| Chess Club and Scholastic Center of Saint Louis | 501(c)(3) | 2008 | $31.2 million | $29 million | 2024-12 |
| Lift for Life Academy Inc | 501(c)(3) | 1991 | $20.7 million | $24.7 million | 2025-06 |
| Missouri Valley Conference Inc | 501(c)(3) | 2000 | $12 million | $10.1 million | 2025-06 |
| Gateway Arch Park Foundation | 501(c)(3) | 2010 | $4.8 million | $116.2 million | 2024-12 |
| St Louis Legacy Ice Foundation | 501(c)(3) | 2017 | $2.8 million | $54,138 | 2025-06 |
| Metropolitan Golf Foundation | 501(c)(3) | 2006 | $2.1 million | $5.8 million | 2024-12 |
| Missouri Valley Football Conference | 501(c)(3) | 1984 | $1.7 million | $1.3 million | 2025-06 |
| Clayton Shaw Park Swimming Team Inc | 501(c)(3) | 1998 | $1.7 million | $1.7 million | 2025-08 |
| Jefferson Barracks Marine Soccer Club | 501(c)(3) | 1993 | $1.5 million | $1.6 million | 2025-07 |
| Go St Louis | 501(c)(3) | 2000 | $1.4 million | $573,946 | 2025-06 |
| Trailnet Inc | 501(c)(3) | 1989 | $1.4 million | $1.4 million | 2025-12 |
| Fair St Louis Foundation | 501(c)(3) | 1994 | $1.1 million | $1.3 million | 2024-11 |
| Alumni House Fund Association | 501(c)(7) | 2013 | $1.1 million | $2.7 million | 2026-05 |
| St Louis Sports Foundation Inc | 501(c)(3) | 1995 | $799,239 | $397,826 | 2024-12 |
| Italia-America Bocce Club Inc | 501(c)(7) | 1997 | $636,379 | $833,317 | 2025-03 |
| San Gabriel Valley Training Center Trust | 501(c)(3) | 1999 | $634,138 | $3.8 million | 2025-06 |
| St Louis Rowing Club | 501(c)(3) | 2002 | $594,767 | $822,035 | 2025-06 |
| Kirkwood United Soccer Club | 501(c)(3) | 2020 | $525,129 | $395,290 | 2025-06 |
| Missouri Amateur Ice Hockey Association-Youth Division | 501(c)(3) | 2014 | $493,918 | $386,207 | 2026-05 |
| Junior Golf Foundation of Greater St Louis | 501(c)(3) | 2008 | $485,293 | $551,579 | 2025-12 |
| Ajax Saint Louis SC | 501(c)(3) | 2018 | $356,635 | $406,738 | 2024-12 |
| Winterland Ice Hockey Inc | 501(c)(3) | 2022 | $355,367 | $424,910 | 2025-12 |
| Patriot Training Foundation | 501(c)(3) | 2009 | $295,362 | $1.4 million | 2024-12 |
| Road Runners Club of America | 501(c)(3) | 1976 | $270,769 | $316,252 | 2024-12 |
| Lindbergh Football Association Inc | 501(c)(3) | 2005 | $243,988 | $65,328 | 2025-12 |
| United STL Academy Inc | 501(c)(3) | 2019 | $234,191 | $34,186 | 2025-12 |
| Metro St Louis Seniors Golf Association Inc | 501(c)(7) | 2001 | $195,019 | $89,002 | 2025-12 |
| Sports Car Club of St Louis Inc | 501(c)(4) | 2003 | $188,137 | $141,014 | 2025-12 |
| Illusions Softball Association | 501(c)(3) | 1997 | $184,389 | $138,630 | 2025-09 |
| Lafayette Park Conservancy | 501(c)(3) | 2005 | $168,606 | $190,807 | 2024-12 |
| Wrestl | 501(c)(3) | 2016 | $149,245 | $68,282 | 2024-12 |
| Missouri Ice Hockey Officials Association | 501(c)(3) | 2004 | $142,860 | $460,083 | 2026-04 |
| Golf Foundation of Missouri Inc | 501(c)(3) | 2004 | $130,288 | $246,543 | 2024-12 |
| Protect the Arch | 501(c)(3) | 2024 | $125,122 | $116,693 | 2024-12 |
| Chaminade College Prep Club Hockey Club | 501(c)(3) | 2009 | $118,470 | $170,169 | 2025-08 |
| Friends of Francis Park | 501(c)(3) | 2011 | $106,316 | $138,705 | 2025-12 |
| Pioneer Football League | 501(c)(3) | 2014 | $102,885 | $128,791 | 2025-06 |
| Fairground Park for All | 501(c)(3) | 2024 | $100,672 | $81,747 | 2025-12 |
| Heathrow Bath Club | 501(c)(7) | 2001 | $99,490 | $12,318 | 2025-12 |
