Unknown & Unclassified nonprofits in Indiana

Unknown & Unclassified nonprofits in Indiana. Browse 14,345 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 Phi Gamma International Sorority Inc

    EIN 356117254 · Headquarters: Marion, IN, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  2. Sigma Phi Gamma International Sorority Inc

    EIN 356118166 · Headquarters: Dunkirk, IN, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  3. Sigma Pi Beta Chapter Housing Corp

    EIN 356007517 · Headquarters: BLOOMINGTON, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Sigma Pi Chapter House of Purdue University Inc

    EIN 350875510 · Headquarters: Lafayette, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Sigma Pi Faternity International

    EIN 010951709 · Headquarters: VINCENNES, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Sigma Pi Fraternity International Beta Chapter

    EIN 350867576 · Headquarters: BLOOMINGTON, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Sigma Pi Fraternity International Inc

    EIN 356067853 · Headquarters: Valparaiso, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Sigma Pi Fraternity International Inc

    EIN 510253317 · Headquarters: VINCENNES, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Sigma Sigma Phi

    EIN 473677282 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  10. Sigma Sigma Sigma Inc

    EIN 454545862 · Headquarters: Fort Wayne, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Sigma Sigma Sigma Inc

    EIN 464029372 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Sigma Tau Gamma

    EIN 251359573 · Headquarters: Carmel, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Sigma Tau Gamma Fraternity

    EIN 363373534 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  14. Sigma Tau Gamma Fraternity

    EIN 812020347 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. Sigma Tau Gamma Fraternity

    EIN 814663927 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  16. Sigma Tau Gamma Fraternity Alpha Epsilon Chapter

    EIN 815010887 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Sigma Tau Gamma Fraternity Alpha Pi Chapter

    EIN 822510796 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  18. Sigma Tau Gamma Fraternity Beta Chi Chapter

    EIN 476031851 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Sigma Tau Gamma Fraternity Beta Xi Chapter

    EIN 611720546 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Sigma Tau Gamma Fraternity Chi Chapter

    EIN 810862129 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Sigma Tau Gamma Fraternity D/b/a Alpha Omega Chapter

    EIN 430732986 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Sigma Tau Gamma Fraternity D/b/a Beta

    EIN 436067168 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Sigma Tau Gamma Fraternity D/b/a Beta Alpha Chapter

    EIN 431375276 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Sigma Tau Gamma Fraternity D/b/a Beta Gamma Chapter

    EIN 043762083 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Sigma Tau Gamma Fraternity D/b/a Beta Iota

    EIN 256063146 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Sigma Tau Gamma Fraternity D/b/a Beta Theta Chapter

    EIN 300728367 · Headquarters: WEST LAFAYETTE, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Sigma Tau Gamma Fraternity D/b/a Beta Upsilon

    EIN 346577070 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Sigma Tau Gamma Fraternity D/b/a Beta Zeta Chapter

    EIN 730749645 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Sigma Tau Gamma Fraternity D/b/a Delta Alpha Chapter

    EIN 371594419 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Sigma Tau Gamma Fraternity D/b/a Delta Psi

    EIN 822573477 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Sigma Tau Gamma Fraternity D/b/a Delta Upsilon

    EIN 363723993 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Sigma Tau Gamma Fraternity D/b/a Epsilon Chi

    EIN 472258764 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Sigma Tau Gamma Fraternity D/b/a Epsilon Delta

    EIN 465520350 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Sigma Tau Gamma Fraternity D/b/a Epsilon Lambda

    EIN 611675769 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Sigma Tau Gamma Fraternity D/b/a Epsilon Omicron

    EIN 201874895 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Sigma Tau Gamma Fraternity D/b/a Epsilon Phi

    EIN 300761994 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Sigma Tau Gamma Fraternity D/b/a Epsilon Rho

    EIN 264080559 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Sigma Tau Gamma Fraternity D/b/a Epsilon Sigma

    EIN 113843901 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Sigma Tau Gamma Fraternity D/b/a Gamma Beta

    EIN 396097725 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Sigma Tau Gamma Fraternity D/b/a Gamma Chi

    EIN 510176084 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Sigma Tau Gamma Fraternity D/b/a Gamma Pi Chapter

    EIN 363373528 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Sigma Tau Gamma Fraternity D/b/a Gamma Xi

    EIN 391212063 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Sigma Tau Gamma Fraternity D/b/a Kappa Chapter

    EIN 263859147 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Sigma Tau Gamma Fraternity D/b/a Mu Chapter

    EIN 736103600 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Sigma Tau Gamma Fraternity D/b/a Theta

    EIN 436067165 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Sigma Tau Gamma Fraternity D/b/a Zeta Alpha

    EIN 472875488 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Sigma Tau Gamma Fraternity D/b/a Zeta Chapter

    EIN 730677853 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Sigma Tau Gamma Fraternity D/b/a Zeta Phi Associate Chapter

    EIN 822498753 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Sigma Tau Gamma Fraternity D/b/a Zeta Psi Associate Chapter

