| Name | Deductibility Code |
| 14th Apostle Inc. | -- |
| Cope Inc. | -- |
| Dairy Business Innovation Center Inc. | -- |
| Delavan Cemetery Association | 6 |
| Delavan Christian School Society Incorporated | -- |
| Delavan Darien Wrestling Club | -- |
| Delavan Historic Preservation & Art Society Inc. | -- |
| Delavan Historical Society | -- |
| Delavan Lake Sailing School | -- |
| Delavan Rescue Squad Inc. | -- |
| Delavan Rotary Gardens Foundation Inc. | -- |
| Delavan Soccer Club Inc. | -- |
| Delavan-Darien Friends of the Visual and Performing Arts Inc. | -- |
| Delavan-Darien School District Foundation Inc. | -- |
| Families Fighting Against Crime Together Inc. | 4 |
| Friends of the Aram Public Library Inc. | -- |
| Friends of the Children | -- |
| Harold and Bernice De Weerd Family Foundation Inc. | 4 |
| Help for the Hurting Inc. | -- |
| Holzinger Memorial Foundation | 4 |
| I B T Ministry Enterprises Inc. | -- |
| Iglesia Del Dios Vivo Columna Y Apoyo De La Verdad La Luz | -- |
| Jodie L Scott Foundation Inc. | 4 |
| Kachels Kids Scholarship Fund Inc. | -- |
| Kades Klassic | -- |
| Living Word Christian Fellowship | -- |
| Mary Room Inc. | -- |
| Midwest Word Pastors Association Inc. | -- |
| Namaste Center for Creative Learning Inc. | -- |
| Pathways Support Inc. | -- |
| Paul Joseph Foundation Inc. | 4 |
| Richmond Cemetery Association | 6 |
| Score Inc. | -- |
| South Central Swim Team Inc. | -- |
| Southern Lakes Association of the Deaf | -- |
| Spirit of Light | -- |
| Studio 84 Inc. | -- |
| The Delavan-Darien Athletic Booster Club | -- |
| United Way of Delavan Darien Inc. | -- |
| Walworth County Alano Clubs Inc. | -- |
| Walworth County Autonomous Collective of Thespians | -- |
| Walworth County Emergency Homeless Shelter Inc. | -- |
| Walworth County Genealogical Society Inc. | -- |
| Walworth County Lakes Association Inc. | -- |
| Walworth-Rock County Sdc Project Association | -- |
| Wisconsin Elks Benevolent Fund Inc. | -- |
| Wisconsin School for the Deaf Foundation Inc. | -- |
| Worthless Lots Land Conservancy Inc. | -- |