| Name | Deductibility Code |
| Access Humboldt | -- |
| Adoption Horizons | -- |
| Alcohol-Drug Care Services Inc. | -- |
| All Nations | -- |
| Alliance for Sustainable Jobs and Environment Educational Project | -- |
| Area I Agency on Aging | -- |
| Association of Gospel Outreach Churches | -- |
| B U D S of the Redwoods | -- |
| Band of Mercy | 4 |
| Boys & Girls Club of the Redwoods | -- |
| Braille Transcribers of Humboldt | -- |
| Buckeye Conservancy | -- |
| Businesses Against Methamphetamine Use | -- |
| Butler Valley Incorporated | -- |
| California Catalysts for Change | 5 |
| Californians for Alternatives to Toxic Sprays | -- |
| Calvary Chapel Eureka Inc. | -- |
| Cancer Reserach Institute of Contra Costa | -- |
| Cecil Clark Tr FBO Cecile Clark Memorial Museum 500-6521207 | -- |
| Celebration Ministry of the Redwood | -- |
| Center for Child Advocacy | -- |
| Changing Tides Family Services | -- |
| Child Abuse Prevention Coordinating Council of Humboldt County | -- |
| Christian Youth Fund | 4 |
| Christine & Jalmer Berg Foundation | 4 |
| Church of the Highlands | -- |
| Clarke Memorial Museum | -- |
| College of the Redwoods Foundation | -- |
| Community Health Alliance of Humboldt-Del Norte | -- |
| Confidence House Inc. | -- |
| Court Appointed Special Advocate of Humboldt | -- |
| Creation Research of the North Coast | -- |
| Cutten-Ridgewood Student Foundation | -- |
| Eureka Concert and Film Center | -- |
| Eureka Heritage Society Incorporated | -- |
| Eureka High School Music Boosters Inc. | -- |
| Eureka Housing Development Corporation | -- |
| Eureka Junior League Football Inc. | -- |
| Eureka Main Street | -- |
| Eureka Midget-Babe Ruth League Inc. | -- |
| Eureka Rescue Mission | -- |
| Eureka Sisters | -- |
| Families for Mental Recovery of Humboldt County California | -- |
| Fire Chiefs Association of Humboldt County | -- |
| Food for People Inc. | -- |
| Freshwater Educational Foundation | -- |
| Friends for Life Canine Rescue Inc. | -- |
| Friends of the Redwood Libraries | -- |
| Gil-Beth Inc. | -- |
| Gospel Outreach Church | -- |
| Hebrew Christians in Eureka California Inc. | -- |
| Henderson Village Corporation | -- |
| Hight Community Service Inc. | -- |
| Hivkids | -- |
| Hmong Community of the Northcoast | -- |
| Hospice of Humboldt | -- |
| Humboldt Amateur Radio Club Inc. | -- |
| Humboldt Arts Council | -- |
| Humboldt Bay Center for Sustainable Living | -- |
| Humboldt Bay Stewards | -- |
| Humboldt Botanical Gardens Foundation | -- |
| Humboldt Builders Exchange Community Fund Inc. | -- |
| Humboldt Community Access and Resource Center | -- |
| Humboldt County Council on Adoptable Children Inc. | -- |
| Humboldt County Domestic Violence Coordinating Council | -- |
| Humboldt County Historical Society | -- |
| Humboldt County Public Property Leasing Corp | -- |
| Humboldt Dog Obedience Group | -- |
| Humboldt Domestic Violence Services | -- |
| Humboldt Family Service Center | -- |
| Humboldt Fish Action Council | -- |
| Humboldt Library Foundation | -- |
| Humboldt Mediation Services | -- |
| Humboldt Plan It Green | -- |
| Humboldt Pride Incorporated A Ca Nonprofit Public Benefit Corp | -- |
| Humboldt Recovery Center Inc. | -- |
| Humboldt Redwood Cursillo | 4 |
| Humboldt Senior Resource Center Incorporated | -- |
| Humboldt Spay Neuter Network | -- |
| Humboldt Sponsors | -- |
| Humboldt Watershed Council | -- |
| Humboldt Youth Soccer League Inc. | -- |
| Humboldt-Del Norte Timing Association Inc. | -- |
| Indian Action Council of Northwestern California Inc. | -- |
| Ink People Inc. | -- |
| International Human Powered Vehicle Association | -- |
| Jesus Name Apostolic Church of Eureka | -- |
| Jimmie Angel Historical Project | -- |
| Kinetic Universe | -- |
| Kiwanis Club of Humboldt Bay Public Service Fund Inc. | -- |
| Latino Net | -- |
| Leo David Orourke Foundation | 4 |
| Living Art and Education Foundation | 4 |
| Making Headway Center for Brain Injury Recovery | -- |
| Mateel Environmental Justice Foundation | -- |
| Military Heritage Foundation | -- |
| Mobile Medical Office | -- |
| National American Indian Storytelling Association | -- |
| Native Springs Foundation | -- |
| Ncd-North Coast Dance | -- |
| Ncrt Inc. | -- |
| North Coast Big Brothers Inc. | -- |
| North Coast Christian Fellowship Church of Humboldt County Inc. | -- |
| North Coast Clinics Network | -- |
| North Coast Rape Crisis Team | -- |
| North Coast Redwood Technology Consortium | -- |
| North Coast Small Business Resource Center | -- |
| North Coast Substance Abuse Council Inc. | -- |
| Northcoast Lions Eye Foundation | -- |
| Northern California Community Blood Bank | -- |
| Northern California Indian Development Council Inc. | -- |
| Northwest Committee for Employment of People With Disabilities | -- |
| Oomiak Foundation | -- |
| Order of Runeberg Supreme Lodge | 1,2,6 |
| Parents in Training Inc. | -- |
| People of the Anvil Community Development Corporation | -- |
| Pinafores of the New General Hospital | -- |
| Play-In-Progress | -- |
| Pregnancy Care Center of the North Coast | -- |
| Redwood Acres Friends of the Fair | -- |
| Redwood Agricultural Education Foundation | -- |
| Redwood Area Information Network | -- |
| Redwood Art Association | -- |
| Redwood Christian Community Studies | -- |
| Redwood Coast Music Festivals Inc. | -- |
| Redwood Community Action Agency | -- |
| Redwood Discovery Museum | -- |
| Redwood Empire Public Television | -- |
| Redwood Family Institute | -- |
| Redwood Swim Club | -- |
| Salmon Forever | -- |
| Sees Community Fund | -- |
| Senior Helpers of Eureka | -- |
| Sequoia Humane Society | -- |
| Sequoia Park Zoological Society | -- |
| Six Rivers Planned Parenthood | -- |
| Special Beginnings Inc. | 4 |
| Spoken Word International Ministries | -- |
| St. Bernards Alumni Association | -- |
| St. Joseph Center for Social Change | -- |
| The California Center for Community Democracy | 4 |
| The Hellerwork Foundation | -- |
| The House With the Red Door | -- |
| The Trillium Foundation | 4 |
| Timber Heritage Association | -- |
| Tour of the Unknown Coast Inc. | -- |
| Trails Trust of Humboldt Bay-Tthb | -- |
| Transitional Residential Treatment Facilities Inc. | -- |
| Tri-County Independent Living Inc. | -- |
| Triumphant Life Camp | -- |
| Tu Casa | 4 |
| Vector Health Program Inc. | -- |
| Wm Clawson Enterprises Inc. | -- |
| Women Entrepreneurs Institute | -- |
| Woodside Pre-School Inc. | -- |
| World Mission Outreach | -- |
| Youthability Inc. | -- |