| UNIVERSITY OF LOUISVILLE ATHLETIC | $142,943,056 | N03 | published | | Louisville, KY | 2024 |
| UNITED STATES CENTER FOR SAFESPORT | $25,049,581 | N03 | published | abuse: sexual | Denver, CO | 2024 |
| RIVER HERITAGE CONSERVANCY INC | $16,703,300 | N03 | published | | Jeffersonvlle, IN | 2025 |
| CLASSIC CITY COLLECTIVE INC | $16,198,789 | N03 | published | | Santa Rsa Bch, FL | 2024 |
| USA SOFTBALL INC | $13,494,150 | N03 | published | abuse: child | Oklahoma City, OK | 2025 |
| ASUN CONFERENCE INC | $7,854,981 | N03 | published | | Jacksonville, FL | 2017 |
| NATIONAL SKI AREAS ASSOCIATION INC | $6,535,171 | N03 | inferred 0.60 | | Lakewood, CO | 2024 |
| AMERICAN FOOTBALL COACHES ASSOCIATION | $6,207,325 | N03 | inferred 0.60 | | Waco, TX | 2024 |
| NATIONAL INTRAMURAL ASSOCIATION | $6,137,643 | N03 | inferred 0.70 | | Corvallis, OR | 2024 |
| INDY INNOVATION CHALLENGE INC | $6,131,279 | N03 | published | | Indianapolis, IN | 2024 |
| NATIONAL ARCHERY ASSOCIATION OF THE UNITED STATES | $6,045,306 | N03 | published | girls boys: girl scouts | Colorado Spgs, CO | 2024 |
| RESPONSIBLE ONLINE GAMING ASSOCIATION | $5,250,000 | N03 | published | | Arlington, VA | 2025 |
| RACQUET SPORTS PROFESSIONALS ASSOCIATION INC | $5,168,068 | N03 | inferred 0.80 | | Orlando, FL | 2024 |
| NORTH CAROLINA HIGH SCHOOL ATHLETIC | $4,296,770 | N03 | published | abuse: substance | Chapel Hill, NC | 2024 |
| CALIFORNIA PARK & RECREATION SOCIETY INC | $3,104,417 | N03 | inferred 0.55 | | Sacramento, CA | 2024 |
| NATIONAL CREDITORS BAR ASSOCIATION | $2,704,373 | N03 | published | | Washington, DC | 2025 |
| NATIONAL GOLF FOUNDATION INC | $2,362,462 | N03 | inferred 0.60 | | Jupiter, FL | 2024 |
| NEW YORK SECTION AMERICAN CAMPING ASSOCIATION INC | $2,296,006 | N03 | inferred 0.60 | | New York, NY | 2024 |
| AMERICAN ASSOCIATION OF INDEPENDENT PROFESSIONAL BASEBALL LTD | $1,685,842 | N03 | published | | Moorhead, MN | 2025 |
| INTERCOLLEGIATE MENS LACROSSE COACHES ASSOCIATION | $1,641,005 | N03 | published | | Durham, NC | 2024 |
| SEATTLE SPORTS COMMISSION | $1,460,834 | N03 | published | | Issaquah, WA | 2024 |
| INTERNATIONAL ORDER OF ST HUBERTUS USA CHAPTER INC | $1,449,622 | N03 | published | | Washington, DC | 2024 |
| HOUSTON INTERNATIONAL BOAT SPORT & TRAVEL SHOW INC | $1,294,855 | N03 | published | | Baytown, TX | 2024 |
| CENTRAL FLORIDA ICE HOCKEY OFFICIALS ASSOCIATION INC | $1,254,369 | N03 | published | | Lithia, FL | 2024 |
| OHIO PARKS & RECREATION ASSN | $1,217,217 | N03 | inferred 0.45 | | Westerville, OH | 2024 |
| AMERICAN SWIMMING COACHES ASSOCIATION | $1,084,419 | N03 | inferred 0.60 | | Ft Lauderdale, FL | 2024 |
| RUNNING INDUSTRY DIVERSITY COALITION | $1,046,279 | N03 | published | | Marysville, WA | 2024 |
| WEST PROJECT | $1,031,960 | N03 | published | girls boys: girls | Waco, TX | 2024 |
| PROFESSIONAL SKI INSTRUCTORS OF AMERICA | $1,010,054 | N03 | inferred 0.70 | | Sandy, UT | 2024 |
| TEXAS HIGH SCHOOL ATHLETIC DIRECTORS ASSOCIATION | $915,706 | N03 | published | | Texas City, TX | 2023 |
| GREATER WICHITA AREA SPORTS COMMISSION INC | $899,499 | N03 | published | | Wichita, KS | 2024 |
| SKI NEW HAMPSHIRE INC | $845,187 | N03 | published | | Conway, NH | 2025 |
| FL SOCCER SRC INC | $830,645 | N03 | published | | Clearwater, FL | 2024 |
