| Abbreviation | Definition |
|---|---|
| UTCL | Utah Clay Technology, Incorporated (de-listed) |
| UTCL | Utah Clay Technology, Incorporated (de-listed) |
| UTCR | Utilicore Corporation |
| UTDL | United Leisure Corporation |
| UTEK | UltraTech Stepper, Inc. |
| UTGI | United Trust Group, Inc. |
| UTHR | United Therapeutics Corporation |
| UTIS | Utics Corporation |
| UTLX | U T I L X Corporation |
| UTMD | Utah Medical Products, Inc. |
| UTRG | Uptown Restaurant Group, Inc. |
| UTRX | Unitronix Corporation |
| UTSI | UTStarcom, Inc. |
| UTTC | United Textiles & Toys Corporation |
| UTVI | United Television, Inc. |
| UTYW | Unity Wireless Corporation |
| UUBS | Union Bankshares, Inc. |
| UVEW | Uniview Technologies Corporation |
| UVFB | Universal Financial Bank Co., Ltd. |
| UVGI | United Ventures Group, Inc. |