| Name | Deductibility Code |
| American Immigration Control Foundation Inc. | -- |
| Chip Hill Ministries | -- |
| Highland Center | -- |
| Highland County Arts Council | -- |
| Highland County Crafts Inc. | -- |
| Highland County Fair | -- |
| Highland County Library Inc. | -- |
| Highland County Volunteer Fire Dept | -- |
| Highland County Volunteer Resuce Squad Inc. | -- |
| Highland Medical Center Foundation | -- |
| Highland Medical Center Inc. | -- |
| Highland Society for the Prevention of Cruelty to Animals Inc. | -- |
| Highlanders for Responsible Development | -- |
| Lions of Monterey Foundation Inc. | -- |
| William and Karin Banks Foundation Inc. | 4 |