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. Delta Sigma Delta Fraternity

    EIN 486132899 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Delta Sigma Delta Fraternity

    EIN 510215075 · Headquarters: Lakewood, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Delta Sigma Delta Fraternity

    EIN 521588477 · Headquarters: Alhambra, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Delta Sigma Delta Fraternity

    EIN 546070396 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Delta Sigma Delta Fraternity

    EIN 546070397 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Delta Sigma Delta Fraternity

    EIN 556035754 · Headquarters: Morgantown, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Delta Sigma Delta Fraternity

    EIN 556035755 · Headquarters: Morgantown, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Delta Sigma Delta Fraternity

    EIN 566062594 · Headquarters: Chapel Hill, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Delta Sigma Delta Fraternity

    EIN 566093166 · Headquarters: Kannapolis, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Delta Sigma Delta Fraternity

    EIN 586067586 · Headquarters: Stone Mountain, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Delta Sigma Delta Fraternity

    EIN 611720179 · Headquarters: Lockport, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Delta Sigma Delta Fraternity

    EIN 611744183 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Delta Sigma Delta Fraternity

    EIN 611766628 · Headquarters: Presque Isle, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Delta Sigma Delta Fraternity

    EIN 726035500 · Headquarters: Metairie, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Delta Sigma Delta Fraternity

    EIN 726035512 · Headquarters: Metairie, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Delta Sigma Delta Fraternity

    EIN 746087417 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Delta Sigma Delta Fraternity

    EIN 746087420 · Headquarters: Portland, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Delta Sigma Delta Fraternity

    EIN 756063718 · Headquarters: Harlingen, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Delta Sigma Delta Fraternity

    EIN 800132160 · Headquarters: Nekoosa, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Delta Sigma Delta Fraternity

    EIN 846050653 · Headquarters: Highlands Ranch, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Delta Sigma Delta Fraternity

    EIN 866031146 · Headquarters: Nekoosa, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  22. Delta Sigma Delta Fraternity

    EIN 900382789 · Headquarters: Lexington, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Delta Sigma Delta Fraternity

    EIN 900448515 · Headquarters: Baton Rouge, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Delta Sigma Delta Fraternity

    EIN 916055335 · Headquarters: Nekoosa, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  25. Delta Sigma Delta Fraternity

    EIN 916073312 · Headquarters: Shoreline, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Delta Sigma Delta Fraternity

    EIN 930153848 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Delta Sigma Delta Fraternity

    EIN 936042668 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Delta Sigma Delta Fraternity

    EIN 996011104 · Headquarters: Honolulu, HI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Delta Sigma Delta House Corp

    EIN 314379852 · Headquarters: Hilliard, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Delta Sigma Foundation

    EIN 452561735 · Headquarters: Salt Lake City, UT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  31. Delta Sigma House Corporation

    EIN 626042374 · Headquarters: KNOXVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Delta Sigma Phi

    EIN 452844095 · Headquarters: PHOENIX, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Delta Sigma Phi

    EIN 842405513 · Headquarters: Towson, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. Delta Sigma Phi - Alpha Nu Chapter

    EIN 813699627 · Headquarters: Atlanta, GA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  35. Delta Sigma Phi - Beta Gamma Chapter

    EIN 950677010 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Delta Sigma Phi - Lambda Chapter

    EIN 612088287 · Headquarters: Dallas, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  37. Delta Sigma Phi - University of South Carolina Chapter

    EIN 331970466 · Headquarters: Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Delta Sigma Phi Alumni Corporation Board of Rome Georgia

    EIN 202522537 · Headquarters: Rome, GA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  39. Delta Sigma Phi Beta Iota

    EIN 461000530 · Headquarters: Springfield, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Delta Sigma Phi Beta Tau Alumni Control Board

    EIN 320603451 · Headquarters: LIVONIA, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Delta Sigma Phi Fraternity

    EIN 475604278 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  42. Delta Sigma Phi Fraternity

    EIN 840405009 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Delta Sigma Phi Fraternity Alpha Pi Chapter

    EIN 382723777 · Headquarters: EAST LANSING, MI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  44. Delta Sigma Phi Fraternity Beta Pi Chapter

    EIN 381328524 · Headquarters: HOUGHTON, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Delta Sigma Phi Fraternity Gamma Xi Chapter

    EIN 756038608 · Headquarters: DENTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Delta Sigma Phi Fraternity Inc

    EIN 061578509 · Headquarters: NEW YORK, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  47. Delta Sigma Phi Fraternity Inc

    EIN 205575276 · Headquarters: Allentown, PA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  48. Delta Sigma Phi Fraternity Inc

    EIN 231581725 · Headquarters: Swarthmore, PA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  49. Delta Sigma Phi Fraternity Inc

    EIN 233089199 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. Delta Sigma Phi Fraternity Inc

    EIN 237047004 · Headquarters: Lexington, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Delta Sigma Phi Fraternity Inc

    EIN 264206645 · Headquarters: Erie, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Delta Sigma Phi Fraternity Inc

