| Abbreviation | Definition |
|---|---|
| SCVB | Scania Aktiebolag Class B |
| SCX | L. S. Starrett Company |
| SCZ | Security Capital Group, Inc. |
| SCZA | Security Capital Group, Inc. Class A |
| SDC | Santa Fe International Corporation |
| SDH | SODEXHO Marriott Services, Inc. |
| SDP | SunSource, Inc. |
| SDS | Sungard Data Systems, Inc. |
| SDW | SouthDown, Inc. |
| SDX | Sodexho Alliance, SA, American Depositary Receipts |
| SE | Sterling Communications, Inc. |
| SEC | Specialty Equipment Companies, Inc. |
| SEE | Sealed Air Corporation |
| SEEPA | Sealed Air Corporation Preferred |
| SEG | Seagate Technology |
| SEH | Spartech Corporation |
| SEI | Seitel, Inc. |
| SEL | Seligman Select Municipal Fund, Inc. |
| SEM | General Semiconductor, Inc. |
| SEN | Semco Energy, Inc. |