Nonprofits in Waterloo, Illinois

Nonprofits in Waterloo, Illinois. Browse 140 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. Mueth Family Foundation

    EIN 208110503 · Headquarters: WATERLOO, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  2. National Rural Letter Carriers Association

    EIN 237235511 · Headquarters: WATERLOO, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  3. National Society of the Daughters of the American Revolution

    EIN 371204044 · Headquarters: Waterloo, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Onsite Wastewater Professionals of Il Association Ltd

    EIN 800328777 · Headquarters: Waterloo, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  5. Optimist International

    EIN 371280025 · Headquarters: WATERLOO, IL, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  6. Prairie Du Rocher Saddle & Bridle Club

    EIN 376059549 · Headquarters: WATERLOO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Project Skipper

    EIN 274879185 · Headquarters: Waterloo, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Rapturo Inc Nfp

    EIN 992590292 · Headquarters: Waterloo, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. React International

    EIN 237166082 · Headquarters: Waterloo, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  10. Rotary International

    EIN 376079440 · Headquarters: Waterloo, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Sister Cities of Porta Loo

    EIN 371108466 · Headquarters: Waterloo, IL, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 376076459 · Headquarters: Waterloo, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Society of St Vincent De Paul

    EIN 270812996 · Headquarters: Waterloo, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Southern Illinois 4-H Club Camp Association

    EIN 370667357 · Headquarters: Waterloo, IL, US · Youth Development · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  15. St Clair County Extension and 4-H Education Foundation

    EIN 371073431 · Headquarters: WATERLOO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. St Louis

    EIN 431435131 · Headquarters: WATERLOO, IL, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  17. St Paul Evangelical Burial Park

    EIN 370498485 · Headquarters: WATERLOO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Swing Fore Monroe County Inc

    EIN 880552761 · Headquarters: Waterloo, IL, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. The Vincentian Community

    EIN 810695194 · Headquarters: Waterloo, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Tops Club Inc

    EIN 043791771 · Headquarters: Waterloo, IL, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  21. Tops Club Inc

    EIN 352540901 · Headquarters: Waterloo, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Waterloo Area Garden Club of Illinois Nfp

    EIN 205357907 · Headquarters: Waterloo, IL, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  23. Waterloo Band Parents Organization Inc

    EIN 813917123 · Headquarters: Waterloo, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Waterloo Basketball Association Nfp

    EIN 813870584 · Headquarters: WATERLOO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Waterloo Bulldog Wrestling

    EIN 371861415 · Headquarters: WATERLOO, IL, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Waterloo Chamber of Commerce

    EIN 371118006 · Headquarters: WATERLOO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. Waterloo Chapter of Mo Co Sportsman's Club Inc

    EIN 370745129 · Headquarters: WATERLOO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Waterloo Citizens for a Pool

    EIN 815073926 · Headquarters: WATERLOO, IL, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Waterloo Columbus Club Inc

    EIN 371204585 · Headquarters: WATERLOO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. Waterloo Ffa Alumni

    EIN 821451531 · Headquarters: Waterloo, IL, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. Waterloo Foundation for Excellence in Education

    EIN 474390114 · Headquarters: Waterloo, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Waterloo High School Bulldogs Athletic Booster Club

    EIN 371412479 · Headquarters: WATERLOO, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Waterloo Lions Club

    EIN 376047248 · Headquarters: WATERLOO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Waterloo Listens

    EIN 931720739 · Headquarters: Waterloo, IL, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Waterloo Museum Society

    EIN 371399761 · Headquarters: Waterloo, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Waterloo Park District Foundation Nfp

    EIN 995013892 · Headquarters: Waterloo, IL, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Waterloo Piranhas Team Corporation

    EIN 993356005 · Headquarters: Waterloo, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Waterloo Quadrille Dancers Inc

    EIN 371240091 · Headquarters: Waterloo, IL, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  39. Waterloo Rotary Tol

    EIN 364624952 · Headquarters: Waterloo, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Waterloo Sports Association

    EIN 371190376 · Headquarters: WATERLOO, IL, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

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