| Name | Deductibility Code |
| Alumni Wrestling Boosters Inc. | -- |
| Angels-Murphys-Arnold Boosters Club Incorporated | -- |
| Bret Harte Football Boosters | -- |
| Bret Harte High School Music Boosters | -- |
| Calaveras Childrens Repertory Theatre | -- |
| Calaveras Heritage Council | -- |
| Foundation for World Change Inc. | -- |
| Grad Night Foundation of Calaveras County | 5 |
| Ken Onstad Benevolent Fund | -- |