| Abbreviation | Definition |
|---|---|
| UEIC | Universal Electronics, Incorporated |
| UELMO | Union Electric Company |
| UEPCP | Union Electric Company Preferred |
| UETN | Universal Technologies, Inc. |
| UFAB | Unifab International, Inc. |
| UFBS | Union Financial Bancshares, Inc. |
| UFCS | United Fire & Casualty Company |
| UFEMQ | Ultrafem, Inc. (in bankruptcy) |
| UFHI | United Financial Holdings, Inc. |
| UFHIP | United Financial Holdings, Inc. |
| UFLY | Seair Group, Inc. |
| UFMG | Universal Manufacturing Company |
| UFPI | Universal Forest Products, Inc. |
| UFPT | U F P ( Ultra Fine Pitch) Technologies, Inc. |
| UFPT | UFP (Ultra Fine Pitch) Technologies, Incorporated |
| UGLF | United Golf Products, Inc. |
| UGLY | Ugly Duckling Corporation (de-listed) |
| UGNE | UniGene Laboratories, Inc. |
| UHAL | M E R C O |
| UHAL | A M E R C O |