Data / Nonprofits / Missouri / Saint Charles
Nonprofits in Saint Charles, MO: 684 registered with the IRS
684 nonprofits are registered with the IRS in Saint Charles, MO, 478 of them 501(c)(3) charities; the 153 that report revenue took in $195.3 million. The largest by revenue: Emmaus Homes Inc ($47.3 million), Youth in Need ($38.7 million), Willows Way Inc ($22.5 million). Most common causes: religion-related (60), human services (53), recreation and sports (48).
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The 500 largest by revenue
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Emmaus Homes Inc | 501(c)(3) | 1952 | $47.3 million | $48.5 million | 2025-06 | |
| Youth in Need | Human services | 501(c)(3) | 1975 | $38.7 million | $19.5 million | 2025-12 |
| Willows Way Inc | Human services | 501(c)(3) | 1995 | $22.5 million | $24.7 million | 2025-06 |
| Harris House Foundation | 501(c)(3) | 1965 | $15.7 million | $25.6 million | 2025-12 | |
| Dogs On Duty | Animal-related | 501(c)(3) | 2014 | $5.4 million | $1.2 million | 2025-12 |
| Family Advocacy & Community Training | 501(c)(3) | 1989 | $4.4 million | $1.9 million | 2025-06 | |
| Sts Joachim and Ann Care Service | 501(c)(3) | 1946 | $3.9 million | $4.2 million | 2025-12 | |
| Connections To Success Inc | Employment | 501(c)(3) | 2000 | $3.9 million | $2.2 million | 2024-12 |
| Unlimited Play Inc | Human services | 501(c)(3) | 2003 | $3.4 million | $3.2 million | 2024-12 |
| National Wood Flooring Association | 501(c)(6) | 1987 | $3.3 million | $5.4 million | 2024-12 | |
| United Services for Children | Health care | 501(c)(3) | 1978 | $3.1 million | $9.9 million | 2025-06 |
| Impact City FC | Religion-related | 501(c)(3) | 2019 | $2.8 million | $2.2 million | 2025-06 |
| Site Advancement Foundation | 501(c)(3) | 1979 | $2.1 million | $5.4 million | 2025-12 | |
| Boys & Girls Club of St Charles | Youth development | 501(c)(3) | 1957 | $2.1 million | $7.5 million | 2024-12 |
| Missouri Youth Soccer Assoc Inc | 501(c)(3) | 1983 | $2.1 million | $2.5 million | 2025-07 | |
| Saint Charles County Fair Inc | 501(c)(3) | 1986 | $1.8 million | $1.7 million | 2024-12 | |
| Five Acres Animal Shelter | Animal-related | 501(c)(3) | 2003 | $1.6 million | $3.3 million | 2024-12 |
| Knights Basketball Academy Midwest | Recreation and sports | 501(c)(3) | 2014 | $1.6 million | $508,228 | 2025-12 |
| Saint John Paul II Preparatory School Inc | Education | 501(c)(3) | 2015 | $1.5 million | $656,652 | 2025-06 |
| Sunset Memorial Park & Mausoleums Company | 501(c)(13) | 1966 | $1.5 million | $11.1 million | 2025-10 | |
| Outreach Assistance Serving Individuals in St Charles Cty Inc | Human services | 501(c)(3) | 1992 | $1.4 million | $1.1 million | 2025-12 |
| Cottleville Fire Protection District Veba Health Savings Trust | Mutual and membership benefit | 501(c)(9) | 2020 | $1.4 million | $7.6 million | 2025-12 |
| Saint Charles Oktoberfest | Arts, culture and humanities | 501(c)(3) | 2023 | $1.3 million | $859,106 | 2024-12 |
| Biking for Babies | Civil rights, social action and advocacy | 501(c)(3) | 2013 | $1.2 million | $941,322 | 2025-09 |
| Travelers Protective Association of America | 501(c)(8) | 1941 | $1.1 million | $11.5 million | 2025-12 | |
| 119 Ministries | Religion-related | 501(c)(3) | 2012 | $910,951 | $294,127 | 2024-12 |
| Megan Meier Foundation | Youth development | 501(c)(3) | 2009 | $869,172 | $1.5 million | 2025-06 |
| St Charles County Association of Realtors | 501(c)(6) | 1988 | $800,377 | $1.7 million | 2025-12 | |
| Nwfa Education & Research Foundation | Housing and shelter | 501(c)(3) | 2002 | $780,172 | $478,244 | 2024-12 |
| Showme Aquatics & Fitness | Health care | 501(c)(3) | 1999 | $712,451 | $437,852 | 2025-06 |
| International Brotherhood of Magicians Inc | 501(c)(6) | 1958 | $635,361 | $873,885 | 2025-09 | |
| Compassion Services International | International, foreign affairs and national security | 501(c)(3) | 2011 | $553,308 | $588,643 | 2025-06 |
| Father William Pezold Home Association | 501(c)(2) | 1981 | $506,443 | $618,008 | 2025-12 | |
| Missouri Association of Plumbing- Heating-Cooling Contractors | 501(c)(6) | 1951 | $475,561 | $383,035 | 2024-12 | |
| Cottleville Weldon Springs Chamber of Commerce | Community improvement and capacity building | 501(c)(6) | 2011 | $463,439 | $554,343 | 2024-12 |
| Great Rivers Habitat Alliance | Environment | 501(c)(3) | 2000 | $415,631 | $563,179 | 2023-12 |
| Marcys Project | Human services | 501(c)(3) | 2021 | $375,540 | $219,103 | 2025-12 |
| Discovery Expedition of St Charles Mo Inc | Arts, culture and humanities | 501(c)(3) | 1995 | $372,254 | $1.3 million | 2025-12 |
| MCCSC Inc | Religion-related | 501(c)(3) | 2007 | $365,179 | $3.7 million | 2025-12 |
| Youth Rally Committee Inc | Human services | 501(c)(3) | 2006 | $364,951 | $931,353 | 2025-12 |
| Site Improvement Association of Missouri | 501(c)(6) | 1978 | $364,214 | $259,494 | 2025-12 | |
| Veterans of Foreign Wats Dept of Missouri | 501(c)(19) | 1961 | $346,005 | $1.4 million | 2025-06 | |
| Adam Morgan Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2009 | $345,291 | $9,107 | 2025-12 |
| Itn St Charles | Human services | 501(c)(3) | 2009 | $343,587 | $265,151 | 2025-06 |
| Global Compassion Ministries | Religion-related | 501(c)(3) | 2008 | $336,002 | $334,552 | 2026-03 |
| Hanani House | Mental health and crisis intervention | 501(c)(3) | 2019 | $303,941 | $302,859 | 2025-12 |
| Sparkle Support Booster Club | Recreation and sports | 501(c)(3) | 2015 | $278,840 | $279,971 | 2024-12 |
| Latin American Childrens Fund Inc | 501(c)(3) | 1991 | $271,937 | $54,098 | 2025-12 | |
| Dollys Dream Home Rabbit Rescue | Housing and shelter | 501(c)(3) | 2021 | $267,532 | $158,517 | 2024-12 |
| Shelter Friends Inc | Education | 501(c)(3) | 2013 | $227,606 | $51,375 | 2024-12 |
| Fete Des Petites Cotes | Community improvement and capacity building | 501(c)(4) | 1999 | $222,064 | $388,579 | 2024-12 |
