| THE YOUNG MEN'S CHRISTIAN ASSOCIATION OF GREATER SEATTLE (6871) | Seattle | P270 Human Services | $137.8M | 14 |
| THE ROOTS AND WINGS FOUNDATION INC | Seattle | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $136.2M | 1 |
| Teamsters Local Union 856 Health And Welfare Fund | Seattle | — | $135M | 4 |
| GATES PHILANTHROPY PARTNERS | Seattle | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $132.4M | 8 |
| TRI-STATE MEMORIAL HOSPITAL | Clarkston | E20 Health Care | $131.5M | 9 |
| Business Health Trust | Mukilteo | Y43 Mutual & Membership Benefit | $130.4M | 0 |
| WESTERN HEALTHCONNECT | Renton | E21 Health Care | $129.7M | 14 |
| VEBA Trust for Public Employees in the State of WA | Spokane | Y43 Mutual & Membership Benefit | $129.4M | 0 |
| LOW INCOME HOUSING INSTITUTE | Seattle | Z99Z Unknown | $129.3M | 8 |
| IQ CREDIT UNION | Vancouver | — | $128.7M | 26 |
| SEATTLE PACIFIC UNIVERSITY | Seattle | B430 Education | $128.4M | 13 |
| LAKESIDE SCHOOL | Seattle | B200 Education | $125.3M | 11 |
| NORTHWEST SHEET METAL WORKERS WELFARE FUND | Spokane | — | $124.7M | 0 |
| Northwest Fire Fighters Benefits Trust | Mukilteo | Y43 Mutual & Membership Benefit | $124.5M | 0 |
| SUNNYSIDE COMMUNITY HOSPITAL ASSOCIATION | Sunnyside | E22 Health Care | $124.3M | 8 |
| PUGET SOUND ELECTRICAL WORKERS HEALTHCARE TRUST FUND | Seattle | — | $123.3M | 0 |
| HARBORSTONE CREDIT UNION | Tacoma | — | $122.7M | 22 |
| WASHINGTON INSTITUTE FOR COAGULATION | Seattle | G99 Diseases, Disorders & Medical Disciplines | $122.5M | 8 |
| DAY 1 ACADEMIES | Mercer Island | B21 Education | $122M | 14 |
| Breakthrough Energy Foundation | Kirkland | W80 Public & Societal Benefit | $115.2M | 0 |
| GRAYS HARBOR COMMUNITY HOSPITAL | Aberdeen | — | $114.4M | 10 |
| WASHINGTON STATE UNIVERSITY FOUNDATION | Pullman | B12 Education | $111.6M | 12 |
| HORIZON CREDIT UNION | Spokane Valley | — | $110.2M | 8 |
| COMPREHENSIVE HEALTHCARE | Yakima | F300 Mental Health & Crisis Intervention | $106.9M | 14 |
| PIONEER HUMAN SERVICES INC | Seattle | P200 Human Services | $105.3M | 8 |
| COVENANT HEALTH SYSTEM | Renton | E210 Health Care | $101.7M | 17 |
| INTERNATIONAL COMMUNITY HEALTH SERVICES | Seattle | E320 Health Care | $101.2M | 19 |
| THE ALDARRA FOUNDATION | Seattle | T22 Philanthropy, Voluntarism & Grantmaking Foundations | $100M | 0 |
| UW PHYSICIANS NETWORK | Seattle | B99Z Education | $98.8M | 22 |
| THE LIGHTHOUSE FOR THE BLIND INC | Seattle | — | $98.5M | 13 |
| NEIGHBORCARE HEALTH | Seattle | E30Z Health Care | $97.8M | 12 |
| Inland Power and Light | Spokane | — | $96.6M | 17 |
| BENAROYA RESEARCH INSTITUTE AT VIRGINIA | Seattle | H920 Medical Research | $93.6M | 9 |
| KEN BIRDWELL FOUNDATION (DBA MAGIC CABINET) C/O CLARK NUBER PS | Bellevue | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $93.3M | 2 |
| COMPASS HEALTH | Everett | Z99 Unknown | $93.3M | 13 |
| Frontier Behavioral Health | Spokane | F80Z Mental Health & Crisis Intervention | $92.6M | 10 |
| DOWNTOWN EMERGENCY SERVICE CENTER | Seattle | F300 Mental Health & Crisis Intervention | $92.2M | 7 |
| Goodwill of the Olympics and Rainier Region | Tacoma | J32Z Employment | $90.6M | 12 |
| HOPELINK | Redmond | P20 Human Services | $90.3M | 12 |
| LUBBOCK HERITAGE HOSPITAL LLC | Renton | E21 Health Care | $90M | 13 |
| COMAGINE HEALTH | Seattle | — | $87.8M | 12 |
| SOUND | Tukwila | — | $86.9M | 12 |
| COMMUNITY HEALTH CARE | Tacoma | E30Z Health Care | $86.6M | 11 |
| SEATTLE THEATRE GROUP | Seattle | A610 Arts, Culture & Humanities | $86.5M | 15 |
| CHILDRENS HOME SOCIETY OF WASHINGTON | Seattle | P400 Human Services | $86.1M | 7 |
| Volunteers of America Western Washington | Everett | — | $85.7M | 5 |
| LIFECENTER NORTHWEST | Bellevue | E99 Health Care | $85.4M | 8 |
| PAINTERS TRUST | Tukwila | — | $85.2M | 1 |
| KONZEN FAMILY FOUNDATION | Bellevue | T99 Philanthropy, Voluntarism & Grantmaking Foundations | $84.4M | 0 |
| YOUNG MEN'S CHRISTIAN ASSOCIATION OF PIERCE AND KITSAP COUNTIES | Tacoma | P270 Human Services | $84.1M | 11 |
