| SEIU Healthcare NW Health Benefits Trust Plan | Seattle | Y43 Mutual & Membership Benefit | $310.6M | 0 |
| MAXAID | Seattle | G19 Diseases, Disorders & Medical Disciplines | $309.1M | 2 |
| PACMED CLINICS | Renton | E30 Health Care | $304.7M | 13 |
| COMMUNITY HEALTH NETWORK OF | Seattle | — | $302.5M | 21 |
| Community Health Association of Spokane | Spokane | E320 Health Care | $300.4M | 14 |
| ASSOCIATION OF WASHINGTON CITIES | Olympia | — | $299.5M | 0 |
| SOUND HEALTH & WELLNESS TRUST | Bothell | — | $296M | 0 |
| CATHOLIC COMMUNITY SERVICES OF WESTERN | Seattle | P200 Human Services | $295.4M | 15 |
| THE ASSOCIATION OF CHRMC AND UNIVERSITY | Seattle | E120 Health Care | $278.1M | 24 |
| PROVIDENCE SAINT JOHN'S MEDICAL | Renton | E21 Health Care | $274.4M | 20 |
| ALLEN INSTITUTE | Seattle | H96 Medical Research | $272.1M | 10 |
| SWEDISH EDMONDS | Renton | E22 Health Care | $270.3M | 16 |
| NUMERICA CREDIT UNION | Spokane Valley | — | $255.2M | 35 |
| NORTHWEST CARPENTERS HEALTH AND SECURITY | Seattle | — | $243.4M | 5 |
| BEZOS FAMILY FOUNDATION | Seattle | T22 Philanthropy, Voluntarism & Grantmaking Foundations | $225M | 1 |
| PROVIDENCE MEDICAL INSTITUTE | Renton | Z99Z Unknown | $222M | 17 |
| SKOOKUM EDUCATIONAL PROGRAMS | Bremerton | — | $221.5M | 11 |
| VEBA Trust for Public Employees | Spokane | Y44 Mutual & Membership Benefit | $211.2M | 0 |
| THE ROOTS AND WINGS FOUNDATION INC | Seattle | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $200.5M | 1 |
| ST JOSEPH HEALTH SYSTEM | Renton | E21 Health Care | $191.3M | 19 |
| COVENANT MEDICAL GROUP | Renton | E310 Health Care | $187.1M | 20 |
| LOCALS 302 & 612 INTL UNION OF OPERATING | Seattle | — | $186.6M | 0 |
| ASEAAFSCME LOCAL 52 HEALTH | Spokane | Y43 Mutual & Membership Benefit | $185.5M | 0 |
| HEALTHPOINT | Renton | E32Z Health Care | $182.1M | 7 |
| UNIVERSITY OF WASHINGTON FOUNDATION | Seattle | B11 Education | $180.5M | 0 |
| HAPO COMMUNITY CREDIT UNION | Richland | Z99 Unknown | $171.2M | 33 |
| BOARD OF TRUSTEES OF WHITMAN COLLEGE | Walla Walla | B420 Education | $169.3M | 15 |
| Pacific Lutheran University | Tacoma | B430 Education | $165.5M | 9 |
| FOOD LIFELINE | Seattle | K33Z Food, Agriculture & Nutrition | $157.5M | 11 |
| THE UNIVERSITY OF PUGET SOUND | Tacoma | B430 Education | $157.2M | 21 |
| SEATTLE CHILDREN'S FOUNDATION | Seattle | — | $155.3M | 19 |
| BLOODWORKS | Seattle | E610 Health Care | $154.2M | 20 |
| GREATER GOOD CHARITIES | Seattle | T30 Philanthropy, Voluntarism & Grantmaking Foundations | $154.2M | 10 |
| KITSAP CREDIT UNION | Bremerton | — | $153.7M | 22 |
| SOUND CREDIT UNION | Tacoma | — | $151.5M | 22 |
| SECOND HARVEST INLAND NORTHWEST | Spokane | K31 Food, Agriculture & Nutrition | $151.4M | 6 |
| Wenatchee Valley Hospital | Wenatchee | — | $150.3M | 0 |
| WESTERN HEALTHCONNECT | Renton | E21 Health Care | $149.6M | 15 |
| NORTHWEST LABORERS - EMPLOYERS HEALTH | Bothell | — | $148.2M | 8 |
| WHITWORTH UNIVERSITY | Spokane | B430 Education | $146.8M | 10 |
| EVERGREEN GOODWILL | Seattle | — | $141.6M | 12 |
| NORTHWEST KIDNEY CENTERS | Seatac | E300 Health Care | $141.6M | 14 |
| EDUCATIONAL CORPORATION MUKOGAWA GAKUIN | Spokane | B200 Education | $141.4M | 9 |
| SEATTLE PACIFIC UNIVERSITY | Seattle | B430 Education | $140.8M | 12 |
| Confluence Health System | Wenatchee | — | $139M | 0 |
| WHATCOM EDUCATIONAL CREDIT UNION | Bellingham | W61 Public & Societal Benefit | $138.1M | 19 |
| THE YOUNG MEN'S CHRISTIAN ASSOCIATION OF GREATER SEATTLE (6871) | Seattle | P270 Human Services | $137.8M | 14 |
| Volunteers of America Western Washington | Everett | — | $136M | 8 |
| GATES PHILANTHROPY PARTNERS | Seattle | T20 Philanthropy, Voluntarism & Grantmaking Foundations | $132.4M | 8 |
| TRI-STATE MEMORIAL HOSPITAL | Clarkston | E20 Health Care | $131.5M | 9 |
