| Name | Deductibility Code |
| A New Dawn Animal Rescue | -- |
| Big House Texas | -- |
| Centerpoint Community Church Inc. | -- |
| City of Deer Park Texas Senior Citizens Foundation Trust | 4 |
| Cristo Para America | -- |
| Deer Park Baseball Assoc | -- |
| Deer Park Christian Church | -- |
| Deer Park Citizens Police Academy Alumni Association | 4 |
| Deer Park Educational Foundation | -- |
| Deer Park FFA Booster Club | -- |
| Deer Park Fireballs Organization | -- |
| Deer Park Girls Softball Inc. | -- |
| Deer Park High School Project Graduation | -- |
| Deer Park Little League | -- |
| Deer Park Orchestra Booster Club | -- |
| Deer Park Volunteer Fire Department | 6 |
| Destiny Leadership International Inc. | -- |
| Diamond Duster Softball Organization | -- |
| Dorothy Eula Jordan and Velma Jean Cunningham Foundation | 4 |
| East Belt Youth Soccer Club Inc. | -- |
| Friends of Deer Park Public Library Inc. | -- |
| Greater Houston Beep Baseball Association | -- |
| Gulf Coast Community Concerts Inc. | -- |
| Harris County Firefighters Association | -- |
| Healers House | -- |
| Helping Hearts Support Group Inc. | -- |
| Houston Area Contractors Safety Council | -- |
| International Student Family Friendship Program | -- |
| Lady Deer Tip-Off Booster Club | -- |
| Lutheran Aid USA Inc. | -- |
| Ministerios De Compasion | -- |
| Reach America Ministries Inc. | -- |
| Regency Park Neighborhood Missionary Ministry | -- |
| Side Out Volleyball Booster Club | -- |
| Slightly Off Center Players Inc. | -- |
| Tagalog Association of Texas Inc. | -- |
| Texas Public Education Reform Foundation | -- |
| The Church in Deer Park | -- |
| The Wheelhouse Inc. | -- |
| Tri City Church and Outreach Center | -- |
| W A Carpenter Elementary Pto Inc. | -- |
| Whos on First Baseball Booster Club | -- |