| Revival of Faith Ministries Inc | Religion-related | 501(c)(3) | 2014 | $216,205 | $1.1 million | 2025-12 |
| Francis Howell High School Band Booster Association | Education | 501(c)(3) | 2020 | $210,730 | $89,259 | 2026-05 |
| Museum of Soda History | Arts, culture and humanities | 501(c)(3) | 2023 | $200,478 | $13,822 | 2025-12 |
| The Heron Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $200,000 | $0 | 2025-12 |
| Volunteers in Medicine Inc | Health care | 501(c)(3) | 1997 | $196,189 | $488,350 | 2025-12 |
| Community Integration Services | Health care | 501(c)(3) | 2025 | $191,000 | $191,000 | 2025-12 |
| Nwfa Certified Professionals | 501(c)(6) | 1997 | $190,118 | $6,483 | 2024-12 | |
| Tpa Hearing Trust | 501(c)(3) | 1975 | $176,093 | $2.2 million | 2025-12 | |
| Rise Up Transitional Resources | Human services | 501(c)(3) | 2023 | $167,406 | $1 | 2025-12 |
| St Charles County Historical Society Inc | 501(c)(3) | 1965 | $165,525 | $1.1 million | 2024-12 | |
| Alliance for Investment Jobs & Preservation in Missouri Inc | Community improvement and capacity building | 501(c)(6) | 2014 | $161,551 | $44,717 | 2024-12 |
| Dhvani Foundation | Human services | 501(c)(3) | 2015 | $154,801 | $203,499 | 2025-12 |
| Demolay International | 501(c)(3) | 1996 | $151,387 | $51,608 | 2024-12 | |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $146,129 | $411,825 | 2026-03 | |
| St Charles Lodge No 1513 Loyal Order of Moose | Philanthropy, voluntarism and grantmaking foundations | 501(c)(8) | 2022 | $139,063 | $339,587 | 2025-04 |
| First Capitol Lions Club Foundation | Community improvement and capacity building | 501(c)(3) | 2024 | $138,086 | $276,396 | 2024-06 |
| Francis Howell High School Football Boosters | 501(c)(3) | 1993 | $136,799 | $131,161 | 2024-12 | |
| Cottleville Knights of Columbus 7198 | 501(c)(8) | 1940 | $135,883 | $61,297 | 2025-12 | |
| Revive Outreach Inc | Housing and shelter | 501(c)(3) | 2016 | $133,718 | $156,724 | 2025-12 |
| Missouri Dance Team Association | Arts, culture and humanities | 501(c)(3) | 2007 | $131,993 | $96,839 | 2025-12 |
| Eagles Wings | Human services | 501(c)(3) | 2015 | $131,180 | $61,505 | 2025-12 |
| St Louis Ski Club | 501(c)(7) | 1972 | $130,333 | $54,775 | 2026-04 | |
| Iota Club of Theta Xi | Education | 501(c)(7) | 2005 | $129,345 | $1.9 million | 2024-09 |
| Professional Firefighters and Paramedics of St Charles Mo Iaff | 501(c)(5) | 1970 | $121,531 | $114,841 | 2025-12 | |
| Adas Circle Inc | Education | 501(c)(3) | 2021 | $121,300 | $147,013 | 2025-12 |
| Foster Adoption Support Group of Saint Charles County | Human services | 501(c)(3) | 2021 | $117,334 | $136,599 | 2023-12 |
| International Scope in Education Inc | International, foreign affairs and national security | 501(c)(3) | 1967 | $117,160 | $60,761 | 2025-10 |
| Brewster Kaleidoscope Society | Arts, culture and humanities | 501(c)(3) | 2015 | $116,122 | $82,130 | 2025-12 |
| New Town at St Charles Trust | Arts, culture and humanities | 501(c)(3) | 2007 | $115,648 | $56,596 | 2025-12 |
| St Charles Park & Recreation Endowment Fund | 501(c)(3) | 1986 | $114,335 | $806,489 | 2025-12 | |
| Totally Committed Ministries Inc | Religion-related | 501(c)(3) | 2024 | $108,400 | $1 | 2024-12 |
| Endowment and Development Fund of the International Brotherhood of M | 501(c)(3) | 1976 | $106,888 | $1.4 million | 2025-09 | |
| Endowment for United Services | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $105,923 | $2 million | 2025-06 |
| International Association of Lions Clubs | 501(c)(4) | 1940 | $104,541 | $431,379 | 2025-06 | |
| Mayors Charity Ball Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1995 | $100,071 | $194,032 | 2026-04 |
| Iota Mu Chapter of Theta Chi Fraternity Alumni Corporation | Mutual and membership benefit | 501(c)(7) | 2018 | $96,804 | $3.5 million | 2025-06 |
| Interfaith Partnership of Greater St Louis | Religion-related | 501(c)(3) | 1986 | $96,106 | $138,717 | 2025-12 |
| St Charles Football League | Recreation and sports | 501(c)(3) | 2007 | $94,401 | $41,458 | 2023-12 |
| Francis Howell School District Senior High Parent Clubs | Education | 501(c)(3) | 2025 | $89,118 | $73,700 | 2025-06 |
| Mu Rho Chapter of Kappa Sigma Fraternity Housing Corporation | Education | 501(c)(7) | 2014 | $88,788 | $15,789 | 2024-12 |
| Telugu Association of St Louis | 501(c)(3) | 1980 | $88,533 | $55,878 | 2024-12 | |
| Sweet Adelines International | Arts, culture and humanities | 501(c)(3) | 1955 | $88,464 | $351,206 | 2026-04 |
| Joe Griffin Media Ministries Inc | Religion-related | 501(c)(3) | 2005 | $86,899 | $85,764 | 2025-12 |
| Shooting Star Productions | Arts, culture and humanities | 501(c)(3) | 2003 | $84,315 | $46,237 | 2025-12 |
| We Love Saint Charles | Human services | 501(c)(3) | 2012 | $83,593 | $44,485 | 2025-12 |
| Atai Orphanage Fund | Public safety, disaster preparedness and relief | 501(c)(3) | 2009 | $80,000 | $135,535 | 2025-12 |
| Credo of the Catholic Laity | Religion-related | 501(c)(3) | 1998 | $78,640 | $15,483 | 2023-12 |
| Volunteer Leadership | Mental health and crisis intervention | 501(c)(3) | 2012 | $78,508 | $31,674 | 2025-12 |
| Pattonville Professional Firefighters | Employment | 501(c)(5) | 2018 | $75,480 | $32,110 | 2025-12 |
| Althea Project | Housing and shelter | 501(c)(3) | 2024 | $75,298 | $42,954 | 2025-12 |
| Ambassadors of Harmony Foundation | Arts, culture and humanities | 501(c)(3) | 2017 | $74,227 | $52,797 | 2024-12 |
| International Gospel Tellers | Religion-related | 501(c)(3) | 2022 | $73,966 | $68,567 | 2024-12 |
| Alpha Iota Educational Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1993 | $72,234 | $434,314 | 2025-08 |
| Gateway Section of Ite | Science and technology | 501(c)(3) | 2021 | $71,568 | $34,678 | 2025-12 |
| Order of Cardinal Mercier Educational Endowment Foundation | Education | 501(c)(3) | 2004 | $69,608 | $661,057 | 2024-12 |
