| Name | Deductibility Code |
| 98 Hockey Boosters | -- |
| Actors Workshop | -- |
| Ambrosiani Foundation | 4 |
| Capital City American Baseball League | -- |
| Cristina Porco Foundation | -- |
| Daca Foundation | -- |
| De Witt Memorial Association | -- |
| Dewitt Area Community Fund | -- |
| Dewitt Band Boosters | -- |
| Dewitt Christian Church | -- |
| Dewitt Dugout Club | -- |
| Dewitt Futbol Club | -- |
| Dewitt High School Dramatic Arts Stagehands | -- |
| Dewitt High School Panthers Football Touchdown Club | -- |
| Dewitt Junior Panthers | -- |
| Dewitt Lacrosse Inc. | -- |
| Dewitt Prime Time Inc. C/O Prime Time Preschool | -- |
| Dewitt Public Schools Foundation | -- |
| Dewitt Schools Booster Club Inc. | -- |
| Dewitt Swim Club Inc. | -- |
| Dewitt Youth Baseball-Softball Association | -- |
| Dewitt-St Johns Hockey Association | -- |
| Educational Foundation for A Free World | 4 |
| Friends of the Dewitt Public Library | -- |
| Friends of the Looking Glass River Watershed Council Inc. | -- |
| Great Lakes Energy Service | -- |
| Living Well Organization | -- |
| Mount Zion Institute for New Growth | 4 |
| National Education Association University | -- |
| National Samoyed Rescue Trust | -- |
| Northpointe Community Church | -- |
| Our Lady of Fatima Rosary Prayer Group | -- |
| Sierrarose Farms Healing Hearts With Horses Foundation | -- |
| Three Ponds Scholarship Inc. | -- |
| To God Be the Glory Church Incorporated | -- |
| Treasures to Grow on Inc. | -- |
| Warriors for Christ Inc. | -- |