| Name | Deductibility Code |
| Cascade Area Resources for Education | -- |
| Cascade Band Boosters | -- |
| Cascade Community Enhancement Corp | -- |
| Cascade Cycling Club Inc. | -- |
| Cascade Elementary Parent Teacher Organization | -- |
| Cascade High School Booster Club | -- |
| Cascade Interpreter | 4 |
| Cougar Poms Spirit Boosters Inc. | -- |
| Dubuque Jo Daviess Crime Stoppers | -- |
| Tri County Historical Society | -- |