| Slpa Twirling Corps | 501(c)(3) | 2022 | $97,589 | $62,837 | 2024-08 |
| University City Swim Club | 501(c)(3) | 2014 | $93,732 | $69,851 | 2024-12 |
| St Louis Bombers Rugby Football Club Inc | 501(c)(3) | 1997 | $91,547 | $176,937 | 2025-12 |
| St Louis County Police Athletic League Inc | 501(c)(3) | 2022 | $82,685 | $64,097 | 2025-12 |
| CBC Lacrosse Club Inc | 501(c)(3) | 2006 | $79,771 | $31,648 | 2025-12 |
| Arch City Pride Sports Inc | 501(c)(3) | 2022 | $77,140 | $46,373 | 2025-12 |
| Mehlville Panthers Junior Football Association Inc | 501(c)(3) | 2022 | $72,330 | $22,973 | 2025-12 |
| The St Louis Royal Ramblers Rugby Club | 501(c)(3) | 2016 | $64,306 | $15,027 | 2025-12 |
| Gymnastic Association Sokol | 501(c)(3) | 1963 | $62,886 | $21,240 | 2024-12 |
| Southwest City Dog Park | 501(c)(3) | 2013 | $62,505 | $50,972 | 2025-12 |
| St Louis Skating Club Inc | 501(c)(3) | 2020 | $62,179 | $51,864 | 2026-06 |
| St Louis Pro Players | 501(c)(3) | 2013 | $56,731 | $56,797 | 2023-12 |
| Spirit of Saint Louis Squash Foundation | 501(c)(3) | 2022 | $56,000 | $17,397 | 2024-12 |
| Amateur Athletic Union of the United States | 501(c)(3) | 1968 | $55,834 | $530,313 | 2026-08 |
| Blade Brigade | 501(c)(3) | 2024 | $51,385 | $14,309 | 2025-05 |
| St John Vianney High School Lacrosse Club | 501(c)(3) | 2008 | $46,070 | $17,636 | 2026-06 |
| St Louis Polo Club | 501(c)(7) | 2004 | $40,896 | $109,350 | 2025-12 |
| Masterpeace Studio | 501(c)(3) | 2006 | $34,982 | $22,334 | 2025-06 |
| Grand South Grand Growth Association | 501(c)(3) | 2014 | $34,672 | $26,259 | 2025-06 |
| National Autumn Leaf Collectors Club | 501(c)(7) | 2002 | $30,461 | $148,355 | 2025-12 |
| St Louis Junior Invitational Golf Tournament | 501(c)(3) | 2019 | $12,001 | $30,445 | 2024-12 |
| Pocketparks | 501(c)(3) | 2021 | $11,822 | $10,482 | 2025-12 |
| Gateway Corkball League Inc | 501(c)(7) | 2013 | $10,424 | $223,158 | 2025-12 |
| American Bass Fishing Alliance Inc | 501(c)(3) | 2023 | $8,476 | $2,323 | 2025-12 |
| Council On American-Islamic Relations-St Louis Inc | 501(c)(3) | 2002 | $5,655 | $42,523 | 2025-12 |
| Seven Colors Incorporated | 501(c)(3) | 2020 | $4,732 | $1,200 | 2025-12 |
| 4 Love Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Affton Jr Cougars Football and Cheerleading Association Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Affton Youth Hockey-Fenton Division | 501(c)(3) | 2001 | | | |
| All American Gymnastics-Sports for All Foundation | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| American Cricket Foundation | 501(c)(3) | 2025 | | | |
| American Fencing Union Inc | 501(c)(3) | 2024 | | | |
| Arch Rival Roller | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Archway Oldsmobile Club | 501(c)(7) | 2014 | $0 | $0 | 2025-12 |
| Atlas Booster Club | 501(c)(3) | 2024 | | | |
| BBS Charities Inc | 501(c)(3) | 2001 | | $1 | 2025-12 |
| BC STL Junior Football | 501(c)(3) | 2024 | | | |
| BKM 4 Life - Foundation for Fitness and Health | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Basa | 501(c)(3) | 2025 | | | |
| Beat the Streetz Inc | 501(c)(3) | 2026 | | | |
| Beta Fund | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Bob Grommet & Brian Fuess Memorial | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Boomsquad Connections | 501(c)(3) | 2024 | | | |
| Border Brawl Inc | 501(c)(3) | 2025 | | | |
