| Name | Deductibility Code |
| A Better Place A Better Way Inc. | -- |
| A O K Club Inc. | -- |
| Aarons House Inc. | -- |
| Above All Influences | -- |
| Advocates for Early Intervention | -- |
| Advocates for Sustainable Animal Populations | -- |
| Ambassadors for Christ Fellowship | -- |
| American Institute for Full Employment | 3 |
| Assistance League of Klamath Basin | -- |
| Babe Ruth Association Kiger Stadium | -- |
| Badger Run Wildlife Rehab | -- |
| Baptist Mission for Haiti Inc. | -- |
| Basin United Soccer Club Inc. | -- |
| Blue Flame Incorporated | -- |
| Brandsness Foundation | 4 |
| Cascade Civil War Society | -- |
| Changes Inc. A Faith Based Non Profit Organization | 4 |
| Childrens Museum of Klamath Falls | -- |
| Chosen to Serve Ministries Inc. | -- |
| Christlife Ministries Inc. | -- |
| Church of Christ | -- |
| Citizens for Safe Schools | -- |
| Court Appointed Special Advocates | -- |
| Crater Lake Senior Babe Ruth | -- |
| Cry of the Innocents Ministry | -- |
| Cyberspace Snow and Avalanche Center | -- |
| David R Kingsley Foundation | -- |
| Do Good Gang Inc. | -- |
| Eagleridge High School | -- |
| Educational Solutions | -- |
| Ewauna Rowing Club | -- |
| Fairview Boosters | 4 |
| Faithful Servants | -- |
| Favell Museum Inc. | 3 |
| Flightmasters of Klamath Falls | -- |
| Foothills Christian Fellowship | -- |
| Fort Klamath Cemetery Association | 6 |
| Friends of Collier Park and the Collier Park Logging Museum Inc. | -- |
| Friends of Moore Park | -- |
| Friends of Pets of Klamath Basin Inc. | -- |
| Friends of the Children of the Klamath Basin | -- |
| Friends of the Klamath County Library | -- |
| Friends of Wiard Park System Inc. | -- |
| Glennco Foundation | 4 |
| Gods Lighthouse of Klamath Falls Inc. | -- |
| Grace Christian Fellowship of Klamath Falls Oregon Inc. | -- |
| Graham Family Foundation | 4 |
| Great Basin Tree Foundation | 4 |
| Greater Basin Rural Community Development Corporation | 4 |
| Harriman Rural Fire Protection District | -- |
| Heart Focus Inc. | -- |
| Heart of the Basin Quilters and Needle Arts | -- |
| Hobby Greenhouse Association | -- |
| Horse Enthusiast Adaptive Riding Therapy | 4 |
| Hosanna Christian School Inc. | -- |
| Integral Youth Services | -- |
| Jace Stringer Foundation Inc. | -- |
| Kings Believers Inc. | 4 |
| Kingzett Family Foundation | 4 |
| Kiwanis Foundation of Klamath Falls Inc. | 5 |
| Klamath Adolescence Program Inc. | -- |
| Klamath Alcohol & Drug Abuse Inc. | -- |
| Klamath Alternative Sports Alliance | -- |
| Klamath Art Association | -- |
| Klamath Arts Council | -- |
| Klamath Basin Athletic Association | -- |
| Klamath Basin Audubon Society | -- |
| Klamath Basin Bible Church | -- |
| Klamath Basin Celtic Heritage Society | -- |
| Klamath Basin Genealogical Society | -- |
| Klamath Basin Rangeland Tr | -- |
| Klamath Basin Senior Citizens Council | -- |
| Klamath Basin Youth Without Borders Inc. | -- |
| Klamath Blues Society | -- |
| Klamath Bridges Inc. | -- |
| Klamath Bucket Brigade | -- |
| Klamath Care Services Inc. | -- |
| Klamath Child and Family Treatment Center | -- |
| Klamath Chorale | -- |
| Klamath Christian Fellowship | -- |
| Klamath Community College Foundation | -- |
| Klamath Community Development Corporation | -- |
| Klamath Community Forestry Council Inc. | -- |
| Klamath Community Youth Sports Complex | -- |
| Klamath County Foster Parent Association | -- |
| Klamath County Historical Society | -- |
| Klamath County Library Foundation | -- |
| Klamath County Museum Foundation | -- |
| Klamath County Police Service Dog Community Support Fund | -- |
| Klamath Crisis Center | -- |
| Klamath Falls Bmx | -- |
| Klamath Falls Community Tennis Association | -- |
| Klamath Falls Farmers Market Association Inc. | -- |
