Nonprofits in Houston, Texas

Nonprofits in Houston, Texas. Browse 16,968 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. Oral Care Matters Association

    EIN 334314294 · Headquarters: Houston, TX, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Oran Roberts Elementary School Pto

    EIN 742198519 · Headquarters: HOUSTON, TX, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Orange Grove Elementary Pto

    EIN 812077027 · Headquarters: Houston, TX, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  4. Orchard Communities Inc

    EIN 743162757 · Headquarters: Houston, TX, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Orchestra X Inc

    EIN 760520494 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  6. Orden Francmasonica Universal Inc

    EIN 462545794 · Headquarters: Houston, TX, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Order of St John of Jerusalem Commandery of Houston

    EIN 203428014 · Headquarters: HOUSTON, TX, USA · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  8. Order of the Alhambra Inc

    EIN 991415048 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Order of the Amaranth Inc

    EIN 760388372 · Headquarters: Houston, TX, US · Crime & Legal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  10. Order of the Eastern Star of Texas

    EIN 237523755 · Headquarters: Houston, TX, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  11. Order of the Founders & Patriots of America

    EIN 760292542 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Ordinary Towards Extraordinary Foundation Inc

    EIN 842193202 · Headquarters: Houston, TX, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Orfeo Music Festival

    EIN 273872504 · Headquarters: HOUSTON, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Organizacion Latina Trans in Texas

    EIN 474633481 · Headquarters: Houston, TX, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Organization for the Support and Advancement Residency Accreditation

    EIN 471267985 · Headquarters: HOUSTON, TX, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990

  16. Organization for the Support of Democratic Movement in Taiwan

    EIN 363347892 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Organization of Chinese Americans of Greater Houston

    EIN 521306678 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Organization of Muslim Gentlemen

    EIN 332814688 · Headquarters: HOUSTON, TX, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. Organization of Nigerians in East Texas Inc

    EIN 471908140 · Headquarters: Houston, TX, US · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  20. Organization of Racing Investigators

    EIN 550805157 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Organization of Women in Internatio Nal Trade-houston Inc

    EIN 760693328 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  22. Origins Learning Community

    EIN 833952220 · Headquarters: Houston, TX, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Orion Title 1 Community Developement

    EIN 364804243 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Orissa Culture Center

    EIN 263299269 · Headquarters: Houston, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Orisun

    EIN 465408247 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  26. Orisun Collective Inc

    EIN 813708137 · Headquarters: houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Orsu United

    EIN 542153853 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  28. Ortega Family Foundation

    EIN 882988468 · Headquarters: HOUSTON, TX, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  29. Orthodox Christian Leadership Initiative

    EIN 832005526 · Headquarters: Houston, TX, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Orthodox Christian Prison Ministry of Houston

    EIN 472071547 · Headquarters: HOUSTON, TX, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Oscar De La Rosa Foundation Inc

    EIN 270095681 · Headquarters: HOUSTON, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  32. OShea Family Foundation

    EIN 873479263 · Headquarters: Houston, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. Oshigin Ii Royal Foundation

    EIN 863091991 · Headquarters: HOUSTON, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  34. Oshman Foundation

    EIN 746039864 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  35. Osina Community USA Inc

    EIN 842523345 · Headquarters: HOUSTON, TX, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Ostomy Association of the Houston Area

    EIN 300336134 · Headquarters: Houston, TX, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Ot Foundation Inc

    EIN 934052206 · Headquarters: Houston, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Otree Open Source Research Foundation

    EIN 832696847 · Headquarters: HOUSTON, TX, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. Otter Island Foundation

    EIN 760421104 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  40. Otu Ifedinma Cultural Dance

    EIN 760541794 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Our Afrikan Family

    EIN 842790412 · Headquarters: HOUSTON, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Our Community Village

    EIN 823020190 · Headquarters: houston, TX, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  43. Our Foods Initiative

    EIN 833950754 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  44. Our Future Leaders Community Outreach 2

    EIN 922433379 · Headquarters: houston, TX, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. Our Garden

    EIN 393181518 · Headquarters: HOUSTON, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Our Global Village

    EIN 451449578 · Headquarters: Houston, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  47. Our House Foundation

    EIN 760656982 · Headquarters: Houston, TX, US · Mental Health & Crisis Intervention · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  48. Our Lady of Lourdes Troop 815

    EIN 464958412 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  49. Our Lady of the Great Event of the Purification Ro

    EIN 831124148 · Headquarters: Houston, TX, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  50. Our Lady of Walsingham Institutes of Catholic Culture Studies

