| Abbreviation | Definition |
|---|---|
| STOPE | Stone Container Corporation Preferred E |
| STP | Suntech Power Holdings Company, LTD. |
| STR | Questar Corporation |
| STT | State Street Corporation |
| STU | The Student Loan Corporation |
| STV | China Digital TV Holding Company, LTD. |
| STW | Standard Commercial Corporation |
| STX | Snyder Strypes Trust |
| STZ | Constellation Brands Inc. |
| SU | Suncor Energy, Inc. |
| SUA | Abbey National, PLC |
| SUB | Summit Bancorp |
| SUD | Abbey National, PLC |
| SUG | Southern United Company |
| SUGPA | Southern Union Financing I |
| SUI | Sun Communities, Inc. |
| SUN | Sunoco, Inc. |
| SUP | Superior Industries International, Inc. |
| SUR | CNA Surety Corporation |
| SUS | Storage USA, Inc. |