| Name | Deductibility Code |
| Acres for Kids | -- |
| Area XIV Agency on Aging | -- |
| Creston Activities Booster Club Inc. | -- |
| Creston Victory Christian Center Inc. | -- |
| Creston Volunteer Fire Department | -- |
| Crossroads Mental Health Center | -- |
| Discovery Kids Preschool Inc. | -- |
| Dudley and Norma Johnson Foundation | 4 |
| Friends of the Creston Public Library | -- |
| Greater Community Healthcare Foundation | -- |
| Greater Community Hospital Auxiliary Enterprises Inc. | -- |
| Green Valley Education Foundation | -- |
| High Lakes Outdoor Alliance | -- |
| Innovative Industries Inc. | -- |
| Iowa 34 Housing Inc. | -- |
| Matura Action Corporation | -- |
| Mayflower Heritage Christian School | -- |
| North Central Rc&D Association Inc. | -- |
| Rural Iowa Crisis Center | -- |
| Solid Rock Ministries of Creston Iowa | -- |
| Southern Iowa Agricultural Boosters | -- |
| Southern Iowa Cog Housing Trust Fund | -- |
| Southern Iowa Development Group Inc. | -- |
| Southern Iowa Resource Conservation and Development Area Inc. | -- |
| Southern Iowa Resources for Families Inc. | -- |
| Southern Prairie YMCA Inc. | -- |
| Southwestern Community College Education Foundation | -- |
| Southwestern Community College Foundation | -- |
| Union County Child Care Center | -- |
| Union County Family Support Council | -- |
| Union County Genealogical Society | -- |
| Union County Historical Society | -- |