| Company | Website | City/State | Country |
|---|---|---|---|
| UniSource Energy Corporation | Visit Us | Tucson, AZ | UNITED STATES |
| United Electric Cooperative (PA) | Visit Us | DuBois, PA | UNITED STATES |
| United Power Inc. | Visit Us | Brighton, CO | UNITED STATES |
| Upson County Electric Membership Corporation | Visit Us | Thomaston, GA | UNITED STATES |
| Utilities Board of the City of Andalusia | Visit Us | Andalusia, AL | UNITED STATES |
| Utility Shared Services Corporation | Visit Us | New Gloucester, ME | UNITED STATES |
