Unknown & Unclassified nonprofits in Texas

Unknown & Unclassified nonprofits in Texas. Browse 39,901 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. One-five-o Water Supply Corporation

    EIN 741728971 · Headquarters: Coldspring, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. One-isac Inc

    EIN 465534726 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. ONE377

    EIN 465727734 · Headquarters: KILLEEN, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  4. Oneand2 Ministries Inc

    EIN 274195907 · Headquarters: Argyle, TX, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  5. OneCity Church FC

    EIN 862591594 · Headquarters: Bonham, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  6. Onikoyi Descendants of United States of America

    EIN 852581191 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Onion Creek American Legion Post 326

    EIN 742520809 · Headquarters: Manchaca, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  8. Onion Creek Park Neighborhoods Alliance

    EIN 464512356 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  9. Onion Creek Senior Center

    EIN 742370690 · Headquarters: Buda, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Opal G Cox Charitable Trust

    EIN 746307500 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  11. Opal J Smith Food Pantry

    EIN 474060046 · Headquarters: BALCH SPRINGS, TX, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  12. Opal&reecie Jones Trust Foundation First Financial Trust & Asset Mgmt

    EIN 756361079 · Headquarters: STEPHENVILLE, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  13. Open Air Ministries

    EIN 900693451 · Headquarters: Mesquite, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Open Arms Community of El Paso

    EIN 742220069 · Headquarters: EL PASO, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Open Austin Chapter

    EIN 881540549 · Headquarters: Austin, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Open Door Enterprises

    EIN 760269291 · Headquarters: VAN VLECK, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Openland Credit Union

    EIN 741321144 · Headquarters: Dallas, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Operation 220

    EIN 752456159 · Headquarters: Plano, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  19. Operation Airdrop Inc

    EIN 822886264 · Headquarters: Decatur, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Operation Blessing of Johnson Co Inc

    EIN 751862484 · Headquarters: CLEBURNE, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. Operation Blue Santa

    EIN 742356049 · Headquarters: ROUND ROCK, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Operation Remembrance Inc

    EIN 611488463 · Headquarters: El Paso, TX, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  23. Operation Santa Swims Inc

    EIN 852068335 · Headquarters: Cleburne, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Operation Uplift Inc

    EIN 273775562 · Headquarters: Carthage, TX, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  25. Operation We Rise to Equip the Youth

    EIN 934526370 · Headquarters: Killeen, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Operation Works of Mercy

    EIN 863776600 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Operative Plasterers and Cement Masons Local 783

    EIN 740816534 · Headquarters: PASADENA, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Ophthalmic Anesthesia Society

    EIN 330302986 · Headquarters: AUSTIN, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Oplin Volunteer Fire Department

    EIN 752714229 · Headquarters: Clyde, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Opper Frederick C Fam Fd Tr Uw

    EIN 066031047 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. Opportunities Inc

    EIN 751286505 · Headquarters: BORGER, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Opportunity Catchers Inc

    EIN 832779523 · Headquarters: AUBREY, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Opportunity School

    EIN 751360968 · Headquarters: Amarillo, Texas, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Opportunity Sports

    EIN 271930450 · Headquarters: AUSTIN, TX, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  35. Opt for Action

    EIN 852784506 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  36. Opti-mrs Club of Ft Worth

    EIN 450482212 · Headquarters: FORT WORTH, TX, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  37. Optimist Club Foundation of Baytown

    EIN 760190638 · Headquarters: BAYTOWN, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  38. Optimist Club Memorial Trust Fund

    EIN 751684230 · Headquarters: WICHITA FALLS, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Optimist Club of Arlington TX

    EIN 756036775 · Headquarters: Arlington, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  40. Optimist Club of Bandera

    EIN 320672678 · Headquarters: Bandera, TX, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  41. Optimist Club of Baytown

    EIN 746062569 · Headquarters: BAYTOWN, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  42. Optimist Club of Fort Worth

    EIN 750275625 · Headquarters: FORT WORTH, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Optimist Club of Fredericksburg

    EIN 742275436 · Headquarters: FREDERICKSBURG, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  44. Optimist Club of Lubbock

    EIN 756036539 · Headquarters: LUBBOCK, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  45. Optimist Club of Wichita Falls

    EIN 756036287 · Headquarters: WICHITA FALLS, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Optimist Int'l 06234 Round Rock - Town & Country

