| US Weather Bureau NY Federal Credit Union | New York |
| USX Federal Credit Union | Pennsylvania |
| Utah Community Bank | Utah |
| Utah Community Federal Credit Union | Utah |
| Utah Federal Credit Union | Utah |
| Utah First Federal Credit Union | Utah |
| Utah Heritage Credit Union | Utah |
| Utah Independent Bank | Utah |
| Utah Power Credit Union | Utah |
| Utah Prison Employees Credit Union | Utah |
| UT Federal Credit Union | Tennessee |
| Utica District Telephone Employees Federal Credit Union | New York |
| Utica Gas & Electric Employees Federal Credit Union | New York |
| Utica Police Department Federal Credit Union | New York |
| Utilities Credit Union | Wisconsin |
| Utilities Employees Credit Union | Pennsylvania |
| Utility District Credit Union | California |
| Utility Employees Federal Credit Union | Washington |
| UTU Federal Credit Union | Ohio |
| UVA Community Credit Union | Virginia |
| Uwharrie Bank | North Carolina |