| Francis Howell North Band Boosters Association | Education | 501(c)(3) | 1992 | $69,512 | $142,377 | 2025-05 |
| Theupstairs Club | Recreation and sports | 501(c)(7) | 2022 | $66,281 | $17,737 | 2025-12 |
| Becky David Parent Teacher Organization | 501(c)(3) | 1993 | $66,082 | $80,155 | 2025-06 | |
| Blessings To Others Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $64,956 | $295,145 | 2025-12 |
| St Louis District Chapter Club Managers Assocition of America | Education | 501(c)(6) | 2000 | $64,842 | $170,602 | 2025-12 |
| Mastino Rescue | Animal-related | 501(c)(3) | 2018 | $64,767 | $26,593 | 2024-12 |
| Castlio Elementary Parent Teacher Organization | Education | 501(c)(3) | 2014 | $63,292 | $73,574 | 2025-07 |
| Francis Howell School District Support Organization Council | 501(c)(3) | 1993 | $62,257 | $49,710 | 2025-06 | |
| Mark 732 Inc | Religion-related | 501(c)(3) | 2024 | $62,016 | $13,357 | 2025-07 |
| National Association of Letter Carriers | 501(c)(5) | 1944 | $61,963 | $142,582 | 2025-12 | |
| Parent Booster USA Inc | Education | 501(c)(3) | 2005 | $61,597 | $68,668 | 2025-06 |
| Reach St Charles | Human services | 501(c)(3) | 2021 | $61,566 | $16,436 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $59,906 | $14,465 | 2024-12 | |
| Emerge Everyone Inc | Recreation and sports | 501(c)(3) | 2018 | $54,667 | $32,424 | 2023-12 |
| Just Enduring Inc | Mental health and crisis intervention | 501(c)(3) | 2020 | $54,008 | $116,819 | 2025-06 |
| Mid America Lacrosse Officials Association | Recreation and sports | 501(c)(3) | 2023 | $51,839 | $13,278 | 2025-12 |
| St Charles Rotary Club Charitable Fund | Human services | 501(c)(3) | 1994 | $51,321 | $12,437 | 2025-06 |
| Howell North High School Athletic Booster Club Inc | Recreation and sports | 501(c)(3) | 1996 | $48,377 | $67,237 | 2026-06 |
| Arts Festival Association | Arts, culture and humanities | 501(c)(3) | 1993 | $47,309 | $23,818 | 2025-12 |
| St Louis Bow Hunters | Recreation and sports | 501(c)(4) | 1969 | $45,367 | $159,169 | 2025-01 |
| Scholar Ministries | Human services | 501(c)(3) | 2015 | $43,348 | $123,296 | 2025-12 |
| Jesus in Disguise | 501(c)(3) | 2019 | $42,864 | $216 | 2023-12 | |
| Lifted Hands | Community improvement and capacity building | 501(c)(3) | 2024 | $41,200 | $1 | 2024-12 |
| St Charles Junior Baseball-Softball Association Inc | Recreation and sports | 501(c)(3) | 1993 | $40,543 | $41,410 | 2024-10 |
| Feed the Families Inc | Food, agriculture and nutrition | 501(c)(3) | 2022 | $39,755 | $1,488 | 2023-12 |
| SCB Forever Inc | Education | 501(c)(3) | 2019 | $38,397 | $155,113 | 2025-12 |
| Francis Howell School District Support Organization Council | 501(c)(3) | 1993 | $37,416 | $15,672 | 2025-06 | |
| Henderson Elementary Parent-Teacher Organization | 501(c)(3) | 1993 | $37,302 | $76,046 | 2025-07 | |
| 42 Samaj STL NFP | Arts, culture and humanities | 501(c)(3) | 2023 | $35,797 | $38,996 | 2025-12 |
| Kiwanis International Inc | 501(c)(4) | 1966 | $35,724 | $35,155 | 2025-09 | |
| Centered America | Civil rights, social action and advocacy | 501(c)(4) | 2025 | $27,773 | $725 | 2025-12 |
| American Legion | 501(c)(19) | 1946 | $26,732 | $913,628 | 2025-08 | |
| Bikers for Backpacks Inc | Youth development | 501(c)(3) | 2023 | $24,492 | $745 | 2025-12 |
| Harris House Real Estate | Community improvement and capacity building | 501(c)(3) | 2025 | $22,533 | $8.2 million | 2025-12 |
| Hartbauer McBride Memorial Foundation | Human services | 501(c)(3) | 2004 | $22,188 | $123,114 | 2025-12 |
| St Chux Derby Crew | Recreation and sports | 501(c)(3) | 2012 | $22,141 | $12,631 | 2025-12 |
| Pride St Charles | Civil rights, social action and advocacy | 501(c)(3) | 2016 | $18,317 | $47,469 | 2026-07 |
| Luke 923 Ministry | Religion-related | 501(c)(3) | 2014 | $12,760 | $4,290 | 2025-12 |
| St Charles Kiwanis Scholarship & Special Recognition Trust | 501(c)(3) | 1990 | $11,737 | $315,343 | 2025-09 | |
| Travelers Protective Association of America | 501(c)(8) | 1965 | $8,254 | $580,181 | 2026-03 | |
| The Society of Mayflower Descendants in the State of | 501(c)(3) | 1971 | $7,654 | $48,204 | 2025-06 | |
| Uzbek Missouri Community | Arts, culture and humanities | 501(c)(3) | 2023 | $6,167 | $1 | 2025-12 |
| Saint Charles Junior Jaycees | Community improvement and capacity building | 501(c)(4) | 2025 | $4,519 | $2,682 | 2025-12 |
| Wreck Em Roller Derby Inc | Recreation and sports | 501(c)(3) | 2022 | $2,713 | $314 | 2025-12 |
| Bridgeway Behavioral Health Foundation Board Inc | Human services | 501(c)(3) | 2009 | $2,266 | $127,223 | 2025-06 |
| Gymnastics Research Institute | Recreation and sports | 501(c)(3) | 2023 | $379 | $806 | 2025-09 |
| Norco Cyo Soccer Club | Recreation and sports | 501(c)(3) | 1987 | $6 | $35,765 | 2025-06 |
| 1St Marine Division Association St Louis Chapter | Philanthropy, voluntarism and grantmaking foundations | 501(c)(19) | 2000 | $0 | $0 | 2025-12 |
| 4 Moore Hearts Charity Inc | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| 513 Ministries | Food, agriculture and nutrition | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| 5280 Walk A Mile Foundation | Public and societal benefit | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| A Better U Foundation Inc | Human services | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| A Fighting Chance Foundation Corp | Health care | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| A Great Story | Arts, culture and humanities | 501(c)(3) | 2026 | $0 | $0 | 2022-07 |
| Agape Church | Religion-related | 501(c)(3) | 2025 | |||
| Agomoni St Louis Corporation | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Ambassador for Christ in Haiti | 501(c)(3) | 1991 | ||||
| American Legion Auxiliary | 501(c)(19) | 1946 | $0 | $0 | 2026-07 | |
| American Postal Workers Union | 501(c)(5) | 1973 | $0 | $0 | 2025-12 | |
| American Puppy Foundation | Animal-related | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| American Rose Society | 501(c)(3) | 1983 | $0 | $0 | 2025-12 | |
