| Name | Deductibility Code |
| Ahead Inc. | -- |
| Air Power Museum Inc. | -- |
| American Home Finding Association | -- |
| American Home Finding Endowment Fund for Children | -- |
| Association of Kerala Medical Graduates Humanitarian Services | -- |
| Chief Wapello Trail Committee Inc. | 5 |
| Chisman Cemetery Association | 6 |
| Christ Liberty Church | -- |
| Court Hill Preservation Association | -- |
| Crisis Center & Womens Shelter Inc. | -- |
| Ecumenical Lords Cupboard | -- |
| Edward J and Agnes Kurtz Hose Charitable Trust | 4 |
| Edward J Schwartz Perpetual Educational Tr Fund | 4 |
| Food Bank of Southern Iowa Inc. | -- |
| Friends of Iowa Casa and Icfcrb | -- |
| Gateway Singers Ministry | -- |
| Gospel of Christ Pentecostal Assemblies of Ottumwa Iowa | -- |
| Greater Opportunities Through Human Improvement Corporation | -- |
| Greater Ottumwa Vocal Arts Project Inc. | -- |
| Gus Macker-Ottumwa | -- |
| Heartland Boot Scooters Western Dance Club | -- |
| Heartland Humane Society Ltd. | -- |
| Heartland Pregnancy Center | -- |
| Hospice | -- |
| Indian Hills Community College Development Inc. | -- |
| Indian Hills Community College Foundation | -- |
| Indian Hills Community College Warrior Club Inc. | -- |
| Izaak Walton League Ottumwa Chapter | -- |
| Jubilee Bible Church of Ottumwa | -- |
| Lava Lounge Christian Youth Center | -- |
| Living Water Farms Christian Camp and Conference Center | -- |
| Midwestern School of Evangelism | -- |
| Ottumwa Area Arts Council | -- |
| Ottumwa Athletic Club Inc. | -- |
| Ottumwa Christian School | -- |
| Ottumwa Civic Music Association | -- |
| Ottumwa Community Outreach Ministry Inc. | -- |
| Ottumwa Community Players Inc. | -- |
| Ottumwa High School Music Boosters Inc. | -- |
| Ottumwa Hospital Endowment Trust Fund | -- |
| Ottumwa Progress Inc. | -- |
| Ottumwa Public Library Foundation | -- |
| Ottumwa Public Library Friends Inc. | -- |
| Ottumwa Regional Health Center Inc. | -- |
| Ottumwa Regional Health Foundation Incorporated | -- |
| Ottumwa Symophony Orchestra | -- |
| Ottumwa Tactical Officers Association | -- |
| Ottumwa Teen Center | -- |
| Peter G Ballingall Estate | 4 |
| Pleasant Corners Cemetery Assn Inc. | 6 |
| Regional Economic Development Investments Inc. | -- |
| Regional Retirement Living Inc. | -- |
| Retired Senior Volunteer Program | -- |
| River Hills Community Health Center Inc. | -- |
| Robert F Kennedy-Martin Luther King Memorial Fund Inc. | -- |
| Seneca Area Agency on Aging | -- |
| Sharon Bluffs Bible Camp of the Churches of Christ | -- |
| Shekinah Faith Center | -- |
| Southeast Iowa Donors Inc. | -- |
| Southern Iowa Economic Development Association | -- |
| Southern Iowa Family Planning Clinic Incorporated | -- |
| Swedish American 1mmigrant Monument Commission | -- |
| Tenco Foundation Inc. | -- |
| Tenco Industries Inc. | -- |
| True Power and Strength Ministries | -- |
| United Way of Wapello County Iowa Inc. | -- |
| Victory Ranch | -- |
| Wapello County 4 H Foundation Inc. | -- |
| Wapello County 4-H Exposition Inc. | -- |
| Wapello County Area Agency on Aging | -- |
| Wapello County Council for the Prevention of Child Abuse-Neglect | -- |
| Wapello County Foundation | 4 |
| Wapello County Historical Society | -- |
| Wapello County Rural Volunteer Fire Department | -- |
| Wapello County Sheriffs Posse Inc. | -- |
| Wapello County Trails Council | -- |
| Workingmans Christmas Party Committee -for Needy Children- | -- |
| Young Mens Christian Association of Ottumwa Iowa | -- |
| Zachary Yates Memorial Foundation Ltd. | 4 |