Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 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. Houston Baseball Associates

    EIN 871225892 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Houston Baseball Initiative

    EIN 991900377 · Headquarters: GREENSBORO, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Houston Beta Housing Association

    EIN 760494234 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Houston Bicycle Club Inc

    EIN 741917297 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Houston Blues Society Inc

    EIN 760399587 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Houston Bonsai Society Inc

    EIN 760511856 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  7. Houston Branch of the Intl Dyslexia Assoc Founded in Memory of Samuel

    EIN 742020852 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Houston Building Owners and Managers Association Inc

    EIN 740692837 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Houston Business & Estate Planning Council

    EIN 760042342 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Houston Business Coalition on Health

    EIN 760058682 · Headquarters: KATY, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Houston Calligraphy Guild

    EIN 742110737 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Houston Carribean-american Cultural Association

    EIN 270865484 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  13. Houston Cat Club Inc

    EIN 746063537 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Houston Cemetery Association

    EIN 521569632 · Headquarters: Freetown, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Houston Chamber of Commerce

    EIN 411465177 · Headquarters: HOUSTON, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Houston Chapter - Business Marketing Association

    EIN 760409272 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  17. Houston Chapter - Womens Transportation

    EIN 270062916 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Houston Chapter American Institute of Architects

    EIN 741469145 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Houston Chapter Associated General Contractors of America Inc

    EIN 740490820 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Houston Chapter Clark Atlanta University Alumni Association

    EIN 760593415 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  21. Houston Chapter Indoor Air Quality Association Inc

    EIN 813523758 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  22. Houston Chapter National Association of Blacks in Criminal

    EIN 473562705 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Houston Chapter of Credit Unions

    EIN 741916722 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Houston Chapter of International Association of Drilling Contractors

    EIN 760301706 · Headquarters: Conroe, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Houston Chapter of Sohn

    EIN 472961987 · Headquarters: Sugar Land, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Houston Chapter of Texas Society of Certified Public Accountants

    EIN 741335242 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Houston Chapter of the Alpha Delta Pi Mothers Club

    EIN 746052407 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  28. Houston Chapter of the Appraisal Institute

    EIN 760324660 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Houston Chapter of the Association of Legal Administrators Inc

    EIN 742162694 · Headquarters: HUMBLE, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Houston Charis Foundation

    EIN 471226585 · Headquarters: HUNTSVILLE, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Houston Chihuahua Club Inc

    EIN 760329487 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Houston Chinese Bonsai Society

    EIN 994412531 · Headquarters: Cypress, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Houston Chinese Photographic Society

    EIN 760422720 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Houston Christian Academy Inc

    EIN 821901272 · Headquarters: Centerville, GA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  35. Houston Christian Legal Society

    EIN 331149567 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Houston Christian University

    EIN 741400699 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Houston Citizen Chamber of Commerce DBA Greater Houston Black Chamber

    EIN 740694657 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. Houston Civic Arts Association Inc

    EIN 741671375 · Headquarters: Katy, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Houston Civic Symphony Orchestra Inc

    EIN 741618508 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Houston Civil War Round Table

    EIN 746060613 · Headquarters: La Porte, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Houston Classic Chevy Club Inc

    EIN 760305601 · Headquarters: Sugar Land, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Houston Cluw

    EIN 931762990 · Headquarters: houston, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Houston Community Association Inc

    EIN 346569049 · Headquarters: HOUSTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Houston Community Services

    EIN 237420367 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. Houston Concert Band

    EIN 741995116 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Houston Contractors Association

    EIN 741464495 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Houston Cougars Foundation Inc

    EIN 760489432 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Houston Country Club

    EIN 740693540 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  49. Houston Country Club Inc Houston Country Club Inc

    EIN 646011869 · Headquarters: HOUSTON, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Houston County Area Law Enforcement Association

    EIN 825261243 · Headquarters: RUSHFORD, MN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  51. Houston County Detachment 1433 Marine Corps League

