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. Alpha Chi Omega Fraternity Inc

    EIN 873656200 · Headquarters: The Villages, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Alpha Chi Omega Fraternity Inc

    EIN 876123283 · Headquarters: Indianpolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Alpha Chi Omega Fraternity Inc

    EIN 883115662 · Headquarters: Issaquah, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Alpha Chi Omega Fraternity Inc

    EIN 911913720 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Alpha Chi Omega Fraternity Inc

    EIN 916029471 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Alpha Chi Omega Fraternity Inc

    EIN 916036638 · Headquarters: SPOKANE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Alpha Chi Omega Fraternity Inc

    EIN 916055324 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Alpha Chi Omega Fraternity Inc

    EIN 931023386 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Alpha Chi Omega Fraternity Inc

    EIN 931130165 · Headquarters: Las Vegas, NV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Alpha Chi Omega Fraternity Inc

    EIN 931365247 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Alpha Chi Omega Fraternity Inc

    EIN 931947550 · Headquarters: Stockton, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Alpha Chi Omega Fraternity Inc

    EIN 933842705 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Alpha Chi Omega Fraternity Inc

    EIN 933918698 · Headquarters: Dunlap, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Alpha Chi Omega Fraternity Inc

    EIN 933962512 · Headquarters: Reno, NV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Alpha Chi Omega Fraternity Inc

    EIN 936030841 · Headquarters: Oregon City, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Alpha Chi Omega Fraternity Inc

    EIN 936031876 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Alpha Chi Omega Fraternity Inc

    EIN 942668943 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Alpha Chi Omega Fraternity Inc

    EIN 943143647 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Alpha Chi Omega Fraternity Inc

    EIN 946101654 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Alpha Chi Omega Fraternity Inc

    EIN 946101855 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Alpha Chi Omega Fraternity Inc

    EIN 946107842 · Headquarters: Novato, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Alpha Chi Omega Fraternity Inc

    EIN 956047160 · Headquarters: Seal Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Alpha Chi Omega Fraternity Inc

    EIN 956050467 · Headquarters: La Canada Flintridge, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Alpha Chi Omega Fraternity Inc

    EIN 956053616 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Alpha Chi Omega Fraternity Inc

    EIN 956098258 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Alpha Chi Omega Fraternity Inc

    EIN 956099139 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  27. Alpha Chi Omega Fraternity Inc

    EIN 956111545 · Headquarters: INDIANAPOLIS, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Alpha Chi Omega Fraternity Inc

    EIN 956228178 · Headquarters: Yorba Linda, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Alpha Chi Omega Fraternity Inc

    EIN 990651930 · Headquarters: North Augusta, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Alpha Chi Omega Fraternity Inc

    EIN 992829005 · Headquarters: indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Alpha Chi Omega Fraternity Inc

    EIN 994893208 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Alpha Chi Omega Fraternity Inc Lambda Omicron Chapter

    EIN 882112375 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Alpha Chi Omega Fraternity Inc Upsilon Chapter

    EIN 370666948 · Headquarters: DECATUR, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Alpha Chi Omega Fraternity Inc Zeta Xi Chapter

    EIN 510252653 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Alpha Chi Omega Fratyernity Inc

    EIN 994224377 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Alpha Chi Omega Home Inc

    EIN 356063491 · Headquarters: WEST LAFAYETTE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Alpha Chi Omega House Assc Pi Chapter

    EIN 946081019 · Headquarters: INDIANAPOLIS, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Alpha Chi Omega House Corp for Alpha Omicron Chapter

    EIN 316084176 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Alpha Chi Omega House Corp Gamma Sigma Uri

    EIN 056013447 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Alpha Chi Omega House Corp Upsilon Chapter C/o Taylor Lowery

    EIN 376035733 · Headquarters: PITTSBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  41. Alpha Chi Omega House Corporation

    EIN 350973401 · Headquarters: Indianapolis, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Alpha Chi Omega House Corporation

    EIN 436061869 · Headquarters: COLUMBIA, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Alpha Chi Omega House Corporation

