Nonprofits in O Fallon, Illinois

Nonprofits in O Fallon, Illinois. Browse 86 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Aesops Attic Inc

    EIN 465030713 · Headquarters: O FALLON, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Air Force Association

    EIN 251377914 · Headquarters: O FALLON, IL, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  3. American Federation of Teachers

    EIN 371290920 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Artisan Guild of Southern Illinois

    EIN 263607542 · Headquarters: O FALLON, IL, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  5. Ase Ohana Inc

    EIN 852912116 · Headquarters: O Fallon, IL, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  6. Aubrey Osullivan Foundation - to Cure Reducing Body Myopathy Inc

    EIN 873384138 · Headquarters: O Fallon, IL, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Believe Memorial Foundation

    EIN 833339408 · Headquarters: O Fallon, IL, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Belle Clair Rotary Foundation

    EIN 300031697 · Headquarters: O Fallon, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Blue Sox Baseball Club

    EIN 275197664 · Headquarters: O Fallon, IL, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  10. Buffalo Soldiers Motorcycle Club Southwest Illinois

    EIN 743220450 · Headquarters: O Fallon, IL, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Central 104 Pto

    EIN 331351186 · Headquarters: O FALLON, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Central Youth Outreach Nfp

    EIN 208191644 · Headquarters: O FALLON, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Department of Illinois Ladies Auxiliary Vfw Inc

    EIN 371250363 · Headquarters: O Fallon, IL, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  14. Disabled American Veterans Auxiliary

    EIN 393207322 · Headquarters: O FALLON, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. District 90 Ptd Presidents

    EIN 371332743 · Headquarters: O FALLON, IL, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  16. East Side Life Underwriters Assoc

    EIN 371175386 · Headquarters: O Fallon, IL, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  17. Edmistone Health Alliance

    EIN 463300442 · Headquarters: O FALLON, IL, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  18. Estelle Kampmeyer Parent-teacher Or

    EIN 364612054 · Headquarters: O FALLON, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Friends of the Ofallon Public Library

    EIN 371072403 · Headquarters: O FALLON, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. Gritty Baseball Project

    EIN 852741205 · Headquarters: O FALLON, IL, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Hearts N Hands Quilt Guild

    EIN 371343201 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  22. Heroes of the Metro East

    EIN 991366981 · Headquarters: O Fallon, IL, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Hooked on Hope Nfp

    EIN 813292626 · Headquarters: O Fallon, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Hope House of Southern Illinois

    EIN 394404322 · Headquarters: O Fallon, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. HSHS St. Elizabeth's Foundation / St. Elizabeth's Hospital

    EIN 370663567 · Headquarters: O'Fallon, IL, United States · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Hudson-essex Terraplane Club Inc

    EIN 311238598 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Hugh J White Chapter Tuskegee Airmen Inc

    EIN 431923980 · Headquarters: O Fallon, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Illinois Federation of Dog Clubs and Owners

    EIN 271500220 · Headquarters: O Fallon, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Illinois State Grange

    EIN 237590644 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Illinois State Grange

    EIN 362193590 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Jarrot Mansion Project Inc

    EIN 371332741 · Headquarters: O Fallon, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. John Wilt Foundation

    EIN 271948833 · Headquarters: O FALLON, IL, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. Kiwanis International Inc

    EIN 376048611 · Headquarters: O FALLON, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Kiwanis International Inc

    EIN 911840283 · Headquarters: O FALLON, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  35. Knights of Columbus

    EIN 237142302 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Knights of Columbus 1829 Pope John Paul I Assembly

    EIN 371115921 · Headquarters: O Fallon, IL, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  37. Le Coeur La Cle a Charlotte Mason Cooperative

    EIN 932646340 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Little Brothers Pet Rescue

    EIN 831756033 · Headquarters: O FALLON, IL, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  39. Living LFS

    EIN 471326501 · Headquarters: O FALLON, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Love Them All

    EIN 832103262 · Headquarters: O FALLON, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Main Street Ofallon Project

    EIN 371354918 · Headquarters: O FALLON, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  42. Marie Schaefer School

