| HARVARD BUSINESS SCHOOL PUBLISHING CORPORATION | $313,544,802 | A33 | published | | Brighton, MA | 2024 |
| MOTION PICTURE ASSOCIATION INC | $83,171,053 | A33 | inferred 0.60 | | Sherman Oaks, CA | 2024 |
| NATIONAL ASSOCIATION OF BROADCASTERS | $71,545,822 | A33 | inferred 0.60 | | Washington, DC | 2024 |
| INTERNATIONAL BUREAU OF FISCAL DOCUMENTATION | $41,979,731 | A33 | inferred 0.45 | | Netherlands | 2024 |
| AMERICAN PRINTING HOUSE FOR THE BLIND INC | $40,464,322 | A33 | published | | Louisville, KY | 2024 |
| THE VENETOULIS INSTITUTE FOR LOCAL JOURNALISM | $27,342,716 | A33 | published | | Baltimore, MD | 2024 |
| PRINCETON UNIVERSITY PRESS | $23,513,546 | A33 | published | space: outer | Princeton, NJ | 2024 |
| TECHNOLOGY REVIEW INC | $22,067,000 | A33 | published | | Cambridge, MA | 2024 |
| PROJECT VERITAS | $20,703,077 | A33 | published | | Orlando, FL | 2021 |
| EDITORIAL PROJECTS IN EDUCATION INC | $19,799,377 | A33 | published | | Bethesda, MD | 2024 |
| THE CENTER FOR ECONOMIC RESEARCH AND SOCIAL CHANGE INC | $15,823,788 | A33 | published | women: issues | Chicago, IL | 2024 |
| GREATER EDUCATION OPPORTUNITIES FOUNDATION | $13,775,304 | A33 | published | | Indianapolis, IN | 2024 |
| ALLIANCE FOR AUDITED MEDIA | $12,953,699 | A33 | inferred 0.60 | | Schaumburg, IL | 2024 |
| SALT LAKE TRIBUNE INC | $12,933,378 | A33 | published | | Salt Lake Cty, UT | 2025 |
| AMERICAN PAYROLL INSTITUTE INC | $12,097,133 | A33 | inferred 0.50 | | San Antonio, TX | 2024 |
| CENTER FOR EDUCATION REFORM | $11,749,219 | A33 | published | | Washington, DC | 2024 |
| UNITED STATES NAVAL INSTITUTE | $10,963,609 | A33 | inferred 0.70 | science: research education | Annapolis, MD | 2024 |
| GLOBAL FUND FOR CHILDREN | $10,556,780 | A33 | published | violence: prevention | Washington, DC | 2024 |
| WMHT EDUCATIONAL TELECOMMUNICATIONS INC | $10,458,351 | A33 | inferred 0.60 | violence: community | Troy, NY | 2024 |
| RETRO REPORT INC | $10,037,460 | A33 | published | | Mystic, CT | 2025 |
| MACHON MASHE ROCKEACH INC | $8,974,550 | A33 | published | | Brooklyn, NY | 2024 |
| HARPERS MAGAZINE FOUNDATION | $8,576,622 | A33 | published | | New York, NY | 2024 |
| CHRONICLE OF PHILANTHROPY INC | $8,169,427 | A33 | published | | Washington, DC | 2024 |
| NATIONAL ENERGY EDUCATION DEVELOPMENT PROJECT INC | $8,046,427 | A33 | published | science: research education | Manassas, VA | 2025 |
| THE PLANETARY SOCIETY | $7,526,105 | A33 | published | space: outer | Pasadena, CA | 2024 |
| PREVENTION INSTITUTE | $7,073,323 | A33 | published | violence: gun | Oakland, CA | 2024 |
| BALTIMORE TEACHER NETWORK | $6,874,078 | A33 | published | | Baltimore, MD | 2024 |
| REMNANT PUBLICATIONS INC | $6,620,450 | A33 | published | | Coldwater, MI | 2024 |
| NATIONAL ASSOCIATION OF BENEFITS AND INSURANCE PROFESSIONALS | $6,471,561 | A33 | inferred 0.40 | | Washington, DC | 2024 |
| AMERICAN BOOKSELLERS ASSOC INC | $5,961,120 | A33 | published | | Harrison, NY | 2024 |
| NORTH ATLANTIC BOOKS | $5,941,970 | A33 | published | | Berkeley, CA | 2024 |
| AMERICAN SOCIETY OF PLANT BIOLOGISTS | $5,909,625 | A33 | inferred 0.70 | science: research education | Rockville, MD | 2024 |
| CAPITAL B NEWS INC | $5,853,158 | A33 | published | | New York, NY | 2024 |
