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 Omicron Pi Fraternity Inc

    EIN 611117830 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  2. Alpha Omicron Pi Fraternity Inc

    EIN 611143736 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Alpha Omicron Pi Fraternity Inc

    EIN 611152003 · Headquarters: Lexington, KY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  4. Alpha Omicron Pi Fraternity Inc

    EIN 611315168 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. Alpha Omicron Pi Fraternity Inc

    EIN 611543766 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Alpha Omicron Pi Fraternity Inc

    EIN 611562818 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Alpha Omicron Pi Fraternity Inc

    EIN 611570560 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Alpha Omicron Pi Fraternity Inc

    EIN 611571941 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  9. Alpha Omicron Pi Fraternity Inc

    EIN 611593502 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Alpha Omicron Pi Fraternity Inc

    EIN 611593537 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Alpha Omicron Pi Fraternity Inc

    EIN 611618468 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Alpha Omicron Pi Fraternity Inc

    EIN 616034363 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Alpha Omicron Pi Fraternity Inc

    EIN 620950113 · Headquarters: BRENTWOOD, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Alpha Omicron Pi Fraternity Inc

    EIN 621766373 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Alpha Omicron Pi Fraternity Inc

    EIN 621799350 · Headquarters: Lebanon, TN, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  16. Alpha Omicron Pi Fraternity Inc

    EIN 621817904 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  17. Alpha Omicron Pi Fraternity Inc

    EIN 626046636 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  18. Alpha Omicron Pi Fraternity Inc

    EIN 626047967 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Alpha Omicron Pi Fraternity Inc

    EIN 626051668 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Alpha Omicron Pi Fraternity Inc

    EIN 630885066 · Headquarters: MILLBROOK, AL, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  21. Alpha Omicron Pi Fraternity Inc

    EIN 631023489 · Headquarters: Jacksonville, AL, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  22. Alpha Omicron Pi Fraternity Inc

    EIN 631052001 · Headquarters: Mobile, AL, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  23. Alpha Omicron Pi Fraternity Inc

    EIN 631075612 · Headquarters: Gardendale, AL, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  24. Alpha Omicron Pi Fraternity Inc

    EIN 631145420 · Headquarters: Birmingham, AL, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  25. Alpha Omicron Pi Fraternity Inc

    EIN 631154738 · Headquarters: Pelham, AL, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  26. Alpha Omicron Pi Fraternity Inc

    EIN 636050834 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Alpha Omicron Pi Fraternity Inc

    EIN 636056607 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  28. Alpha Omicron Pi Fraternity Inc

    EIN 650176027 · Headquarters: Tampa, FL, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  29. Alpha Omicron Pi Fraternity Inc

    EIN 650350928 · Headquarters: Winter Haven, FL, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  30. Alpha Omicron Pi Fraternity Inc

    EIN 651197451 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Alpha Omicron Pi Fraternity Inc

    EIN 680621496 · Headquarters: Aiken, SC, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  32. Alpha Omicron Pi Fraternity Inc

    EIN 716057354 · Headquarters: Jonesboro, AR, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  33. Alpha Omicron Pi Fraternity Inc

    EIN 716060721 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Alpha Omicron Pi Fraternity Inc

    EIN 716066577 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. Alpha Omicron Pi Fraternity Inc

    EIN 721337094 · Headquarters: Natchitoches, LA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  36. Alpha Omicron Pi Fraternity Inc

    EIN 726030381 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Alpha Omicron Pi Fraternity Inc

    EIN 731517555 · Headquarters: TAHLEQUAH, OK, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  38. Alpha Omicron Pi Fraternity Inc

    EIN 731529301 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  39. Alpha Omicron Pi Fraternity Inc

    EIN 736102887 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Alpha Omicron Pi Fraternity Inc

    EIN 746061792 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Alpha Omicron Pi Fraternity Inc

    EIN 746079549 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Alpha Omicron Pi Fraternity Inc

    EIN 751973652 · Headquarters: Allen, TX, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  43. Alpha Omicron Pi Fraternity Inc

    EIN 770289117 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  44. Alpha Omicron Pi Fraternity Inc

    EIN 800701327 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  45. Alpha Omicron Pi Fraternity Inc

    EIN 810105370 · Headquarters: Bozeman, MT, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  46. Alpha Omicron Pi Fraternity Inc

    EIN 813142570 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. Alpha Omicron Pi Fraternity Inc

    EIN 820409444 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  48. Alpha Omicron Pi Fraternity Inc

    EIN 826010819 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Alpha Omicron Pi Fraternity Inc

    EIN 830474525 · Headquarters: fontana, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  50. Alpha Omicron Pi Fraternity Inc