    EIN 471488940 · Headquarters: O Fallon, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Metro Alliance Futbol Club

    EIN 863890688 · Headquarters: O FALLON, IL, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  44. Metro East Literacy Project

    EIN 833420554 · Headquarters: O Fallon, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Metro East Momco

    EIN 394118485 · Headquarters: O Fallon, IL, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Metro-east Landlords Association

    EIN 371254554 · Headquarters: O Fallon, IL, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Mid-america Figure Skating Academy

    EIN 932006796 · Headquarters: O Fallon, IL, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Midwest Wing Fest Inc

    EIN 451161443 · Headquarters: O Fallon, IL, USA · Public & Societal Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  49. Mike Kelley Foundation

    EIN 810709338 · Headquarters: O FALLON, IL, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  50. Mission 2819 Inc

    EIN 820735081 · Headquarters: O Fallon, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Mission X Market

    EIN 992092580 · Headquarters: O FALLON, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. Music for Life Alliance Inc

    EIN 205819946 · Headquarters: O FALLON, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. National Society of the Daughters of the American Revolution

    EIN 352381561 · Headquarters: O FALLON, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. National Society of the Daughters of the American Revolution

    EIN 376045735 · Headquarters: O FALLON, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. O Fallon Neighbors

    EIN 992266274 · Headquarters: O Fallon, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. O Fallon Womans Club Inc

    EIN 371301840 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. O'Fallon Columbus Club Inc

    EIN 370845242 · Headquarters: O Fallon, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. O'Fallon Veterans Monument Association Inc

    EIN 200174278 · Headquarters: O Fallon, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Ofallon Booster Club Inc

    EIN 376176183 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Ofallon Chapter of the Fop

    EIN 371313909 · Headquarters: O FALLON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Ofallon Historical Society Inc

    EIN 371242974 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Ofallon Sportsmens Club

    EIN 370809958 · Headquarters: O FALLON, IL, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Once Upon a Prayer

    EIN 814325065 · Headquarters: O FALLON, IL, USA · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  64. Prophecy Charity Riders Ii

    EIN 933124789 · Headquarters: O Fallon, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Rebirth East Saint Louis

    EIN 262950955 · Headquarters: O FALLON, IL, USA · Religion Related · Latest available filing year: 2014 · Primary form: IRS Form 990

  66. Renewed Church of God Inc

    EIN 810700608 · Headquarters: O Fallon, IL, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. Rotary International

    EIN 376078509 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Rotary International Zones 30 & 31 Institute

    EIN 640870559 · Headquarters: O FALLON, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990

  69. Science and Technology Education Project Nfp

    EIN 800741989 · Headquarters: O Fallon, IL, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Scott Hockey Club

    EIN 371402861 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Senior Citizens Club of O Fallon Illinois

    EIN 371265173 · Headquarters: O Fallon, IL, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  72. Shoppes at Green Mount Association Inc

    EIN 261388831 · Headquarters: O FALLON, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Si Ice Hawks Hockey

    EIN 261094556 · Headquarters: O Fallon, IL, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Society of American Military Engineers

    EIN 376046844 · Headquarters: O FALLON, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Sons of Confederate Veterans Inc

    EIN 043593832 · Headquarters: O Fallon, IL, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  76. Soulcial Solutions Foundation

    EIN 862068041 · Headquarters: O FALLON, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Southern Illinois First

    EIN 473706616 · Headquarters: O Fallon, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Spencer Pet Rescue

    EIN 861172833 · Headquarters: O Fallon, IL, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. St Josephs Burial Association

    EIN 376038774 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Supporting Our Heroes Foundation

    EIN 822618183 · Headquarters: O FALLON, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Toastmasters International

    EIN 237095684 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Toastmasters International

    EIN 301258032 · Headquarters: O Fallon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Toastmasters International

    EIN 901133542 · Headquarters: O Fallon, IL, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  84. Urban City Lights Nfp

    EIN 934451807 · Headquarters: O Fallon, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. WashU Medicine Physicians

    EIN 822026363 · Headquarters: O FALLON, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Well Care Home Nfp Inc

    EIN 931999731 · Headquarters: O FALLON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