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. Pi Kappa Phi Fraternity Kappa Theta Chapter

    EIN 473740079 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Pi Kappa Phi Fraternity Lambda Chapter

    EIN 580574987 · Headquarters: ATHENS, GA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Pi Kappa Phi Fraternity Lambda Iota Chapter

    EIN 814293309 · Headquarters: BURLINGTON, VT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Pi Kappa Phi Fraternity Maine Assoc Chapter

    EIN 472024494 · Headquarters: ORONO, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. Pi Kappa Phi Fraternity Omicron Chapter

    EIN 630164600 · Headquarters: TUSCALOOSA, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Pi Kappa Phi Fraternity Pi Kappa Phi Kappa Omicron Chapter

    EIN 813843801 · Headquarters: STORRS, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  7. Pi Kappa Phi Fraternity Rho Chapter

    EIN 540340387 · Headquarters: LEXINGTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Pi Kappa Phi Fraternity the Ohio State University Alpha Nu

    EIN 421756960 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  9. Pi Kappa Phi Fraternity Theta Alpha Chapter

    EIN 911941165 · Headquarters: HATTIESBURG, MS, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  10. Pi Kappa Phi Fraternity Theta Chapter

    EIN 274109568 · Headquarters: CINCINATTI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Pi Kappa Phi Fraternity Theta Lambda

    EIN 900399732 · Headquarters: SPRINGFIELD, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Pi Kappa Phi Fraternity Theta Omicron

    EIN 202631487 · Headquarters: RENO, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Pi Kappa Phi Fraternity Theta Phi

    EIN 412273851 · Headquarters: RUSTON, LA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  14. Pi Kappa Phi Fraternity Theta Psi Chapter

    EIN 320281904 · Headquarters: ROCHESTER, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Pi Kappa Phi Fraternity Theta Tau Chapter

    EIN 881807833 · Headquarters: HIGH POINT, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Pi Kappa Phi Fraternity Theta Theta Chapter

    EIN 113657056 · Headquarters: IOWA CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  17. Pi Kappa Phi Fraternity Theta Upsilon

    EIN 262020155 · Headquarters: FLAGSTAFF, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Pi Kappa Phi Fraternity Theta Xi

    EIN 204428075 · Headquarters: TEMPE, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. Pi Kappa Phi Fraternity Uc Riverside Pi Kappa Phi

    EIN 333110108 · Headquarters: RIVERSIDE, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Pi Kappa Phi Fraternity University of Utah Kappa Omega Chap

    EIN 881824594 · Headquarters: CHARLOTTE, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Pi Kappa Phi Fraternity Zeta Alpha Chapter

    EIN 465355993 · Headquarters: CLEMSON, SC, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  22. Pi Kappa Phi Fraternity Zeta Beta Chapter

    EIN 832973388 · Headquarters: LO JOLLA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Pi Kappa Phi Fraternity Zeta Chi Chapter

    EIN 232642674 · Headquarters: READING, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Pi Kappa Phi Fraternity-beta Omicron Chapter

    EIN 721442280 · Headquarters: NATCHITOCHES, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Pi Kappa Phi Fraterntiy

    EIN 473800989 · Headquarters: Albuquerque, NM, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  26. Pi Kappa Phi House Corporation

    EIN 342029721 · Headquarters: ORLANDO, FL, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  27. Pi Kappa Phi Properties Inc

    EIN 596216310 · Headquarters: CHARLOTTE, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Pi Kappa Phi SUNY Geneseo Associate Chapter

    EIN 364806381 · Headquarters: Geneseo, NY, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  29. Pi Lambda Chapter of Kappa Alpha Psi

    EIN 271090386 · Headquarters: Little Rock, AR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Pi Lambda Phi Alumni - Esu

    EIN 920302758 · Headquarters: GARDEN CITY, NY, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  31. Pi Lambda Phi Fraternity

    EIN 042721968 · Headquarters: Malden, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Pi Lambda Phi Fraternity

    EIN 113124249 · Headquarters: Plainview, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  33. Pi Lambda Phi Fraternity

    EIN 237063100 · Headquarters: Charlottesville, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Pi Lambda Phi Fraternity

    EIN 346576163 · Headquarters: Berea, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  35. Pi Lambda Phi Fraternity

    EIN 391523090 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Pi Lambda Phi Fraternity

    EIN 464524294 · Headquarters: Newport News, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Pi Lambda Phi Fraternity

    EIN 465640292 · Headquarters: Frostburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Pi Lambda Phi Fraternity

    EIN 472424769 · Headquarters: Bloomington, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Pi Lambda Phi Fraternity

    EIN 473830674 · Headquarters: Pleasantville, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Pi Lambda Phi Fraternity

    EIN 562012818 · Headquarters: Chapel Hill, NC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  41. Pi Lambda Phi Fraternity

    EIN 593088048 · Headquarters: Melbourne, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Pi Lambda Phi Fraternity

    EIN 911840226 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  43. Pi Lambda Phi Fraternity

    EIN 941166303 · Headquarters: BERKELEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Pi Lambda Phi Fraternity - Nj Alpha Lambda

    EIN 475498653 · Headquarters: NEW BRUNSWICK, NJ, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  45. Pi Lambda Phi Fraternity 056 Chapter New York Kappa Tau

    EIN 146036431 · Headquarters: Troy, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Pi Lambda Phi Fraternity Ca Alpha Upsilon Chapter

