| Name | Deductibility Code |
| Alumni Association of the University of Mississippi | -- |
| Applied Computational Electromagnetics Society | -- |
| Conference Group for Central European History | -- |
| Croft Institute for International Studies | -- |
| Grace Family Life Outreach Center | -- |
| Mississippi Common Fund Trust | 4 |
| Mississippi Law Journal | -- |
| North Mississippi Education Consortion | -- |
| University of Mississippi | -- |
| University of Mississippi Educational Building Corporation | -- |
| University of Mississippi Foundation | -- |
| University of Mississippi Research Foundation | -- |