    EIN 956125330 · Headquarters: SANTA BARBARA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Alpha Chi Omega House Corporation Caitlin Stutz

    EIN 956095289 · Headquarters: YORBA LINDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Alpha Chi Omega House Corporation for Alpha Eta Chapter

    EIN 237038744 · Headquarters: Alliance, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  46. Alpha Chi Omega House Corporation for Beta Epsilon Chapter

    EIN 386092633 · Headquarters: East Lansing, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Alpha Chi Omega House Corporation for Gamma Iota Chapter

    EIN 596142821 · Headquarters: GAINESVILLE, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Alpha Chi Omega House Corporation for Gamma Xi Chapter

    EIN 386095431 · Headquarters: KALAMAZOO, MI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  49. Alpha Chi Omega House Corporation for Phi Chapter

    EIN 486107595 · Headquarters: KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Alpha Chi Omega House Corporation for Sigma Chapter

    EIN 426081648 · Headquarters: IOWA CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. Alpha Chi Omega House Corporation Gamma Upsilon Chapter

    EIN 746065520 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Alpha Chi Omega Psi Chapter House Corporation

    EIN 237069626 · Headquarters: BROKEN ARROW, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Alpha Chi Omega Theta Corporation C/o Amy Cell Treasurer

    EIN 386073449 · Headquarters: ANN ARBOR, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Alpha Chi Rho Chi Chapter

    EIN 873755523 · Headquarters: Detroit, MI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  55. Alpha Chi Rho Fraternity

    EIN 141546837 · Headquarters: TROY, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Alpha Chi Rho Fraternity

    EIN 237163927 · Headquarters: Lititz, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Alpha Chi Rho Fraternity

    EIN 843151768 · Headquarters: Lambertville, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Alpha Chi Rho Fraternity

    EIN 843844963 · Headquarters: West Lafayette, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Alpha Chi Rho Fraternity Delta Sigma Phi Bldg Assn

    EIN 042398377 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Alpha Chi Rho Housing Corporation

    EIN 271480115 · Headquarters: NEPTUNE, NJ, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  61. Alpha Chi Sigma Educational Foundation

    EIN 356018436 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Alpha Chi Sigma Fraternity

    EIN 463480653 · Headquarters: Lorman, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Alpha Chi Sigma Fraternity

    EIN 822772572 · Headquarters: Lexington, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Alpha Chi Sigma Fraternity

    EIN 823878926 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Alpha Chi Sigma Fraternity

    EIN 844164554 · Headquarters: Irvine, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Alpha Chi Sigma Fraternity

    EIN 900888858 · Headquarters: Chester, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 166077296 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 166077297 · Headquarters: Syracuse, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 208337538 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 208337687 · Headquarters: Indiana, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 237087274 · Headquarters: Rapid City, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 237172524 · Headquarters: East Lansing, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 264592089 · Headquarters: Kingston, RI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 310943301 · Headquarters: Tallahassee, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 310972640 · Headquarters: Carbondale, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 311077970 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 311078118 · Headquarters: Atlanta, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 311078119 · Headquarters: Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 311226765 · Headquarters: Terre Haute, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 311226769 · Headquarters: Kirksville, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 320341287 · Headquarters: Farmville, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 320442251 · Headquarters: Statesboro, GA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  83. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 341402311 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 356071979 · Headquarters: West Lafayette, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 356071980 · Headquarters: Bloomington, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 370675265 · Headquarters: Urbana, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 381735260 · Headquarters: Ann Arbor, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 410120275 · Headquarters: Minneapolis, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 426102466 · Headquarters: Iowa City, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 436072486 · Headquarters: Rolla, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 436072487 · Headquarters: Columbia, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 474137679 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 474757873 · Headquarters: Gainesville, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 475038568 · Headquarters: Cape Girardeau, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 486124741 · Headquarters: manhattan, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 541039950 · Headquarters: Hampden Sydney, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 542074013 · Headquarters: Durham, NH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 546069350 · Headquarters: Charlottesville, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 546069351 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 550678043 · Headquarters: Huntington, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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