| AARP | $10,969,160,920 | R25 | published | abuse: elder | Washington, DC | 2024 |
| CONFERENCE ON JEWISH MATERIAL CLAIMS AGAINST GERMANY | $1,629,819,378 | R99 | inferred 0.50 | | New York, NY | 2024 |
| NATIONAL EDUCATION ASSOCIATION OF THE UNITED STATES | $408,913,922 | R99 | inferred 0.50 | | Washington, DC | 2024 |
| AMERICAN CIVIL LIBERTIES UNION FOUNDATION INC | $306,750,536 | R60 | published | women: issues | New York, NY | 2024 |
| SECURING AMERICAN GREATNESS INC | $274,781,278 | R99 | inferred 0.50 | | Beverly, MA | 2024 |
| AMERICAN CIVIL LIBERTIES UNION INC | $222,051,375 | R20 | inferred 0.85 | women: issues | New York, NY | 2024 |
| NATIONAL RIFLE ASSOCIATION OF AMERICA | $173,824,471 | R60 | published | women: issues | Fairfax, VA | 2024 |
| LEAGUE OF CONSERVATION VOTERS INC | $159,276,886 | R01 | published | | Washington, DC | 2024 |
| OPEN SOCIETY POLICY CENTER INC | $157,180,674 | R99 | inferred 0.60 | women: issues | New York, NY | 2024 |
| Our American Future Action | $135,874,321 | R01 | inferred 0.60 | | Washington, DC | 2024 |
| BLUE SQUARE ALLIANCE AGAINST HATE CORP | $135,445,765 | R12 | published | | Foxborough, MA | 2024 |
| ANTI-DEFAMATION LEAGUE | $135,300,377 | R60 | published | | New York, NY | 2024 |
| AMERICAN JEWISH COMMITTEE | $126,680,875 | R20 | published | shelter: disaster | New York, NY | 2024 |
| ALLIANCE DEFENDING FREEDOM | $119,839,751 | R60 | published | | Scottsdale, AZ | 2024 |
| MAJORITY FORWARD | $119,607,435 | R40 | inferred 0.70 | | Washington, DC | 2024 |
| OUR AMERICAN FUTURE FOUNDATION | $104,446,737 | R40 | published | | Washington, DC | 2024 |
| BUILDING AMERICA S FUTURE | $100,223,489 | R01 | published | | Washington, DC | 2024 |
| FLORIDIANS PROTECTING FREEDOM | $95,659,616 | R61 | inferred 0.80 | | Miami, FL | 2024 |
| BROOKLYN DEFENDER SERVICES | $92,802,949 | R20 | published | abuse: child | Brooklyn, NY | 2024 |
| THE TREVOR PROJECT INC | $85,455,038 | R20 | published | | W Hollywood, CA | 2024 |
| MAJORITY FORWARD | $76,141,831 | R99 | inferred 0.50 | | Washington, DC | 2018 |
| RESTORATION OF AMERICA | $75,119,384 | R11 | published | | Ponte Vedra, FL | 2024 |
| EQUAL JUSTICE INITIATIVE | $73,423,570 | R63 | published | | Montgomery, AL | 2024 |
| FORWARD ACTION FUND | $72,292,778 | R05 | published | | Concord, NH | 2024 |
| N A A C P LEGAL DEFENSE AND EDUCATIONAL FUND INC | $68,473,100 | R22 | published | science: research education | New York, NY | 2024 |
| INDIVIDUAL ADVOCACY GROUP INC | $67,880,946 | R99 | published | | Romeoville, IL | 2024 |
| WASHINGTON EDUCATION ASSOCIATION | $66,720,102 | R99 | inferred 0.55 | | Federal Way, WA | 2024 |
| CHRISTIAN ADVOCATES SERVING EVANGELISM INC | $66,682,317 | R60 | published | | Atlanta, GA | 2025 |
| VOTER REGISTRATION PROJECT | $65,646,323 | R40 | inferred 0.88 | | Washington, DC | 2024 |
| MASSACHUSETTS TEACHERS ASSOCIATION | $63,359,031 | R01 | inferred 0.80 | | Quincy, MA | 2024 |
| KEY CHANGE INC | $61,714,079 | R99 | published | | Wichita, KS | 2024 |
| NAACP EMPOWERMENT PROGRAMS INC | $60,637,077 | R22 | published | science: research education | Baltimore, MD | 2024 |
| EVIDENCE FOR IMPACT | $58,477,883 | R99 | inferred 0.50 | | Washington, DC | 2024 |
| American Prosperity Alliance | $58,134,905 | R01 | inferred 0.70 | | Reston, VA | 2024 |
| THE VOTER PARTICIPATION CENTER | $57,968,925 | R40 | published | men: issues | Washington, DC | 2024 |
