| Name | Deductibility Code |
| Angels Crossing Inc. | -- |
| Castro Colonies Heritage Association Inc. | -- |
| Castroville Airport Association | -- |
| Castroville Conservation Society | -- |
| Castroville Nip & Tuck | -- |
| Castroville Volunteer Fire Company | -- |
| Dhanis Volunteer Fire Department | -- |
| Friends of the Castroville Public Library | -- |
| Friends of the Castroville Regional Park | -- |
| Friends of the Landmark Inn State Historical Park | -- |
| Grace Community Church of Castroville | -- |
| Hope Animal Rescue Team Inc. | -- |
| Impact 2000 Inc. | -- |
| Medina County Amateur Radio Corporation McArc | -- |
| Medina County Interfaith Disaster Recovery Association | 4 |
| Medina Valley Band Sponsors | -- |
| Medina Valley Education Foundation | -- |
| Medina Valley Ems Incorporated | -- |
| Medina Valley Prom Association | -- |
| Medina Valley Youth Baseball Association Inc. | -- |
| Medina Valley Youth Soccer Association Inc. | -- |
| Team 4 Gone | -- |
| World Vision for Christ Inc. | -- |