| AMERICAN CHEMICAL SOCIETY | $819,099,460 | U33 | published | launch: launch | Washington, DC | 2024 |
| INSTITUTE OF GAS TECHNOLOGY | $124,247,894 | U33 | published | science: research education | Des Plaines, IL | 2024 |
| GORDON RESEARCH CONFERENCES | $62,035,304 | U33 | published | science: research education | E Greenwich, RI | 2024 |
| SOUTHERN RESEARCH INSTITUTE | $50,381,130 | U33 | published | space: outer | Birmingham, AL | 2024 |
| AMERICAN MUTUAL SHARE INSURANCE CORP & SUBSIDIARIES | $14,307,789 | U33 | inferred 0.60 | | Dublin, OH | 2024 |
| SCIENCE HISTORY INSTITUTE | $9,264,372 | U33 | published | science: research education | Philadelphia, PA | 2024 |
| AMERICAN OIL CHEMISTS SOCIETY | $5,560,093 | U33 | published | science: research education | Champaign, IL | 2025 |
| CONCRETE ADVANCEMENT FOUNDATION INC | $2,111,884 | U33 | published | science: research education | Alexandria, VA | 2025 |
| AMERICAN CHEMICAL SOCIETY | $1,510,169 | U33 | published | science: research education | Loveland, CO | 2024 |
| INTERNATIONAL SOCIETY FOR CLINICAL DENSITOMETRY INC | $1,471,605 | U33 | published | science: research education | Middletown, CT | 2025 |
| CHEMFORWARD FOUNDATION | $1,364,039 | U33 | published | | San Francisco, CA | 2025 |
| AMERICAN CHEMICAL SOCIETY | $838,759 | U33 | published | science: research education | Ann Arbor, MI | 2024 |
| AMERICAN ASSOCIATION FOR AEROSOL RESEARCH INC | $830,266 | U33 | published | science: research education | Wakefield, MA | 2024 |
| INTERNATIONAL SCIENTIFIC ASSOC FOR PROBIOTICS AND PREBIOTICS INC | $790,030 | U33 | published | science: research education | Sacramento, CA | 2025 |
| AMERICAN CHEMICAL SOCIETY | $660,854 | U33 | published | science: research education | Jamaica, NY | 2025 |
| AMERICAN CHEMICAL SOCIETY | $652,583 | U33 | published | science: research education | Union Beach, NJ | 2025 |
| AMERICAN CHEMICAL SOCIETY | $483,979 | U33 | published | science: research education | Blacksburg, VA | 2025 |
| AMERICAN CHEMICAL SOCIETY | $435,686 | U33 | published | science: research education | Toledo, OH | 2020 |
| GEOCHEMICAL SOCIETY | $417,744 | U33 | published | science: research education | Alexandria, VA | 2025 |
| AMERICAN CHEMICAL SOCIETY | $381,215 | U33 | published | science: research education | University Park, PA | 2025 |
| AMERICAN CHEMICAL SOCIETY | $356,874 | U33 | inferred 0.50 | | Los Angeles, CA | 2024 |
| AMERICAN CHEMICAL SOCIETY | $349,041 | U33 | published | science: research education | Ann Arbor, MI | 2025 |
| AMERICAN CHEMICAL SOCIETY | $316,183 | U33 | published | science: research education | Midland, MI | 2025 |
| CLEAN FUELS ALLIANCE FOUNDATION | $276,486 | U33 | published | | Jefferson Cty, MO | 2024 |
| AMERICAN CHEMICAL SOCIETY | $220,085 | U33 | published | science: research education | Holland, PA | 2025 |
| EMBEDDED MICROPROCESSOR BENCHMARK CONSORTIUM | $197,000 | U33 | inferred 0.60 | | Portland, OR | 2023 |
| Interactive Financial Exchange Forum | $196,517 | U33 | inferred 0.45 | | Wakefield, MA | 2016 |
| AMERICAN CHEMICAL SOCIETY | $187,255 | U33 | published | science: research education | Lisle, IL | 2025 |
