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. Hamilton County Special Deputy Sheriffs Inc

    EIN 316055848 · Headquarters: MASON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Hamkor Uz Cincinnati Association

    EIN 852749950 · Headquarters: MASON, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Heart of Ohio Irish Wolfhound Association

    EIN 994053909 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Helping Hand Mason Oh

    EIN 470961175 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Heritage Youth-for-All-Nations Foundation

    EIN 263447917 · Headquarters: Mason, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  6. Himss Central and Southern Ohio Chapter

    EIN 364432105 · Headquarters: Mason, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Hindu Community Center of Greater C Incinnati

    EIN 395164251 · Headquarters: Mason, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Hua Xia Chinese School

    EIN 261429783 · Headquarters: MASON, OH, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Hug the World Foundation

    EIN 462414722 · Headquarters: MASON, OH, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Icm Learning Academy

    EIN 861290720 · Headquarters: MASON, OH, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Immanuels Soldiers Ministries Inc

    EIN 471740857 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  12. Indian American Chamber of Commerce of Greater Cincinnati and Nky

    EIN 010946398 · Headquarters: MASON, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Infusion Nurses Society Inc

    EIN 311367281 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  14. Inner Faith Covenant Ministries

    EIN 812438409 · Headquarters: Mason, OH, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Insuring the Children of Southern Ohio Co Ms Melissa Brunner

    EIN 311475823 · Headquarters: Mason, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. International Assn of Firefighters

    EIN 912058750 · Headquarters: Mason, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. International Order of the Rainbow Girls

    EIN 237144907 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Jazjordan Inc Artis

    EIN 464687760 · Headquarters: MASON, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Jennifer Leigh Kynkor Foundation

    EIN 202987510 · Headquarters: Mason, OH, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  20. Jewish War Veterans of the United States of America Inc

    EIN 316050522 · Headquarters: Mason, OH, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  21. Jim Toy Ministries Inc

    EIN 203119521 · Headquarters: Mason, OH, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. Jose Cerda Navarro Aquatic Foundation

    EIN 274562740 · Headquarters: MASON, OH, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Josh Cares Inc

    EIN 841714381 · Headquarters: MASON, OH, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990

  24. Journey4youth Inc

    EIN 352435107 · Headquarters: Mason, OH, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Joyful Rise Inc

    EIN 393983873 · Headquarters: Mason, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Julie Ann Winters Cystic Fibrosis Memorial Foundation Inc

    EIN 311640260 · Headquarters: MASON, OH, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Junior Crusaders Lacrosse Club

    EIN 460801959 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Jvh Memorial Fund Inc

    EIN 263144787 · Headquarters: Mason, OH, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  29. Karen Carns Foundation

    EIN 421552724 · Headquarters: MASON, OH, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Kingsgylax

    EIN 831993317 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. Kiwanis Club of Mason

    EIN 316061378 · Headquarters: MASON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Knights of Columbus

    EIN 311298050 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Knights of Pythias Grand Lodge

    EIN 237563435 · Headquarters: mason, OH, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  34. Kristis Tumbling and Trampoline Booster Club Inc

    EIN 134339869 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  35. La Leche League International Inc

    EIN 311246187 · Headquarters: Mason, OH, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  36. Lacrosse for Wished Southern Ohio

    EIN 474860903 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  37. Lambda Chi Alpha Home Company of the Ohio University

    EIN 316097239 · Headquarters: Mason, OH, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  38. Leadercast Live Dayton

    EIN 833931518 · Headquarters: Mason, OH, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  39. Learning Tree Achievement Center

    EIN 300661042 · Headquarters: Mason, OH, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  40. Liberty Bible Academy Association Inc

    EIN 311056220 · Headquarters: MASON, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Lifeline Educational Services Inc

    EIN 821763269 · Headquarters: Mason, OH, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  42. Lifeworks USA Inc

    EIN 862397590 · Headquarters: MASON, OH, USA · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  43. Lindner Center of Hope Professional Associates

    EIN 472338641 · Headquarters: Mason, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Little Helpers

    EIN 842927884 · Headquarters: Mason, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Live Like Maya Foundation

    EIN 833467055 · Headquarters: MASON, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Lovelikejj

    EIN 862211027 · Headquarters: MASON, OH, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Luke5adventures

    EIN 850873516 · Headquarters: MASON, OH, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Lumiere the Simone Isabella Scott Foundation

    EIN 882667544 · Headquarters: MASON, OH, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Made Vision Partners

    EIN 333125491 · Headquarters: Mason, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Magical Moments Preschool Inc

