Nonprofits in Mason, Ohio

Nonprofits in Mason, Ohio. Browse 360 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. South Lebanon School House Quilt Show

    EIN 263262202 · Headquarters: Mason, OH, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  2. Southwest Ohio Bible Quiz Association

    EIN 383785625 · Headquarters: Mason, OH, US · Religion Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  3. Southwest Ohio Hearts

    EIN 841661578 · Headquarters: MASON, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Southwest Ohio Self-insurers Associ

    EIN 237111622 · Headquarters: MASON, OH, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Sparking Lives Inc

    EIN 812023543 · Headquarters: MASON, OH, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Sparkstream Technology Incubator Inc

    EIN 311780967 · Headquarters: Mason, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  7. Spectrum Empowerment

    EIN 923682569 · Headquarters: MASON, OH, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Sree Saradamba Jyothishyalayam Inc

    EIN 933613501 · Headquarters: Mason, OH, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Stellar Wonderz

    EIN 992812157 · Headquarters: Mason, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Syrian American Foundation

    EIN 452932774 · Headquarters: MASON, OH, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. Tarangini Telugu Assn of Greater Cincin Nati

    EIN 208417022 · Headquarters: MASON, OH, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Team Davis

    EIN 371692229 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  13. Team Monley

    EIN 262923170 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  14. The Bible Is Boss

    EIN 862714830 · Headquarters: MASON, OH, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. The Hero Club

    EIN 830562097 · Headquarters: MASON, OH, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. The Makino Foundation (Fka the Leblond Foundation of Makino)

    EIN 316036274 · Headquarters: MASON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. The Marla Hunter Foundation Corp

    EIN 463111520 · Headquarters: MASON, OH, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. The Matson Family Foundation

    EIN 452154457 · Headquarters: MASON, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. The Ohio State University Alumni Association Inc

    EIN 311083256 · Headquarters: MASON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. The Rockwern Charitable Foundation

    EIN 311590504 · Headquarters: MASON, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. The Sister Accord Foundation

    EIN 453010163 · Headquarters: MASON, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. The Sofia Foundation for Children's Safety Inc

    EIN 823930741 · Headquarters: Mason, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Theta Upsilon Housing Company Inc

    EIN 310827804 · Headquarters: Mason, OH, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Toastmasters International

    EIN 161689676 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Toastmasters International

    EIN 205394462 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  26. Toastmasters International

    EIN 311330105 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. Toastmasters International

    EIN 311464923 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Toastmasters International

    EIN 311528293 · Headquarters: Mason, OH, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  29. Toastmasters International

    EIN 900116340 · Headquarters: Mason, OH, US · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  30. Toastmasters International

    EIN 900670233 · Headquarters: Mason, OH, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  31. Toastmasters International

    EIN 901189488 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  32. Toastmasters International

    EIN 994684479 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Trailblazers Booster Club

    EIN 562291130 · Headquarters: MASON, OH, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Transatlantic Brides & Parents

    EIN 366211098 · Headquarters: MASON, OH, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  35. Transatlantic Brides & Parents Association USA & Canada Division

    EIN 237222440 · Headquarters: Mason, OH, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  36. Trauma Free World

    EIN 934129075 · Headquarters: Mason, OH, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Tri State Athletics

    EIN 311787226 · Headquarters: Mason, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Tri-state Multiples

    EIN 611393583 · Headquarters: Mason, OH, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  39. Tri-state Umiya Dham of Cincinnati

    EIN 810793011 · Headquarters: MASON, OH, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Tried & True Parenting Inc

    EIN 811239559 · Headquarters: MASON, OH, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Uhambo 8286 Incorporated

    EIN 853596988 · Headquarters: Mason, OH, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Union Baptist Church Pioneer Housing In Page Tower Apartments

    EIN 310827809 · Headquarters: Mason, OH, USA · Housing & Shelter · Latest available filing year: 2022 · Primary form: IRS Form 990

  43. United Mission to Africa

    EIN 851823095 · Headquarters: MASON, OH, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. United States Matsubayashi-ryu Karate-do Federation

    EIN 770702848 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  45. University Pointe Dental Office Condominiums Association Inc

    EIN 263176628 · Headquarters: MASON, OH, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  46. Us Airways Pilots Emergency Assistance Fund

    EIN 270410434 · Headquarters: MASON, OH, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. Venkataramayya & Achammamba Kudithipudi Private Foundation

    EIN 274387570 · Headquarters: MASON, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. Veterans of Foreign Wars of the U S Post 9622

    EIN 310656095 · Headquarters: Mason, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  49. Volunteer Friends for the Mason Library

    EIN 061752324 · Headquarters: Mason, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Ward Family Foundation Attn Mr Bill Ward

    EIN 311039467 · Headquarters: MASON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  51. Warren County Convention & Visitors Bure Bureau

    EIN 310984473 · Headquarters: MASON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Warren County of Ohio Community Emergency Response Team

    EIN 815396727 · Headquarters: Mason, OH, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Warren County Soccer Club

    EIN 020737168 · Headquarters: Mason, OH, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990

  54. Watermark Encouragement Institute

    EIN 800672399 · Headquarters: Mason, OH, US · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  55. Wendy Faulkner Memorial Childrens Foundation

    EIN 311802727 · Headquarters: Mason, OH, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. West Carrollton Football Alumni Club Inc

    EIN 272666997 · Headquarters: Mason, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Westchester Baseball Partnership

    EIN 271452482 · Headquarters: mason, OH, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. William J Best Foundation

    EIN 311423876 · Headquarters: MASON, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  59. Womens Business Enterprise Council Ohio River Valley

    EIN 922926370 · Headquarters: Mason, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Zac Ackman Cincinnati Fallen Bikers Foundation Inc

    EIN 831849402 · Headquarters: Mason, OH, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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