Nonprofits in Clayton, Missouri

Nonprofits in Clayton, Missouri. Browse 249 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. Sylvester Hunt Charitable Trust

    EIN 436255850 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. Technology for Disabled Americans Tfda

    EIN 205278189 · Headquarters: CLAYTON, MO, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. The 3 Legacy Foundation

    EIN 932579415 · Headquarters: Clayton, MO, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  4. The Anthony F Sansone Sr & Mary Anne Michaels Sansone Charitable Foundation

    EIN 436804692 · Headquarters: Clayton, MO, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  5. The Benedictus Foundation

    EIN 206773633 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  6. The Ecumenical Leadership Council

    EIN 943448077 · Headquarters: Clayton, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. The Fivefold Foundation C/o Paul a Novelly Ii

    EIN 333695504 · Headquarters: CLAYTON, MO, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  8. The Greater St Louis Air and Space Museum

    EIN 431279777 · Headquarters: Clayton, MO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  9. The Heart of Oak Foundation

    EIN 742557158 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  10. The High Point Foundation C/o Chandra Niemann

    EIN 333696206 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. The Jackes Foundation

    EIN 436074447 · Headquarters: CLAYTON, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. The James H Napier Foundation

    EIN 136029883 · Headquarters: CLAYTON, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  13. The James J Flaherty Md Foundation

    EIN 376319141 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. The Janning Family Foundation

    EIN 331188475 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  15. The Joseph and Diana Carter Foundation

    EIN 481158538 · Headquarters: CLAYTON, MO, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. The Joshua Chamberlain Society

    EIN 262208651 · Headquarters: Clayton, MO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. The Kent and Jeannine Kalkwarf Charitable Foundation

    EIN 832619762 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. The Olin Corporation Charitable Foundation

    EIN 833359293 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  19. The Rubin Family Foundation C/o Matter Family Office

    EIN 371416413 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  20. The Scottish St Andrew Society of Greater St Louis

    EIN 431119008 · Headquarters: Clayton, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. The Snow Foundation

    EIN 455308117 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. The St Louis Chapter of the Risk Management Association

    EIN 421754444 · Headquarters: Clayton, MO, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. The Thiemann Family Foundation

    EIN 475403929 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. The Tim and Lillian Soldwedel Foundation

    EIN 376296318 · Headquarters: CLAYTON, MO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  25. The Voss Family Foundation

    EIN 306542181 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  26. The Wilson School

    EIN 436099964 · Headquarters: CLAYTON, MO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Thomas Campbell Trust

    EIN 376212982 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  28. Toastmasters International

    EIN 384139599 · Headquarters: Clayton, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Toastmasters International

    EIN 900583170 · Headquarters: Clayton, MO, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  30. Toastmasters International

    EIN 901255883 · Headquarters: Clayton, MO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  31. Tobacco-free St Louis

    EIN 202160108 · Headquarters: CLAYTON, MO, USA · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  32. Toko Math

    EIN 842566338 · Headquarters: Clayton, MO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Uniteone Organization

    EIN 863694906 · Headquarters: CLAYTON, MO, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  34. Very Important Patients Hospital Productions

    EIN 471483228 · Headquarters: Clayton, MO, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  35. Veterans Memorial Committee

    EIN 455625747 · Headquarters: Clayton, MO, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  36. Veterans of Foreign Wars Dept of Missouri

    EIN 203521703 · Headquarters: Clayton, MO, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  37. Victor & Selene Deliniere Charitable

    EIN 436937088 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. Virgil & Norma Haderlein Char Trust

    EIN 436912638 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  39. Walter L Spurck Tw Fbo Children Home

    EIN 376204829 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  40. Westermann Joint Living Trust

    EIN 436848005 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. William Cullen Mcbride Alumni Club

    EIN 431504765 · Headquarters: Clayton, MO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. William P Ingersoll Trust C

    EIN 921125580 · Headquarters: CLAYTON, MO, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. William S Barnickel Foundation

    EIN 431698028 · Headquarters: CLAYTON, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  44. Working Group for Bosnia and Herzegovina

    EIN 922248113 · Headquarters: Clayton, MO, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Wydown Terrace Assn

    EIN 430595859 · Headquarters: Clayton, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Young Nonprofit Professionals Network - St Louis Chapter

    EIN 264463585 · Headquarters: Clayton, MO, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  47. Ypo Gold St Louis

    EIN 431763204 · Headquarters: CLAYTON, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Zechus Hatorah Inc

    EIN 933930595 · Headquarters: Clayton, MO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Zion Cemetery Association Endowed Care Trust

    EIN 436573653 · Headquarters: CLAYTON, MO, USA · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990

First page and all pages