    EIN 010726051 · Headquarters: Houston, TX, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  51. Our Lady Okeechobee Monastery Inc

    EIN 931430958 · Headquarters: HOUSTON, TX, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Our Lending Hands Corp

    EIN 384330501 · Headquarters: HOUSTON, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Our People Have Hope Foundation

    EIN 883350578 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Our People United

    EIN 815412679 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Our Pride Our Village

    EIN 834324635 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  56. Our Solution Center Global

    EIN 853972867 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Out at the Rodeo

    EIN 331377734 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Out for Education

    EIN 760596873 · Headquarters: Houston, TX, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Out of Love Foundation

    EIN 850662600 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Out of the Abyss Inc

    EIN 811825813 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Out of the Pew

    EIN 843843387 · Headquarters: HOUSTON, TX, USA · Public & Societal Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  62. Outer Circle Club

    EIN 453327211 · Headquarters: Houston, TX, US · Mental Health & Crisis Intervention · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  63. Outlaws Baseball of Houston

    EIN 992774529 · Headquarters: HOUSTON, TX, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Outlaws Riding Club-swtra

    EIN 371546231 · Headquarters: Houston, TX, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Outpost Estates Civic Club Incorporated

    EIN 760422802 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  66. Outpost Fellowship

    EIN 800312323 · Headquarters: Houston, TX, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. Outreach Center of West Houston

    EIN 760518235 · Headquarters: Houston, TX, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Outreach Helping Hands Ministries Inc

    EIN 851367098 · Headquarters: HOUSTON, TX, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Outreach In The Barrio

    EIN 833075859 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Outreach United

    EIN 272579237 · Headquarters: HOUSTON, TX, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Outrounds

    EIN 334515681 · Headquarters: Houston, TX, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Outsmart Foundation for Lgbtq News and Media

    EIN 991344982 · Headquarters: Houston, TX, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Outta Control Cookers

    EIN 833311398 · Headquarters: HOUSTON, TX, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  74. Outtexas Foundation

    EIN 274733114 · Headquarters: Houston, TX, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  75. Outzyde Noyze

    EIN 881949063 · Headquarters: HOUSTON, TX, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Ov3rwatch Foundation

    EIN 826410540 · Headquarters: Houston, TX, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Ovarcome Non-profit Inc

    EIN 454716979 · Headquarters: HOUSTON, TX, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Over the Moon

    EIN 301197604 · Headquarters: HOUSTON, TX, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Overcomers Community Development Corporation

    EIN 813411512 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Overcomers International Church

    EIN 471742630 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Overflow Foundation

    EIN 612237753 · Headquarters: Houston, TX, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Overflow Season Inc

    EIN 933387119 · Headquarters: Houston, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Overlooked and Undervalued Foundation

    EIN 881149164 · Headquarters: HOUSTON, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  84. Oversea Yin Xin Vihara Texas

    EIN 813739594 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. Overseas China Education Foundation

    EIN 760680540 · Headquarters: HOUSTON, TX, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. Overseas Korea Education Development and Aid Foundation

    EIN 208754510 · Headquarters: HOUSTON, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Overseas Sichuan Development Assoc

    EIN 760662643 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  88. Owerri Women Association Houston Texas

    EIN 870813070 · Headquarters: HOUSTON, TX, US · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  89. Own Your Peach Inc

    EIN 463613832 · Headquarters: HOUSTON, TX, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Owners Association of Spring Street Terrace

    EIN 611742360 · Headquarters: Houston, TX, US · Housing & Shelter · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  91. Owners Association of Young Ranch

    EIN 811130136 · Headquarters: HOUSTON, TX, USA · Housing & Shelter · Latest available filing year: 2021 · Primary form: IRS Form 990

  92. Owners in Honor

    EIN 934102941 · Headquarters: Houston, TX, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Owo Association of Houston

    EIN 923299725 · Headquarters: HOUSTON, TX, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Oxidant Engine

    EIN 844561273 · Headquarters: Houston, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  95. Ozee Hopebridge Foundation

    EIN 990678555 · Headquarters: Houston, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Ozubulu Connections Inc

    EIN 271865906 · Headquarters: HOUSTON, TX, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. P O W E R House of Houston Inc

    EIN 760655122 · Headquarters: Houston, TX, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. P23 Outreach Inc

    EIN 261777436 · Headquarters: Houston, TX, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  99. P4L Dba Lemonade Day

    EIN 204235269 · Headquarters: Houston, TX, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Paana Educational Foundation Inc

    EIN 471505718 · Headquarters: HOUSTON, TX, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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