| Name | Deductibility Code |
| Boys & Girls Club of Trinity Texas Inc. | -- |
| Chita Cemetery Association | 6 |
| Church of the Extreme | -- |
| East Texas Medical Center Trinity | -- |
| Inspiration Village | -- |
| Judge Thornton Foundation | 4 |
| Martin Senior Service Center Incorporated | -- |
| Open Door Outreach Ministry | -- |
| Sam R and Malcom Monroe Barnes Foundation | 4 |
| Shaman Therapeutic Riding Center | -- |
| Society for Rescue of Pyrenees Inc. Great Pyrenees Rescue Society | -- |
| Trinity Cedar Grove Cemetery Association | 6 |
| Trinity Community Fair Association | -- |
| Trinity County Adult Protective Services Advisory Association | -- |
| Trinity Ex-Student Association | -- |
| Trinity Good Samaritan House Inc. | -- |
| Trinity Help Center Inc. | -- |
| Trinity Loaves & Fishes Food Pantry | -- |
| Trinity Memorial Hospital Auxiliary Inc. | -- |
| Trinity Pines Conference Center | -- |
| Trinity Thoroughbreds Scholarship Fund | -- |