| Name | Deductibility Code |
| Advance Ministries of Willis Inc. | -- |
| Animals 1st | -- |
| Border Collie Rescue Inc. | -- |
| Coker Ministries | -- |
| Community Partners of Montgomery County | -- |
| Compassion With Action Foundation | -- |
| Covenant Fellowship Ministries Incorporated | -- |
| Homeschool Christian Youth Association | -- |
| Hucke Foundation Legacy of Hope | -- |
| Humble Lamb Ministries | -- |
| John Thomas Hill Scholarship Fund | -- |
| Jungle Eyes Refuge | -- |
| Lake Conroe Association | -- |
| Lake Conroe Lighthouse | -- |
| Lake Conroe Safe Boating Inc. | -- |
| Lake Ministries Incorporated | -- |
| Light Community Fellowship | -- |
| North Montgomery County Volunteer Fire Dept Inc. | -- |
| Operation Graduation | -- |
| Positive Aspirations Inc. | 4 |
| Rivers of Living Water Ministry Church | -- |
| Ryan Scherbel Foundation | 4 |
| Simply Christ Ministries | -- |
| Texans for Equal Justice | -- |
| Texas No Kill | -- |
| Texas Rage Baseball | -- |
| The Way Maker House | -- |
| Tlc Food Pantry | -- |
| True Gospel Holiness Church | -- |
| Vipassana Meditation Retreat | -- |
| Willis Band Booster Club | -- |
| Willis Choir Booster Club | 4 |
| Willis Girls Softball Association | -- |
| Willis Youth Athletic Association Inc. | -- |