| NATIONAL BLOOD TESTING PARTNERS INC | $41,109,844 | H19 | inferred 0.50 | | Stone Mountain, GA | 2024 |
| WILLS EYE OPHTHALMOLOGY CLINIC INC | $33,133,166 | H19 | published | | Philadelphia, PA | 2024 |
| SUPERIOR HEALTH QUALITY ALLIANCE INC | $15,948,657 | H19 | published | | Madison, WI | 2024 |
| BIOMED VALLEY CORPORATION | $14,042,463 | H19 | published | science: research education | Kansas City, MO | 2024 |
| SOUTH SHORE HEALTH EXPRESS INC | $11,958,350 | H19 | published | | S Weymouth, MA | 2024 |
| CENTER INDUSTRIES COMPANY INC | $5,861,345 | H19 | published | | Wichita, KS | 2024 |
| GALIEN FOUNDATION INC | $4,258,698 | H19 | published | science: research education | New York, NY | 2025 |
| CHANEY FAMILY FOUNDATION | $3,475,231 | H19 | published | | Lyndhurst, OH | 2024 |
| ARIZONA VETERANS RESEARCH AND EDUCATION FOUNDATION | $3,292,673 | H19 | published | | Phoenix, AZ | 2025 |
| THE FOUNDATION FOR PERIPHERAL NEUROPATHY | $2,561,621 | H19 | published | | Buffalo Grove, IL | 2025 |
| HUB HOUSTON INC | $2,369,800 | H19 | published | | Houston, TX | 2024 |
| BEAT CHILDHOOD CANCER FOUNDATION INC | $1,620,876 | H19 | published | science: research education | Braintree, MA | 2024 |
| NCMIC FOUNDATION INC | $1,392,795 | H19 | published | | Clive, IA | 2025 |
| CARESTAR COMMUNITY SERVICES | $1,306,777 | H19 | published | | Cincinnati, OH | 2025 |
| PIRE CALIFORNIA INC | $911,276 | H19 | published | | Berkeley, CA | 2025 |
| MINERVA FOUNDATION INC | $908,194 | H19 | published | | Pennington, NJ | 2024 |
| PURPLE PANSIES INC | $736,195 | H19 | published | | Cumming, GA | 2025 |
| DORDICK TRIAL COLLEGE 2 CORP | $518,999 | H19 | published | | Beverly Hills, CA | 2024 |
| AUTISM TREE PROJECT INC | $477,889 | H19 | published | | San Diego, CA | 2024 |
| SAHA FOUNDATION FOR CARDIOVASCULAR RESEARCH AND EDUCATION INC | $456,406 | H19 | published | | Lexington, KY | 2024 |
| MISSOURI COALITION FOR LIFESAVING CURES INC | $451,726 | H19 | published | science: research education | Kansas City, MO | 2024 |
| NORTH STAR REVIEW BOARD | $440,300 | H19 | published | | Freeport, ME | 2025 |
| FULL STEAM FORWARD INC | $379,427 | H19 | published | girls boys: girls | New York, NY | 2024 |
| BIOHOUSTON INC | $357,470 | H19 | published | | Houston, TX | 2024 |
| 1907 FOUNDAITON INTERNATIONAL INC | $327,179 | H19 | published | women: issues | Naples, FL | 2022 |
| GOLD RUSH CURE FOUNDATION INC | $297,385 | H19 | published | | Laguna Niguel, CA | 2024 |
| NATIONAL BEHAVIORAL CONSORTIUM INC | $256,653 | H19 | published | science: research education | Weston, FL | 2025 |
| CLARENCE & LOLA HINDENBURG CHARITABLE TR | $251,528 | H19 | published | | Bloomington, IL | 2025 |
| RESEARCH ADVOCACY NETWORK INC | $250,993 | H19 | published | | Plano, TX | 2025 |
| TELEHEALTH ACCESS FOR AMERICA | $240,000 | H19 | published | | Sausalito, CA | 2025 |
| INTERNATIONAL THYMIC MALIGNANCY INTEREST GROUP | $216,569 | H19 | published | science: research education | Sleepy Hollow, NY | 2025 |
