| Name | Deductibility Code |
| 100 Miler Club | 4 |
| 255 Squad Club | -- |
| Calaveras County Arts Council | -- |
| Calaveras County Historical Society | -- |
| Calaveras County Junior Livestock Boosters | -- |
| Calaveras County Seniors Center Inc. | -- |
| Calaveras County Sheriffs Volunteer Unit | -- |
| Calaveras Unified School District Educational Foundation | -- |
| California Foster Families Inc. | -- |
| Chaos Organization | -- |
| D Margaret Studley Foundation | 4 |
| Friends of the Calaveras County Library | -- |
| Mark Twain Hospital Foundation | -- |
| Motherlode Youth Symphony | -- |
| Mountain Oaks School Foundation | -- |
| My Own School | -- |
| Oakendell Corporation | -- |
| Operation Military Support | -- |
| Rural Health Design Network | -- |
| Safe Medicine for Consumers | 4 |
| San Andreas Camp Hope | -- |
| San Andreas Community Covenant Church | -- |
| San Andreas Teen Center | -- |
| San Joaquin Storytellers Guild | -- |
| Starhill Foundation | -- |
| Take It to Heart Foundation | -- |
| The Resource Connection of Amador and Calaveras Counties Inc. | -- |
| Volunteer Center of Calaveras County | -- |
| Womens Auxiliary of Mark Twain Hospital | -- |