| Abbreviation | Definition |
|---|---|
| SCRES | South Central Railway Employees Sangh |
| SCRF | South Carolina Central Railroad |
| SCRM | South Carolina Railroad Museum |
| SCRR | South Carolina Rail Road |
| SCRR | Spring Creek RailRoad |
| SCRR | St. Croix RailRoad |
| SCRW | Seaway Commercial Railway |
| SCRX | Santa Clarita Railway - James Clark and Company |
| SCRX | Santa Clarita Railway (James Clark and) |
| SCST | Seaboard Transportation (CSX Transportation) |
| SCST | Seaboard Transportation Company |
| SCSX | CITI Group/ Capital Finance Incorporated |
| SCSX | Southern Company Services (CIT Group) |
| SCT | Sioux City Terminal Railway |
| SCTR | South Central Tennessee Railroad |
| SCTU | Shirlstar Container Transport Limited |
| SCVU | Scvu |
| SCWX | South Carolina Public Service Authority |
| SCWZ | Sea Containers |
| SCWZ | Sea Containers, LTD. |