| DER YID INC | $5,832,436 | A33 | inferred 0.80 | | Brooklyn, NY | 2023 |
| LIFE CHRISTIAN OUTREACH INC | $5,742,693 | A33 | published | men: issues | Columbia, MO | 2024 |
| EPOCHTIMES PUBLIC MEDIA INC | $5,615,959 | A33 | published | | Houston, TX | 2025 |
| REPERTOIRE INTERNATIONAL DE LITTERATURE MUSICALE INC | $5,137,263 | A33 | published | | New York, NY | 2024 |
| HARVARD LAW REVIEW ASSOCIATION | $5,106,956 | A33 | inferred 0.80 | | Cambridge, MA | 2024 |
| LIBERTIES JOURNAL FOUNDATION | $5,061,436 | A33 | published | | Washington, DC | 2025 |
| ASSOCIATION FOR RESEARCH AND ENLIGHTENMENT INC | $5,060,610 | A33 | published | science: research education | Virginia Bch, VA | 2024 |
| INTERNATIONAL WOMENS MEDIA FOUNDATION | $4,718,566 | A33 | published | women: issues | Washington, DC | 2024 |
| THE NEW PRESS INC | $4,627,459 | A33 | published | | New York, NY | 2024 |
| DAILY CALLER NEWS FOUNDATION | $4,489,729 | A33 | published | | Washington, DC | 2024 |
| FOUNDATION FOR CULTURAL REVIEW INC | $4,486,821 | A33 | published | | New York, NY | 2024 |
| READER INSTITUTE FOR COMMUNITY JOURNALISM INC | $4,404,040 | A33 | published | | Chicago, IL | 2024 |
| MEDICAL LETTER INC | $4,311,167 | A33 | published | | Larchmont, NY | 2024 |
| UNIVERSITY OF NORTH CAROLINA PRESS | $4,307,345 | A33 | published | science: research education | Chapel Hill, NC | 2024 |
| NEWSWELL | $4,304,570 | A33 | published | | Tempe, AZ | 2024 |
| HARVARD MAGAZINE INCORPORATED | $4,297,452 | A33 | published | | Cambridge, MA | 2024 |
| NATIONAL BRAILLE PRESS INC | $4,259,650 | A33 | published | | Boston, MA | 2024 |
| WILD EARTH SOCIETY INCORPORATED | $4,066,055 | A33 | published | launch: launch | Salt Lake Cty, UT | 2025 |
| LEXINGTON OBSERVER INC | $4,040,925 | A33 | published | | Lexington, MA | 2024 |
| PROMAX INTERNATIONAL-B P M E | $4,005,034 | A33 | inferred 0.80 | | Beverly Hills, CA | 2024 |
| WCIJ INC | $3,907,685 | A33 | published | violence: gun | Madison, WI | 2024 |
| INTERNATIONAL FOOD INFORMATION COUNCIL FOUNDATION | $3,825,611 | A33 | published | science: research education | Washington, DC | 2025 |
| INVESTIGATIVE REPORTERS AND EDITORS INC | $3,751,766 | A33 | published | | Columbia, MO | 2024 |
| NON-VIOLENCE INTERNATIONAL | $3,655,064 | A33 | inferred 0.50 | violence: prevention | Washington, DC | 2024 |
| AMERICAN EVALUATION ASSOCIATION | $3,653,440 | A33 | published | | Washington, DC | 2024 |
| CAPITAL & MAIN | $3,630,324 | A33 | published | | Los Angeles, CA | 2024 |
| THE ALLIANCE OF INDIANA RURAL WATER INC | $3,483,766 | A33 | inferred 0.45 | | Franklin, IN | 2024 |
| BOARDSOURCE | $3,460,379 | A33 | published | | Washington, DC | 2025 |
| KENYON REVIEW | $3,454,496 | A33 | published | | Gambier, OH | 2024 |
| YOUTH FINANCIAL LITERACY FOUNDATION | $3,344,008 | A33 | published | | Farmington Hills, MI | 2025 |
| GRAYWOLF PRESS | $3,332,156 | A33 | published | | Minneapolis, MN | 2025 |
| MONTANA FREE PRESS | $3,308,425 | A33 | published | | Helena, MT | 2025 |
| TRUTHOUT | $3,276,665 | A33 | published | | Sacramento, CA | 2024 |
| ASSOCIATION OF BOARDS IN THEOLOGICAL EDUCATION IN TRUST | $3,226,315 | A33 | published | | Wilmington, DE | 2025 |
| FAIRBANKS PUBLIC MEDIA INC | $3,201,483 | A33 | published | | Fairbanks, AK | 2024 |
