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. Sigma Kappa Sorority Phi

    EIN 364484780 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Sigma Kappa Sorority Tau

    EIN 811609596 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Sigma Kappa Sorority Theta Alpha

    EIN 561439238 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Sigma Kappa Sorority Theta Chi

    EIN 550705157 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Sigma Kappa Sorority Theta Delta

    EIN 510292938 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Sigma Kappa Sorority Theta Epsilon

    EIN 330234766 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Sigma Kappa Sorority Theta Eta

    EIN 880230881 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Sigma Kappa Sorority Theta Lambda

    EIN 043040434 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Sigma Kappa Sorority Theta Mu

    EIN 581862707 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  10. Sigma Kappa Sorority Theta Omicron

    EIN 454630913 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Sigma Kappa Sorority Theta Phi

    EIN 621445330 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Sigma Kappa Sorority Theta Psi

    EIN 251666363 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Sigma Kappa Sorority Theta Tau

    EIN 481089862 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Sigma Kappa Sorority Theta Xi

    EIN 630997037 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Sigma Kappa Sorority Theta Zeta

    EIN 541403857 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Sigma Kappa Sorority Upsilon Chapter

    EIN 931244621 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Sigma Kappa Sorority Xi Chapter

    EIN 480417710 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Sigma Kappa Sorority Zeta

    EIN 521467571 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Sigma Kappa Sorority Zeta Kappa

    EIN 741943523 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Sigma Kappa Sorority Zeta Mu

    EIN 953577869 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Sigma Kappa Sorority Zeta Omicron

    EIN 860347884 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Sigma Kappa Sorority Zeta Pi

    EIN 840809240 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Sigma Kappa Sorority Zeta Sigma

    EIN 811609773 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Sigma Kappa Sorority Zeta Upsilon

    EIN 953774419 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Sigma Kappa Xi Multicultural Fraternity Inc

    EIN 463822283 · Headquarters: hanover, IN, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  26. Sigma Lambda Beta

    EIN 472864577 · Headquarters: doraville, GA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  27. Sigma Lambda Beta Fraternity

    EIN 472049819 · Headquarters: Orlando, FL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  28. Sigma Lambda Beta International Fraternity

    EIN 311538511 · Headquarters: North Liberty, IA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  29. Sigma Lambda Chapter of Chi Omega Fraternity House Corporation

    EIN 541566888 · Headquarters: TROUTVILLE, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Sigma Lambda Chapter of Kappa Delta Sorority

    EIN 636053862 · Headquarters: AUBURN UNIVERSITY, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Sigma Lambda Gamma National Sorority Inc

    EIN 311494387 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Sigma Lambda Xi Fraternity

    EIN 821898730 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  33. Sigma Mu Chapter of Kappa Delta Sorority

    EIN 462283438 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Sigma Mu Sigma

    EIN 541567869 · Headquarters: Waynesboro, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. Sigma Natick Chapter

    EIN 043476621 · Headquarters: Natick, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  36. Sigma Nu - DT Alumni Chapter

    EIN 815269937 · Headquarters: CORVALLIS, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Sigma Nu - Epsilon Pi Chapter

    EIN 951667045 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Sigma Nu - Iota Rho

    EIN 871295319 · Headquarters: Charleston, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Sigma Nu - Theta Chapter Alumni Assoc

    EIN 237333127 · Headquarters: BIRMINGHAM, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Sigma Nu Alumni Assoc at Ind Univ Inc

    EIN 356019486 · Headquarters: BEDFORD, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Sigma Nu Alumni Scholarship Fund

    EIN 956193282 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Sigma Nu and Delta Chi Rho Association

    EIN 204815266 · Headquarters: Flushing, MI, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  43. Sigma Nu Aztecs for Knowledge & Education Inc

    EIN 812852142 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Sigma Nu Building Association of Nebraska Delta Eta Chapter

    EIN 476033780 · Headquarters: Elmwood, NE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Sigma Nu Delta Fraternity

    EIN 026016002 · Headquarters: SUMMIT, NJ, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  46. Sigma Nu Delta House Corporation

    EIN 026016001 · Headquarters: SUMMIT, NJ, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  47. Sigma Nu Epsilon Omicron Chapter

    EIN 952528365 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Sigma Nu Fraternity

    EIN 043632539 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  49. Sigma Nu Fraternity

    EIN 136175695 · Headquarters: NewYork, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Sigma Nu Fraternity

    EIN 204591344 · Headquarters: Conway, AR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Sigma Nu Fraternity

    EIN 205751249 · Headquarters: Natchitoches, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Sigma Nu Fraternity