| AMERICAN CHEMICAL SOCIETY | $177,816 | U33 | published | science: research education | Ames, IA | 2024 |
| SOCIETY OF COSMETIC CHEMISTS | $173,388 | U33 | published | science: research education | Chicago, IL | 2024 |
| PLASTICS PIONEERS ASSOCIATION | $167,324 | U33 | published | science: research education | Saugatuck, MI | 2024 |
| VOICCE INC | $157,988 | U33 | inferred 0.45 | | Hampton, VA | 2011 |
| CENTER FOR POWDER METALLURGY TECHNOLOGY | $138,824 | U33 | published | science: research education | Princeton, NJ | 2024 |
| AMERICAN CHEMICAL SOCIETY | $113,778 | U33 | published | science: research education | Cincinnati, OH | 2025 |
| AMERICAN CHEMICAL SOCIETY | $113,152 | U33 | published | science: research education | Columbia, MO | 2024 |
| AMERICAN CHEMICAL SOCIETY | $94,059 | U33 | published | | Los Alamos, NM | 2025 |
| CHEAI RESEARCH INC | $89,225 | U33 | published | | San Jose, CA | 2024 |
| THE COLORADO SECTION OF THE AMERICAN CHEMICAL SOCIETY | $84,356 | U33 | published | science: research education | Golden, CO | 2025 |
| CHEMICAL ENGINEERING DIVISION OF ASEE | $81,883 | U33 | published | | Akron, OH | 2024 |
| INTERNATIONAL SOCIETY FOR NUCLEOTIDES & NUCLEIC ACIDS | $77,536 | U33 | published | science: research education | Baltimore, MD | 2025 |
| AMERICAN CHEMICAL SOCIETY | $76,508 | U33 | published | science: research education | New Windsor, MD | 2025 |
| FUEL FREEDOM FOUNDATION | $75,004 | U33 | published | | Lake Forest, CA | 2025 |
| ARKAT USA INC | $73,499 | U33 | published | | Gainesville, FL | 2025 |
| AMERICAN CHEMICAL SOCIETY | $72,038 | U33 | published | science: research education | Indianapolis, IN | 2025 |
| AMERICAN CHEMICAL SOCIETY | $71,283 | U33 | published | science: research education | Aiken, SC | 2025 |
| AMERICAN CHEMICAL SOCIETY | $62,585 | U33 | published | science: research education | Oak Ridge, TN | 2025 |
| NORTH AMERICAN MIXING FORUM INC | $60,292 | U33 | published | | Xenia, OH | 2024 |
| AMERICAN CHEMICAL SOCIETY | $59,723 | U33 | published | science: research education | N Saint Paul, MN | 2024 |
| CERTIFIED WELDING BUREAU | $57,107 | U33 | inferred 0.45 | | Burr Ridge, IL | 2024 |
| MINNESOTA CHROMATOGRAPHY FORUM | $55,246 | U33 | published | science: research education | Minneapolis, MN | 2025 |
| FOUNDATION FOR RECREATIONAL BOATING SAFETY AND EDUCATION | $51,310 | U33 | inferred 0.45 | | Chicago, IL | 2025 |
| E-BAR-C FAMILY FOUNDATION | $49,269 | U33 | published | | Ogden, UT | 2025 |
| BECKMAN LASER INSTITUTE INC | $42,651 | U33 | inferred 0.60 | | Fountain Valley, CA | 2023 |
| CLIMATE CHANGE TRUTH | $23,400 | U33 | published | | Portland, OR | 2025 |
| GREAT PLAINS CATALYSIS SOCIETY | $21,758 | U33 | published | | Bartlesville, OK | 2025 |
| CHEMISTS WITHOUT BORDERS INC | $11,727 | U33 | published | science: research education | Cloverdale, CA | 2025 |
| CATALYSIS SOCIETY OF METROPOLITAN NEW YOR INC | $9,365 | U33 | published | | Piscataway, NJ | 2024 |
| FRIENDS OF THE ROYAL SOCIETY OF CHEMISTRY INC | $0 | U33 | published | | Milwaukee, WI | 2023 |
| PHARMACEUTICAL CHEMISTRY CONFERENCES INC | $0 | U33 | inferred 0.60 | science: research education | Lawrence, KS | 2012 |
