| Abbreviation | Definition |
|---|---|
| SCCX | SCC Communications Corporation |
| SCDO | Scioto Downs, Inc. |
| SCEP | Medisys Technologies, Inc. |
| SCES | Successories, Inc. |
| SCFS | Seacoast Financial Services |
| SCHID | Simione Central Holdings, Inc. |
| SCHL | Scholastic Corporation |
| SCHN | Schnitzer Steel Industries, Inc. |
| SCHPY | South China Morning Post |
| SCHR | Scherer HealthCare, Inc. |
| SCHS | School Specialty, Inc. |
| SCII | Sensar Corporation |
| SCIL | Scientific Learning Corporation |
| SCIO | Scios, Inc. |
| SCIX | Scitex Corporation, LTD. |
| SCKT | Socket Communications, Inc. |
| SCKT | Socket Mobile, Incorporated |
| SCLN | Sciclone Pharmaceuticals, Inc. |
| SCLN | SciClone Pharmaceuticals, Incorporated |
| SCLPE | Smith Collins Pharmaceuticals, Inc. |