPPING INC |
| SMWQ | SIMWARD COMPANY S A |
| SNAU | SPANISH NORTH AMERICAN LINE |
| SNCG | SOUTHERN & CARRIBEAN AGENCY INC |
| SNIU | STOLT TANK CONTAINERS LEASING |
| SNIW | SHIPPING & INTERNATIONAL TRADING S A M |
| SNJG | SINJER SHIPPING LTD |
| SNJH | SMITH & JOHNSON (HOU) INC |
| SNJS | SMITH & JOHNSON SHIPPING INC |
| SNMM | SNAM SPA |
| SNMR | SUNCOAST MARITIME LTD |
