| Name | Deductibility Code |
| 511th Parachute Infantry Association Inc. | 6 |
| Abilities | -- |
| Academy of Childrens Theatre | -- |
| Allied Arts Association | -- |
| Alpha Omega Enviornmental | -- |
| American Citizens Encouraging Support-Aces | -- |
| Animal Welfare Alliance League | -- |
| Arc of Tri Cities Foundation | -- |
| Arc of Tri-Cities | -- |
| Arts Center Task Force | -- |
| Aspen Academy | -- |
| Auxiliary Powered Sailplane Association | -- |
| B Reactor Museum Association | -- |
| Badger Mountain Parent-Teacher Organization | -- |
| Benton Affordable Housing Association | -- |
| Benton Franklin Head Start Program | -- |
| Bethel Church of Richland Washington | -- |
| Bride of Christ Inc. | -- |
| Calvary Church | -- |
| Camerata Musica | -- |
| Chief Joseph Middle School PTA | -- |
| Childrens Developmental Center | -- |
| Childrens Garden Preschool | -- |
| Citizens for Medical Isotopes | -- |
| Colton Thomas Willingham Duchennes Muscular Dystrophy Guild | -- |
| Columbia Basin Canine Training Association | -- |
| Columbia Basin Dive Rescue | -- |
| Columbia Christian Fellowship | -- |
| Columbia Regional Economic Development Trust | -- |
| Columbia River Center | -- |
| Community Concerts of the Tri- cities Wa Inc. | -- |
| Congregation Chaverim | -- |
| Curative Foundation | -- |
| Desert Fiber Arts | -- |
| Down Syndrome Association of the Mid-Columbia | -- |
| Eastern Washington Section- american Nuclear Society | -- |
| Edison Terrace West | -- |
| Elijah Family Homes | -- |
| Elijahs Pit Stop | -- |
| Emmaus Center | -- |
| Encouragement Dynamics | -- |
| Environmental Science & Technology Foundation | -- |
| Equine Ambassadors Inc. | -- |
| Family Self Sufficiency Center | -- |
| Foundation for Acupuncture Research & Education | -- |
| Fox Vance Family Foundation | 4 |
| Friends of the Hanford Reach National Monument | 4 |
| Friends of the Richland Library | -- |
| Fun Fit and Over Fifty Club | -- |
| Global Gateway Network | -- |
| Global Trade & Technology Corporation | -- |
| Good News Media Ministry | -- |
| Grace Brethren Church | -- |
| Hanford Drama Booster Club | -- |
| Hanford Engineers Week Committee | -- |
| Hanford Environmental Health Foundation Inc. | -- |
| Hanford Falcon Boosters | -- |
| Hanford Reach Interpretive Center | -- |
| Hanford School Instrumental Music Boosters Club | -- |
| Hindu Society of Eastern Washington | -- |
| Hunter Educators Resource Organization | -- |
| Ice Age Floods Institute | 1 |
| Ingalls Creek Enrichment Center | -- |
| Islamic Center of Tri-Cities | -- |
| Jason Lee Elementary Parent Teacher Association | -- |
| Kadlec Auxiliary Inc. | -- |
| Kadlec Health System | -- |
| Kadlec Medical Center Foundation Inc. | -- |
| Kadlec Regional Medical Center | -- |
| Kemu Development Association | -- |
| Kennewick Kiwanis Foundation | -- |
| Kennewick Lions Club Foundation | -- |
| Kings Theatre Drama Group | -- |
| Learning Landscape | -- |
| Lewis and Clark Chapter Military Officers Association of America | 6 |
| Lower Columbia Basin Audubon Society | -- |
| Luther Senior Center | -- |
| Maranatha Camping Association | -- |
| Martha Van Hoff Educational Fund | 4 |
| Mid Columbia Gymnastics Academy | -- |
| Mid-Columbia Archeological Society | -- |
| Mid-Columbia Mastersingers | -- |
| Mid-Columbia Regional Ballet | -- |
| Mid-Columbia Symphony Society | -- |
| Modern Living Services | -- |
| No Graf Network Inc. | -- |
| Nu Epsilon Lambda Foundation | -- |
| Oasis School | -- |
| Olson Foundation | -- |
| Perfect Image Leadership Foundation | -- |
| Phoenix Group | -- |
| Poorest of the Poor Education Foundation | -- |
| Powers Foundation A Nonprofit Corporation | 6 |
| Prevent Homeless Pets | -- |
| Prevent Parental Kidnap | -- |
| Pyramids Inc. | 4 |
| Radiant Light Broadcasting Tv 49 | -- |
| Radiochemistry Society | -- |
| Regional Youth Service Corps | -- |
| Richland American Legion Baseball | -- |
| Richland Babe Ruth Baseball Association | -- |
| Richland Bomber Boosters Inc. | -- |
| Richland Cemetery Association Inc. | 6 |
| Richland Education Foundation | -- |
| Richland Fly-In Committee | -- |
| Richland High School Instrumental Music Boosters | -- |
| Richland Kiwanis Foundation | -- |
| Richland Light Opera Company | -- |
| Richland Lutheran Church Foundation | -- |
| Richland Players Inc. | -- |
| Richland Public Library Foundation | -- |
| Richland Rotary Foundation | -- |
| Richland Seniors Association | -- |
| Rosel Group | -- |
| Sacajawea Childrens Interest Association Parent Teacher Organiz | -- |
| Science Renaissance | -- |
| Scola Arturum | -- |
| Shalom Ecumenical Center | -- |
| Skills Development Mission | -- |
| South Central Region Ems & Trauma Care Council | -- |
| Spiritual Exercises in Everyday Life - Tri-Cities | -- |
| Spring Rise Restoration | -- |
| Surgical Implant Generation Network | -- |
| Tapteal Greenway | -- |
| Temple Baptist Church of Richland Washington | -- |
| The Divine Fellowship | -- |
| The Fathers 5 | -- |
| The Knights Community Hospital Equipment Lend Program Services | -- |
| The Neurological Resource Center | -- |
| The Orissa Society of the Americas | -- |
| Three Rivers Community Foundation | -- |
| Three Rivers Lacrosse Club | -- |
| Time of Remembrance | -- |
| Tri Cities Advocates for the Mentally Ill | -- |
| Tri Cities Chapter of the Enological Society of the Pacific | -- |
| Tri City Channel Cats Parents Association | -- |
| Tri-Cities Animal Shelter | 4 |
| Tri-Cities Food Bank | -- |
| Tri-Cities Industry Kiwanis Foundation | -- |
| Tri-Cities Memorial Committee | 4 |
| Tri-Cities Pregnancy Network | -- |
| Tri-Cities Technical Council | -- |
| Tri-Cities Terrace South | -- |
| Tri-City Chinese Christian Fellowship | -- |
| Tri-City Christian Translator Association | -- |
| Tri-City Dance Association | -- |
| Tri-City Dog Park Society | -- |
| Tri-City Figure Skating Club | -- |
| Tri-City Quilters | -- |
| Tri-City Shooting Association | -- |
| Twin City Titens American Legion Baseball | -- |
| Ukrainian Pentecostal Church | -- |
| Unity of the Tri-Cities | -- |
| Veterans of Foreign Wars Auxiliary Post 7952 | 6 |
| Washington East Opera | -- |
| Washington Elementary Chess Champions | -- |
| Washington Operation Thank You | -- |
| Wat Richland Buddhavanaram Buddhist Temple | -- |
| Whats New in Medicine | -- |
| White Bluffs Elementary Pto | -- |
| YMCA of the Greater Tri-Cities | -- |