| Name | Deductibility Code |
| Animal Care Society | -- |
| Bay School Cultural Arts Center | -- |
| Friends of the Mathews Memorial Library | -- |
| Hands Across Mathews Interfaith Ser | -- |
| Main Street Mathews Inc. | -- |
| Mathews County Historical Society Inc. | -- |
| Mathews County Land Conservancy | -- |
| Mathews County Sustainable Environment & Economic Dev Inc. | -- |
| Mathews County Triad | -- |
| Mathews County Visitor and Information Center Inc. | -- |
| Mathews Maritime Foundation | -- |
| Mathews Memorial Library | -- |
| Mathews Volunteer Fire Department Inc. | -- |
| Mathews Volunteer Rescue Squad Incorporated | -- |
| Middle Peninsula Land Trust | -- |
| Pear Tree Cemetery Assn | 6 |
| The Mathews Ruritan Christmas Blessing Fund | -- |
| William F and Catherine Owens Foundation Inc. | 4 |