| Name | Deductibility Code |
| Agape Center of Michigan | -- |
| Autism Foundation of Ingham County | -- |
| Axemen | -- |
| Cathy Ellsworth Memorial Scholarship Fund Inc. | -- |
| Clan Maccallum-Malcolm Society of North America Inc. | -- |
| Covenant Life Fellowship | -- |
| Eyster Charitable Family Foundation | 4 |
| Faerie Tales Cat Rescue | -- |
| Family Matters Inc. | -- |
| Friends of Historic Williamstown | -- |
| Harris Development Center | -- |
| Haslett Soccer Club | -- |
| Kitten Nursery Inc. | -- |
| Michigan Nature Association | -- |
| Oneness Foundation | -- |
| Praise Fellowship | -- |
| Rcra Youth Sports Boosters Inc. | -- |
| Saint Katherines Episcopal Church Endowment Fund | -- |
| Saluki Health Research | -- |
| Soundsgood Ministries | -- |
| Superior Communications | -- |
| Virginia Zynda Family Foundation | 4 |
| Williamston Area Beautification Fund | -- |
| Williamston Area Senior Center | -- |
| Williamston Baseball Boosters | -- |
| Williamston Basketball Club | -- |
| Williamston Community Library Foundation | -- |
| Williamston Creative Minds Boosters | -- |
| Williamston Depot Museum | -- |
| Williamston Food Bank Inc. | -- |
| Williamston Football Boosters | 4 |
| Williamston Schools Foundation | -- |
| Williamston Soccer Boosters Wsb | -- |
| Williamston Sunrise Rotary Foundation | -- |
| Williamston Suns | -- |
| Williamston Tennis Boosters | -- |
| Williamston Theatre Project | -- |
| Williamston Track Improvement Committee | -- |
| Williamston Volleyball Boosters | -- |
| Williamston Warriors Baseball | -- |
| Williamston Youth Sports Inc. | -- |