| Name | Deductibility Code |
| California Horse Protection | -- |
| Mart Band Boosters | -- |
| Mart Cemetery Association | 6 |
| Mart Emergency Medical Services Inc. | -- |
| Mart Isd Enrichment Foundation | -- |
| Mart Library Association Inc. | -- |
| Mart Volunteer Fire Department | -- |
| McLennan County Community Resource Council for Troubled Texas Youth | -- |