    EIN 824035944 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Sigma Tau Gamma Fraternity DBA Beta Rho Associate Chapter

    EIN 822464747 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  51. Sigma Tau Gamma Fraternity Dba Eta Kappa Chapter

    EIN 831929197 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  52. Sigma Tau Gamma Fraternity DBA Zeta Tau Associate Chapter

    EIN 822417111 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  53. Sigma Tau Gamma Fraternity Gamma Alpha Chapter

    EIN 236420574 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  54. Sigma Tau Gamma Fraternity Gamma Phi Chapter

    EIN 237359646 · Headquarters: EVANSVILLE, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Sigma Tau Gamma Fraternity Inc

    EIN 430689936 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Sigma Tau Gamma Fraternity Phi Chapter

    EIN 726028268 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Sigma Tau Gamma Fraternity Psi Chapter

    EIN 911924132 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Sigma Tau Gamma Fraternity Sigma Chapter

    EIN 716057356 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Sigma Tau Gamma Fraternity Zeta Beta Chapter

    EIN 465047276 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Sigma Tau Gamma Fraternity Zeta Kappa Chapter

    EIN 811400536 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Sigma Tau Gamma Fraternity Zeta Lambda Chapter

    EIN 811273175 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Sigma Tau Gamma Fraternity Zeta Mu Chapter

    EIN 811205195 · Headquarters: CARMEL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Sigma Tau Gamma Fraternity Zeta Omicron Chapter

    EIN 810861531 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Sigma Tau Gamma Fraternity Zeta Pi Chapter

    EIN 812186238 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Sigma Theta Tau Inc

    EIN 351491598 · Headquarters: Lafayette, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Sigma Theta Tau Inc

    EIN 351530399 · Headquarters: Valparaiso, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Sigma Theta Tau Inc

    EIN 351811443 · Headquarters: Terre Haute, IN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  68. Sigma Theta Tau Inc

    EIN 351869033 · Headquarters: Hammond, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Sigma Theta Tau Inc

    EIN 351928447 · Headquarters: Leo, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Sigma Theta Tau Inc

    EIN 363314822 · Headquarters: EVANSVILLE, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Sigma Theta Tau Inc

    EIN 946110412 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Sigma Theta Tau Inc Lambda Epsilon Chapter

    EIN 351811440 · Headquarters: INDIANAPOLIS, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Sigma Theta Tau International

    EIN 900799589 · Headquarters: West Lafayette, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Sigma Theta Tau International Inc

    EIN 351928463 · Headquarters: Notre Dame, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Sigma Theta Tau International Inc

    EIN 356067857 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Sigma Theta Tau International Inc

    EIN 900266196 · Headquarters: Anderson, IN, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  77. Sigma Theta Tau International Inc

    EIN 911935292 · Headquarters: Evansville, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Sigma Theta Tau International Inc

    EIN 912039529 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Sigma Theta Tau International Inc

    EIN 930800164 · Headquarters: Muncie, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Sikhs of Fort Wayne Llc

    EIN 931443788 · Headquarters: FORT WAYNE, IN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  81. Silver Belles Home Ec Club

    EIN 351896453 · Headquarters: Flora, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Silver Creek Water Corporation

    EIN 351119457 · Headquarters: SELLERSBURG, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Silver Lake Cemetery Association Inc

    EIN 351117717 · Headquarters: Silver Lake, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Silver Lake Education Foundation

    EIN 264015636 · Headquarters: Silver Lake, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Silvio Hein Memorial Trust Xxx-xx-xxxx

    EIN 356032182 · Headquarters: EVANSVILLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  86. Simon Levi Trust

    EIN 356011750 · Headquarters: Terre Haute, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Simply Soda Childrens Foundation

    EIN 454177524 · Headquarters: FRANKFORT, IN, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  88. Simpson Council 23 Cryptic Masons

    EIN 900497063 · Headquarters: Evansville, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Sims Cemetery Association Inc

    EIN 356050345 · Headquarters: Liberty, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Sinai Temple Cemetery Association Inc

    EIN 351848647 · Headquarters: Michigan City, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Sirius Readers Inc

    EIN 351853659 · Headquarters: Fort Wayne, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Sister Cities of Jasper Inc

    EIN 311162341 · Headquarters: JASPER, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Sister Maria Pieta Scott Csc Scholarship Trust

    EIN 351769494 · Headquarters: JASPER, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  94. Sisters of the Cloth Quilting Guild Inc

    EIN 900064522 · Headquarters: Fort Wayne, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Six Mile Cemetery Association

    EIN 350661188 · Headquarters: Bluffton, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Six Points Wesleyan Church

    EIN 300118130 · Headquarters: Sheridan, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Skelton Cemetery Association Inc

    EIN 351874290 · Headquarters: Boonville, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Skiles Test Parent Faculty Organization

    EIN 351838354 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Sky Castle Flying Club Inc

    EIN 351326991 · Headquarters: New Castle, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Sky-vu Flyers Inc

    EIN 356039336 · Headquarters: FISHERS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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