| PROFESSIONAL SKI INSTRUCTORS OF AMERICA WESTERN DIVISION | $796,645 | N03 | inferred 0.60 | | Truckee, CA | 2024 |
| PROFESSIONAL ASSOCIATION OF VOLLEYBALL OFFICIALS | $773,645 | N03 | published | | Ashburn, VA | 2024 |
| INTERNATIONAL PICKLEBALL TEACHING PROFESSIONAL ASSOCIATION | $768,767 | N03 | published | | Riverwoods, IL | 2024 |
| GLADIATORS ATHLETIC ASSOCIATION INC | $759,070 | N03 | published | | Johns Creek, GA | 2024 |
| ASSOCIATION OF RACING COMMISSIONERS INTERNATIONAL INC | $758,759 | N03 | inferred 0.45 | | Lexington, KY | 2025 |
| GULF STATES SECTON PROFESSIONAL GOLFERS ASSOCIATION OF AMERICA | $740,011 | N03 | inferred 0.60 | | Metairie, LA | 2024 |
| AMERICAN MEDICAL SOCIETY FOR SPORTS MEDICINE FOUNDATION INC | $673,225 | N03 | inferred 0.70 | | Leawood, KS | 2024 |
| VIRGINIA RECREATION & PARK SOCIETY INC COLD HARBOR NATIONAL CEMETERY | $665,844 | N03 | inferred 0.55 | | Mechanicsvlle, VA | 2025 |
| KENTUCKY TRACK AND CROSS COUNTRY COACHES ASSOCIATION | $664,067 | N03 | published | | Frankfort, KY | 2024 |
| PRO SPORTS ASSEMBLY | $655,722 | N03 | published | | Austin, TX | 2025 |
| ARIZONA PARKS AND RECREATION ASSOC | $655,537 | N03 | inferred 0.60 | violence: prevention | Chandler, AZ | 2024 |
| KANSAS RECREATION & PARK ASSOCIATION | $648,307 | N03 | inferred 0.60 | | Lawrence, KS | 2024 |
| AMERICAN SNOWSPORTS EDUCATION ASSOCIATION CENTRAL | $635,753 | N03 | inferred 0.55 | | Frankfort, MI | 2024 |
| NEW JERSEY RECREATION AND PARK ASSOCIATION INCORPORATED | $622,819 | N03 | inferred 0.60 | | Princeton, NJ | 2024 |
| FLORIDA PROFESSIONAL OFFICIALS INC | $616,812 | N03 | published | | Orlando, FL | 2024 |
| MICHIGAN GOLF COURSE OWNERS ASSOC | $609,105 | N03 | inferred 0.80 | | East Lansing, MI | 2025 |
| DISCOVER BLAIR COUNTY INC | $579,595 | N03 | published | | Altoona, PA | 2025 |
| WISCONSIN PARK AND RECREATION ASSOCIATION INCORPORATED | $554,822 | N03 | inferred 0.85 | | Milwaukee, WI | 2025 |
| SPORTS LEADERSHIP DEVELOPMENT INC | $520,322 | N03 | published | | Friendswood, TX | 2024 |
| SAN DIEGO-IMPERIAL ALL SPORTS ASSOCIATION | $504,004 | N03 | inferred 0.75 | | San Diego, CA | 2015 |
| TREASURE COAST OFFICIALS ASSOCIATION OF FLORIDA INC | $473,974 | N03 | published | | Fort Pierce, FL | 2020 |
| PROFESSIONAL ANGLERS ASSOCIATION | $456,117 | N03 | inferred 0.60 | | Benton, KY | 2011 |
| NORTH CAROLINA SOCCER REFEREES ASSOCIATION INC | $451,189 | N03 | published | | Greensboro, NC | 2024 |
| ORANGE COUNTY SPORTS COMMISSION INC | $445,746 | N03 | published | | Anaheim, CA | 2025 |
| SOUTH DAKOTA SHERIFFS ASSOCIATION | $424,014 | N03 | published | | Eureka, SD | 2025 |
| BOWLING PROPRIETORS ASSOCIATION OF AMERICA | $419,051 | N03 | inferred 0.80 | women: issues | Cape Coral, FL | 2025 |
| COLLEGE ATHLETIC BUSINESS MANAGEMENT ASSOCIATION | $403,380 | N03 | inferred 0.60 | | Westlake, OH | 2025 |
| MIDWEST CONFERENCE INC | $402,900 | N03 | published | women: issues | Grinnell, IA | 2024 |
| BETA GAMMA COMPANY OF PHI KAPPA THETA INC | $402,663 | N03 | published | | Newtown, PA | 2024 |
| DRAG RACING ASSOCIATION OF WOMEN | $398,972 | N03 | published | | Danvers, IL | 2025 |
| INTERNATIONAL ASSOCIATION OF TRAMPOLINE PARKS INC | $396,616 | N03 | inferred 0.80 | | Harrisburg, PA | 2024 |
| AMES MINOR HOCKEY ASSOCIATION | $390,905 | N03 | published | | Ames, IA | 2024 |
