Nonprofits in Illinois

Nonprofits in Illinois. Browse 87,324 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. Sidell Lions Club Inc

    EIN 237087474 · Headquarters: SIDELL, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  2. Sidener Cemetery Association

    EIN 237245150 · Headquarters: Saint Elmo, IL, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Sider Smith Family Foundation Inc Dba Happy Days Family Foundation Inc

    EIN 922974024 · Headquarters: EVANSTON, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  4. Sideshow Theatre NFP

    EIN 261477606 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  5. Sidley & Austin Fund for Kanoon Magnet School

    EIN 363412045 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Sidney and Lisa Glenner Foundation

    EIN 363557155 · Headquarters: LINCOLNWOOD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. Sidney Baritz Foundation Inc

    EIN 510236423 · Headquarters: Highland Park, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  8. Sidney Community Services Inc

    EIN 205060692 · Headquarters: CHICAGO, IL, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  9. Sidney Hillman Health Centre

    EIN 362245908 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Sidney Historical Society 304 S Railroad

    EIN 371240727 · Headquarters: Sidney, IL, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  11. Sidwell Foundation

    EIN 366025911 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Siegfried and Marjorie Claussner Foundation

    EIN 363774034 · Headquarters: ROSELLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  13. Siems Memorial Park Inc

    EIN 363736220 · Headquarters: Union, IL, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. Siena Foundation

    EIN 825109855 · Headquarters: Rockford, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Sierra Education Fund

    EIN 141963393 · Headquarters: Romeoville, IL, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Sierra Leone Community Association of Chicago Nfp

    EIN 721579574 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  17. Sierra Leone Muslim Jamarrtt of Chicago

    EIN 454611184 · Headquarters: sauk village, IL, US · Religion Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  18. Sietar Chicagoland

    EIN 364031587 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  19. Sig and Mimi Feiger Family Foundation

    EIN 811386333 · Headquarters: MORTON GROVE, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. Sigel Firefighters Association

    EIN 830998116 · Headquarters: Sigel, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Sigel Mutual Insurance Company

    EIN 376039069 · Headquarters: SIGEL, IL, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990

  22. Sight and Equitable Eye Care for India Nfp

    EIN 461481707 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  23. Sigma Alpha Epsilon

    EIN 208801247 · Headquarters: Charleston, IL, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  24. Sigma Alpha Epsilon - Il Epsilon Chapter - Inc

    EIN 264659136 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  25. Sigma Alpha Epsilon Foundation

    EIN 362170145 · Headquarters: Evanston, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Sigma Alpha Epsilon Fraternity

    EIN 240723590 · Headquarters: Evanston, IL, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Sigma Alpha Epsilon Fraternity

    EIN 361773940 · Headquarters: Evanston, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Sigma Alpha Epsilon Fraternity

    EIN 361773950 · Headquarters: Evanston, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Sigma Alpha Epsilon Fraternity

    EIN 711038336 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. Sigma Alpha Epsilon Fraternity

    EIN 800517347 · Headquarters: Evanston, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Sigma Alpha Epsilon Fraternity

    EIN 814371729 · Headquarters: DeKalb, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  32. Sigma Alpha Epsilon Fraternity

    EIN 822748080 · Headquarters: Glenview, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Sigma Alpha Epsilon Fraternity

    EIN 831831420 · Headquarters: Caseyville, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  34. Sigma Alpha Epsilon Fraternity

    EIN 840883737 · Headquarters: Evanston, IL, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. Sigma Alpha Epsilon Fraternity Illinois Delta Chapter

    EIN 370609662 · Headquarters: Decatur, IL, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  36. Sigma Alpha Epsilon Illinois Epsilon Chapter Inc

    EIN 237145724 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Sigma Alpha Epsilon Indiana Delta Chapter

    EIN 350874560 · Headquarters: EVANSTON, IL, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990

  38. Sigma Alpha Epsilon-Illinois Sigma Sigma

    EIN 208265626 · Headquarters: MACOMB, IL, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  39. Sigma Alpha Mu Fraternity

    EIN 363339088 · Headquarters: DeKalb, IL, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  40. Sigma Alpha Mu Fraternity Rho Chapter

    EIN 366079310 · Headquarters: Vernon Hills, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  41. Sigma Alpha Mu Gamma Epsilon

    EIN 311264017 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  42. Sigma Alpha Mu Gamma Epsilon Educational Foundation

    EIN 363780584 · Headquarters: Skokie, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Sigma Alumni Association Corporation Bldg Assoc

    EIN 370750819 · Headquarters: Charleston, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  44. Sigma Beta Delta Inc

    EIN 431765869 · Headquarters: BROOKFIELD, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Sigma Beta Rho

    EIN 473496109 · Headquarters: Champaign, IL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  46. Sigma Chi Building Association of Peoria

    EIN 454454497 · Headquarters: Edwards, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Sigma Chi Chapter House of Purdue

    EIN 356019397 · Headquarters: GLEN ELLYN, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Sigma Chi Foundation

    EIN 362208386 · Headquarters: Evanston, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Sigma Chi Fraternity

    EIN 270656582 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Sigma Chi Fraternity