| ZEBRAFISH DISEASE MODELS SOCIETY | $212,236 | H19 | published | science: research education | Clifton Park, NY | 2025 |
| JEFFERSON REGIONAL MEDICAL CENTER FOUNDATION | $202,312 | H19 | published | | Pine Bluff, AR | 2024 |
| AMERICAN PEDIATRIC SURGICAL NURSES ASSOCIATION | $193,970 | H19 | published | science: research education | Jefferson Cty, MO | 2025 |
| CONSORTIUM OF ORIENTAL MEDICINE RESEARCH AND EDUCATION | $191,028 | H19 | published | science: research education | Orange, CA | 2024 |
| PARTNERSHIP FOR ACHIEVING TOTAL HEALTH INC | $152,961 | H19 | published | | New Orleans, LA | 2024 |
| POLIS RECOVERY PROJECT | $138,740 | H19 | published | | Seattle, WA | 2025 |
| SABESAN ORTHOPAEDICS RESEARCH INC | $131,473 | H19 | published | | Boca Raton, FL | 2025 |
| JANES ROOM | $120,015 | H19 | published | | Glenview, IL | 2024 |
| HANDS AND VOICES OF KENTUCKY INC | $108,402 | H19 | published | | Louisville, KY | 2024 |
| TRI-COUNTY DEVELOPMENT CORP | $97,500 | H19 | published | | Savannah, TN | 2025 |
| RR AND RYAN FAMILY FOUNDATION | $85,100 | H19 | published | | Wayland, MA | 2024 |
| CONFERENCE FOR THE MODEL AQUATIC HEALTH CODE | $63,722 | H19 | published | | Monument, CO | 2025 |
| ACREDITAS GLOBAL | $60,185 | H19 | published | | Deerfield, IL | 2025 |
| PINKYS PASSION FOR A PARKINSONS CURE | $59,768 | H19 | published | | Shoreline, WA | 2012 |
| FOUNDATION FOR REGENERATIVE MEDICINE INC | $53,370 | H19 | published | science: research education | Orange, CA | 2019 |
| ALTERNATIVE CANCER RESEARCH FUND | $46,589 | H19 | published | | Phoenix, AZ | 2020 |
| CHILDREN OF GOD FOR LIFE INC | $41,631 | H19 | published | science: research education | Hideaway, TX | 2024 |
| ANGELS FOR ALYSSA | $38,243 | H19 | published | | Elliottsburg, PA | 2024 |
| TRAZANA A STAPLES ALTERNATIVE STROKE RECOVERY FUND | $35,425 | H19 | published | violence: community | Cincinnati, OH | 2024 |
| MADAGASCAR HEALTH AND ENVIRONMENTAL RESEARCH INC | $35,281 | H19 | published | | Boston, MA | 2021 |
| NATIONAL ORGANIZATION OF ALTERNATIVE PROGRAMS | $25,308 | H19 | published | | Hoover, AL | 2025 |
| SPOONBILL FOUNDATION | $24,611 | H19 | published | | Portland, OR | 2024 |
| DAVID H NICKERSON FOUNDATION | $24,532 | H19 | published | | Scottsdale, AZ | 2022 |
| ALEXANDERS ANGELS INC | $24,472 | H19 | published | | Jericho, NY | 2025 |
| PUZZLE SOLVERS | $21,608 | H19 | published | | Cortland, NY | 2019 |
| RENEMARIE LANGUAGE OF LOVE FOUNDATION INC | $20,697 | H19 | published | | Hawthorne, NJ | 2024 |
| WEBB COUNTY FREEDOM RIDERS | $18,881 | H19 | published | domestic violence | Laredo, TX | 2014 |
| RYLIES SMILE FOUNDATION INC | $14,406 | H19 | published | | Rehoboth Bch, DE | 2015 |
| WISCONSIN SECURITY RESEARCH CONSORTIUM INC | $12,484 | H19 | published | | Madison, WI | 2019 |
| BLISSFUL HEARTS | $7,306 | H19 | published | | Fruita, CO | 2022 |
| OYE GLOBAL MEDICAL FOUNDATION INC | $5,200 | H19 | published | | Stanaford, WV | 2022 |
| HOPE4HARPER | $4,280 | H19 | published | | The Colony, TX | 2024 |
