| Abbreviation | Definition |
|---|---|
| USTI | United Systems Technology, Incorporated (de-listed) |
| USTK | U.S. Trucking, Incorporated (de-listed) |
| USTK | UcS Trucking, Inc. |
| USTL | USTel, Inc. |
| USTL | USTel, Incorporated (de-listed) |
| USTL | USTel, Incorporated (de-listed) |
| USTR | United Stationers, Inc. |
| USTR | United Stationers, Incorporated (de-listed) |
| USTR | United Stationers, Incorporated (de-listed) |
| USTT | U S A Technologies, Inc. |
| USTT | USA Technologies, Incorporated (de-listed) |
| USTT | USA Technologies, Incorporated (de-listed) |
| USTTP | U S A Technologies Inc |
| USTTP | USA Technologies Incorporated (de-listed) |
| USTTP | USA Technologies Incorporated (de-listed) |
| USTX | Uustman Technology, Inc. |
| USTX | Uustman Technology, Incorporated (de-listed) |
| USTX | Uustman Technology, Incorporated (de-listed) |
| USVI | U S Vision, Inc. |
| USVI | US Vision, Incorporated (de-listed) |