    EIN 237424614 · Headquarters: Austin, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  47. Optimist International

    EIN 010676248 · Headquarters: PFLUGERVILLE, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Optimist International

    EIN 237010621 · Headquarters: Pecos, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Optimist International

    EIN 237010631 · Headquarters: Laredo, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Optimist International

    EIN 237017489 · Headquarters: Spring, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Optimist International

    EIN 237023833 · Headquarters: El Paso, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Optimist International

    EIN 237081391 · Headquarters: Nederland, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Optimist International

    EIN 237113349 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Optimist International

    EIN 237259014 · Headquarters: HILLSBORO, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  55. Optimist International

    EIN 237273022 · Headquarters: IOWA PARK, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Optimist International

    EIN 364120145 · Headquarters: Grand Prairie, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Optimist International

    EIN 475314492 · Headquarters: Stafford, TX, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  58. Optimist International

    EIN 510192510 · Headquarters: Fort Worth, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  59. Optimist International

    EIN 740879460 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Optimist International

    EIN 741007757 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Optimist International

    EIN 741478516 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Optimist International

    EIN 741535670 · Headquarters: WILLIS, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Optimist International

    EIN 746047100 · Headquarters: Bellaire, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Optimist International

    EIN 746056508 · Headquarters: El Paso, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Optimist International

    EIN 746062058 · Headquarters: waco, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Optimist International

    EIN 746062399 · Headquarters: Port Neches, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Optimist International

    EIN 746062459 · Headquarters: Canutillo, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Optimist International

    EIN 746062460 · Headquarters: EL PASO, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  69. Optimist International

    EIN 746062603 · Headquarters: GLEN ROSE, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Optimist International

    EIN 746063554 · Headquarters: Galveston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Optimist International

    EIN 746064183 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Optimist International

    EIN 746067276 · Headquarters: EL PASO, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Optimist International

    EIN 746072868 · Headquarters: Galveston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Optimist International

    EIN 746073956 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Optimist International

    EIN 746073976 · Headquarters: El Paso, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Optimist International

    EIN 746077231 · Headquarters: AUSTIN, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  77. Optimist International

    EIN 746077976 · Headquarters: NEW BRAUNFELS, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Optimist International

    EIN 746079609 · Headquarters: Manchaca, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Optimist International

    EIN 750783590 · Headquarters: Denton, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Optimist International

    EIN 751093144 · Headquarters: FORT WORTH, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  81. Optimist International

    EIN 751181876 · Headquarters: Marshall, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  82. Optimist International

    EIN 751705306 · Headquarters: AMARILLO, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  83. Optimist International

    EIN 756036378 · Headquarters: Garland, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. Optimist International

    EIN 756037140 · Headquarters: Mount Pleasant, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  85. Optimist International

    EIN 756044531 · Headquarters: Grand Prairie, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Optimist International

    EIN 756048640 · Headquarters: FORT WORTH, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Optimist International

    EIN 756048663 · Headquarters: ODESSA, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  88. Optimist International

    EIN 760356888 · Headquarters: Huntsville, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. Optimist International

    EIN 821543794 · Headquarters: LEAGUE CITY, TX, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  90. Optimist International

    EIN 832257117 · Headquarters: Aledo, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  91. Optimist International

    EIN 883511851 · Headquarters: schertz, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Optimist International

    EIN 900192585 · Headquarters: Wichita Falls, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Optimist International

    EIN 900661574 · Headquarters: DICKINSON, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. Optimist International

    EIN 921563022 · Headquarters: Lubbock, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Optimist International 06000 Opti Club of Alamo He

    EIN 746062049 · Headquarters: SAN ANTONIO, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Optimist International 38006 Arlington Comnty Athletics Tx

    EIN 752303749 · Headquarters: ARLINGTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Optimist International 38075 Optimist Club of Paris-bft Tx

    EIN 756079283 · Headquarters: PARIS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Optimist International 38187 Optimist Club of Granbury Tx

    EIN 751320238 · Headquarters: GRANBURY, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Optimist International 38345 Optimist Club of Pampa Tx

    EIN 756034970 · Headquarters: PAMPA, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Optimist International Club of Winnie-Stowell Noon

    EIN 760298075 · Headquarters: Winnie, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

First page and all pages