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. Theta Lambda Zeta Zeta Phi Beta

    EIN 510207399 · Headquarters: CHAMPAIGN, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Theta Mu CC

    EIN 331607565 · Headquarters: Seneca, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Theta Mu Colusa

    EIN 464470610 · Headquarters: COLUSA, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  4. Theta Mu Housing Corporation C/o Andrew Geraghty

    EIN 260697310 · Headquarters: WATERTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  5. Theta Nu Alumni Association of Tau Kappa Epsilon Fraternity

    EIN 881862831 · Headquarters: Mandeville, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Theta Nu Sigma National Sorori

    EIN 364644125 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Theta Nu Xi Multicultural Sorority Inc

    EIN 270134637 · Headquarters: Albuquerque, NM, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Theta Nu Xi Multicultural Sorority Inc

    EIN 562047177 · Headquarters: Norfolk, VA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  9. Theta Nu Xi Multicultural Sorority Inc Colorado Gap Colony

    EIN 464521698 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Theta Nu Xi Multicultural Sorority Inc the Most Passionate Pi Chapter

    EIN 542113692 · Headquarters: Norfolk, VA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  11. Theta of Gamma Phi Beta Sorority

    EIN 846036134 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Theta Omega Chapter of Alpha Chi Omega Fraternity Inc

    EIN 363650544 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Theta Omega Housing Corporation Inc

    EIN 830847012 · Headquarters: Arlington, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Theta Omicron of Pi Kappa Alpha Housing Corporatio

    EIN 311126212 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Theta Phi Alpha Foundation Inc

    EIN 363508444 · Headquarters: Bay Village, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Theta Phi Alpha Fraternity

    EIN 061380441 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  17. Theta Phi Alpha Fraternity

    EIN 112914027 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  18. Theta Phi Alpha Fraternity

    EIN 216000092 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  19. Theta Phi Alpha Fraternity

    EIN 222831215 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  20. Theta Phi Alpha Fraternity

    EIN 223115332 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  21. Theta Phi Alpha Fraternity

    EIN 223171781 · Headquarters: Stony Brook, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  22. Theta Phi Alpha Fraternity

    EIN 223237698 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  23. Theta Phi Alpha Fraternity

    EIN 223373914 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  24. Theta Phi Alpha Fraternity

    EIN 251408485 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  25. Theta Phi Alpha Fraternity

    EIN 251547605 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  26. Theta Phi Alpha Fraternity

    EIN 251627226 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  27. Theta Phi Alpha Fraternity

    EIN 260062137 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  28. Theta Phi Alpha Fraternity

    EIN 260062142 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  29. Theta Phi Alpha Fraternity

    EIN 260104421 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  30. Theta Phi Alpha Fraternity

    EIN 300525730 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  31. Theta Phi Alpha Fraternity

    EIN 311236841 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  32. Theta Phi Alpha Fraternity

    EIN 320276793 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  33. Theta Phi Alpha Fraternity

    EIN 320276794 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  34. Theta Phi Alpha Fraternity

    EIN 320292451 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  35. Theta Phi Alpha Fraternity

    EIN 331131842 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  36. Theta Phi Alpha Fraternity

    EIN 341468400 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  37. Theta Phi Alpha Fraternity

    EIN 346552876 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  38. Theta Phi Alpha Fraternity

    EIN 363896437 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  39. Theta Phi Alpha Fraternity

    EIN 364787125 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  40. Theta Phi Alpha Fraternity

    EIN 383932307 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  41. Theta Phi Alpha Fraternity

    EIN 390654386 · Headquarters: BAY VILLAGE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Theta Phi Alpha Fraternity

    EIN 470683227 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  43. Theta Phi Alpha Fraternity

    EIN 521928052 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  44. Theta Phi Alpha Fraternity

    EIN 562287818 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  45. Theta Phi Alpha Fraternity

    EIN 592620440 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  46. Theta Phi Alpha Fraternity

    EIN 710875523 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  47. Theta Phi Alpha Fraternity

    EIN 721024460 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  48. Theta Phi Alpha Fraternity

    EIN 770665438 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  49. Theta Phi Alpha Fraternity

    EIN 830482467 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  50. Theta Phi Alpha Fraternity

    EIN 830482469 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  51. Theta Phi Alpha Fraternity

    EIN 900227908 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  52. Theta Phi Alpha Fraternity

    EIN 911836976 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  53. Theta Phi Alpha Fraternity

    EIN 911969465 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  54. Theta Phi Alpha Fraternity

    EIN 912154979 · Headquarters: Bay Village, OH, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  55. Theta Phi Alpha Fraternity Akron Area Alumnae Association