| Ancient Free & Accepted Masons of Missouri | 501(c)(10) | 1972 | $0 | $0 | 2026-06 | |
| Ancient Free & Accepted Masons of Missouri | 501(c)(10) | 1940 | $0 | $0 | 2024-12 | |
| Ancient Free & Accepted Masons of Missouri | 501(c)(10) | 1940 | $0 | $0 | 2025-12 | |
| Ancora College Holdings Inc | Education | 501(c)(3) | 2025 | $0 | $1 | 2025-06 |
| Angel Numbers Missouri | Mental health and crisis intervention | 501(c)(3) | 2025 | |||
| Angels for Animals | Animal-related | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Anu-Rag School of Music | Arts, culture and humanities | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Apostolic Christian Church of St Louis | 501(c)(3) | |||||
| Ark of Safety Christian Church | Religion-related | 501(c)(3) | 2007 | |||
| Asian Growth Initiative STL | Human services | 501(c)(3) | 2026 | |||
| Association of Peer Program Prefessionals Inc | Employment | 501(c)(3) | 2010 | $0 | $0 | 2026-07 |
| Athena Leadership Foundation Inc | Human services | 501(c)(3) | 2017 | $0 | $0 | 2025-06 |
| Axius Cares | Public and societal benefit | 501(c)(3) | 2025 | $1,016 | 2025-12 | |
| BMW MINISTRIE&BOLD Mandatesd Warriors | Religion-related | 501(c)(3) | 2020 | $0 | $0 | 2021-12 |
| Bahais of Saint Charles | 501(c)(3) | 1995 | ||||
| Ballast Pits Club | Recreation and sports | 501(c)(5) | 1999 | $0 | $0 | 2023-10 |
| Band of Pirates Parents | Education | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Baptist Missionary Association of Missouri | Religion-related | 501(c)(3) | 2013 | |||
| Barnwell Junior High Pto | 501(c)(3) | 1993 | $0 | $0 | 2025-06 | |
| Beacon of Faith Fellowship | 501(c)(3) | 1991 | ||||
| Beautiful Help Foundation | Youth development | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Behavior Helper Academy | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Behavior Helper Enrichment Center | Human services | 501(c)(3) | 2024 | |||
| Beiteen Association of Saint Louis | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Bereaved Parents of the USA | 501(c)(3) | 1996 | $0 | $0 | 2025-12 | |
| Bethesda Baptist Church | 501(c)(3) | 1965 | ||||
| Bev Roy Hope Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Bible Baptist Church | 501(c)(3) | 1980 | ||||
| Big Muddy Historical Game Alliance | Arts, culture and humanities | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Black Cat Coffee Cafe Project | Employment | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Blackhurst Elementary Pto | Education | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| Blessed By Smoke BBQ | Food, agriculture and nutrition | 501(c)(3) | 2025 | $0 | $0 | 2025-06 |
| Bogey Hills Baptist Church | 501(c)(3) | 1965 | ||||
| Boozefighters MC Chapter 270 | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Brian Enderle Memorial Fund | Medical research | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Brian P Murray Memorial Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Brotherhood of Locomotive Engineers and Trainmen | 501(c)(5) | 1940 | $0 | $0 | 2025-12 | |
| Business Women of Missouri Foundation Inc | Education | 501(c)(3) | 1994 | $0 | $0 | 2026-04 |
| CP Charities Inc | Human services | 501(c)(3) | 2014 | $0 | $0 | 2023-12 |
| Calvary Temple Assembly of God | 501(c)(3) | 1964 | ||||
| Canaan Ministries Inc | 501(c)(3) | 1982 | ||||
| Canine Search and Rescue Association | Animal-related | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Caring for Our Own | Religion-related | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| Carol Fromuth Legacy Inc | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Carried With Love | Health care | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Cat Zen Feline Society Inc | Animal-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Central Region Umpires for Womens Lacrosse Association | Mutual and membership benefit | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Central School Parent-Teacher Organization | 501(c)(3) | 1993 | $0 | $0 | 2025-06 | |
| Centro Cristiano En Manos Del Alfarero Inc | Religion-related | 501(c)(3) | 2024 | |||
| Chabad Lubavitch of St Charles County Inc | Religion-related | 501(c)(3) | 2020 | |||
| Charlestowne Event Commitee | Human services | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| Chi Omega Fraternity | 501(c)(7) | 1940 | $0 | $0 | 2025-04 | |
| Christian Coaches Network International | Recreation and sports | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Church of St Charles | Religion-related | 501(c)(3) | 2006 | |||
| Coat Project Inc | International, foreign affairs and national security | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Collaborative Church Solutions Inc | Religion-related | 501(c)(3) | 2025 | |||
| Collins Cares | Diseases, disorders and medical disciplines | 501(c)(3) | 2025 | |||
| Community Education Facilitators | Education | 501(c)(3) | 2016 | $0 | $0 | 2025-08 |
| Community Through Athletics Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Confluence Tech Hub Corporation | Education | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Connecting Point Church Inc | Religion-related | 501(c)(3) | 2012 | |||
| Cornerstone Ministries International | 501(c)(3) | 1985 | $0 | $1 | 2024-12 | |
| Counterpoint | Religion-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Covered Mo | Human services | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Craftsmen Cares Foundation | Religion-related | 501(c)(3) | 2016 | $18,452 | 2024-12 | |
| Created New Ministries | Religion-related | 501(c)(3) | 2021 | |||
| Crossed Heart BBQ Foundation | Human services | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Dance Company of St Charles | 501(c)(3) | 1994 | $0 | $0 | 2026-06 | |
| Defy Diabetes Inc | Health care | 501(c)(3) | 2026 | |||
| Delta Kappa Gamma Society | 501(c)(6) | 1965 | $0 | $0 | 2026-06 | |
