| Abbreviation | Definition |
|---|---|
| UGTC | United Gas Transmissions Company |
| UGW | Ultimate Garage Works |
| UGW | Universal Gifts and Wicker Canada |
| UH | Unity Hotel |
| UH | Universal Hovercraft |
| UH | Unterberg And Heilinle |
| UHB | UDA Holdings Berhad |
| UHC | Ultimate Holding Company |
| UHC | Unicorn Hobby Corporation |
| UHC | United HealthCare |
| UHC | United Hitech Corporation |
| UHC | Utah Housing Corporation |
| UHD | Universal Hi-Tech Development |
| UHG | UnitedHealth Group |
| UHG | Urology Healthcare Group |
| UHI | Universal Helicopters Inc |
| UHI | Utah Health Informatics |
| UHM | United Heavy Machinery |
| UHN | University Health Network |
| UHP | United Health Partnership |