    EIN 811811010 · Headquarters: Merced, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  47. Pi Lambda Phi Fraternity Inc

    EIN 131168250 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Pi Lambda Phi Fraternity Ny Alpha Pi

    EIN 473017360 · Headquarters: Stony Brook, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  49. Pi Lambda Phi NC Delta Zeta Chapter

    EIN 831518154 · Headquarters: Greenville, NC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  50. Pi Lambda Phi- in Epsilon Iota

    EIN 821469934 · Headquarters: West Lafayette, IN, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  51. Pi Lambda Phi- Oh Mu

    EIN 851282096 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  52. Pi Lambda Phi-Pa Delta Iota Chapter

    EIN 814518873 · Headquarters: Philadelphia, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Pi Lota Chi Sorority

    EIN 205230842 · Headquarters: Wichita, KS, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  54. Pi Mu Chapter of Kappa Alpha Psi Fraternity Inc

    EIN 383968727 · Headquarters: Davidson, NC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. Pi Mu Epsilon

    EIN 316049357 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Pi Mu Epsilon

    EIN 900148901 · Headquarters: TOLEDO, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Pi Mu Epsilon

    EIN 900540371 · Headquarters: GREENSBURG, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Pi Mu Epsilon

    EIN 900540374 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Pi Mu Epsilon Fraternity

    EIN 455407067 · Headquarters: GETTYSBURG, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Pi Mu Epsilon Fraternity

    EIN 460613690 · Headquarters: BIG RAPIDS, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Pi Mu Epsilon Fraternity

    EIN 460729156 · Headquarters: ERIE, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Pi Mu Epsilon Fraternity

    EIN 461317959 · Headquarters: SAN ANTONIO, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Pi Mu Epsilon Fraternity

    EIN 461840136 · Headquarters: SCHENECTADY, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Pi Mu Epsilon Fraternity

    EIN 461852169 · Headquarters: NEW HAVEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Pi Mu Epsilon Fraternity

    EIN 461867521 · Headquarters: WESTFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Pi Mu Epsilon Fraternity

    EIN 462075493 · Headquarters: SPRINGFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Pi Mu Epsilon Fraternity

    EIN 462272683 · Headquarters: HUNTINGDON, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Pi Mu Epsilon Fraternity

    EIN 462368471 · Headquarters: SPARTANBURG, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Pi Mu Epsilon Fraternity

    EIN 462378804 · Headquarters: NORTHFIELD, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Pi Mu Epsilon Fraternity

    EIN 462401373 · Headquarters: SIOUX FALLS, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Pi Mu Epsilon Fraternity

    EIN 462484695 · Headquarters: NASHVILLE, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Pi Mu Epsilon Fraternity

    EIN 462630472 · Headquarters: ANNVILLE, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Pi Mu Epsilon Fraternity

    EIN 462640765 · Headquarters: NEWPORT, RI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Pi Mu Epsilon Fraternity

    EIN 462710422 · Headquarters: NORTH ANDOVER, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Pi Mu Epsilon Fraternity

    EIN 463994076 · Headquarters: JUNEAU, AK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Pi Mu Epsilon Fraternity

    EIN 464158840 · Headquarters: SOUTH BEND, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Pi Mu Epsilon Fraternity

    EIN 464653348 · Headquarters: UTICA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Pi Mu Epsilon Fraternity

    EIN 464806171 · Headquarters: IRVINE, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Pi Mu Epsilon Fraternity

    EIN 465381033 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Pi Mu Epsilon Fraternity

    EIN 465388317 · Headquarters: SALEM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Pi Mu Epsilon Fraternity

    EIN 465682945 · Headquarters: GALLOWAY, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Pi Mu Epsilon Fraternity

    EIN 472147016 · Headquarters: NEWBERRY, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Pi Mu Epsilon Fraternity

    EIN 813866395 · Headquarters: REDLANDS, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Pi Mu Epsilon Fraternity

    EIN 813885043 · Headquarters: MACON, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Pi Mu Epsilon Fraternity

    EIN 813894806 · Headquarters: MOSCOW, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Pi Mu Epsilon Fraternity

    EIN 813915890 · Headquarters: CHESTERTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Pi Mu Epsilon Fraternity

    EIN 813925734 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Pi Mu Epsilon Fraternity

    EIN 813967889 · Headquarters: TACOMA, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Pi Mu Epsilon Fraternity

    EIN 813982557 · Headquarters: RIPON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Pi Mu Epsilon Fraternity

    EIN 814085935 · Headquarters: MARIETTA, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Pi Mu Epsilon Fraternity

    EIN 815131554 · Headquarters: TYLER, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Pi Mu Epsilon Fraternity

    EIN 815221457 · Headquarters: ONEONTA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Pi Mu Epsilon Fraternity

    EIN 820754467 · Headquarters: WOOSTER, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Pi Mu Epsilon Fraternity

    EIN 821237695 · Headquarters: LATROBE, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Pi Mu Epsilon Fraternity

    EIN 824510688 · Headquarters: SPRINGFIELD, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Pi Mu Epsilon Fraternity

    EIN 824642409 · Headquarters: BOULDER, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Pi Mu Epsilon Fraternity

    EIN 900294875 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Pi Mu Epsilon Fraternity

    EIN 900647399 · Headquarters: ELMIRA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Pi Mu Epsilon Inc

    EIN 016023331 · Headquarters: DURHAM, NH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Pi Mu Epsilon Inc

    EIN 026012546 · Headquarters: STORRS, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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