| Greater Seattle Chamber of Commerce | Related tax-exempt org | Business advocacy | WA | 910402330 |
| ArtsFund | Related tax-exempt org | — | — | — |
| Broadway Bound Children's Theatre | Related tax-exempt org | — | — | — |
| Business Education Fund | Related tax-exempt org | — | — | — |
| Calvary Chapel Eastside | Related tax-exempt org | — | — | — |
| Calvary Spokane | Related tax-exempt org | — | — | — |
| Child's Play | Related tax-exempt org | — | — | — |
| Choose 180 | Related tax-exempt org | — | — | — |
| Church on the Ridge | Related tax-exempt org | — | — | — |
| CIELO Project | Related tax-exempt org | — | — | — |
| Citizen University | Related tax-exempt org | — | — | — |
| City of Royal City | Related tax-exempt org | — | — | — |
| Clallam County Economic Development Council | Related tax-exempt org | — | — | — |
| Columbia Choirs Association | Related tax-exempt org | — | — | — |
| Community School of West Seattle | Related tax-exempt org | — | — | — |
| Composite Recycling Technology Center | Related tax-exempt org | — | — | — |
| Densho | Related tax-exempt org | — | — | — |
| EarthGen | Related tax-exempt org | — | — | — |
| Eastside Legal Assistance Program | Related tax-exempt org | — | — | — |
| Economic DevBoard for TacomaPierce | Related tax-exempt org | — | — | — |
| Enlearn | Related tax-exempt org | — | — | — |
| Evangelical Chinese Church of Seattle | Related tax-exempt org | — | — | — |
| Fairwood Golf & Country Club | Related tax-exempt org | — | — | — |
| Faith Baptist Church | Related tax-exempt org | — | — | — |
| Friends of the Children Seattle | Related tax-exempt org | — | — | — |