| ILLINOIS AMERICAN SADDLEBRED PLEASURE HORSE ASSOCIATION | $385,227 | N03 | published | | Inverness, IL | 2025 |
| NORTH AMERICAN GAMEBIRD ASSOCIATION INC | $383,291 | N03 | inferred 0.60 | | Pierceville, KS | 2025 |
| NJCAA COACHES ASSOCIATION INC | $382,351 | N03 | published | | Charlotte, NC | 2024 |
| OHIO INTERSCHOLASTIC ATHLETIC ADMINISTRATORS ASSOCIATION | $382,278 | N03 | published | | Bellefontaine, OH | 2024 |
| LIBERTY LEAGUE INC | $375,646 | N03 | published | | Geneva, NY | 2025 |
| AMERICAN HOCKEY COACHES ASSOCIATION | $355,336 | N03 | published | | Saint Peter, MN | 2025 |
| PSIA-NRM EDUCATIONAL FOUNDATION INC | $348,447 | N03 | inferred 0.82 | | Big Sky, MT | 2024 |
| MASSACHUSETTS NURSERY & LANDSCAPE ASSOCIATION INC | $347,408 | N03 | inferred 0.60 | | Palmer, MA | 2024 |
| BEDFORD RIDING LANES ASSOCIATION INC | $324,802 | N03 | published | | Bedford, NY | 2024 |
| THE SCIOTO VALLEY ASSOCIATION OF REALTORS INC | $314,981 | N03 | published | | Chillicothe, OH | 2025 |
| USSF NEW JERSEY STATE REFEREE COMMITTEE INC | $299,994 | N03 | published | | Old Bridge, NJ | 2024 |
| MISSISSIPPI STATE UNIVERSITY DELTA CHI BUILDING CORPORATION | $298,055 | N03 | published | | Starkville, MS | 2025 |
| MOUNTAIN VIEW SPORTS AND RACQUETASSOCIATION | $281,101 | N03 | published | | San Diego, CA | 2024 |
| RI Interscholastic High School Coaches Association | $277,202 | N03 | inferred 0.50 | | N Providence, RI | 2025 |
| NORTH ALABAMA SOCCER REFEREES ASSOCIATION | $275,109 | N03 | published | | Huntsville, AL | 2025 |
| MONTANA OUTFITTERS & GUIDES ASSOC INC | $257,842 | N03 | inferred 0.45 | | Helena, MT | 2024 |
| NATIONAL STRENGTH AND CONDITIONING ASSOCIATION FOUNDATION | $256,357 | N03 | published | | Colorado Spgs, CO | 2024 |
| SOCIETY OF AMERICAN FIGHT DIRECTORS | $253,722 | N03 | published | | Chicago, IL | 2024 |
| SGFOA INC | $253,032 | N03 | published | | Fort Myers, FL | 2025 |
| BOWLING CENTERS ASSOCIATION OF OHIO | $252,715 | N03 | inferred 0.60 | | Dayton, OH | 2025 |
| JOY OF SAKE OHANA | $223,212 | N03 | published | | Honolulu, HI | 2024 |
| HOCKEY PLAYERS IN BUSINESS INC | $210,301 | N03 | published | | Mentor, OH | 2025 |
| VALLEY COMMUNITY OUTREACH INCORPORATION | $209,453 | N03 | published | | Visalia, CA | 2025 |
| IOWA CHEERLEADING COACHES | $205,492 | N03 | inferred 0.55 | | Winterset, IA | 2025 |
| BAY AREA OFFICIALS ASSOCIATION INC | $204,714 | N03 | published | | Livermore, CA | 2024 |
| TENNESSEE PARK RANGERS ASSOCIATION | $189,911 | N03 | published | | Pocahontas, TN | 2024 |
| SAN DIEGO CRICKET CLUB NONPROFIT CORPORATION | $188,330 | N03 | published | | San Diego, CA | 2024 |
| WOMENS COLLEGIATE GYMNASTICS ASSOCIATION | $187,233 | N03 | published | women: issues | Glenshaw, PA | 2024 |
| SOCCER REFEREES OF ARIZONA INC | $175,085 | N03 | published | | Scottsdale, AZ | 2025 |
| HOPEWORLD FAMILY FOUNDATION | $172,798 | N03 | published | | Freehold, NJ | 2024 |
| NEISMA INC | $167,445 | N03 | inferred 0.50 | | Quincy, MA | 2024 |
| AMERICAN COUNCIL OF SNOWMOBILE ASSOCIATIONS INC | $167,065 | N03 | published | | Brighton, MI | 2024 |
| CALIFORNIA SPORTS OFFICIATING ASSOCIATION INC | $165,754 | N03 | published | | Clovis, CA | 2025 |
| COLORADO AVALANCHE ALUMNI ASSOCIATION | $165,529 | N03 | published | | Denver, CO | 2024 |
| NATIONAL DANCE COACHES ASSOCIATION | $165,184 | N03 | published | | Snoqualmie, WA | 2024 |