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. Iosh USA Chapter Northwest Priory Inc

    EIN 852940166 · Headquarters: MONTARA, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Iot Sandbox Corp

    EIN 332246293 · Headquarters: Stow, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Iota Alpha Lambda Chapter of Alpha Phi Alpha Fraternity Inc

    EIN 521128683 · Headquarters: Aberdeen, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Iota Alumni of Pi Kappa Phi Inc

    EIN 581648136 · Headquarters: TUSCALOOSA, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Iota Benefit Association

    EIN 476033634 · Headquarters: OMAHA, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  6. Iota Beta of Theta Chi Alumni Housing Corporation

    EIN 262087600 · Headquarters: SPRINGFIELD, MO, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  7. Iota Chapter

    EIN 800559412 · Headquarters: Nashville, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Iota Chapter of Alpha Chi Omega Fraternity Inc

    EIN 370663116 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Iota Chapter of Alpha Gamma Delta Fraternity House Association C/oshelton

    EIN 822027700 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Iota Chapter of Alpha Sigma Phi Housing Corporation

    EIN 150536982 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Iota Chapter Xi Psi Phi Fraternity Alumni Inc

    EIN 946138195 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  12. Iota Chi Alumni Association Inc

    EIN 822752666 · Headquarters: Bettendorf, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Iota Chi Chapter of Alpha Chi Omega Fraternity Inc

    EIN 621843736 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Iota Chi Zeta Chapter of Zeta Phi Beta Sorority Inc

    EIN 992142355 · Headquarters: Cambridge, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  15. Iota Court Preservation Association Inc

    EIN 363548648 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Iota Delta Alumni Network Llc

    EIN 933348812 · Headquarters: Charlotte, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Iota Delta of Pi Kappa Alpha Housing Corporation

    EIN 311254678 · Headquarters: Columbus, IN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  18. Iota Delta Sorority Incorporated

    EIN 872171263 · Headquarters: Upland, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  19. Iota Deuteron Chapter of the Alpha Epsilon Pi Fraternity

    EIN 932013677 · Headquarters: Tuscaloosa, AL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Iota Educational Foundation Bay Area Inc

    EIN 943139205 · Headquarters: Green Valley, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Iota Eta Housing Corporation

    EIN 300350075 · Headquarters: PALO ALTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  22. Iota Fund

    EIN 770371721 · Headquarters: SANTA CRUZ, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Iota Gamma Chapter Housing Corp

    EIN 470883741 · Headquarters: Minden, NE, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  24. Iota Gamma of Chi Omega Fraternity

    EIN 726034028 · Headquarters: SHREVEPORT, LA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  25. Iota Gamma Upsilon House Corp

    EIN 043188853 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Iota House Corp of Kappa Alpha Theta Inc

    EIN 161440379 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Iota House Corporation of Delta Delta Delta

    EIN 386068251 · Headquarters: ANN ARBOR, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Iota House of Kappa Kappa Gamma Inc

    EIN 350882925 · Headquarters: WESTFIELD, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Iota Iota Corporation

    EIN 631077483 · Headquarters: BIRMINGHAM, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Iota Iota Zeta Chapter

    EIN 991659073 · Headquarters: Statesboro, GA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Iota It Takes a Man Political Action Committee

    EIN 921229123 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Iota Kappa Alumni Inc

    EIN 934864055 · Headquarters: socttsdale, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Iota Kappa Phi

    EIN 800756745 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  34. Iota Lambda Chapter of Alpha Chi Omega Fraternity Inc

    EIN 742576362 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Iota Mu Alumni Association of Kappa Kappa Psi

    EIN 990969659 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Iota Mu Alumni Chapter Association

    EIN 863540061 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  37. Iota Nu Chapter of Alpha Chi Omega Fraternity

    EIN 943148157 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Iota Nu House Corporation of Sigma Nu Fraternity

    EIN 010363602 · Headquarters: GORHAM, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Iota Nu Kappa Multicultural Fraternity

    EIN 451143625 · Headquarters: Orono, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  40. Iota Nu Zeta House Corporation of Lambda Chi Alpha Fraternity

    EIN 237360536 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. Iota of Alpha Delta Pi Corporation

    EIN 590140510 · Headquarters: TALLAHASSEE, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Iota of Alpha Gamma Rho

    EIN 396088381 · Headquarters: SUN PRAIRIE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Iota of Phi Kappa Alumni Assn

    EIN 486117109 · Headquarters: CORNING, KS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Iota of South Carolina

    EIN 800630434 · Headquarters: Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Iota Omega Chapter of Alpha Chi Omega Fraternity Inc

    EIN 202271222 · Headquarters: INDIANAPOLIS, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Iota Omega Chapter of Theta Chi

    EIN 863481252 · Headquarters: Cortland, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  47. Iota Omicron Chapter of Alpha Chi Omega Fraternity Inc

