| Name | Deductibility Code |
| 4-H Club Foundation of Mississippi Inc. | -- |
| Bulldog Club | -- |
| Bulldog Foundation Inc. | -- |
| Catch A Dream Foundation | -- |
| Dixie National Sale of Junior Champions Promotion Committee | -- |
| Evidence Based Veterinary Medicine Association | -- |
| Golden Triangle Volleyball Club | -- |
| Memorial Scholarship Fund of the Alabama-Mississippi Section of Th | -- |
| Mississippi State University Alumni Foundation | -- |
| Mississippi State University Alumni Inc. | -- |
| Mississippi State University Donor Advised Fund Program | 4 |
| Mississippi State University Educational Building Corporation | -- |
| Mississippi State University Foundation Inc. | -- |
| Mississippi State University Research and Technology Corp | -- |
| Mississippi Weed Science Society Inc. | -- |
| Program of Research and Evaluation for Public Schools Inc. Preps Inc. | -- |
| Starkville Youth Soccer Organization | -- |
| Ulysses S Grant Association | -- |