    EIN 830585277 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Alpha Omicron Pi Fraternity Inc

    EIN 832620593 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Alpha Omicron Pi Fraternity Inc

    EIN 846035092 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Alpha Omicron Pi Fraternity Inc

    EIN 850458453 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Alpha Omicron Pi Fraternity Inc

    EIN 860712496 · Headquarters: Glendale, AZ, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  55. Alpha Omicron Pi Fraternity Inc

    EIN 861065789 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Alpha Omicron Pi Fraternity Inc

    EIN 866051435 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Alpha Omicron Pi Fraternity Inc

    EIN 866052457 · Headquarters: Lexington, KY, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  58. Alpha Omicron Pi Fraternity Inc

    EIN 866053019 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Alpha Omicron Pi Fraternity Inc

    EIN 870685802 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  60. Alpha Omicron Pi Fraternity Inc

    EIN 911440036 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  61. Alpha Omicron Pi Fraternity Inc

    EIN 911618250 · Headquarters: Cheney, WA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  62. Alpha Omicron Pi Fraternity Inc

    EIN 911923722 · Headquarters: Louisville, KY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  63. Alpha Omicron Pi Fraternity Inc

    EIN 911923724 · Headquarters: Bethlehem, PA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  64. Alpha Omicron Pi Fraternity Inc

    EIN 911923726 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  65. Alpha Omicron Pi Fraternity Inc

    EIN 916055563 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Alpha Omicron Pi Fraternity Inc

    EIN 922265226 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Alpha Omicron Pi Fraternity Inc

    EIN 923880307 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Alpha Omicron Pi Fraternity Inc

    EIN 936031906 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Alpha Omicron Pi Fraternity Inc

    EIN 946101860 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Alpha Omicron Pi Fraternity Inc

    EIN 946132527 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Alpha Omicron Pi Fraternity Inc

    EIN 946132528 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Alpha Omicron Pi Fraternity Inc

    EIN 954326140 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Alpha Omicron Pi Fraternity Inc

    EIN 954716560 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Alpha Omicron Pi Fraternity Inc

    EIN 956092774 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Alpha Omicron Pi Fraternity Inc

    EIN 956097941 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Alpha Omicron Pi Fraternity Inc

    EIN 991304660 · Headquarters: Brentwood, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Alpha Omicron Pi Parents Club

    EIN 934449172 · Headquarters: Fayetteville, AR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Alpha Omicron Pi Properties Inc

    EIN 510426239 · Headquarters: BRENTWOOD, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Alpha Omicron Pr Fraternity Inc

    EIN 030603547 · Headquarters: Aiken, SC, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  80. Alpha Omicronuofl Kappaalpha Psi

    EIN 843668765 · Headquarters: Louisville, KY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  81. Alpha One Baseball

    EIN 921314874 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  82. Alpha Phi Alpha Arkansas District

    EIN 811952723 · Headquarters: Little Rock, AR, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  83. Alpha Phi Alpha Building Foundation

    EIN 237238558 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Alpha Phi Alpha Education Foundation Inc

    EIN 386107756 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Alpha Phi Alpha Faternity Inc

    EIN 300642306 · Headquarters: Waldorf, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  86. Alpha Phi Alpha Foundation of Akron

    EIN 341620911 · Headquarters: Akron, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. Alpha Phi Alpha Fraternity

    EIN 471972803 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  88. Alpha Phi Alpha Fraternity District of Illinois

    EIN 364126844 · Headquarters: Evanston, IL, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  89. Alpha Phi Alpha Fraternity Inc

    EIN 362105176 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Alpha Phi Alpha Fraternity Inc - Beta Delta Chapter

    EIN 873466119 · Headquarters: Orangeburg, SC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  91. Alpha Phi Alpha Fraternity Inc Iota Mu Lambda Chapter

    EIN 911298806 · Headquarters: Lakewood, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  92. Alpha Phi Alpha Kappa Iota Lambda

    EIN 832048629 · Headquarters: Willingboro, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Alpha Phi Alpha Senior Citizens Center Inc

    EIN 237436147 · Headquarters: Cambria Heights, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Alpha Phi Alpha- Iota Omicron Lambda Chapter Incorporated

    EIN 823619029 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Alpha Phi Association of Montana

    EIN 816012676 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Alpha Phi Bldg Corp of Phi Gamma Delta

    EIN 386068505 · Headquarters: LIVONIA, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Alpha Phi Building Association

    EIN 746066255 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Alpha Phi Building Corp Alpha Chi R C/o Dave Neyer

    EIN 351271778 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Alpha Phi Chapter Corporation of Bloomington

    EIN 356007513 · Headquarters: DENVER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Alpha Phi Chapter House Association

    EIN 391087798 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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