    EIN 521811740 · Headquarters: INDIANAPOLIS, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Iota Pelatis Auxiliary of Iota Phi Lambda Soroity

    EIN 561651678 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  49. Iota Phi Chapter of Alpha Chi Omega Fraternity

    EIN 061478234 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Iota Phi Foundation of Pittsburgh Title Holding Company Inc

    EIN 251660389 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  51. Iota Phi Lambda Soroity Inc

    EIN 813963637 · Headquarters: Richmond, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Iota Phi Lambda Sorority

    EIN 413639891 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Iota Phi Lambda Sorority

    EIN 510194768 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Iota Phi Lambda Sorority

    EIN 831466780 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Iota Phi Lambda Sorority Eta Epsilon Chapter

    EIN 393032391 · Headquarters: Maricopa, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Iota Phi Lambda Sorority Inc

    EIN 232003568 · Headquarters: Fredericksburg, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Iota Phi Lambda Sorority Inc

    EIN 237382805 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Iota Phi Lambda Sorority Inc

    EIN 237382814 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Iota Phi Lambda Sorority Inc

    EIN 237382815 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Iota Phi Lambda Sorority Inc

    EIN 237382818 · Headquarters: Atlanta, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Iota Phi Lambda Sorority Inc

    EIN 237382820 · Headquarters: Tuskegee, AL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. Iota Phi Lambda Sorority Inc

    EIN 237382821 · Headquarters: Montgomery, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Iota Phi Lambda Sorority Inc

    EIN 237382828 · Headquarters: Columbus, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Iota Phi Lambda Sorority Inc

    EIN 237382829 · Headquarters: Miami Gardens, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Iota Phi Lambda Sorority Inc

    EIN 237382831 · Headquarters: North Chesterfield, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Iota Phi Lambda Sorority Inc

    EIN 237382832 · Headquarters: Hampton, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Iota Phi Lambda Sorority Inc

    EIN 237382835 · Headquarters: Mobile, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Iota Phi Lambda Sorority Inc

    EIN 237382836 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Iota Phi Lambda Sorority Inc

    EIN 237382837 · Headquarters: Selma, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Iota Phi Lambda Sorority Inc

    EIN 237382838 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Iota Phi Lambda Sorority Inc

    EIN 237382841 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  72. Iota Phi Lambda Sorority Inc

    EIN 237382842 · Headquarters: Shreveport, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Iota Phi Lambda Sorority Inc

    EIN 237382843 · Headquarters: Norfolk, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Iota Phi Lambda Sorority Inc

    EIN 237382847 · Headquarters: Friendswood, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Iota Phi Lambda Sorority Inc

    EIN 237382849 · Headquarters: Ordinary, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Iota Phi Lambda Sorority Inc

    EIN 237382858 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Iota Phi Lambda Sorority Inc

    EIN 237382859 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Iota Phi Lambda Sorority Inc

    EIN 237382861 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Iota Phi Lambda Sorority Inc

    EIN 237382862 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Iota Phi Lambda Sorority Inc

    EIN 237382869 · Headquarters: Durham, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Iota Phi Lambda Sorority Inc

    EIN 237382871 · Headquarters: DENVER, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  82. Iota Phi Lambda Sorority Inc

    EIN 237382874 · Headquarters: Cedar Hill, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Iota Phi Lambda Sorority Inc

    EIN 237382877 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Iota Phi Lambda Sorority Inc

    EIN 237382921 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Iota Phi Lambda Sorority Inc

    EIN 237382929 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Iota Phi Lambda Sorority Inc

    EIN 237390385 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Iota Phi Lambda Sorority Inc

    EIN 270324541 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Iota Phi Lambda Sorority Inc

    EIN 271286122 · Headquarters: Fort Worth, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Iota Phi Lambda Sorority Inc

    EIN 363163319 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Iota Phi Lambda Sorority Inc

    EIN 383226691 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Iota Phi Lambda Sorority Inc

    EIN 461761434 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Iota Phi Lambda Sorority Inc

    EIN 510165856 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Iota Phi Lambda Sorority Inc

    EIN 510165864 · Headquarters: Knoxville, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Iota Phi Lambda Sorority Inc

    EIN 510194417 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. Iota Phi Lambda Sorority Inc

    EIN 510194764 · Headquarters: Snellville, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Iota Phi Lambda Sorority Inc

    EIN 752495368 · Headquarters: Texarkana, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Iota Phi Lambda Sorority Inc

    EIN 770717706 · Headquarters: Orlando, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Iota Phi Lambda Sorority Inc

    EIN 811806074 · Headquarters: Humble, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Iota Phi Lambda Sorority Inc

    EIN 823553183 · Headquarters: Eastvale, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Iota Phi Lambda Sorority Inc

    EIN 824167145 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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