| CARNEGIE INSTITUTION OF WASHINGTON | Washington | U310 Science & Technology | $129.1M | 16 |
| JUDICIAL WATCH INC | Washington | W00M Public & Societal Benefit | $127.7M | 9 |
| INTERNATIONAL REPUBLICAN INSTITUTE | Washington | B80 Education | $126.5M | 8 |
| INTERNATIONAL FOOD POLICY RESEARCH | Washington | K050 Food, Agriculture & Nutrition | $126M | 19 |
| The Urban Institute | Washington | V340 Social Science | $124.7M | 9 |
| UNITED BROTHERHOOD OF CARPENTERS AND | Washington | — | $124.3M | 14 |
| American College of Cardiology Foundation | Washington | G43Z Diseases, Disorders & Medical Disciplines | $124.2M | 35 |
| CHILDREN'S HOSPITAL FOUNDATION | Washington | E120 Health Care | $123.3M | 9 |
| AMERICAN ASSOCIATION FOR THE ADVANCEMENT | Washington | U030 Science & Technology | $123.2M | 15 |
| MAJORITY FORWARD | Washington | — | $122.6M | 3 |
| FRIENDS OF THE WORLD FOOD PROGRAM INC | Washington | P20 Human Services | $122.1M | 9 |
| AMERICAN ASSOCIATION OF STATE HIGHWAY | Washington | S41Z Community Improvement & Capacity Building | $121.6M | 11 |
| GLOBALGIVING FOUNDATION INC | Washington | Q112 International, Foreign Affairs & National Security | $120.9M | 12 |
| Our American Future Foundation | Washington | R40 Civil Rights, Social Action & Advocacy | $120.3M | 0 |
| PATHFINDER INTERNATIONAL | Washington | Q300 International, Foreign Affairs & National Security | $119.9M | 13 |
| AMERICAN FEDERATION OF LABOR AND | Washington | — | $118M | 14 |
| AMERICA VOTES | Washington | S20 Community Improvement & Capacity Building | $115M | 12 |
| CAPITAL AREA FOOD BANK INC | Washington | K310 Food, Agriculture & Nutrition | $113.9M | 9 |
| BIOTECHNOLOGY INNOVATION ORGANIZATION | Washington | — | $113.8M | 8 |
| UNITED NATIONS FOUNDATION INC | Washington | Q114 International, Foreign Affairs & National Security | $113.4M | 9 |
| National Restaurant Association | Washington | — | $112.6M | 14 |
| NORTH AMERICAN ELECTRIC RELIABILITY CORP | Washington | S41 Community Improvement & Capacity Building | $112.4M | 27 |
| THE HALO TRUST (USA) INC | Washington | Q330 International, Foreign Affairs & National Security | $112M | 3 |
| AMERICAN COUNCILS FOR INTERNATIONAL | Washington | Q220 International, Foreign Affairs & National Security | $110.9M | 11 |
| AMERICAN SOCIETY OF HEMATOLOGY INC | Washington | G43Z Diseases, Disorders & Medical Disciplines | $108.3M | 11 |
| UNITED PALESTINIAN APPEAL INC | Washington | Q330 International, Foreign Affairs & National Security | $108.2M | 2 |
| AMERICAN BEVERAGE ASSOCIATION | Washington | — | $106.1M | 9 |
| NATIONAL COMMITTEE FOR QUALITY ASSURANCE | Washington | E31D Health Care | $103.1M | 14 |
| Means Database Inc | Washington | K30 Food, Agriculture & Nutrition | $102.3M | 1 |
| LABORERS' INTERNATIONAL UNION | Washington | — | $101.7M | 29 |
| THE HERITAGE FOUNDATION | Washington | W050 Public & Societal Benefit | $101M | 20 |
| BUILDING AMERICA'S FUTURE | Washington | R01 Civil Rights, Social Action & Advocacy | $100.2M | 4 |
| Greater Washington Community Foundation | Washington | T310 Philanthropy, Voluntarism & Grantmaking Foundations | $100M | 9 |
| SOUNDEXCHANGE INC | Washington | S40 Community Improvement & Capacity Building | $99.2M | 9 |
| CTIA - THE WIRELESS ASSOCIATION | Washington | — | $99M | 15 |
| THE MORRIS AND GWENDOLYN CAFRITZ | Washington | T21 Philanthropy, Voluntarism & Grantmaking Foundations | $98.1M | 1 |
| CONFERENCE OF STATE BANK SUPERVISORS | Washington | W19 Public & Societal Benefit | $97.6M | 12 |
| EDISON ELECTRIC INSTITUTE INC | Washington | S41 Community Improvement & Capacity Building | $96M | 21 |
| Mary's Center for Maternal and Child Care Inc | Washington | — | $96M | 14 |
| INTERNATIONAL UNION OF OPERATING | Washington | — | $93.2M | 31 |
| THE URBAN LAND INSTITUTE | Washington | C340 Environment | $93.1M | 18 |
| FIRST BOOK | Washington | B92Z Education | $92.3M | 12 |
| United Mine Workers of America 1992 Benefit | Washington | — | $91.1M | 7 |
| INTERNATIONAL ASSOCIATION OF SHEET METAL | Washington | J40 Employment | $90.5M | 45 |
| FREEDOM HOUSE | Washington | Q700 International, Foreign Affairs & National Security | $90.3M | 23 |
| CHILDREN'S RESEARCH INSTITUTE | Washington | H98Z Medical Research | $89.7M | 10 |
| THE BROOKINGS INSTITUTION | Washington | V220 Social Science | $89.4M | 26 |
| AMERICA'S HEALTH INSURANCE PLANS INC | Washington | Y23 Mutual & Membership Benefit | $89.4M | 12 |
| Thurgood Marshall College Fund | Washington | B82Z Education | $88.3M | 11 |
| United States Association for UNHCR | Washington | Q420 International, Foreign Affairs & National Security | $88M | 7 |