    EIN 205899009 · Headquarters: Dekalb, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Sigma Nu Fraternity

    EIN 231494341 · Headquarters: Gettysburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Sigma Nu Fraternity

    EIN 237032099 · Headquarters: UNIVERSITY CITY, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Sigma Nu Fraternity

    EIN 237038788 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Sigma Nu Fraternity

    EIN 237080002 · Headquarters: Clemson, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Sigma Nu Fraternity

    EIN 237176322 · Headquarters: Alliance, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Sigma Nu Fraternity

    EIN 237201210 · Headquarters: NORFOLK, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Sigma Nu Fraternity

    EIN 237209210 · Headquarters: Harrisonburg, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Sigma Nu Fraternity

    EIN 237327724 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Sigma Nu Fraternity

    EIN 271505630 · Headquarters: Strongsville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Sigma Nu Fraternity

    EIN 274155737 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  63. Sigma Nu Fraternity

    EIN 274966566 · Headquarters: Morgantown, WV, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  64. Sigma Nu Fraternity

    EIN 301003933 · Headquarters: Mankato, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Sigma Nu Fraternity

    EIN 311374209 · Headquarters: GREENCASTLE, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Sigma Nu Fraternity

    EIN 340930620 · Headquarters: Bowling Green, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Sigma Nu Fraternity

    EIN 346557330 · Headquarters: KENT, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. Sigma Nu Fraternity

    EIN 346598251 · Headquarters: Cleveland, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Sigma Nu Fraternity

    EIN 350867579 · Headquarters: Terre Haute, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Sigma Nu Fraternity

    EIN 351183782 · Headquarters: MUNCIE, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Sigma Nu Fraternity

    EIN 352587339 · Headquarters: Lawrence, KS, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  72. Sigma Nu Fraternity

    EIN 352876586 · Headquarters: Corinth, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Sigma Nu Fraternity

    EIN 364536177 · Headquarters: ORLANDO, FL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  74. Sigma Nu Fraternity

    EIN 364662586 · Headquarters: Northridge, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  75. Sigma Nu Fraternity

    EIN 371283515 · Headquarters: Charleston, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Sigma Nu Fraternity

    EIN 380566273 · Headquarters: Albion, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Sigma Nu Fraternity

    EIN 382293910 · Headquarters: FLUSHING, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Sigma Nu Fraternity

    EIN 382826901 · Headquarters: YPSILANTI, MI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  79. Sigma Nu Fraternity

    EIN 384001275 · Headquarters: SPRINGFIELD, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Sigma Nu Fraternity

    EIN 410538596 · Headquarters: MINNEAPOLIS, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Sigma Nu Fraternity

    EIN 411543382 · Headquarters: Mankato, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Sigma Nu Fraternity

    EIN 436097954 · Headquarters: Springfield, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Sigma Nu Fraternity

    EIN 450279701 · Headquarters: Fargo, ND, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. Sigma Nu Fraternity

    EIN 461092306 · Headquarters: Cape Girardeau, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Sigma Nu Fraternity

    EIN 464492993 · Headquarters: Hoboken, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Sigma Nu Fraternity

    EIN 470298360 · Headquarters: Omaha, NE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Sigma Nu Fraternity

    EIN 473284974 · Headquarters: Chattanooga, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Sigma Nu Fraternity

    EIN 474984853 · Headquarters: LEXINGTON, KY, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  89. Sigma Nu Fraternity

    EIN 475509668 · Headquarters: HIGH POINT, NC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. Sigma Nu Fraternity

    EIN 510144831 · Headquarters: Jacksonville, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Sigma Nu Fraternity

    EIN 510195411 · Headquarters: Kennesaw, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Sigma Nu Fraternity

    EIN 520485214 · Headquarters: COLLEGE PARK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Sigma Nu Fraternity

    EIN 540379350 · Headquarters: LEXINGTON, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Sigma Nu Fraternity

    EIN 541232037 · Headquarters: LEXINGTON, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Sigma Nu Fraternity

    EIN 561772133 · Headquarters: Asheville, NC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. Sigma Nu Fraternity

    EIN 576029841 · Headquarters: CLINTON, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Sigma Nu Fraternity

    EIN 581241929 · Headquarters: Statesboro, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Sigma Nu Fraternity

    EIN 581565565 · Headquarters: Macon, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Sigma Nu Fraternity

    EIN 596214580 · Headquarters: TAMPA, FL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  100. Sigma Nu Fraternity

    EIN 610448235 · Headquarters: Lexington, KY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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