| Name | Deductibility Code |
| Beeson Cemetery Association | 6 |
| Dry Creek Pomo Traditional Dancers | -- |
| Friends of Lake Sonoma | -- |
| Geyserville Broncho Boosters | -- |
| Geyserville Educational Foundation | -- |
| Geyserville Volunteer Firefighters Association Inc. | -- |
| Isis Society for Inspirational Studies | -- |
| Jackson Family Foundation Inc. | 4 |
| Society of Wireless Pioneers Inc. | -- |
| Star Foundation | -- |
| Temple of Isis | -- |
| Voigt Family Sculpture Foundation | 3 |