| Name | Deductibility Code |
| Clarksville Band Boosters | -- |
| Clarksville Food Pantry Inc. | -- |
| Clarksville Little Dribblers Basketball Incorporated | -- |
| Clarksville Rotary Club Foundation Inc. | -- |
| East Texas Medical Center Clarksville | -- |
| Friends of Clarksville Mainstreet Inc. | -- |
| George F Sunkel Foundation Inc. | 4 |
| Lanes Chapel Cemetery Society | 6 |
| North Woods Volunteer Fire Department Inc. | -- |
| Red River County Agricultural Improvement Association Inc. | -- |
| Red River County Community Chest | -- |
| Red River County Crime Stoppers Inc. | -- |
| Red River County Historical Society | -- |
| Red River County Hospital Auxiliary | -- |
| Red River County Humane Society | -- |
| Red River Youth Association Inc. | -- |