| SALES ASSOCIATION OF THE CHEMICAL INDUSTRY INC | -$22,939 | U33 | published | | Dumont, NJ | 2025 |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.60 | | Colchester, VT | |
| NORTHEAST SECTION OF THE AMERICAN ASSOCIATION FOR CLINICAL CHEM INC | - | U33 | published | | Boston, MA | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.70 | | Maumee, OH | |
| CATALYSIS CLUB OF CHICAGO | - | U33 | inferred 0.50 | | Des Plaines, IL | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.70 | | Fairfield, CT | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.60 | | Highland, NY | |
| INTERNATIONAL ASSOCIATION OF NANOTECHNOLOGY | - | U33 | published | | Moffett Field, CA | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.55 | | Princeton Jct, NJ | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.55 | | W Long Branch, NJ | |
| CALIFORNIA ASSOCIATION OF CHEMISTRY | - | U33 | inferred 0.45 | | Brea, CA | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.80 | | Lafayette, IN | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.75 | | Kronenwetter, WI | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.75 | | Mount Pulaski, IL | |
| AMERICAN INSTITUTE OF CHEMICAL | - | U33 | inferred 0.45 | | Ann Arbor, MI | |
| AMERICAN CHEMICAL SOCEITY | - | U33 | inferred 0.70 | | University Park, PA | |
| PHILADELPHIA ORGANIC CHEMISTS CLUB | - | U33 | published | | St Davids, PA | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.80 | | Milledgeville, GA | |
| BIO ENVIRONMENTALLY DEGRADABLE POLYMER SOCIETY INC | - | U33 | published | | Plano, TX | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.85 | | Columbus, OH | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.60 | | Miamisburg, OH | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.60 | | Vincent, OH | |
| GOLD CLOUD INC | - | U33 | published | | Las Vegas, NV | |
| SOULAR | - | U33 | published | | Baltimore, MD | |
| PACIFIC CONFERENCE ON CHEMISTRY AND | - | U33 | inferred 0.55 | | Laguna Niguel, CA | |
| ENERGY EXTRACTION TECHNOLOGIES | - | U33 | published | | Howell, MI | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.60 | | Cleveland, OH | |
| SOCIETY FOR ELECTROANALYTICAL CHEMISTRY INC | - | U33 | inferred 0.70 | | W Lafayette, IN | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.70 | | Owensboro, KY | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.60 | | Fort Wayne, IN | |
| CHEMISTRY TRUST OF URBANA ILLINOIS | - | U33 | inferred 0.60 | | Urbana, IL | |
| APPLIED POLYMER TECHNOLOGY EXTENSION CONSORTIUM | - | U33 | published | | Baton Rouge, LA | |
| INORGANIC SYNTHESIS INC | - | U33 | inferred 0.70 | | Pittsburgh, PA | |
| WESTERN MICHIGAN CHEMICAL SOCIETY | - | U33 | inferred 0.70 | | Holland, MI | |
| EARNDT FOUNDATION | - | U33 | published | | Sacramento, CA | |
| BLACK DIAMOND PROJECT CORP | - | U33 | published | | Capo Beach, CA | |
| CODING BUDDIES | - | U33 | published | | Glendale, CA | |
| AMERICAN CHEMICAL SOCIETY | - | U33 | inferred 0.80 | | Des Moines, IA | |
| CHEME-SPORTS AT VIRGINIA TECH | - | U33 | published | | Blacksburg, VA | |
| MATERIALS RESEARCH FOUNDATION | - | U33 | published | | Stillwater, OK | |
| POPLAR SPRINGS CEMETERY ASSOCIATION | - | U33 | published | | Hazlehurst, MS | |