| Bounce Back Boxing Inc | 501(c)(3) | 2025 | | | |
| Bulls-Eye Gun & Rod Club | 501(c)(7) | 2014 | $0 | $0 | 2025-12 |
| Carshield Futbol Club Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Catch Thirty One NP Corporation | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Club Athletic Premier | 501(c)(3) | 2002 | $0 | $0 | 2025-09 |
| Common Goals and Minds | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Crusaders RFC Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Crystal Lake Social Club | 501(c)(7) | 2024 | $0 | $0 | 2026-04 |
| DJ Kut University | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Danny Goldsmith Camp Scholarship Fund Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Diversity Golf Marketing Foundation | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| Dudley Lightning | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Dwight F Davis Memorial Tennis Center | 501(c)(3) | 1965 | $0 | $0 | 2026-03 |
| East St Louis Community Tennis Association | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Elevate Synchronized Skating | 501(c)(3) | 2024 | | $5,765 | 2024-12 |
| Elizabeth H Mitchell Trust | 501(c)(3) | 2001 | | $326,168 | 2025-12 |
| Empowerment Life Center | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Engineers Club of Emerson Electric Co | 501(c)(6) | 2013 | $0 | $0 | 2023-12 |
| Eureka Kings Rugby | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Executive Womens Golf Association Inc | 501(c)(6) | 1997 | $0 | $0 | 2025-12 |
| Farr Youth Athletics | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Figure Skating Interclub of Greater St Louis | 501(c)(3) | 2026 | | | |
| Franchise Senior Sports Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Friends of Camp Zoe Inc | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Friends of Carondelet Park Inc | 501(c)(3) | 2002 | $0 | $0 | 2026-06 |
| Friends of Lucas Park Inc | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Gateway Chess League Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Gateway Special Hockey Inc | 501(c)(3) | 1994 | $0 | $0 | 2025-12 |
| Gateway Speed Skating Club | 501(c)(3) | 2004 | $0 | $0 | 2026-06 |
| Gateway Swimming and Diving Leauge | 501(c)(3) | 2023 | | | |
| Global Community of Women in High School Sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Grand Chess Tour | 501(c)(3) | 2022 | | $312,939 | 2024-12 |
| Greater St Louis Golf Charities Inc | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Greater St Louis Knitters Guild Inc | 501(c)(7) | 2014 | $0 | $0 | 2025-12 |
| Greater St Louis Nepali Chautari | 501(c)(3) | 2016 | | $8,048 | 2025-12 |
| Harley Owners Group - St Louis Mo Chapter | 501(c)(7) | 2026 | | | |
| Hermann Trophy Foundation | 501(c)(3) | 2025 | | | |
| Igarrentee Foundation | 501(c)(3) | 2026 | | | |
| Jackson & Millie Spader Foundation | 501(c)(3) | 2025 | | | |
| Jeffco Bass Anglers | 501(c)(7) | 2013 | $0 | $0 | 2026-01 |
| Jefferson National Expansion Memorial Employee Association | 501(c)(4) | 2010 | $0 | $0 | 2025-12 |
| Judge Dowd Soccer League | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| KHVT | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Kirkwood Racquetball Association | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Knockout Riders Motorcycle Club Inc | 501(c)(7) | 2024 | $0 | $0 | 2025-12 |