| Delta Tau Delta Fraternity | 501(c)(7) | 1940 | $0 | $0 | 2025-06 | |
| Dementia Life | Health care | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Demolay International | 501(c)(3) | 1996 | $0 | $0 | 2025-12 | |
| Devon Alexander Foundation | Youth development | 501(c)(3) | 2025 | |||
| Dhun | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Disciple Media Brand | Arts, culture and humanities | 501(c)(3) | 2021 | $0 | $0 | 2025-08 |
| Discovery Elementary School Pto | Education | 501(c)(3) | 2017 | $0 | $0 | 2026-06 |
| Discovery Student Success Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| District 14 Information Exchange Inc | Mental health and crisis intervention | 501(c)(4) | 2011 | $0 | $0 | 2024-12 |
| Duchesne High School | 501(c)(3) | 1946 | ||||
| Dueling for Lincoln | 501(c)(3) | 2016 | $0 | $0 | 2024-12 | |
| Dunamis Church Inc | Religion-related | 501(c)(3) | 2019 | |||
| Eagleflight Ministries | 501(c)(3) | 1985 | $0 | $0 | 2026-04 | |
| Eaker Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $367,909 | 2025-12 | |
| Earl Woods Ministries | Religion-related | 501(c)(3) | 2022 | |||
| Eastern Missouri Climbers Association | Environment | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| El Movimiento - Latin Beginnings Ministries | Religion-related | 501(c)(3) | 2020 | $0 | $0 | 2025-08 |
| Ember Independent | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Embers Haven | Housing and shelter | 501(c)(3) | 2026 | |||
| Emerson Unitarian Universalist Chapel | Religion-related | 501(c)(3) | 2008 | |||
| Encourage Her Empowerment Group Inc | Religion-related | 501(c)(3) | 2026 | |||
| Ernest Martinez Ministries Inc | Religion-related | 501(c)(3) | 2023 | $1,559 | 2025-12 | |
| Eternal Family Network | Religion-related | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| FHC Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $1.1 million | 2025-12 | |
| FHHS Fbla Booster | Education | 501(c)(3) | 2026 | $0 | $0 | 2026-07 |
| FHN Touchdown Club | Recreation and sports | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Faith Covenant Ministries Inc | Religion-related | 501(c)(3) | 2015 | |||
| Faithtree Christian Fellowship Inc | Religion-related | 501(c)(3) | 2016 | $0 | $0 | 2023-12 |
| Family Fellowship | 501(c)(3) | 1972 | ||||
| Fbi St Louis Citizens Academy Alumni Association | Crime and legal-related | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Ffvcoin-Org Foundation | Food, agriculture and nutrition | 501(c)(3) | 2026 | |||
| Fighting Food Insecurity Inc | Food, agriculture and nutrition | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| First Baptist Church | 501(c)(3) | 1965 | ||||
| First Capitol Medical Mission | Health care | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| First Responder Wellness | Public and societal benefit | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Florissant Foursquare Church | 501(c)(3) | 1949 | ||||
| For the Love of Soldiers | Human services | 501(c)(3) | 2024 | |||
| Formm | Education | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Forward Marriage Network | Mental health and crisis intervention | 501(c)(3) | 2026 | |||
| Francis Howell Boys Soccer Booster Club | Recreation and sports | 501(c)(3) | 2013 | $0 | $0 | 2026-06 |
| Francis Howell High School Cross Country Booster Club | Education | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Francis Howell High School Track Booster Club | Education | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Francis Howell North Hockey Club | Recreation and sports | 501(c)(3) | 2026 | $0 | $1 | 2025-03 |
| Francis Howell North Junior Knights Football and Cheerleading | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-05 |
| Francis Howell School District Support Organization Council | 501(c)(3) | 1993 | $0 | $0 | 2025-06 | |
| Francis Howell School District Support Organization Council | 501(c)(3) | 1993 | $0 | $0 | 2026-06 | |
| Francis Howell School District Support Organization Council | 501(c)(3) | 1993 | $0 | $0 | 2024-06 | |
| Francis Howell School District Support Organization Council | 501(c)(3) | 1993 | $0 | $0 | 2026-06 | |
| Francis Howell School District Support Organization Council | 501(c)(3) | 1993 | $0 | $0 | 2024-07 | |
| Francis Howell School District Support Organization Council | 501(c)(3) | 1993 | $0 | $0 | 2025-06 | |
| Francis Howell School District Support Organization Council | 501(c)(3) | 1993 | $0 | $0 | 2025-06 | |
| Francis Howell School District Support Organization Council | 501(c)(3) | 1993 | $0 | $0 | 2025-06 | |
| Francis Howell School District Support Organization Council | 501(c)(3) | 1993 | $0 | $0 | 2026-06 | |
| Francis Howell School District Support Organization Council | 501(c)(3) | 1993 | $0 | $0 | 2025-06 | |
| Franklin Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $636,613 | 2025-12 | |
| Franks Heroes | Public and societal benefit | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Freedom KC Inc | Health care | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Freedom in Learning Inc | Education | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Frenchtown Heritage Museum | Arts, culture and humanities | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Friends of Warrior Wrestling Inc | Youth development | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Garden of Innocents | Human services | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Gasconade River Corporation | Recreation and sports | 501(c)(7) | 2020 | $0 | $0 | 2025-09 |
| Gateway Claybusters | Recreation and sports | 501(c)(3) | 2007 | $0 | $0 | 2025-10 |
| Gateway Coalition of Service Providers | Human services | 501(c)(4) | 2006 | $0 | $0 | 2025-06 |
| Gateway Gun Club Youth Shooters | Arts, culture and humanities | 501(c)(3) | 2023 | $34,126 | 2024-12 | |
| Generations in Faith Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Genesis Nexus | Environment | 501(c)(3) | 2025 | |||
