| Name | Deductibility Code |
| 140 Squad Club | -- |
| Banner Lassen Medical Center Foundation Inc. | -- |
| Calvary Baptist Church of Susanville | -- |
| Carrie Your Blanket Inc. | -- |
| Committee to Preserve the Historic Courthouse for the Courts | -- |
| Communities United for Children & Families | -- |
| Eagle Lake Community Church | -- |
| Essien Foundation Inc. | 4 |
| Fetal Alcohol Service Inc. | -- |
| High Sierra Recreation Alliance | -- |
| Honey Lake Hospice | -- |
| Indian Heights Full Gospel Church | -- |
| Lassen Aquatics | -- |
| Lassen Aurora Network | 3 |
| Lassen Christian Academy | -- |
| Lassen College Foundation Inc. | -- |
| Lassen Community Care Center | -- |
| Lassen County American Indian Organization | -- |
| Lassen County Council on Aging | -- |
| Lassen County Fire Safe Council | -- |
| Lassen County Friends of the Library | -- |
| Lassen County Performing Arts Council Inc. | -- |
| Lassen Family Services Inc. | -- |
| Lassen Friends of Public Radio | -- |
| Lassen Humane Society | -- |
| Lassen Junior Livestock Auction Committee Inc. | -- |
| Lassen Land and Trails Trust | -- |
| Lassen Senior Services Inc. | -- |
| Lassen Sierra Prison Ministries Inc. | -- |
| Lassen Youth Football League | -- |
| Lassen Youth Soccer | -- |
| M AMA | -- |
| Mountain Lifeflight Inc. | -- |
| Mountainside Church | -- |
| Narcotics Overdose Prevention & Education Inc. | -- |
| Northeastern Rural Health Clinics | -- |
| Paith Harvest Fellowship | -- |
| Pathways to Child & Family Excellence | -- |
| Pre-Hospital Training Institute | -- |
| Redemptive Springs Ministries | -- |
| Richmond Community Association | -- |
| Sierra Bobby Sox Inc. | -- |
| South Lassen Ems Inc. | -- |
| Spalding Volunteer Fire Department Auxiliary | -- |
| Spare A Dime Inc. | -- |
| Susanville Christian Fellowship | -- |
| Susanville Symphony Society | -- |
| Susanville Volunteer Fire Department | 6 |
| Wilderness Unlimited Foundation | -- |