| Korean American Sports Association of Missouri | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| LHC Hockey Club | 501(c)(7) | 2026 | | | |
| LHS Cheer Parent Group | 501(c)(3) | 2023 | $0 | $0 | 2025-03 |
| Ladue Boys Lacrosse Club | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Ladue Jr Boys Lacrosse Club | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Ladue Jr Rams Athletic Association | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Ladue Rams Booster Club | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Lady Rebels STL Inc | 501(c)(3) | 2024 | | | |
| Lafayette Square Dog Park Inc | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Lake of the Woods Swim Team | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Lambda Chi Alpha Fraternity Property Management Corporation | 501(c)(7) | 2014 | $0 | $0 | 2024-06 |
| Lindbergh Boys Tennis Booster Club | 501(c)(3) | 2023 | | | |
| Lindbergh Field Hockey Booster Club | 501(c)(3) | 2022 | $0 | $0 | 2026-06 |
| Lindbergh Girls Lacrosse Booster Club | 501(c)(3) | 2023 | $0 | $0 | 2025-06 |
| Lindbergh Soccer Club | 501(c)(3) | 2016 | $0 | $0 | 2023-08 |
| Lindbergh Ultimate Booster Club | 501(c)(3) | 2025 | | | |
| Lionel Railroad Club of St Louis | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Loyal Order of Alley Dogs-Load | 501(c)(7) | 2024 | | | |
| Lucas Park Beautification Project | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| MRH Youth Sports Association Corporation | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Mardi Gras Inc | 501(c)(4) | 2023 | | | |
| Men Amongst Boys | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Midcounty Composite Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Midwest Soccer Academy | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Missori Bicycle Racing Association | 501(c)(3) | 2005 | $0 | $0 | 2024-12 |
| Missouri Bombers Fastpitch 2004 | 501(c)(3) | 2019 | $0 | $0 | 2023-07 |
| Missouri Water Polo Inc | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Mo Betta Sports Foundation | 501(c)(3) | 2026 | | | |
| Monthly Cycle | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| NM Social Club Inc | 501(c)(7) | 2019 | $0 | $0 | 2025-06 |
| Next Level Sports Foundation | 501(c)(3) | 2025 | | | |
| No Coast Volleyball Inc | 501(c)(3) | 2025 | | | |
| Oakville Junior Tigers Football Program | 501(c)(3) | 2026 | | | |
| Oakville Tigers Junior Football Inc | 501(c)(3) | 2000 | $0 | $0 | 2024-12 |
| Olamau Foundation | 501(c)(3) | 2013 | | $222,741 | 2025-12 |
| Once Upon A Time in the Village of Justin | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Opportunitee | 501(c)(3) | 2026 | | | |
| PHL Inc | 501(c)(3) | 2005 | | $537,231 | 2025-12 |
| PNJV | 501(c)(3) | 2024 | | | |
| Par Or Better Golf Club Inc | 501(c)(7) | 2021 | $0 | $0 | 2025-12 |
| Parkway West Jr Longhorns Football Club | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Prime Timers St Louis | 501(c)(7) | 2020 | $0 | $0 | 2025-12 |
| Ready 2 Live Wellness | 501(c)(3) | 2026 | | | |
| Red Tail RV Club | 501(c)(7) | 2014 | $0 | $0 | 2024-12 |
| River City FC | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Royal Knights Junior Athletics Association | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| STL Bike Polo | 501(c)(3) | 2024 | | | |
| STL Brewhogs Inc | 501(c)(7) | 2025 | $0 | $0 | 2025-12 |
