| Gates Foundation | $7,810,137,842 |
| Providence Health & Services Oregon | $5,906,975,155 |
| Seattle Childrens Hospital | $3,072,099,534 |
| Fred Hutchinson Cancer Center | $2,532,392,907 |
| Providence Health System-Southern California | $2,326,793,207 |
| Delta Dental of Washington | $1,834,429,835 |
| Chp of Washington | $1,636,587,763 |
| Virginia Mason Medical Center | $1,388,981,761 |
| Sea Mar Community Health Centers | $578,212,508 |
| Providence Health & Services Mt | $563,343,536 |
| Seattle University | $520,511,868 |
| Association of University Physicians | $518,671,288 |
| SEIU Healthcare Nw Health Benefits Trust | $504,106,267 |
| Providence Saint Johns Health Center | $499,533,171 |
| Washington Teamster Welfare Trust | $389,165,238 |
| Path | $321,942,685 |
| Swedish Edmonds | $320,985,372 |
| Catholic Community Services of Western Washington | $317,162,695 |
| The Association of Chrmc and University Physicians | $315,189,862 |
| The Seattle Foundation | $314,722,382 |
| Maxaid | $309,119,754 |
| Community Health Network of Washington | $302,496,829 |
| Allen Institute | $272,058,206 |
| Bezos Family Foundation | $225,014,722 |
| Roots and Wings Foundation Inc | $200,460,454 |
| Locals 302 and 612 of the Internatl Union of Operating Engineers Const | $194,272,974 |
| Greater Good Charities | $173,184,051 |
| San Francisco Culinary Bartenders & Service Employees Welfare Fund | $168,933,341 |
| Bloodworks | $167,526,090 |
| Food Lifeline | $156,540,053 |
| The Young Mens Christian Association of Greater Seattle | $149,728,575 |
| California Service Employees Health and Welfare Trust Fund | $149,215,716 |
| Evergreen Goodwill of Northwest Washington | $149,123,828 |
| Teamsters Local Union 856 Health and Welfare Fund | $138,485,588 |
| Puget Sound Electrical Workers Healthcare Trust Fund | $138,058,976 |
| Seattle Pacific University | $136,323,721 |
| International Community Health Services | $126,188,688 |
| Lakeside School | $125,339,252 |
| Allen Family Philanthropies | $115,479,539 |
| Washington Institute for Coagulation | $112,675,357 |
| Seattle Theatre Group | $111,144,068 |
| Uw Physicians Network | $109,772,223 |
| Low Income Housing Institute | $108,602,261 |
| Pioneer Human Services | $105,291,649 |
| Downtown Emergency Service Center | $103,440,905 |
| Lighthouse for the Blind Inc | $98,108,860 |
| Heating Piping & Refrigeration Medical Fund | $92,594,964 |
| Neighborcare Health | $92,181,139 |
| The Seattle Academy of Arts and Sciences | $91,743,551 |
| Seattle Childrens Healthcare System | $90,680,689 |
| Woodland Park Zoological Society | $83,715,805 |
| Comagine Health | $82,589,113 |
| Benaroya Research Institute at Virginia Mason | $81,277,408 |
| Satterberg Foundation | $80,338,467 |
| Aldarra Foundation | $80,034,684 |
| Planned Parenthood Great Northwest Hawaii Alaska Indiana & Ky Inc | $78,618,237 |
| Swedish Medical Center Foundation | $77,149,780 |
| Salal Credit Union | $76,210,438 |
| Western Teamsters Welfare Trust | $73,253,134 |
| Seattle Metropolitan Credit Union | $70,977,296 |
| Plymouth Housing Group | $69,549,478 |
| Archdiocesan Housing Authority | $66,590,868 |
| Bellwether Housing | $65,307,433 |
| Panorama Global | $63,496,064 |
| Service Employees International Union | $63,375,655 |
| Casey Family Programs | $62,593,711 |
| Caroline Kline Galland Home | $60,893,133 |
| Portage Bay Insurance | $58,987,288 |
| Printing Specialties & Paper Prod Jt Empl & Un Health & Welf Plan | $55,584,083 |
| Northwest Iron Workers Health & Security Trust | $55,437,662 |
| Legal Foundation of Washington | $55,353,985 |
| Retirees Welfare Trust | $55,314,894 |
| Navos | $54,322,797 |
| Northwest Justice Project | $54,112,564 |
| Seattle Aquarium Society-Seas | $54,098,416 |
| craft3 | $53,607,388 |
| Cascade Public Media | $53,123,182 |
| Northwest Harvest E M M | $52,779,515 |
| Seattle Indian Health Board | $51,324,680 |
| United Way of King County | $49,716,900 |
| Young Womens Christian Association of Seattle-King County-Snohomish C | $49,353,654 |
| City University of Seattle | $49,107,770 |
| Service Employees Health and Welfare Trust | $48,685,676 |
| Credit Unions in the State of Washington | $48,232,886 |
| Horizon House | $43,899,919 |
| Institute for Systems Biology | $42,255,091 |
| Bush School | $41,257,378 |
| Asian Counseling and Referral Service | $40,365,307 |
| Jain Foundation Inc | $39,088,672 |
| International Association of Machinists & Aerospace Workers | $39,064,560 |
| Seattle Art Museum | $38,334,278 |
| University Preparatory Academy | $38,329,746 |
| Mira Bella | $36,770,855 |
| Sahsen Foundation | $35,106,215 |
| Marguerite Casey Foundation | $33,303,896 |
| Agc-International Union of Operating Engineers | $32,945,189 |
| Starbucks Foundation | $32,343,166 |
| Raikes Foundation | $28,715,403 |
| Norcliffe Foundation | $26,379,040 |
| Code Org | $25,176,713 |
| Wilburforce Foundation | $22,295,044 |
| 501 Commons | $21,401,173 |
| Experience Learning Community | $21,040,617 |
| Gates Philanthropy Partners | $20,676,943 |
| Los Angeles County Facilities Inc | $17,647,620 |
| Grousemont Foundation | $17,219,801 |
| Global Partnerships | $16,058,818 |
| Samis Foundation | $15,078,963 |
| Giving Grousbeck Fazzalari | $12,515,826 |
| Schultz Family Foundation | $11,660,132 |
| Stolte Family Foundation | $11,039,236 |
| Washington Research Foundation | $9,977,279 |
| Ken Birdwell Foundation | $4,545,385 |
| Kaphan Foundation | $3,996,290 |
| Kenrose Kitchen Table Foundation | $3,915,576 |