| THE 74 MEDIA INC | $3,186,574 | A33 | published | launch: launch | New York, NY | 2024 |
| D6 FAMILY MINISTRY | $3,137,095 | A33 | published | | Nashville, TN | 2025 |
| UNIVERSITY PRESS OF MISSISSIPPI INC | $3,101,516 | A33 | published | | Jackson, MS | 2024 |
| COMMITTEE FOR A CONSTRUCTIVE TOMORROW | $3,084,685 | A33 | inferred 0.55 | | Washington, DC | 2025 |
| THE BOOK ARTS PRESS INC | $2,995,593 | A33 | published | | Charlottesvle, VA | 2024 |
| AMERICAN PROSPECT INC | $2,986,533 | A33 | published | | Washington, DC | 2024 |
| FAMILY LIFE MINISTRIES INC | $2,974,547 | A33 | published | | Zeeland, MI | 2025 |
| WOODLAND PATTERN INC | $2,922,957 | A33 | published | | Milwaukee, WI | 2025 |
| MINNPOST | $2,818,991 | A33 | published | | Minneapolis, MN | 2025 |
| NONPROFIT INFORMATION NETWORKING ASSOCIATION | $2,810,935 | A33 | published | women: issues | Pittsfield, MA | 2024 |
| SOCIETY OF ENVIRONMENTAL JOURNALISTS | $2,789,577 | A33 | published | science: research education | Washington, DC | 2024 |
| THE SUN PUBLISHING COMPANY | $2,755,614 | A33 | inferred 0.80 | | Chapel Hill, NC | 2023 |
| APOLOGETICS PRESS INCORPORATED | $2,708,125 | A33 | published | science: research education | Montgomery, AL | 2025 |
| THE CHRISTIAN CENTURY | $2,691,045 | A33 | published | | Chicago, IL | 2025 |
| THE SOCIAL JUSTICE FOUNDATION | $2,658,674 | A33 | inferred 0.55 | science: research education | Thousand Oaks, CA | 2019 |
| MIDWEST POLITICAL SCIENCE ASSOCIATION | $2,647,449 | A33 | published | science: research education | Bloomington, IN | 2024 |
| NATIONAL SCHOLASTIC PRESS ASSOCIATION | $2,598,775 | A33 | published | | Minneapolis, MN | 2024 |
| HEYDAY | $2,485,629 | A33 | published | science: research education | Berkeley, CA | 2025 |
| ETHIOPIAN COMMUNITY IN SEATTLE | $2,485,052 | A33 | published | | Seattle, WA | 2024 |
| ASSOCIATES IN RESEARCH AND EDUCATION FOR DEVELOPMENT INC | $2,481,879 | A33 | published | science: research education | Seattle, WA | 2024 |
| AMERICAN MEDICAL WRITERS ASSOCIATION | $2,469,040 | A33 | published | science: research education | Gaithersburg, MD | 2024 |
| INSTITUTE FOR PUBLIC AFFAIRS | $2,465,877 | A33 | inferred 0.70 | | Chicago, IL | 2024 |
| BAFFLER FOUNDATION INC | $2,465,764 | A33 | published | science: research education | New York, NY | 2024 |
| PSYCHOANALYTIC ELECTRONIC PUBLISHING INC JOINT VENTURE | $2,449,339 | A33 | published | | Wilmington, DE | 2024 |
| MARKETING & BUSINESS ADMINISTRATION RESEARCH AND CURRICULUM CENTER | $2,406,831 | A33 | published | | Columbus, OH | 2024 |
| TEXAS CONSERVATIVE COALITION RESEARCH INSTITUTE | $2,398,276 | A33 | published | | Austin, TX | 2024 |
| MAINE CENTER FOR PUBLIC INTEREST REPORTING | $2,380,657 | A33 | published | | Hallowell, ME | 2025 |
| NEW ART PUBLICATIONS INC | $2,365,983 | A33 | inferred 0.80 | | Brooklyn, NY | 2024 |
| OSLER INSTITUTE | $2,330,818 | A33 | inferred 0.50 | | Terre Haute, IN | 2023 |
| CENTRO DE PERIODISMO INVESTIGATIVO INC | $2,272,932 | A33 | published | | San Juan, PR | 2024 |
| SAN ANTONIO REPORT | $2,258,121 | A33 | published | | San Antonio, TX | 2025 |
| ACADEMY OF ORTHOPAEDIC PHYSICAL THERAPY APTA INC | $2,253,584 | A33 | inferred 0.60 | | La Crosse, WI | 2024 |