| George M Null Parent Teacher Organization Pto | Education | 501(c)(3) | 2018 | $0 | $0 | 2026-06 |
| German Shepherd Dog Club of St Louis Inc | Animal-related | 501(c)(4) | 2012 | $0 | $0 | 2025-12 |
| Giant Rockets Foundation | Human services | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Gifted Peace Womens Foundation | Human services | 501(c)(3) | 2024 | |||
| Glorious Community Development Corp Oration | Youth development | 501(c)(3) | 2026 | |||
| Go Hard Basketball Youth Foundation | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Goddard School Parent Teacher Organization | Education | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Grace Baptist Church | 501(c)(3) | 1976 | ||||
| Grace Educational System Inc | Human services | 501(c)(3) | 2012 | $0 | $0 | 2023-12 |
| Grace Gospel Mission Church Inc | 501(c)(3) | 1967 | ||||
| Grace Period Inc | Housing and shelter | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Grace Presbyterian Church of St Charles County | 501(c)(3) | 1974 | 2010-12 | |||
| Greater St Louis Amateur Baseball Hall of Fame | Recreation and sports | 501(c)(3) | 2024 | $0 | $50,975 | 2024-09 |
| Hackmann RD Church of Christ | Religion-related | 501(c)(3) | 1999 | |||
| Harmonic Arts Foundation | Arts, culture and humanities | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Harvester Lions Foundation | Human services | 501(c)(3) | 2018 | $0 | $0 | 2026-06 |
| Heart of America Traffic Safetyservices Association | Public safety, disaster preparedness and relief | 501(c)(6) | 2025 | $0 | $0 | 2025-12 |
| Heart of Worship Ministry Group | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Heritage Bible Church | 501(c)(3) | 1964 | ||||
| Highland View Baptist Church | 501(c)(3) | 1965 | ||||
| Historic Downtown Association | Community improvement and capacity building | 501(c)(6) | 1999 | $0 | $0 | 2025-12 |
| Historic Frenchtowne Association | Arts, culture and humanities | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Hockey Club of Orchard Farm | Recreation and sports | 501(c)(3) | 2026 | |||
| Hollenbeck Middle School Pto | 501(c)(3) | 1993 | $0 | $0 | 2026-06 | |
| Homer T Wilson Humanitarian Fund | Public and societal benefit | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Honor 2 Our Heroes Foundation | Housing and shelter | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Hope Lutheran Church | 501(c)(3) | 1988 | ||||
| Hope Lutheran Pop Pto | Education | 501(c)(3) | 2019 | $0 | $0 | 2026-07 |
| Horizons Foundation | 501(c)(3) | 1998 | $8,590 | 2025-12 | ||
| Immanuel Lutheran Church | 501(c)(3) | 1941 | ||||
| Infragard Saint Louis Members Alliance | International, foreign affairs and national security | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Instep Church | Religion-related | 501(c)(3) | 2021 | |||
| Integrity Resolutions Inc | Human services | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| International Alliance of Composers Conductors and Performers Inc | Arts, culture and humanities | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| International Association of Electrical Inspectors | 501(c)(6) | 1956 | $0 | $0 | 2025-12 | |
| International Association of Lions Club | 501(c)(4) | 1966 | $0 | $0 | 2025-06 | |
| International Society of Automation St Louis Section | 501(c)(3) | 1982 | $0 | $0 | 2026-06 | |
| Jaycees of St Charles Charitablefoundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $4,949 | 2024-12 | |
| Jazzys Dream of Hope | Religion-related | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Jefferson Parent Teacher Organizati On | Education | 501(c)(3) | 2025 | |||
| John Kevins Voice | Religion-related | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| John L Roos and Linda C Roos Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $2,514 | 2024-12 | |
| Kids Camp | Religion-related | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Kindness for Colton | Health care | 501(c)(3) | 2022 | $0 | $0 | 2025-08 |
| Knights of Columbus | Religion-related | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Know More Inc | Health care | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Krampus Research Association of St Louis Inc | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| La Leche League of the United States of America | 501(c)(3) | 2017 | $0 | $0 | 2026-03 | |
| La Leche League of the United States of America | 501(c)(3) | 2017 | $0 | $0 | 2026-03 | |
| La Leche League of the United States of America | 501(c)(3) | 2017 | $0 | $0 | 2026-03 | |
| Ladies of Peace Unlimited | Employment | 501(c)(3) | 2016 | $289 | 2024-12 | |
| Lake View Club of Orchard Farm Inc | 501(c)(7) | 1980 | $0 | $0 | 2026-06 | |
| Larincia Hambrick Ministries Inc | Religion-related | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Legacy Builders Community Foundatio N Inc | Employment | 501(c)(3) | 2026 | |||
| Liam Michael Foundation | Food, agriculture and nutrition | 501(c)(3) | 2019 | $111 | 2025-10 | |
| Liberty Lives Forever | Education | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Library Leaders | Education | 501(c)(3) | 2019 | $0 | $0 | 2026-04 |
| Life in the Overflow | Human services | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| Little Hills Youth Archery | Youth development | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Living Word Fellowship Inc | 501(c)(3) | 1985 | ||||
| Loose Threads Quilt Guild | 501(c)(3) | 2015 | $0 | $0 | 2026-03 | |
| Loving Hands Foundation Inc | Human services | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Lucky K9 Rescue Inc | Animal-related | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Lutheran Womens Missionary League | 501(c)(3) | 1972 | ||||
| MBMBC Cop Ministries | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Macedonia Church Cemetery Association | 501(c)(13) | 1982 | $0 | $0 | 2026-03 | |
| Main Street Church | Religion-related | 501(c)(3) | 2010 | |||
