| Name | Deductibility Code |
| Adopted Acres | -- |
| Alcohol Problems Council of Wisconsin Incorporated | -- |
| Big Brothers Big Sisters of Green County Inc. | -- |
| Ding-A-Dong Nursery School Inc. | -- |
| Forum Inc. | -- |
| Fowler Memorial Free Dental Clinic Inc. | -- |
| Friends of the Monroe Public Library Inc. | -- |
| Green County Crime Stoppers Program Inc. | -- |
| Green County Family YMCA Inc. | -- |
| Green County Food Pantry Inc. | -- |
| Green County Historical Society | -- |
| Green County Humane Society Inc. | -- |
| Green Haven Family Advocates Inc. | -- |
| Greenco Industries Foundation Inc. | -- |
| Greenco Industries Inc. | -- |
| Greenwood Cemetery Association of Monroe Wi | 6 |
| Harold H Snively Foundation Inc. | 4 |
| Historic Monroe Incorporated | -- |
| Joseph and Alice Beller Acherman Memorial Fund Trust | 4 |
| Kubly Family Foundation Inc. | 4 |
| Lake Winnetka and Sugar River Improvement Association Inc. | -- |
| Literacy Council of Green County Ltd. | -- |
| Living Alternatives Inc. | -- |
| Monroe Area Rebel Soccer | -- |
| Monroe Arts and Activities Center Foundation Inc. | -- |
| Monroe Arts Center Inc. | -- |
| Monroe Badger Foundation Inc. | -- |
| Monroe Baseball Inc. | -- |
| Monroe Cheesemaker Booster Club Inc. | -- |
| Monroe Clinic and Hospital Foundation | -- |
| Monroe Medical Foundation for Research and Education Inc. | -- |
| Monroe Preschool Inc. | -- |
| Monroe Theatre Guild Inc. | -- |
| Nami Green County | -- |
| National Historic Cheesemaking Center Inc. | -- |
| Rainbow Childcare of Monroe Inc. | -- |
| Rebuild Sudan | -- |
| Shire Inc. | -- |
| Society of St. Vincent De Paul of Monroe Inc. | -- |
| Swiss Colony Foundation Inc. | -- |
| Transforming Congregations | -- |
| Turner Hall of Monroe Inc. | -- |
| United Way of Green County Inc. | -- |