    EIN 320326279 · Headquarters: Carbondale, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Sigma Chi Fraternity

    EIN 370667669 · Headquarters: CREST HILL, IL, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  52. Sigma Chi Fraternity

    EIN 371189670 · Headquarters: Normal, IL, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  53. Sigma Chi Fraternity

    EIN 453137354 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Sigma Chi Fraternity Alpha Iota Chapter

    EIN 370663117 · Headquarters: BLOOMINGTON, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  55. Sigma Chi Fraternity Delta Rho Chapter

    EIN 371220563 · Headquarters: Peoria, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Sigma Chi Fraternity Iota Omicron Chapter

    EIN 363538964 · Headquarters: Macomb, IL, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  57. Sigma Chi Fraternity Kappa Kappa Chapter

    EIN 370516290 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Sigma Chi Fraternity Lambda Alpha Chapter

    EIN 300383851 · Headquarters: GALESBURG, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. Sigma Chi Fraternity Lambda Omega Chapter

    EIN 464171039 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  60. Sigma Chi Fraternity Theta Rho Chapter

    EIN 844269089 · Headquarters: Normal, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Sigma Chi Home Association of Northwestern

    EIN 366110483 · Headquarters: EVANSTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Sigma Chi International Fraternity Inc

    EIN 361773960 · Headquarters: Evanston, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Sigma Chi Leadership Institute

    EIN 260490104 · Headquarters: Evanston, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Sigma Chi Omega Chapter

    EIN 361773970 · Headquarters: EVANSTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Sigma Chi Omicron Omicron Foundation Inc

    EIN 831892770 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Sigma Delta Epsilon Graduate Womens Scientific Frat

    EIN 464183279 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. Sigma Delta Tau-alpha Upsilon

    EIN 370819623 · Headquarters: PEORIA, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  68. Sigma Gamma Epsilon

    EIN 742239787 · Headquarters: Macomb, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. Sigma Gamma Epsilon

    EIN 742797566 · Headquarters: Charleston, IL, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  70. Sigma Gamma Rho Sorority

    EIN 333406917 · Headquarters: MACOMB, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Sigma Gamma Rho Sorority

    EIN 471333179 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Sigma Gamma Rho Sorority

    EIN 842141436 · Headquarters: MACOMB, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Sigma Gamma Rho Sorority

    EIN 991876212 · Headquarters: CASEYVILLE, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Sigma Gamma Rho Sorority Inc

    EIN 061796371 · Headquarters: NORMAL, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Sigma Gamma Rho Sorority Inc

    EIN 201539950 · Headquarters: BOLINGBROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Sigma Gamma Rho Sorority Inc

    EIN 203352270 · Headquarters: Matteson, IL, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  77. Sigma Gamma Rho Sorority Inc

    EIN 205905404 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Sigma Gamma Rho Sorority Inc

    EIN 260249551 · Headquarters: ROCKFORD, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Sigma Gamma Rho Sorority Inc

    EIN 311321654 · Headquarters: SPRINGFIELD, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Sigma Gamma Rho Sorority Inc

    EIN 311321659 · Headquarters: Evergreen Park, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Sigma Gamma Rho Sorority Inc

    EIN 311360144 · Headquarters: RICHTON PARK, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Sigma Gamma Rho Sorority Inc

    EIN 363559242 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Sigma Gamma Rho Sorority Inc

    EIN 364088353 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Sigma Gamma Rho Sorority Inc

    EIN 364162754 · Headquarters: OAK LAWN, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Sigma Gamma Rho Sorority Inc

    EIN 364776110 · Headquarters: HOMEWOOD, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Sigma Gamma Rho Sorority Inc

    EIN 366164909 · Headquarters: MARKHAM, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Sigma Gamma Rho Sorority Inc

    EIN 366206050 · Headquarters: SKOKIE, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Sigma Gamma Rho Sorority Inc

    EIN 371105114 · Headquarters: NORMAL, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Sigma Gamma Rho Sorority Inc

    EIN 371105116 · Headquarters: PEORIA, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Sigma Gamma Rho Sorority Inc

    EIN 371263948 · Headquarters: PEORIA, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Sigma Gamma Rho Sorority Inc

    EIN 371347855 · Headquarters: URBANA, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Sigma Gamma Rho Sorority Inc

    EIN 376034704 · Headquarters: EAST ST LOUIS, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Sigma Gamma Rho Sorority Inc

    EIN 376076065 · Headquarters: Glen Carbon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Sigma Gamma Rho Sorority Inc

    EIN 510230479 · Headquarters: CHAMPAIGN, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Sigma Gamma Rho Sorority Inc

    EIN 800963283 · Headquarters: NORMAL, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Sigma Gamma Rho Sorority Inc

    EIN 900743561 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Sigma Gamma Rho Sorority Inc

    EIN 911868492 · Headquarters: EVANSTON, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Sigma Gamma Rho Sorority Inc

    EIN 911956827 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Sigma Gamma Rho Sorority Inc

    EIN 912046194 · Headquarters: BOLINGBROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Sigma Gamma Rho Sorority Inc Central Region

    EIN 411796347 · Headquarters: ROMEOVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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