| Name | Deductibility Code |
| Alpha XI of Sigma Chi Educational Foundation | -- |
| Michael J Rainen Family Foundation | 4 |
| Midwest Transplant Network Foundation | -- |
| Midwest Transplant Network Inc. | -- |
| Mistler Family Foundation | 4 |
| Musical Theater Heritage Inc. | -- |
| Stephanie Waterman Tennis Foundation | -- |
| Thomas S Watson Supporting Foundation | -- |
| Urban Research Foundation Inc. | -- |
| Watson Family Foundation | 4 |
| Westwood Foundation | -- |
| Youthfront Inc. | -- |