| Abbreviation | Definition |
|---|---|
| UEC | Uni Excursionista de Catalunya |
| UEC | United Educational Corporation |
| UEC | United Engine Corporation |
| UEC | United Entertainment Corp |
| UED | Union Electronic Distributors |
| UED | UniSource Energy Development Company |
| UED | Used Equipment Directory |
| UED | Utility Equipment Division |
| UEDC | Unity Economic Development Corporation |
| UEDC | Uptown Entertainment and Development Corporation |
| UEDC | Uptown Entertainment Development Corporation |
| UEDI | Ultra Electronics Defense Inc |
| UEE | Unit Electrical Engineering, Ltd. |
| UEG | Ultimate Entertainment Group |
| UEG | Union Entertainment Group, Inc. |
| UEG | Usina Eléctrica a Gas de Araucaria |
| UEH | Ultimate Edge & Hardscapes Company |
| UEI | Universal Electronics, Inc. |
| UEI | Universal Engraving Inc |
| UEI | Universal Ensco, Inc. |