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 Tau at Uga

    EIN 810771268 · Headquarters: Athens, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Theta Tau Chapter of Alpha Chi Omega Fraternity Inc

    EIN 833554084 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Theta Tau Corporation

    EIN 237006931 · Headquarters: BOISE, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Theta Tau Educational Foundation

    EIN 431774314 · Headquarters: Springfield, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Theta Tau Fraternity

    EIN 866053264 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Theta Tau Fraternity Purdue Phi Chapter

    EIN 383664072 · Headquarters: WEST LAFAYETTE, IN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  7. Theta Tau House Corporation of Alpha Phi International Fraternity

    EIN 471466864 · Headquarters: ITHACA, NY, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  8. Theta Tau Housing Corporation

    EIN 800845508 · Headquarters: BUDA, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Theta Theta Alumni Association of Kappa Kappa Psi

    EIN 991192184 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Theta Theta House Corporation of Kappa Delta Sorority

    EIN 811403649 · Headquarters: KINGSTON, RI, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  11. Theta Theta Housing Corporation

    EIN 900649116 · Headquarters: TAMPA, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Theta Theta of the Pi Kappa Phi Fraternity Housing Corporation

    EIN 263555332 · Headquarters: CEDAR FALLS, IA, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  13. Theta Upsilon Chapter of Alpha Chi Omega Fraternity Inc

    EIN 351711811 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Theta Upsilon Chapter of Alpha Phi International Fraternity Inc House Cor

    EIN 680355207 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Theta Upsilon House Corporation of Delta Delta Delta Fraternity

    EIN 237438731 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  16. Theta Waves Corporation

    EIN 881081513 · Headquarters: Dover, DE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. Theta Xi - Alpha Zeta Chapter

    EIN 951292110 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Theta Xi - Gamma Beta Alumni Associ Ation Inc

    EIN 422396909 · Headquarters: Maitland, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Theta Xi Alumni Association of General Motors Institute

    EIN 364652951 · Headquarters: Pontiac, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Theta Xi Association Inc

    EIN 720410898 · Headquarters: BATON ROUGE, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Theta Xi Association of Stevens Inc

    EIN 237017386 · Headquarters: HOBOKEN, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Theta Xi Foundation

    EIN 436049500 · Headquarters: ATLANTA, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Theta Xi Fraternity

    EIN 141345193 · Headquarters: TROY, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Theta Xi Fraternity

    EIN 223041337 · Headquarters: MONTCLAIR, NJ, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Theta Xi Fraternity

    EIN 237012290 · Headquarters: Coal Center, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. Theta Xi Fraternity

    EIN 237012291 · Headquarters: Slippery Rock, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Theta Xi Fraternity

    EIN 370667685 · Headquarters: Champaign, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  28. Theta Xi Fraternity

    EIN 376075227 · Headquarters: PEORIA, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Theta Xi Fraternity

    EIN 381557244 · Headquarters: Flint, MI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. Theta Xi Fraternity

    EIN 382963213 · Headquarters: Ann Arbor, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Theta Xi Fraternity

    EIN 430549670 · Headquarters: ATLANTA, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Theta Xi Fraternity

    EIN 430662652 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. Theta Xi Fraternity

    EIN 480447730 · Headquarters: MANHATTAN, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Theta Xi Fraternity

    EIN 566076425 · Headquarters: Hickory, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Theta Xi Fraternity

    EIN 726032701 · Headquarters: New Orleans, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Theta Xi Fraternity

    EIN 815258780 · Headquarters: WEST LIBERTY, WV, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  37. Theta Xi Fraternity

    EIN 833845189 · Headquarters: BERKELEY, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Theta Xi Fraternity

    EIN 843251072 · Headquarters: Kingston, RI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Theta Xi Fraternity

    EIN 951746601 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Theta Xi Fraternity (Delta Chapter Mit)

    EIN 042129483 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Theta Xi Fraternity 112 Mu Chapter

    EIN 420561005 · Headquarters: AMES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Theta Xi Fraternity 123 Omega Chapter

    EIN 916072969 · Headquarters: Pullman, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  43. Theta Xi Fraternity 149 Beta Alpha Chapter

    EIN 580619211 · Headquarters: ATLANTA, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Theta Xi Fraternity Alpha Beta Assn

    EIN 370667850 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  45. Theta Xi Fraternity Alpha Eta Chapter

    EIN 841362503 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Theta Xi Fraternity Alpha Lambda Chapter

    EIN 862830303 · Headquarters: TUSCALOOSA, AL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. Theta Xi Fraternity Alpha Omicron Chapter

    EIN 726034048 · Headquarters: LAFAYETTE, LA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Theta Xi Fraternity at the University of Arizona

    EIN 475185220 · Headquarters: TUCSON, AZ, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  49. Theta Xi Fraternity Chi Chapter

    EIN 311376631 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Theta Xi Fraternity Delta Alpha Chapter

    EIN 814227289 · Headquarters: TEMPE, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Theta Xi Fraternity Gamma Chi