| STL Gatekeepers Roller Derby | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| STL Lions FC | 501(c)(3) | 2025 | | | |
| STL Santos | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| STL Tennis Collective Foundation | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Sabertooth Water Polo Club | 501(c)(3) | 2026 | | | |
| Saint Louis Stars Youth Orginzation | 501(c)(3) | 2026 | | | |
| Saint Louis Womens Golf Association | 501(c)(7) | 2020 | $0 | $0 | 2025-12 |
| Skinker Debaliviere Dog Park | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Soccer 4 Everyone LLC | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Solid Sports Program Inc | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| South Side St Louis Lions Den Fund Inc | 501(c)(3) | 1977 | $0 | $0 | 2026-05 |
| Spirit of St Louis Region Ccca | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| St Louis Blues A R F C Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| St Louis Bureau Recreation Association | 501(c)(4) | 2012 | $0 | $0 | 2025-12 |
| St Louis Chargers Track Club | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| St Louis Fire Baseball Club | 501(c)(3) | 2014 | | $46,993 | 2025-12 |
| St Louis Gaelic Athletic Association Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| St Louis Iron Workers Buddy Bass Tournament | 501(c)(7) | 2023 | $0 | $0 | 2025-12 |
| St Louis Iron Workers Golf Tournament | 501(c)(7) | 2023 | $0 | $0 | 2025-12 |
| St Louis Mat Rats Wrestling | 501(c)(3) | 2025 | $0 | $0 | 2025-08 |
| St Louis Rebels West Coast Swing Dance Club | 501(c)(7) | 2008 | $0 | $0 | 2025-12 |
| St Louis Recreation Development Group Inc | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| St Louis Slam Womens Football | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| St Louis Stars Soccer Club Inc | 501(c)(3) | 2022 | | $972,463 | 2025-12 |
| St Louis Warriors Track Club Inc | 501(c)(3) | 2016 | $0 | $0 | 2024-06 |
| Sunday Morning Amateur Rugby Foundatiion | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Sunday Morning Rugby Club | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Swim Ministries Inc | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Swimpower Academy Inc | 501(c)(3) | 2025 | | | |
| Tau Kappa Epsilon Fraternity Inc | 501(c)(7) | 2004 | $0 | $0 | 2026-05 |
| Tau Kappa Epsilon Fraternity Inc | 501(c)(7) | 2004 | $0 | $0 | 2026-05 |
| The Ao Social Rec Club | 501(c)(7) | 2025 | | | |
| The Office Social Club Inc | 501(c)(7) | 2025 | $0 | $0 | 2024-12 |
| Top Level Boxing Inc | 501(c)(3) | 2026 | | | |
| Tower Grove Soccer Club | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| United States Bowling Congress Inc | 501(c)(3) | 2004 | $0 | $0 | 2026-07 |
| University City Youth Athletics Club | 501(c)(3) | 2021 | $0 | $0 | 2026-01 |
| Usatf Ozark | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Wca Hockey Club Inc | 501(c)(3) | 2020 | $0 | $0 | 2026-05 |
| Whitfield Hockey Association | 501(c)(3) | 2015 | $0 | $0 | 2025-07 |
| William S & Lillie M Yoder Memorial Trust | 501(c)(3) | 2001 | | $813,881 | 2026-04 |
| Willmore Park Society | 501(c)(3) | 2026 | | | |
| Yoga Buzz | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Young Legends Corporation | 501(c)(3) | 2026 | | | |
| Missouri Employer Military Support Association | 501(c)(3) | 1997 | $-355 | $9,478 | 2025-12 |
| St Louis Soccer Hall of Fame | 501(c)(3) | 2024 | $-1,160 | $114,485 | 2025-09 |