| Abbreviation | Definition |
|---|---|
| SYTI | Syntech International, Inc. |
| SYTI | Syntech International, Incorporated (de-listed) |
| SYTI | Syntech International, Incorporated (de-listed) |
| SYXI | I X Y S Corporation |
| SYYS | SYS Technologies (delisted - now SYS on AMEX) |
| SZIP | SilverZipper.Com, Inc. |
| SZIP | SilverZipper.Com, Incorporated (de-listed) |
| SZIP | SilverZipper.Com, Incorporated (de-listed) |
| TABS | Talbot Bancshares, Inc. |
| TABS | Talbot Bancshares, Incorporated (de-listed) |
| TABS | Talbot Bancshares, Incorporated (de-listed) |
| TACO | Del Taco Restaurants, Incorporated (formerly Taco Cabana, Incorporated) |
| TACO | Del Taco Restaurants, Incorporated (formerly Taco Cabana, Incorporated) |
| TACO | Taco Cabana, Inc. |
| TACT | TransAct Technologies Incorporated |
| TACT | Transact Technologies, Inc. |
| TACX | A Consulting Team, Inc. |
| TAES | Teletrak Environmental Sy |
| TAES | Teletrak Environmental Systems (de-listed) |
| TAES | Teletrak Environmental Systems (de-listed) |