    EIN 273390630 · Headquarters: SHIPPENSBURG, PA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  52. Theta Xi Fraternity Gamma Omega Chapter

    EIN 811340468 · Headquarters: GRAND JUNCTION, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  53. Theta Xi Fraternity Gamma Phi Chapter

    EIN 208866524 · Headquarters: STATESBORO, GA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  54. Theta Xi Fraternity Kappa Chapter

    EIN 350894100 · Headquarters: TERRE HAUTE, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Theta Xi Fraternity Kennesaw State Colony

    EIN 832262037 · Headquarters: KENNESAW, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Theta Xi Fraternity Theta Chapter

    EIN 813878963 · Headquarters: WEST LAFAYETTE, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  57. Theta Xi House Corporation of Delta Delta Delta

    EIN 956101235 · Headquarters: MANHATTAN BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Theta Xi-kappa Sigma Chapter Construction Fund

    EIN 300547021 · Headquarters: Flint, MI, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  59. Theta Zeta Alumni Association of Tau Beta Sigma

    EIN 331466033 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Theta Zeta Building Corporation

    EIN 736097798 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Theta Zeta House Corporation

    EIN 800404829 · Headquarters: Portales, NM, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Theta Zeta House Corporation C/o Rachel Allen

    EIN 746085214 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Theta Zeta of Kappa Sigma Fraternity

    EIN 856016444 · Headquarters: Portales, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Theta-xi Chapter of Kappa Sigma

    EIN 300644234 · Headquarters: GREENWOOD, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Theta-xi of Kappa Sigma Inc

    EIN 351181763 · Headquarters: GREENWOOD, IN, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  66. Thetcglobalway

    EIN 333528136 · Headquarters: WINSTON SALEM, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Thetford Hill Village Improvement Society

    EIN 030276415 · Headquarters: Thetford Center, VT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Thetford Historical Society

    EIN 036012814 · Headquarters: Thetford, VT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Thetford Library Federation Inc

    EIN 237187922 · Headquarters: THETFORD, VT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. Thetford Trails Team

    EIN 394749295 · Headquarters: EAST THETFORD, VT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  71. Thetigerclausecom Inc

    EIN 991016604 · Headquarters: ALLEN, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Thevillekycom Inc

    EIN 852733644 · Headquarters: Louisville, KY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. They Work for Us

    EIN 050634169 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  74. Thi Foundation Inc

    EIN 394913925 · Headquarters: Chantilly, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Thi-8 Inc

    EIN 363783910 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Thibodaux Amateur Radio Club Inc

    EIN 720834824 · Headquarters: GALLIANO, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Thibodaux Memorial Post #5097 (VFW)

    EIN 726033415 · Headquarters: Thibodaux, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Thibodaux Regional Medical Center Auxiliary

    EIN 720851759 · Headquarters: Thibodaux, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Thibodaux Rotary Club Inc

    EIN 721126738 · Headquarters: THIBODAUX, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Thibodaux Senior Citizens Center Inc

    EIN 720772377 · Headquarters: Thibodaux, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Thibodaux Volleyball Officials Association

    EIN 465729601 · Headquarters: Houma, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Thief River Falls Area Community Theater

    EIN 411263273 · Headquarters: THIEF RIVER FALLS, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Thief River Falls Athletic Association

    EIN 411367653 · Headquarters: Thief River Falls, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Thief River Falls Chamber of Commerce

    EIN 410643422 · Headquarters: Thief River Falls, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Thief River Falls Concert Association

    EIN 237297062 · Headquarters: Thief River Falls, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Thief River Falls Lioness

    EIN 862773595 · Headquarters: Saint Hilaire, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Thief River Trap Club

    EIN 237158621 · Headquarters: Thief River Falls, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Thien-sinh Hoi Zenobics Society

    EIN 760239666 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Thiensville Mequon Youth Baseball Assn

    EIN 391460296 · Headquarters: MEQUON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Thiensville-mequon Newcomers Club

    EIN 391412037 · Headquarters: Cedarburg, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Thiensville-mequon Rotary Foundation Inc

    EIN 391612508 · Headquarters: Mequon, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Thimble Collectors International

    EIN 020364133 · Headquarters: Berlin, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Thimbles N Thyme Homesteaders 4H Club

    EIN 861812049 · Headquarters: MOCKSVILLE, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Thin Line Project

    EIN 991671531 · Headquarters: Grand Island, NE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Thin Line Retreat

    EIN 394377227 · Headquarters: chesterfield, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Things from the Heart

    EIN 311362584 · Headquarters: CELINA, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  97. Things of We Incorporated

    EIN 463578410 · Headquarters: BRYN MAWR, PA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  98. Thingvalla Cemetery Association

    EIN 450377350 · Headquarters: Edinburg, ND, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Think Ability Inc

    EIN 731151612 · Headquarters: DUNCAN, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Think Again Mn

    EIN 363397938 · Headquarters: Minneapolis, MN, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

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