| Name | Deductibility Code |
| Abilities Fund | -- |
| Academy of Basic Concepts and Development Inc. | -- |
| Appanoose All Play Inc. | -- |
| Appanoose Community Care Services Inc. | -- |
| Appanoose Conservation Foundation | -- |
| Appanoose County Coalition for the Arts | -- |
| Appanoose County Day Care Inc. | -- |
| Appanoose County Foundation | -- |
| Appanoose County Genealogical Society | -- |
| Appanoose County Girls Softball Inc. | -- |
| Appanoose County Historical Society | -- |
| Appanoose County Historical Society | -- |
| Appanoose County United Way | -- |
| Appanoose County Water Rescue Team | -- |
| Appanoose Family Alliance Inc. | -- |
| Caare Inc. | -- |
| Centerville Community Betterment Inc. Zylpha Price House | -- |
| Centerville Community Schools Foundation | -- |
| Centerville Volunteers Fire Fighters Association | 4 |
| Chariton Valley Resource Conservation and Development Inc. | -- |
| Curtain Up Inc. | 4 |
| Exline Community Betterment Association | -- |
| First Church of the Open Bible | -- |
| Friends of the Drake Public Library | -- |
| Grow Centerville | -- |
| Hope Pregnancy Center Inc. | -- |
| Iowa Able Foundation | -- |
| Little Flock Chapel and Crossroads Cemetery Association | -- |
| New Focus Foundation Inc. | -- |
| New Focus Inc. | -- |
| New Hope Counseling Center | -- |
| Precious Angels | -- |
| Rathbun Area Mental Health Center | -- |
| Rathbun Lake Area YMCA | -- |
| Rathbun Land and Water Alliance Inc. | -- |
| Rathbun Lighthouse Society | -- |
| Reaching All People Together | -- |
| The Appanoose County Ministerial Association | -- |
| Tower Ministries Inc. | -- |