    EIN 341482657 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Theta Phi Alpha Fraternity Appalachian Alumnae Association

    EIN 320441347 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  57. Theta Phi Alpha Fraternity Boston Area Alumnae Association

    EIN 450572400 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Theta Phi Alpha Fraternity Central Florida Area Alumnae Associ

    EIN 431984777 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Theta Phi Alpha Fraternity Chicago Area Alumnae Association

    EIN 363313300 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Theta Phi Alpha Fraternity Delta Epsilon Chapter

    EIN 371758454 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  61. Theta Phi Alpha Fraternity Delta Gamma Chapter

    EIN 371757488 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  62. Theta Phi Alpha Fraternity Flint Area Alumnae Association

    EIN 382510078 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Theta Phi Alpha Fraternity Greater Cincinnati Alumnae Chapter

    EIN 316055289 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Theta Phi Alpha Fraternity Greater Cleveland Alumnae Associati

    EIN 341452886 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Theta Phi Alpha Fraternity Greater Omaha Area Alumnae Associat

    EIN 331167496 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Theta Phi Alpha Fraternity Greater Tampa Area Alumnae Associat

    EIN 364786880 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Theta Phi Alpha Fraternity Kansas City Area Alumnae Associatio

    EIN 830488308 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Theta Phi Alpha Fraternity Long Island Alumnae Association

    EIN 384012024 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Theta Phi Alpha Fraternity Nation's Capital Alumnae Associatio

    EIN 371757116 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Theta Phi Alpha Fraternity New Orleans Alumnae Association

    EIN 721173498 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Theta Phi Alpha Fraternity New York City Alumnae Association

    EIN 331200483 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Theta Phi Alpha Fraternity Northeastern Nebraska Alumnae Assoc

    EIN 363826118 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Theta Phi Alpha Fraternity Northern & Central New York Alumnae

    EIN 320300619 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Theta Phi Alpha Fraternity Northern Indiana Illinois Alumnae A

    EIN 351816524 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Theta Phi Alpha Fraternity Northern Kentucky Alumnae Associati

    EIN 310053118 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Theta Phi Alpha Fraternity Northern New Jersey

    EIN 260057059 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Theta Phi Alpha Fraternity Northshore Louisiana Area Alumnae A

    EIN 721199892 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Theta Phi Alpha Fraternity Pennsylvania Laurel Highlands

    EIN 300753773 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  79. Theta Phi Alpha Fraternity Philadelphia Area

    EIN 260062144 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Theta Phi Alpha Fraternity Pittsburgh Area Alumnae Association

    EIN 260078823 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Theta Phi Alpha Fraternity South Bend Alumnae Association

    EIN 820921081 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Theta Phi Alpha Fraternity South Florida Alumnae Association

    EIN 582095536 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Theta Phi Alpha Fraternity South Texas Alumnae Association

    EIN 352458778 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  84. Theta Phi Alpha Fraternity Southern California Alumnae Assocat

    EIN 943158742 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Theta Phi Alpha Fraternity Southwestern Connecticut Alumnae

    EIN 820946017 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Theta Phi Alpha Fraternity St Cloud State University Colony

    EIN 364785607 · Headquarters: BAY VILLAGE, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  87. Theta Phi Alpha Subordinate Group Return

    EIN 901133896 · Headquarters: BAY VILLAGE, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  88. Theta Phi Sorority of Cortland Inc

    EIN 150468450 · Headquarters: Silver Lake, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Theta Pi Chapter House Corporation

    EIN 956096730 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  90. Theta Pi Chapter of Alpha Chi Omega Fraternity

    EIN 680180369 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Theta Psi Chapter of Alpha Chi Omega Fraternity Inc

    EIN 133548943 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Theta Rho Chapter of Theta Chi Fraternity Alumni Corporation

    EIN 991320159 · Headquarters: SULPHUR, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Theta Sigma Chapter of Alpha Chi Omega Fraternity Inc

    EIN 351698541 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Theta Sigma Corporation

    EIN 571039258 · Headquarters: Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Theta Sigma Housing Corp

    EIN 330193019 · Headquarters: Newport Beach, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Theta Sigma Lambda Inc

    EIN 943462275 · Headquarters: Englewood, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  97. Theta Tau

    EIN 851686656 · Headquarters: Springfield, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Theta Tau

    EIN 851746010 · Headquarters: Springfield, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Theta Tau Alumni of Phi Rho Sigma

    EIN 363308283 · Headquarters: MINNEAPOLIS, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Theta Tau Assn of Minn Inc

    EIN 416026901 · Headquarters: MINNEAPOLIS, MN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

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