| INSTITUTE FOR HEALTHCARE IMPROVEMENT | $57,342,452 | R00 | published | science: research education | Boston, MA | 2024 |
| ILLINOIS COALITION FOR IMMIGRANT AND REFUGEE RIGHTS | $56,337,333 | R21 | published | women: issues | Chicago, IL | 2024 |
| CENTER FOR DISABILITY RIGHTS INC | $56,069,244 | R23 | published | | Rochester, NY | 2024 |
| PROTECT DEMOCRACY PROJECT | $55,482,925 | R05 | published | | Washington, DC | 2024 |
| INSTITUTE FOR JUSTICE | $55,276,320 | R60 | published | girls boys: girl scouts | Arlington, VA | 2024 |
| UNITED BROTHERHOOD OF CARPENTERS & JOINERS OF AMERICA | $55,085,894 | R01 | inferred 0.70 | women: issues | Dorchester, MA | 2024 |
| WORKING FAMILIES ORGANIZATION INC | $54,321,250 | R40 | published | men: issues | Brooklyn, NY | 2024 |
| CENTER FOR REPRODUCTIVE RIGHTS INC | $53,738,238 | R61 | published | violence: sexual | New York, NY | 2024 |
| HACKERMAN FOUNDATION INC | $53,572,474 | R20 | inferred 0.60 | violence: community | Towson, MD | 2024 |
| BLACK WARRIOR ELECTRIC MEMBERSHIP CORPORATION | $50,438,889 | R99 | inferred 0.40 | | Demopolis, AL | 2025 |
| HUMAN RIGHTS CAMPAIGN INC | $50,102,401 | R26 | published | violence: gun | Washington, DC | 2024 |
| LAMBDA LEGAL DEFENSE AND EDUCATION FUND INC | $49,825,428 | R20 | published | abuse: sexual | New York, NY | 2025 |
| NATIONAL DOMESTIC WORKERS ALLIANCE INC | $48,639,010 | R05 | published | domestic: workers | New York, NY | 2024 |
| SERVICE EMPLOYEES INTERNATIONAL UNION | $48,051,840 | R01 | inferred 0.60 | science: research education | Latham, NY | 2024 |
| PENNSYLVANIA COALITION AGAINST DOMESTIC VIOLENCE | $47,807,699 | R20 | inferred 0.60 | violence: prevention | Harrisburg, PA | 2024 |
| DISABILITY RIGHTS CALIFORNIA | $47,275,323 | R23 | published | abuse: sexual | Sacramento, CA | 2024 |
| NATIONAL COUNCIL OF ARCHITECTURAL REGISTRATION BOARDS | $44,571,765 | R99 | inferred 0.50 | | Washington, DC | 2024 |
| DIRECTORS GUILD OF AMERICA INC | $42,422,753 | R01 | inferred 0.60 | | Los Angeles, CA | 2024 |
| LEGAL SERVICES OF THE HUDSON VALLEY | $41,385,249 | R20 | inferred 0.80 | domestic violence | White Plains, NY | 2025 |
| TEXAS CASA INC | $40,492,195 | R20 | published | abuse: child | Austin, TX | 2024 |
| STRATEGIC VICTORY FUND | $40,360,245 | R99 | inferred 0.40 | | Raleigh, NC | 2024 |
| FOUNDATION FOR INDIVIDUAL RIGHTS AND EXPRESSION INC | $40,016,763 | R63 | published | abuse: substance | Philadelphia, PA | 2024 |
| LEGAL AID CENTER OF SOUTHERN NEVADA INC | $39,593,805 | R20 | published | abuse: child | Las Vegas, NV | 2024 |
| REFUGEE & IMMIGRANT CENTER FOR EDUCATION & LEGAL SERVICES | $39,153,257 | R21 | published | survivor: sexual | San Antonio, TX | 2024 |
| TRANSPORT WORKERS UNION OF AMERICA | $39,145,492 | R99 | inferred 0.50 | | Washington, DC | 2024 |
| HUMAN RIGHTS FOUNDATION INC | $38,718,664 | R60 | published | | New York, NY | 2024 |
| Citizens Not Politicians | $37,874,600 | R99 | inferred 0.60 | | Columbus, OH | 2024 |
| CENTER FOR VOTER INFORMATION | $37,443,456 | R24 | published | | Washington, DC | 2024 |
| CENTER FOR AMERICAN PROGRESS | $37,377,429 | R05 | published | science: research education | Washington, DC | 2024 |
| AMERICA FIRST WORKS INC | $36,744,971 | R99 | published | | Washington, DC | 2024 |
| DEMOCRACY MATTERS FOUNDATION | $35,588,226 | R60 | published | | Washington, DC | 2024 |
