| Name | Deductibility Code |
| Church of Christ of Sigourney Incorporated | -- |
| Community Health Action Partnership | -- |
| Dumonts Museum of Dream World Collectibles | -- |
| First Resources Corp | -- |
| Friends of the Sigourney Public Library | -- |
| Hospice of Keokuk County Inc. | -- |
| Keokuk County Arts Council | -- |
| Keokuk County Conservation Foundation | 5 |
| Keokuk County Historical Society | -- |
| Lancaster Christian Church | -- |
| Lancaster Heritage Inc. | -- |
| Pleasant Grove Cemetery Association | 6 |
| Saints Peter & Paul Clear Creek Heritage Association | -- |
| Sigourney Education Foundation | -- |