| Name | Deductibility Code |
| Abundant Life Ministries | -- |
| Bell Tower Community Foundation | -- |
| Benevolent Patriotic Order of Does of the United States of America | 1,2,6 |
| Beta Tau Delta Sorority | -- |
| Dora L Mahanay Educational Trust | 4 |
| Dorothy Hess Memorial Tr | -- |
| Environmental Habitat Corporation | -- |
| Greene County Cares Inc. | -- |
| Greene County Christian Action Resource Center Inc. | -- |
| Greene County Early Learning Center | -- |
| Greene County Iowa Historical Society | -- |
| Greene County Medical Center Foundation | -- |
| Greene County Youth Athletic Association Inc. | -- |
| Home State Bank Charitable Foundation | 4 |
| J Bruce Brolsma Educational Trust | -- |
| Jefferson Community Betterment Foundation | 4 |
| Jefferson Community School District Foundation | -- |
| Jefferson Gospel Church | -- |
| Outdoor Gospel Mission | -- |
| Pace | -- |
| Panorama Scholarship Foundation Inc. | 4 |
| People for Animal Warefare Society Inc. | -- |
| Rotary International | -- |
| Warren Raney Scholarship Fund | 4 |