    EIN 320299730 · Headquarters: Buirien, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Delta Sigma Phi Fraternity Inc

    EIN 331524568 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Delta Sigma Phi Fraternity Inc

    EIN 340894080 · Headquarters: STRONGSVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Delta Sigma Phi Fraternity Inc

    EIN 352841780 · Headquarters: Clayton, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Delta Sigma Phi Fraternity Inc

    EIN 364643648 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Delta Sigma Phi Fraternity Inc

    EIN 364711546 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Delta Sigma Phi Fraternity Inc

    EIN 381364558 · Headquarters: GROSSE POINTE WOODS, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Delta Sigma Phi Fraternity Inc

    EIN 382939614 · Headquarters: ZEELAND, MI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  60. Delta Sigma Phi Fraternity Inc

    EIN 452136826 · Headquarters: ROME, GA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  61. Delta Sigma Phi Fraternity Inc

    EIN 452308433 · Headquarters: DELAND, FL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  62. Delta Sigma Phi Fraternity Inc

    EIN 452898283 · Headquarters: HARRISONBURG, VA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  63. Delta Sigma Phi Fraternity Inc

    EIN 452981076 · Headquarters: Salt Lake City, UT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Delta Sigma Phi Fraternity Inc

    EIN 454902992 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  65. Delta Sigma Phi Fraternity Inc

    EIN 455060462 · Headquarters: Wilmington, NC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  66. Delta Sigma Phi Fraternity Inc

    EIN 461288089 · Headquarters: Boone, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Delta Sigma Phi Fraternity Inc

    EIN 461880414 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Delta Sigma Phi Fraternity Inc

    EIN 463360416 · Headquarters: YPSILANTI, MI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  69. Delta Sigma Phi Fraternity Inc

    EIN 464963297 · Headquarters: AMES, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  70. Delta Sigma Phi Fraternity Inc

    EIN 472084452 · Headquarters: LACRUCES, NM, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  71. Delta Sigma Phi Fraternity Inc

    EIN 472212800 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Delta Sigma Phi Fraternity Inc

    EIN 473193357 · Headquarters: Terra Haute, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Delta Sigma Phi Fraternity Inc

    EIN 473198772 · Headquarters: Springfield, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Delta Sigma Phi Fraternity Inc

    EIN 473633063 · Headquarters: KENNESAW, GA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  75. Delta Sigma Phi Fraternity Inc

    EIN 473690157 · Headquarters: Plattsburgh, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Delta Sigma Phi Fraternity Inc

    EIN 473735987 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  77. Delta Sigma Phi Fraternity Inc

    EIN 475575952 · Headquarters: Miami, FL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. Delta Sigma Phi Fraternity Inc

    EIN 475638711 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  79. Delta Sigma Phi Fraternity Inc

    EIN 480193130 · Headquarters: Manhattan, KS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Delta Sigma Phi Fraternity Inc

    EIN 481126116 · Headquarters: Sunnyvale, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  81. Delta Sigma Phi Fraternity Inc

    EIN 510251612 · Headquarters: Platteville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Delta Sigma Phi Fraternity Inc

    EIN 520612652 · Headquarters: College Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Delta Sigma Phi Fraternity Inc

    EIN 521189366 · Headquarters: Sherwood Forest, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Delta Sigma Phi Fraternity Inc

    EIN 566088175 · Headquarters: CULLOWHEE, NC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  85. Delta Sigma Phi Fraternity Inc

    EIN 611269807 · Headquarters: LEXINGTON, KY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Delta Sigma Phi Fraternity Inc

    EIN 611271642 · Headquarters: LEXINGTON, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Delta Sigma Phi Fraternity Inc

    EIN 612195714 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Delta Sigma Phi Fraternity Inc

    EIN 742317490 · Headquarters: BELMONT, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Delta Sigma Phi Fraternity Inc

    EIN 742317545 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  90. Delta Sigma Phi Fraternity Inc

    EIN 800593669 · Headquarters: OXFORD, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Delta Sigma Phi Fraternity Inc

    EIN 800695318 · Headquarters: Orlando, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Delta Sigma Phi Fraternity Inc

    EIN 800911680 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Delta Sigma Phi Fraternity Inc

    EIN 811139361 · Headquarters: Charlotte, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Delta Sigma Phi Fraternity Inc

    EIN 811487889 · Headquarters: Irvine, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  95. Delta Sigma Phi Fraternity Inc

    EIN 813132552 · Headquarters: Rolla, MO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. Delta Sigma Phi Fraternity Inc

    EIN 814713439 · Headquarters: GREENWOOD, SC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  97. Delta Sigma Phi Fraternity Inc

    EIN 820996403 · Headquarters: Tyler, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  98. Delta Sigma Phi Fraternity Inc

    EIN 821433466 · Headquarters: Statesboro, GA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  99. Delta Sigma Phi Fraternity Inc

    EIN 824625974 · Headquarters: GAINESVILLE, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Delta Sigma Phi Fraternity Inc

    EIN 825144986 · Headquarters: Orange, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

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