| Klamath Falls Gospel Mission | -- |
| Klamath Family Head Start | -- |
| Klamath Fire Prevention Cooperative | -- |
| Klamath Full Gospel Church Inc. | -- |
| Klamath Greenways Foundation | -- |
| Klamath Health Partners Inc. | -- |
| Klamath Hospice Inc. | -- |
| Klamath Humane Society Inc. | -- |
| Klamath Ice Sports Inc. | -- |
| Klamath K-9 Search and Rescue | -- |
| Klamath Kid Center Inc. | -- |
| Klamath Lake Counties Food Bank | -- |
| Klamath Medical Service Bureau | 4 |
| Klamath Outdoor Science School | -- |
| Klamath Rails to Trails Group | -- |
| Klamath Revival Association Inc. | -- |
| Klamath Sustainable Communities | -- |
| Klamath Water Foundation | -- |
| Klamath Watershed Partnership | -- |
| Klamath Wingwatchers Inc. | -- |
| Klamath Youth Baseball | -- |
| Klamath Youth Soccer League Inc. | -- |
| Klamath-Lake Community Action Services | -- |
| Klamath-Lake Employment Training Institute Inc. | -- |
| Klamath-Lake Forest Health Partnership | -- |
| Klamath-Lake Regional Housing Ctr | -- |
| Kleos Childrens Community Inc. | -- |
| Kruise of Klamath | -- |
| Ladies Community Lounge League | -- |
| Larry Selby Ministry Inc. | -- |
| Last Days Harvest | -- |
| Legacies of Love Foundation Inc. | -- |
| Life Community Church | -- |
| Limpopo Foundation Inc. | -- |
| Living Word Chapel Inc. | -- |
| Mark and Karen Foundation Wendt Foundation | 4 |
| Mazama High School Senior Parents Organization | -- |
| Merle West Center for Medical Research | -- |
| Miles Wendell Moore and Geraldine Moore Scholarship Fund & Irrev Liv | 4 |
| Mount Calvary Cemetary Association | -- |
| Mt. Laki Cemetery Dist | 6 |
| Mychal Rushwald Foundation | -- |
| Mycoworld Institute | -- |
| Nami-Klamath | -- |
| Nancy J Wendt Foundation | 4 |
| New Covenant Christian Fellowship of Klamath Falls | -- |
| New Horizon Christian Fellowship | -- |
| New Life Ministries Incorporated | -- |
| Normas Challenge | -- |
| Oasis Drop-In Center | -- |
| Oregon Association of Hospital Auxiliaries | -- |
| Oregon Association of Treatment Centers | 6 |
| Oregon Eagle Foundation Inc. | -- |
| Oregon Institute of Technology Athletic Foundation | -- |
| Oregon Tech Development Foundation | -- |
| Organization of the Forgotten American Inc. | -- |
| Pelican Players Inc. | -- |
| Project Spirit Equine Rescue and Rehab | -- |
| Ragland Rife Foundation | -- |
| Rbs Extreme Fastpitch | -- |
| Reach Inc. | -- |
| Refuge Ministries | -- |
| Return to Circle Incorporated | -- |
| Roma Children Foundation Inc. | -- |
| Ronald Hukill Ministries International | -- |
| Ross Ragland Theatre | -- |
| Rotary First Harvest of Oregon Inc. | -- |
| Rotary Foundation of Klamath County | -- |
| Shalom Temple Ministries Inc. | -- |
| Shasta Elementary Parent Boosters | -- |
| Skateland Artistic Booster Club | 4 |
| Sky Lakes Medical Center Foundation Inc. | -- |
| Sky Lakes Medical Center Inc. | -- |
| Soco Development Inc. | -- |
| South Suburban Babe Ruth League Inc. | -- |
| Southern Oregon Career and Job Expo | -- |
| Spokes Unlimited | -- |
| Star Corporation of Oregon | -- |
| The Hope Center Family Resource | -- |
| The Peoples Community Church | -- |
| Timothy McFall Evangelistic Association Inc. | -- |
| Transformations Wellness Center | -- |
| United Christian Ministries Inc. | -- |
| United Way of the Klamath Basin | -- |
| Victory Temple | -- |
| Walter and Mary Alice Stastny Charitable Foundation | 4 |
| Wendt Center for Educational Enhancement | 3 |
| West Service Facilities | -- |
| Wiard Community Pool Inc. | -- |
| Wolfpak Aquatics | -- |
| Women in the Air Force Waf Association | 6 |
| Word of Life World Outreach Church Inc. | -- |
| Yankee Air Pirates Aeronautical Institute Inc. | -- |
| Young Mens Christian Association of Klamath County | -- |