| Name | Deductibility Code |
| 10-99 Foundation | -- |
| 1in2 | -- |
| Aci Charities | -- |
| Alternatives to Growth Washington | -- |
| American-Moroccan International Exchange | -- |
| Antioch Ministries | -- |
| Art Collective Issaquah | -- |
| Asian America Affairs Association | 3 |
| Atwork | -- |
| Beaver Lake Middle School Ptsa | -- |
| Bellevue Christian Center | -- |
| Brotman Family Foundation | 4 |
| Cascade Christian Center | -- |
| Chambers Rinks Foundation | 4 |
| Christian Counseling for Women | -- |
| Church of Christ at Issaquah | -- |
| Clay Foundation | -- |
| Coffin-Lowry Syndrome Foundation | -- |
| College Success Foundation | -- |
| Commonwealth International Foundation | 4 |
| Communiversity Services Inc. | -- |
| Cool Water Ministries | -- |
| Costco Foundation | 3 |
| Council for Historic Downtown Issaquah | -- |
| County Citizens for Responsible Waste Management | 4 |
| Cross Athletics | -- |
| Culinary Arts Promotion Association | -- |
| District of Columbia College Success Foundation | -- |
| E2 Educational Services | -- |
| Eastside Baby Corner | -- |
| Eastside Enrichment A Non-Profit Corporation | -- |
| Eastside Fire Chaplaincy Foundation | -- |
| Eastside German Language School | -- |
| Eastside Youth Dance Theatre | -- |
| Emerald Heights Academy | -- |
| Evergreen Christian Fellowship of Issaquah | -- |
| Evolving Earth Foundation | 3 |
| Expressive Business Strategies | -- |
| Fabulous Felines | -- |
| Faith Hope and Love Christian Center | -- |
| Families of National Tragedies | 4 |
| Foundation of the Rotary Club of Issaquah | -- |
| Friends of Beaver Lake | -- |
| Friends of the Issaquah Library | -- |
| Friends of the Issaquah Salmon Hatchery | -- |
| Generation Joy Foundation | -- |
| Grace and Harold Sewell Memorial Fund | 4 |
| Grassroots Grace | -- |
| Hamzaban Cultural Foundation | -- |
| Health Freedom Foundation | -- |
| Heart Source Unlimited | -- |
| Helping Issaquah Develop Recreational Opportunities | -- |
| Horizon Christian Fellowship | -- |
| Indian American Education Foundation | -- |
| Integrative Medicine Fund | -- |
| Interfaith Voices of Youth | -- |
| Isd Womens Lacrosse Club | -- |
| Issaquah Alps Trails Club | -- |
| Issaquah Christian Church | -- |
| Issaquah Church & Community Services | -- |
| Issaquah Citizen Corps Council | -- |
| Issaquah Environmental Council | -- |
| Issaquah High Booster Club | -- |
| Issaquah Historical Society | -- |
| Issaquah Kiwanis Foundation | -- |
| Issaquah Lacrosse Club | -- |
| Issaquah Ptsa Council | -- |
| Issaquah Schools Foundation | -- |
| Issaquah Soccer Club | -- |
| Issaquah Valley Community Services | -- |
| John Onesti Foundation | 4 |
| Jones Family Scholarship Foundation Inc. | 4 |
| Jordan Education Trust | -- |
| Kazakh-Russian Relief Fund | -- |
| Khek | -- |
| Kim Evanger Raney Foundation | 4 |
| King County Library System Facilities Foundation | -- |
| King County Library System Foundation | -- |
| Lake Sammamish Baseball Association | -- |
| Lester W Mittelstaedt Foundation | 4 |
| Life Enrichment Options | -- |
| Lorian Association | -- |
| Master Chorus Eastside | -- |
| Matters of Truth | -- |
| Mercy Walk Inc. | -- |
| Montessori Advisory Board | -- |
| Montlake Foundation | -- |
| Moore Family Foundation | 4 |
| Must Mission | -- |
| Nancys House Fieldtrips | -- |
| National Charity League - Lake Sammamish Chapter | -- |
| New Life Christian Fellowship | -- |
| Nirvana Buddhist Center | -- |
| Pacific Northwest Aquatic Association | 4 |
| People United for Pets | -- |
| Peter M Putnam Foundation | -- |
| Picsha Foundation | 4 |
| Pomegranate Center | -- |
| Praise for Today Foundation | 4 |
| Preaching and Prayer Ministries | -- |
| Pro Athletes Outreach | -- |
| Providence Marianwood Foundation | -- |
| Raging River Gallery & Studio Foundation | 4 |
| Recovering Alcoholic Addicts Against Drugs | -- |
| Renton Christian Fellowship | -- |
| Response Ability Builders | -- |
| Richard Fairbanks American Potter Foundation | -- |
| Rick Pankow Foundation | -- |
| Robert B McMillen Foundation | 4 |
| Royal Family Kids Camp-Issaquah | -- |
| Saints Alive Ex-Mormons for Jesus | -- |
| Sammamish Christian School and Noahs Ark Preschool | -- |
| Sammamish Saddle Club Inc. | -- |
| Sammamish Symphony Orchestra Association | -- |
| Save Lake Sammamish | -- |
| Seattle Spin | 3 |
| Soaring Solo | 4 |
| St. Andrews Housing Group | -- |
| Steve Jamison Crusades | -- |
| Sudden Impact Volleyball Club | -- |
| Summit Seekers | -- |
| Swedish School Association in Seattle | -- |
| Tahoma Clinic Foundation | -- |
| Tavon Center | -- |
| Temcov Foundation | 4 |
| Thalia Allied Artists | -- |
| The Actors Hall of Fame Foundation | -- |
| The Business Institute of Washington | -- |
| The Learning Space | -- |
| Timothy P & Fabienne L Riggers Charitable Foundation Tr | 4 |
| Tomonow Culture Education Nfp | -- |
| Toys for Kids | -- |
| Training in Power A Spiritual Journey of Service | -- |
| Village Theatre | -- |
| Washington Biathlon Association | -- |
| Washington Colon Cancer Stars | -- |
| Washington State Mentors | -- |
| Washington Traffic Institute | -- |
| World Advocacy Foundation | -- |
| World Peace Project for Children | -- |
| Wwwministry | -- |
| Zoological Society of Washington | -- |