| Make Over for Life Outreach | Human services | 501(c)(3) | 2009 | $0 | $0 | 2023-12 |
| Manadvantage | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2024-02 |
| Manna Project | Human services | 501(c)(3) | 2025 | |||
| Masonic Temple Association of St Charles Missouri | 501(c)(2) | 2014 | $0 | $0 | 2025-12 | |
| Masters Global Financial Group | Human services | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Matthias Lot Church | Religion-related | 501(c)(3) | 2022 | |||
| Men Moving Mountains | Public and societal benefit | 501(c)(3) | 2025 | |||
| Mercury Mothers Inc | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Migy Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Military Order of the Cootie of the United States | 501(c)(4) | 1965 | $0 | $0 | 2025-12 | |
| Military Order of the Cootie of the United States | 501(c)(4) | 1965 | $0 | $0 | 2025-12 | |
| Mishas House | Human services | 501(c)(3) | 2022 | $1 | 2023-09 | |
| Miss Amazing Missouri | Youth development | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Missouri Academic Coaches Association | Education | 501(c)(3) | 2018 | $0 | $0 | 2025-08 |
| Missouri Association of County Auditors | Community improvement and capacity building | 501(c)(6) | 2023 | $0 | $0 | 2025-12 |
| Missouri Conf United Methodist Men | 501(c)(3) | 1974 | ||||
| Missouri Floodplain and Stormwatermanagers Association | Environment | 501(c)(6) | 2006 | $0 | $0 | 2025-12 |
| Missouri Fury Fastpitch Softball | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Missouri Iota Chapter of the Phi Delta Theta Fraternity | Education | 501(c)(7) | 2025 | $0 | $0 | 2025-12 |
| Missouri Youth Cricket Association | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Mo Equity Education Partnership | 501(c)(3) | 2022 | $0 | $0 | 2023-12 | |
| Mom Kind | Civil rights, social action and advocacy | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Mopar Blast Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| More Than Enough Ministries | Human services | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Mount Horeb Historical Society Inc | Arts, culture and humanities | 501(c)(3) | 2015 | $0 | $0 | 2025-07 |
| Mount Zion Baptist Church of St Charles Missouri | Religion-related | 501(c)(3) | 1995 | 2021-12 | ||
| National Air Traffic Controllers Association | 501(c)(5) | 1990 | $0 | $0 | 2025-12 | |
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1949 | $0 | $0 | 2025-12 | |
| Nestling Noras Newest Angels | Human services | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| New City Church St Charles Inc | 501(c)(3) | 1965 | ||||
| New Hope Presbyterian Church | 501(c)(3) | 1964 | 2013-12 | |||
| New Town St Charles Mens Club | Community improvement and capacity building | 501(c)(4) | 2020 | $0 | $0 | 2023-12 |
| Nine Eighteen Cares | Human services | 501(c)(3) | 2023 | $0 | $0 | 2023-05 |
| Northeast Missouri Building and Construction Trades Council | Community improvement and capacity building | 501(c)(5) | 2019 | $0 | $0 | 2025-12 |
| On Pace Triathlon Training Club | Recreation and sports | 501(c)(7) | 2018 | $0 | $0 | 2025-12 |
| One Mission Aid Inc | Religion-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Open Doors Academic Center | Youth development | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Operation Fudge for Troops Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Optimist International | 501(c)(4) | 1958 | $0 | $0 | 2025-09 | |
| Optimist International | Community improvement and capacity building | 501(c)(4) | 1972 | $0 | $0 | 2025-09 |
| Orchard Farm Band Boosters Association | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Orchard Farm Baptist Church | 501(c)(3) | 1965 | ||||
| Orchard Farm Cats Boosters | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | |||
| Orchard Farm Jr Eagles Cheer | Recreation and sports | 501(c)(3) | 2026 | |||
| Orchard Farm Jr Eagles Football | Recreation and sports | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Orchard Farm Junior High School Pto | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Orchard Farm Middle School Pto | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Our Savior Lutheran Church Pre-School | 501(c)(3) | 1941 | 2013-12 | |||
| Out of the Unexpected | Religion-related | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Over Due Theatre Company | Arts, culture and humanities | 501(c)(3) | 2006 | $0 | $0 | 2023-12 |
| Pancretan Association of America | 501(c)(8) | 1946 | $0 | $0 | 2026-03 | |
| Panthers Hockey Club | Recreation and sports | 501(c)(3) | 2009 | $0 | $0 | 2025-06 |
| Parent Booster USA Inc | 501(c)(3) | 2005 | $0 | $0 | 2026-03 | |
| Pathos Legacy | Youth development | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Pattonville Firefighters Outreach | Public and societal benefit | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Pax Media & Ministry Foundation | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| People Helper Project | Food, agriculture and nutrition | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Peoples Community Christian Church | 501(c)(3) | 1994 | ||||
| Phantom Flyers RC Club | 501(c)(7) | 1974 | $0 | $0 | 2025-12 | |
| Printing 4 A Purpose | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Professional Fire Fighters of St Charles Iaff 757 Community Outreac | Public safety, disaster preparedness and relief | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Project Goldfinger | International, foreign affairs and national security | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Psi Chi the National Honor Society in Psychology | 501(c)(3) | 1957 | $0 | $0 | 2025-06 | |
| Purebred Dog Rescue of St Louis | Animal-related | 501(c)(3) | 1986 | $0 | $0 | 2025-12 |
| Race To Cure Lymphoma Incorporated | Diseases, disorders and medical disciplines | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Raven Robotics Booster Club | Science and technology | 501(c)(3) | 2025 | |||
