| Abbreviation | Definition |
|---|---|
| UCCI | United Construction Co Inc |
| UCCI | United Construction Company Inc |
| UCCL | United Constructors Contracting Co Ltd |
| UCDC | Union County Development Corporation |
| UCEC | Utility Control Equipment Corporation |
| UCEL | Urban Construction Equipment Ltd |
| UCEP | United Company for Electrical Projects |
| UCFAA | University of Central Florida Athletics Association, Inc. |
| UCFC | United Community Financial Corp |
| UCFS | United Consumer Financial Services |
| UCG | Unique Corporate Gifts |
| UCG | United Communications Group |
| UCH | United Continental Holdings |
| UCH | Universal Creations Headquarters |
| UCHC | UCompareHealthCare |
| UCHC | Union Cement Holdings Corporation |
| UCI | University Circle Inc |
| UCI | University Circle Incorporated |
| UCI | Urban Consultants, Inc. |
| UCIC | Unified Computer Intelligence Corporation |