    EIN 811781294 · Headquarters: CROCKETT, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Houston County Electric Cooperative

    EIN 751108699 · Headquarters: Crockett, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Houston County Fair & Youth Livestock Show Inc

    EIN 752048236 · Headquarters: Crockett, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Houston County Farm Bureau

    EIN 410740298 · Headquarters: CALEDONIA, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Houston County Farm Bureau

    EIN 620721047 · Headquarters: ERIN, TN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Houston County Farm Bureau

    EIN 751045878 · Headquarters: CROCKETT, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Houston County Farm Bureau Inc

    EIN 580801053 · Headquarters: PERRY, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Houston County Farmers Federation I

    EIN 636065603 · Headquarters: DOTHAN, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Houston County Habitat for Humanity Inc

    EIN 581934945 · Headquarters: Warner Robins, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Houston County High School Mat Boosters Inc

    EIN 881629016 · Headquarters: warner Robinns, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Houston County Medical Society Inc

    EIN 630763195 · Headquarters: DOTHAN, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Houston County Rural Letter Carriers Association

    EIN 384356315 · Headquarters: Knoxville, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Houston County School Nutrition Association

    EIN 994642323 · Headquarters: Perry, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Houston County Search and Rescue

    EIN 844436875 · Headquarters: CROCKETT, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Houston County Share Inc

    EIN 752050357 · Headquarters: CROCKETT, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Houston County Sheriffs Reserve Inc

    EIN 630902178 · Headquarters: Dothan, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Houston County Shrine Club C/o Al Menah Shriners

    EIN 621075043 · Headquarters: NASHVILE, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Houston County Visitors Center-museum Inc

    EIN 752485108 · Headquarters: Crockett, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Houston County Volunteer Fire Fighters Association

    EIN 631050588 · Headquarters: DOTHAN, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. Houston Crush Baseball

    EIN 812126875 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  71. Houston Crystal Clear Solutions

    EIN 843093246 · Headquarters: Bellaire, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  72. Houston Cultural Dance Community Inc

    EIN 332442154 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Houston Custom Brokers & Freight Forwarders Association Inc

    EIN 760071456 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. Houston Darts Assocation

    EIN 815428282 · Headquarters: BAYTOWN, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Houston Dermatological Society

    EIN 746060614 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Houston Early Music Inc

    EIN 237405228 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  77. Houston East End Chamber of Commerce

    EIN 760339238 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Houston Echo Society Inc

    EIN 237389066 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Houston Electrical League Inc

    EIN 741545916 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Houston Elks Lodge NO 151

    EIN 740508050 · Headquarters: Stafford, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Houston English Springer Spaniel Club

    EIN 273221764 · Headquarters: Cibolo, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Houston Esperanza

    EIN 760424554 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Houston Estate & Financial Forum

    EIN 742109037 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Houston Export Council

    EIN 760452090 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Houston Eye Associates Foundation

    EIN 760046317 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Houston Fairweather Inc

    EIN 760292299 · Headquarters: Bellaire, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Houston Faith Ministries

    EIN 815213862 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Houston Family Business Association

    EIN 931972866 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  89. Houston Federation of Teachers

    EIN 741959088 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Houston Figure Skating Club

    EIN 742028155 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Houston Food Bank

    EIN 742181456 · Headquarters: Houston, TX, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Houston for Tomorrow Inc

    EIN 842789285 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  93. Houston Forward Fund

    EIN 990707211 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Houston Full Gospel Church of God

    EIN 743253762 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Houston Galveston Institute Inc

    EIN 742044953 · Headquarters: RICHMOND, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Houston Gem and Mineral Society

    EIN 746060691 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Houston Genealogical Forum

    EIN 746064236 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Houston Geological Society

    EIN 746056576 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Houston Geological Society Foundation

    EIN 760138744 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  100. Houston Glbt Political Caucus Polit

    EIN 760288317 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

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