| OUR LITTLE JEWELS INC | $2,178 | H19 | published | | Mount Airy, MD | 2024 |
| JOAN DECOTIS FOUNDATION | $1,700 | H19 | published | | Saunderstown, RI | 2025 |
| SANTHIGRAM FOUNDATION A NJ NONPROFIT CORPORATION | $593 | H19 | published | | Edison, NJ | 2024 |
| QUAD FOUNDATION INC | $514 | H19 | published | | San Diego, CA | 2024 |
| MED MAN SIMULATIONS INC | $144 | H19 | published | | Chestnut Hill, MA | 2024 |
| KANSAS WHEAT GROWERS RESEARCH FOUNDATION | $2 | H19 | inferred 0.60 | | Manhattan, KS | 2022 |
| WONG & SUN FAMILY FOUNDATION | $0 | H19 | published | | Glen Head, NY | 2024 |
| THOMAS AND HISAKO NOGUCHI FOUNDATION CHARITABLE TR 2-9-15 | $0 | H19 | published | | Los Angeles, CA | 2023 |
| INTERNATIONAL FOUNDATION FOR BIOMEDICAL AGING RESEARCH | $0 | H19 | inferred 0.55 | | Temple, TX | 2023 |
| Washington Wheat Research Foundation | $0 | H19 | inferred 0.60 | | Spokane, WA | 2010 |
| AIR BOOST | $0 | H19 | published | | Austin, TX | 2024 |
| RETINOBLASTOMA OF ARIZONA | - | H19 | published | | Chandler, AZ | |
| COUNCIL FOR TOBACCO RESEARCH USA | - | H19 | inferred 0.60 | | New York, NY | |
| INTERNATIONAL FEDERATION OF KIDNEY | - | H19 | inferred 0.50 | | Los Angeles, CA | |
| INTERNATIONAL CONSORTIUM FOR SPINAL GENETICS DEVELOPMENT AND DISEASE | - | H19 | published | | Lucas, TX | |
| TEXANS FOR STEM CELL RESEARCH | - | H19 | inferred 0.75 | | Austin, TX | |
| TIPPING THE SCALE | - | H19 | published | | Los Angeles, CA | 2024 |
| FOOTPRINTS IN THE COMMUNITY | - | H19 | published | | Salisbury, NC | |
| THE FIVE PROJECT FOR INTERNATIONAL AUTISM AND DISABILITY SUPPORT INC | - | H19 | published | | Randolph, MA | |
| DUCKS UNLIMITED INC | - | H19 | inferred 0.70 | | Memphis, TN | |
| RIBBON OF HOPE FOUNDATION INC | - | H19 | published | | Sterling Heights, MI | |
| HUMBLE ZION COMMUNITY OUTREACH CENTER | - | H19 | published | | Fort Pierce, FL | |
| AGING INITIATIVE | - | H19 | published | | Cambridge, MA | |
| ANESTHESIA RESEARCH FUND INC | - | H19 | inferred 0.60 | | Chicago, IL | |
| DESIGNER GENES-DOWN SYNDROME GROUP | - | H19 | published | | Waterloo, IA | |
| BEATING HEART HEALTH FOR WOMEN INC | - | H19 | published | | Apopka, FL | |
| WORTHINGTON CLINIC FOUNDATION | - | H19 | published | | Worthington, MN | |
| OVARIAN CANCER TRIAL AWARENESS NETWORK AND EMPOWERRMENT | - | H19 | published | | Flower Mound, TX | |
| CENTER FOR FORMATIVE ACTION AND REFLECTION | - | H19 | published | | San Antonio, TX | |
| CURE PRIZE INC | - | H19 | published | | Brookline, MA | |
| SHOWMEYOURSTETHOSCOPE FOUNDATION | - | H19 | published | | Hillsboro, MO | |
| ASSOCIATION OF NORTH CAROLINA CANCER REGISTRARS | - | H19 | published | | Thomasville, NC | |
| TEXAS FOUNDATION FOR OCCUPATIONAL THERAPY | - | H19 | published | | Houston, TX | |
| IMPLANT TRUTH SURVIVORS INC | - | H19 | published | | Calvert City, KY | |
| SMILES FOR KATIE | - | H19 | published | | Belford, NJ | |
| DAVID J KABAKOW FOUNDATION INC | - | H19 | published | | Scotch Plains, NJ | |
| TUBB3 FOUNDATION | - | H19 | published | | Dallas Center, IA | |