    EIN 275162253 · Headquarters: MASON, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Mahabah Inc

    EIN 922330434 · Headquarters: MASON, OH, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Marriage School Llc

    EIN 364750039 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  53. Mars Hill Ministries Inc

    EIN 311450811 · Headquarters: MASON, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Mars Hill SGO

    EIN 921550922 · Headquarters: Mason, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Marys Bridge Inc

    EIN 920702166 · Headquarters: MASON, OH, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Mason 3-6 Pto

    EIN 020618576 · Headquarters: MASON, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Mason Accelerator for Robotics and Science Fund Inc

    EIN 822104248 · Headquarters: MASON, OH, US · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  58. Mason Amateur Baseball Inc

    EIN 311589089 · Headquarters: Mason, OH, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  59. Mason Area Chamber of Commerce

    EIN 311013854 · Headquarters: MASON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Mason Arts Council

    EIN 842914786 · Headquarters: Mason, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Mason Athletic Booster Association

    EIN 010921486 · Headquarters: mason, OH, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  62. Mason Athletic Booster Association

    EIN 205143899 · Headquarters: Mason, OH, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  63. Mason Athletic Booster Association

    EIN 263626434 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  64. Mason Athletic Booster Association

    EIN 263747596 · Headquarters: Mason, OH, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Mason Athletic Booster Association

    EIN 263754204 · Headquarters: MASON, OH, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  66. Mason Athletic Booster Association

    EIN 263754737 · Headquarters: Mason, OH, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. Mason Athletic Booster Association

    EIN 263797008 · Headquarters: Mason, OH, US · Housing & Shelter · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  68. Mason Athletic Booster Association

    EIN 263843080 · Headquarters: Mason, OH, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. Mason Athletic Booster Association

    EIN 264005419 · Headquarters: Mason, OH, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  70. Mason Athletic Booster Association

    EIN 264135503 · Headquarters: MASON, OH, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Mason Athletic Booster Association

    EIN 264408416 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Mason Athletic Booster Association

    EIN 800277866 · Headquarters: Mason, OH, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  73. Mason Athletic Booster Association

    EIN 800321791 · Headquarters: Mason, OH, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  74. Mason Athletic Booster Association

    EIN 943459860 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  75. Mason Band Boosters Inc

    EIN 311060187 · Headquarters: MASON, OH, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  76. Mason Basketball Association Incorporated

    EIN 311362480 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Mason Boys Basketball Association Inc

    EIN 922674481 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Mason Boys Golf Boosters

    EIN 863292957 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  79. Mason Bulldogs Baseball Organization

    EIN 270500652 · Headquarters: Mason, OH, US · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. Mason Center for Robotics

    EIN 992737025 · Headquarters: Mason, OH, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Mason Chorale Inc

    EIN 311475382 · Headquarters: Mason, OH, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Mason Christian Village Auxiliary

    EIN 821895520 · Headquarters: Mason, OH, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Mason Comets Baseball Club Fund

    EIN 870779631 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  84. Mason Community Players Inc

    EIN 310985553 · Headquarters: Mason, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Mason Cross Country Track and Field Boosters

    EIN 263754501 · Headquarters: Mason, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Mason Deerfield Arts Alliance

    EIN 204044371 · Headquarters: Mason, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Mason Deerfield Chamber Community Development Corporation Inc

    EIN 270091032 · Headquarters: MASON, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Mason Deerfield Rotary Foundation

    EIN 311616108 · Headquarters: MASON, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Mason Early Childhood Center Parent-teacher Organization Mecc

    EIN 311470919 · Headquarters: MASON, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Mason Education Association

    EIN 521446080 · Headquarters: Mason, OH, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Mason Fast Pitch Softball Club

    EIN 331079402 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  92. Mason Girls Volleyball Boosters Inc

    EIN 991769991 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. Mason Girls Wrestling Booster Association

    EIN 395025701 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Mason Grizzlies Baseball Organization Inc

    EIN 263095917 · Headquarters: MASON, OH, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Mason High School Mens Volleyball Booster Club

    EIN 334836259 · Headquarters: Mason, OH, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Mason High School Pto

    EIN 843538449 · Headquarters: Mason, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Mason High School Two Point Club Inc

    EIN 871404628 · Headquarters: Mason, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Mason Historical Society Inc

    EIN 311046003 · Headquarters: MASON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Mason Home Run Club

    EIN 862664237 · Headquarters: Mason, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Mason Lacrosse Club

    EIN 743071309 · Headquarters: MASON, OH, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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