Unknown & Unclassified nonprofits in Illinois

Unknown & Unclassified nonprofits in Illinois. Browse 25,013 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. AMERICAN FEDERATION OF TEACHERS Quincy Federation Local 809

    EIN 371060594 · Headquarters: Quincy, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. American Federation of Teachers Valley View Office Personnel

    EIN 320238876 · Headquarters: Romeoville, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. American Federations of State County and Municipal

    EIN 366108334 · Headquarters: East Moline, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. American Fence Association Inc

    EIN 364010368 · Headquarters: Mount Prospect, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. American Forage and Grassland Council

    EIN 371043968 · Headquarters: Streator, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. American Foundation for Surgery of the Hand

    EIN 742428242 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. American Foundry Society

    EIN 360725470 · Headquarters: SCHAUMBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. American Foundry Society

    EIN 363438776 · Headquarters: Machesney Park, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. American Foundry Society

    EIN 366083687 · Headquarters: GLENVIEW, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. American Foundry Society

    EIN 376033239 · Headquarters: Dunlap, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. American Franchisee Association

    EIN 363866865 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. American Friends of Austria

    EIN 237050928 · Headquarters: DOWNERS GROVE, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. American Friends of Israel War Disabled Foundation

    EIN 362937918 · Headquarters: Skokie, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. American Friends of Italian Monumental Sculpture

    EIN 274167295 · Headquarters: ELGIN, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. American Friends of Jersey Chadashah

    EIN 363382435 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. American Friends of Mercaz Hatorah Inc

    EIN 363089681 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. American Friends of Ohel Bas Zion Inc

    EIN 363566181 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. American Gold Star Siblings Inc

    EIN 464924184 · Headquarters: Pinckneyville, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  19. American Guild of Organists

    EIN 351535195 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. American Guild of Organists

    EIN 363157675 · Headquarters: Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. American Guild of Organists

    EIN 366207143 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. American Guild of Organists

    EIN 371141717 · Headquarters: Marion, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. American Guild of Organists

    EIN 376030716 · Headquarters: PEORIA, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Guild of Organists

    EIN 912005904 · Headquarters: Good Hope, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. American Guild of Organists Ago

    EIN 366206538 · Headquarters: ROCKFORD, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. American Guild of Organists Ago

    EIN 366206539 · Headquarters: Wheaton, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. American Guild of Organists Ago

    EIN 376039207 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. American Harp Society

    EIN 270235211 · Headquarters: Champaign, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. American Harp Society

    EIN 270269317 · Headquarters: Evanston, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. American Health Information Management Association

    EIN 362181841 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. American Hellenic Society of Freeport

    EIN 366096507 · Headquarters: freeport, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Hospital Association

    EIN 360726140 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. American Humanist Association

    EIN 371457943 · Headquarters: Oswego, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. American Humanist Association

    EIN 464497597 · Headquarters: forest park, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. American Humanist Association

    EIN 822388550 · Headquarters: PEORIA, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. American Hungarian Family Society I Nc

    EIN 237437144 · Headquarters: BLOOMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. American Immigration Lawyers Association Chicago Chapter

    EIN 911911191 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. American Indian Health Service of Chicago

    EIN 237403610 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. American Industrial Hygiene Association

    EIN 311254238 · Headquarters: Libertyville, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. American Inns of Court Foundation

    EIN 363802606 · Headquarters: Bridgeview, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. American Inns of Court Foundation

    EIN 364449235 · Headquarters: Aurora, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. American Inns of Court Foundation

    EIN 371293986 · Headquarters: Carterville, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. American Inns of Court Foundation

    EIN 371294505 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. American Inns of Court Foundation

    EIN 521681356 · Headquarters: Waukegan, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. American Institute of Aeronautics and Astronautics

    EIN 371280532 · Headquarters: Champaign, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. American Institute of Chemical Engineers

    EIN 366156889 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. American Institute of Chemical Engineers

    EIN 371359410 · Headquarters: Champaign, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. American Institute of Philanthropy

    EIN 330491030 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. American Institute of Steel Construction

    EIN 130432350 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. American Iris Society

    EIN 311743522 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. American Islamic College

    EIN 363171297 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. American Italian Cultural Society

    EIN 363636461 · Headquarters: CREST HILL, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. American Lawmen Motorcycle Club Inc

    EIN 473497137 · Headquarters: Lockport, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. American Legion

    EIN 161780119 · Headquarters: Tuscola, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Legion

    EIN 237032608 · Headquarters: Elmhurst, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. American Legion

    EIN 237058433 · Headquarters: Ladd, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Legion

    EIN 237098297 · Headquarters: Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. American Legion

    EIN 237306192 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. American Legion

    EIN 263557998 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  60. American Legion

    EIN 300460125 · Headquarters: Peoria Heights, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. American Legion

    EIN 300560150 · Headquarters: Savoy, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. American Legion

    EIN 300648747 · Headquarters: BROOKFIELD, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  63. American Legion

    EIN 300648876 · Headquarters: Stewardson, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. American Legion

    EIN 311198804 · Headquarters: BLUFFS, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. American Legion

    EIN 320281424 · Headquarters: East Dubuque, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. American Legion

    EIN 320405081 · Headquarters: Skokie, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Legion

    EIN 362008043 · Headquarters: Bradley, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. American Legion

    EIN 362034345 · Headquarters: BERWYN, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  69. American Legion

    EIN 362066350 · Headquarters: MANTENO, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. American Legion

    EIN 362087890 · Headquarters: Sparland, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. American Legion

    EIN 362100674 · Headquarters: Savanna, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Legion

    EIN 362373165 · Headquarters: Oregon, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  73. American Legion

    EIN 362445573 · Headquarters: SAINT ANNE, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. American Legion

    EIN 362485147 · Headquarters: Sheridan, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Legion

    EIN 362530671 · Headquarters: ANTIOCH, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Legion

    EIN 362580324 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Legion

    EIN 362585303 · Headquarters: Colona, IL, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  78. American Legion

    EIN 362638087 · Headquarters: River Grove, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. American Legion

    EIN 362698756 · Headquarters: Morrison, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. American Legion

    EIN 362908012 · Headquarters: PALATINE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. American Legion

    EIN 363251052 · Headquarters: Evanston, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. American Legion

    EIN 363274116 · Headquarters: TINLEY PARK, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  83. American Legion

    EIN 363309552 · Headquarters: Toulon, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. American Legion

    EIN 363323601 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  85. American Legion

    EIN 363385553 · Headquarters: Batavia, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. American Legion

    EIN 363546199 · Headquarters: Huntley, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. American Legion

    EIN 363799387 · Headquarters: PLAINFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. American Legion

    EIN 363987081 · Headquarters: Homer Glen, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. American Legion

    EIN 364315997 · Headquarters: Arlington Heights, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. American Legion

    EIN 364563460 · Headquarters: WAUKEGAN, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. American Legion

    EIN 364677740 · Headquarters: Stillman Valley, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Legion

    EIN 364842736 · Headquarters: Edwardsville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Legion

    EIN 366076708 · Headquarters: hinsdale, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Legion

    EIN 366092880 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. American Legion

    EIN 366093147 · Headquarters: Batavia, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Legion

    EIN 366096684 · Headquarters: Waukegan, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. American Legion

    EIN 366104955 · Headquarters: Grayslake, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. American Legion

    EIN 366108253 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Legion

    EIN 366108314 · Headquarters: LANARK, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. American Legion

    EIN 366108420 · Headquarters: Steger, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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