| Name | Deductibility Code |
| Adolph and Esther Vestergaard Memorial Scholarship Fund Trust | 4 |
| Agrisafe Network Inc. | -- |
| Albers Family Foundation | 4 |
| Artslive | -- |
| Birthright of Spencer Iowa | -- |
| Calvary Bible Church | -- |
| Center Against Abuse Sexual Assault Caasa | -- |
| Clay County Citizens Awareness Council Incorporated | -- |
| Clay County Council on Aging | -- |
| Clay County Fair Charitable Trust | -- |
| Clay County Law Foundation | -- |
| Clay County Local Housing Trust Fund Inc. | -- |
| Clay County Pals Inc. | -- |
| Community Housing Initiatives Inc. | -- |
| Compass Pointe | -- |
| Crimestoppers of Clay County Inc. | -- |
| Davenport Manor Inc. | -- |
| Dvergsten Charitable Foundation | 4 |
| Eastwood of Ames Inc. | -- |
| First Congregational Church of Spencer Ia Inc. | -- |
| Follows Fam Charitable Foundation Tr | 4 |
| Friends of Clay County Conservation Foundation Inc. | -- |
| Helping Hands Ministry - Africa Inc. | -- |
| Iowa Great Lakes Wrestling Club | -- |
| Iowa Lakes Initiative | -- |
| Iowa Lakes Resource Conservation & Development Inc. | -- |
| N W Iowa Youth Soccer Alliance | -- |
| Northwest Aging Association | -- |
| Northwest Aging Association Foundation Inc. | -- |
| Northwest Iowa Down Syndrome Society Inc. | -- |
| Northwest Iowa Mental Health Center | -- |
| Patrice and Rita Leary Foundation Inc. | 4 |
| Peak Ministries | -- |
| People for Pets | -- |
| Positively Spencer Youth Inc. | -- |
| Public Benefit Holding Corporation of Spencer Iowa | -- |
| Regional Transit Authority Art | -- |
| Reins of Hope | -- |
| Spencer Alano Inc. | -- |
| Spencer Area Arts Council | -- |
| Spencer Area Arts Foundation | -- |
| Spencer Area Meals on Wheels Inc. | -- |
| Spencer Church of Christ | -- |
| Spencer Community School Foundation | -- |
| Spencer Community Theatre Inc. | -- |
| Spencer Little League Assn | -- |
| Spencer Main Street Company | -- |
| Spencer Public Library Municipal Trust | -- |
| Spencer Regional Healthcare Foundation | -- |
| Spencer Tailtwister Booster Club | -- |
| Sunshine Services Inc. | -- |
| Turning Point Community Church Inc. | -- |
| United Way of Spencer | -- |
| Universal Life Church | -- |
| Veterans Memorial of Spencer Iowa I Inc. | -- |
| Victory Christian Outreach Inc. | -- |
| Young Mens Christian Association of Spencer Iowa | -- |