| Raymond & Grace Harmon Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $2 million | 2025-12 | |
| Real Champions in Life Inc | Youth development | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Rebound No Return Inc | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Refreshing Word Fellowship Inc | Religion-related | 501(c)(3) | 2019 | |||
| Refuge Church of St Charles | Religion-related | 501(c)(3) | 2024 | 2024-12 | ||
| Resilience Inc | Mental health and crisis intervention | 501(c)(3) | 2026 | |||
| Restoration Church | 501(c)(3) | 1958 | ||||
| Ridgecrest Baptist Church | 501(c)(3) | 1965 | ||||
| Ring Around A Recipe | Human services | 501(c)(3) | 2020 | $1 | 2025-12 | |
| Rippleaffect Inc | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Road Runners Club of America | 501(c)(3) | 1976 | $0 | $0 | 2024-12 | |
| Rupununi Learners Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $99 | 2024-12 | |
| Ryan Ellis Singor Foundation | Mental health and crisis intervention | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| S Louis Lightning Sports Association Inc | Recreation and sports | 501(c)(3) | 2025 | |||
| S&S Campbell Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $480,479 | 2025-12 | |
| SCW Booster Club | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| SSM Health St Joseph Hospital St Charles | Health care | 501(c)(3) | 1946 | |||
| STL Grizzlies | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Saint Charles County Caps | Education | 501(c)(3) | 2023 | |||
| Saint Charles Film Festival | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Saint Michaels Army Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Sangama | Arts, culture and humanities | 501(c)(3) | 2000 | $0 | $0 | 2026-04 |
| Schaeffer Foundation | 501(c)(3) | 1992 | $1.3 million | 2025-12 | ||
| Schnurbusch Foundation | Medical research | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Second Chance Dentistry of Saint Lo Uis | Health care | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Selen Family & Community Services | Human services | 501(c)(3) | 2025 | |||
| Seton Regional Catholic School | 501(c)(3) | 1946 | ||||
| Seven More Cats Rescue | Animal-related | 501(c)(3) | 2015 | $0 | $0 | 2025-08 |
| Sharks FC Academy | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2024-05 |
| Show-Me Corvair Club Inc | Recreation and sports | 501(c)(7) | 2016 | $0 | $0 | 2025-12 |
| Sigma Gamma Rho Sorority Inc | 501(c)(7) | 1982 | $0 | $0 | 2026-06 | |
| Sigma Sigma Sigma Inc | 501(c)(7) | 1943 | ||||
| Snowballs Chance Racing | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Sober House Inc | Mental health and crisis intervention | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Something Beautiful International Inc | Religion-related | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Southside Imperial Dance Club | Recreation and sports | 501(c)(7) | 2017 | $0 | $0 | 2025-12 |
| Springs Ecozoic Center | Recreation and sports | 501(c)(7) | 2023 | $0 | $0 | 2025-12 |
| St Charles Amateur Radio Club Inc | 501(c)(7) | 1976 | $0 | $0 | 2025-12 | |
| St Charles Borromeo Catholic Church | 501(c)(3) | 1946 | ||||
| St Charles Chapter 791 Women of the Moose | 501(c)(8) | 1935 | $0 | $0 | 2025-12 | |
| St Charles Christian Church | 501(c)(3) | 1951 | ||||
| St Charles County Junior Service League | 501(c)(4) | 1997 | $0 | $0 | 2025-12 | |
| St Charles County Missouri Amateur Sports Hall of Fame | 501(c)(4) | 1985 | $0 | $0 | 2024-04 | |
| St Charles County Network of the | Community improvement and capacity building | 501(c)(6) | 2005 | $0 | $0 | 2024-12 |
| St Charles County Parks Foundation Inc | Recreation and sports | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| St Charles Crime Stoppers Inc | 501(c)(3) | 1991 | $0 | $0 | 2025-10 | |
| St Charles Golf Car Community | Public and societal benefit | 501(c)(3) | 2025 | |||
| St Charles Goodfellas | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| St Charles High Boosters Club | Education | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| St Charles Lions Charitable Association Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $0 | $0 | 2025-06 |
| St Charles Main Street Foundation Inc | Community improvement and capacity building | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| St Charles Motorcycle Club Inc | Recreation and sports | 501(c)(6) | 2004 | $0 | $0 | 2025-12 |
| St Charles Municipal Band Inc | Arts, culture and humanities | 501(c)(3) | 1994 | $0 | $0 | 2025-12 |
| St Charles Realtors Housing Foundation Inc | Housing and shelter | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| St Charles School District Foundation Inc | Education | 501(c)(3) | 1995 | $0 | $0 | 2025-05 |
| St Charles West Band Booster Club Inc | Arts, culture and humanities | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| St Cletus Catholic Church | 501(c)(3) | 1946 | ||||
| St Elizabeth Ann Seton Catholic Church | 501(c)(3) | 1946 | 2015-06 | |||
| St Joseph Catholic Church Cottleville | 501(c)(3) | 1946 | ||||
| St Louis Amateur Baseball Association | Recreation and sports | 501(c)(3) | 1991 | $0 | $0 | 2025-12 |
By cause in Saint Charles, MO
- Religion-related 60
- Human services 53
- Recreation and sports 48
- Education 43
- Arts, culture and humanities 37
- Philanthropy, voluntarism and grantmaking foundations 33
- Youth development 16
- Health care 15
- Community improvement and capacity building 15
- Animal-related 12
- Mental health and crisis intervention 12
- Public and societal benefit 11
- Housing and shelter 8
- Food, agriculture and nutrition 7
- Employment 6
- Environment 5
- Diseases, disorders and medical disciplines 5
- International, foreign affairs and national security 5
- Public safety, disaster preparedness and relief 4
- Mutual and membership benefit 4
- Civil rights, social action and advocacy 4
- Medical research 3
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.