| NATIONAL PARTNERSHIP FOR WOMEN AND FAMILIES INC | $35,315,157 | R24 | inferred 0.80 | women: issues | Washington, DC | 2024 |
| CALIFORNIA CORRECTIONAL PEACE OFFICERS ASSOCIATION | $35,004,888 | R01 | inferred 0.60 | | W Sacramento, CA | 2024 |
| METROPOLITAN PUBLIC DEFENDER SERVICE INC | $34,929,296 | R20 | inferred 0.85 | | Portland, OR | 2025 |
| AMERICAN ASSOCIATION FOR JUSTICE | $34,573,890 | R03 | inferred 0.50 | | Washington, DC | 2024 |
| FREEDOM'S FUTURE FUND INC | $34,032,041 | R01 | inferred 0.50 | | Beverly, MA | 2022 |
| STATES UNITED DEMOCRACY CENTER INC | $33,298,013 | R01 | published | violence: prevention | Washington, DC | 2024 |
| AMERICA VOTES EDUCATION FUND | $32,962,809 | R40 | published | | Washington, DC | 2024 |
| WOMEN BUILDING UP INC | $32,656,046 | R24 | published | women: issues | Brooklyn, NY | 2024 |
| ONE GENERATION AWAY | $32,455,272 | R12 | published | | Franklin, TN | 2024 |
| AMERICAN CENTER FOR LAW AND JUSTICE INC | $32,419,217 | R60 | published | | Virginia Bch, VA | 2025 |
| THIRD WAY | $31,698,898 | R99 | published | violence: gun | Washington, DC | 2024 |
| MS FOUNDATION FOR WOMEN INC | $30,607,417 | R24 | published | domestic: workers | Brooklyn, NY | 2024 |
| PRO-DEMOCRACY CAMPAIGN | $30,396,970 | R19 | published | | Foxboro, MA | 2024 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES | $30,356,445 | R99 | inferred 0.50 | | Harrisburg, PA | 2024 |
| FEDERALIST SOCIETY FOR LAW & PUBLIC POLICY STUDIES | $30,054,748 | R01 | inferred 0.50 | | Washington, DC | 2024 |
| NATIONAL ASSOCIATION FOR THE ADVANCEMENT OF COLORED PEOPLE | $29,627,468 | R20 | inferred 0.85 | science: research education | Baltimore, MD | 2024 |
| FIRST LIBERTY INSTITUTE | $29,330,476 | R40 | published | | Plano, TX | 2024 |
| HUMAN RIGHTS CAMPAIGN FOUNDATION | $28,627,289 | R26 | published | violence: gun | Washington, DC | 2024 |
| INTERNATIONAL INSTITUTE OF NEW ENGLAND INC | $28,518,038 | R20 | published | | Boston, MA | 2024 |
| WAY TO WIN ACTION FUND INCORPORATED | $28,504,441 | R01 | published | | Washington, DC | 2024 |
| MOVEMENT ACTION FUND | $28,346,663 | R99 | published | | New York, NY | 2025 |
| ACCELERATE CHANGE INC | $28,175,012 | R22 | published | | Boston, MA | 2024 |
| NEW YORK IMMIGRATION COALITION INC | $28,120,992 | R01 | inferred 0.80 | launch: launch | New York, NY | 2024 |
| COUNCIL OF SCHOOL SUPERVISORS AND ADMINISTRATORS OF THE CITY OF NY | $27,196,877 | R29 | inferred 0.70 | | New York, NY | 2024 |
| CENTER FOR POPULAR PROGRESSIVE VALUES | $27,163,130 | R99 | inferred 0.60 | | New York, NY | 2019 |
| Campaign for a Safe and Healthy CA | $26,559,719 | R99 | inferred 0.60 | | Sacramento, CA | 2024 |
| PRIORITIES USA | $26,482,903 | R40 | published | | Washington, DC | 2024 |
| The Concord Fund | $26,475,000 | R01 | inferred 0.60 | | Vienna, VA | 2024 |
| INTER-TRIBAL COUNCIL OF ARIZONA INC | $26,287,020 | R30 | inferred 0.55 | women: issues | Phoenix, AZ | 2024 |
| FAITH AND FREEDOM COALITION INC | $26,101,107 | R01 | published | | Lawrenceville, GA | 2024 |
| AVAAZ FOUNDATION | $26,100,175 | R03 | published | shelter: disaster | New York, NY | 2024 |
| ANTI DEFAMATION LEAGUE FOUNDATION | $26,045,057 | R11 | published | | New York, NY | 2024 |
| CONGRESSIONAL BLACK CAUCUS FOUNDATION INC | $25,889,171 | R22 | published | violence: sexual | Washington, DC | 2025 |
| BVM CAPACITY BUILDING INSTITUTE INC | $25,246,868 | R02 | published | men: issues | Atlanta, GA | 2024 |