| Name | Deductibility Code |
| Alliance for Workforce Development Inc. | -- |
| Crippled Childrens Society of Plumas County Inc. | -- |
| Dawn Institute of Science & Art | -- |
| Doorpost Ministries | 4 |
| Environmental Alternatives | -- |
| Feather River College Foundation Inc. | -- |
| Feather River Land Trust | -- |
| Fur Trade Research Center | -- |
| Meadow Valley Community Church | -- |
| New Promise Ministries International Inc. | -- |
| Northeastern Sierra Community Development Corporation | -- |
| On Common Ground | 4 |
| Pioneer Parent Cooperative | -- |
| Plumas Alternative Learning Services | -- |
| Plumas Animal Welfare Society | -- |
| Plumas Audubon Society | -- |
| Plumas Christian School Inc. | -- |
| Plumas Community Foundation | -- |
| Plumas Community Radio | -- |
| Plumas Corporation | -- |
| Plumas County Arts Commission | -- |
| Plumas County Fire Safe Council Inc. | 3 |
| Plumas County Hospice | -- |
| Plumas County Museum Association | -- |
| Plumas County Senior Citizens Inc. | -- |
| Plumas Crisis Intervention and Resource Center | -- |
| Plumas District Hospital Volunteers Inc. | -- |
| Plumas Health Care Foundation Inc. | -- |
| Plumas National Forest Interpretive Association | -- |
| Plumas Rural Services Inc. | -- |
| Plumas Ski Club Inc. | -- |
| Plumas Unified School District Education Foundation | -- |
| Plumas-Sierra Literacy Corporation | -- |
| Quincy Friends of the Plumas County Library | -- |
| Quincy Trojan Booster Club | -- |
| Quincy Volunteer Fire Department | -- |
| Sierra Cascade Family Opportunities | -- |
| Starlite Missionary Baptist Church of Quincy | -- |
| Tru Community | -- |
| Wellspring Christian Fellowship Quincy | -- |
| White Tara Sanctuary A Sanctuary Foundation Incorporated | -- |
| Womens Mountain Passages | -- |