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. International Union UAW LOCAL 865

    EIN 362002693 · Headquarters: East Moline, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. International Union UAW LOCAL 890

    EIN 362559075 · Headquarters: Niles, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. International Union UAW LOCAL 904

    EIN 362589212 · Headquarters: Mendota, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. International Union Uaw Local 974

    EIN 370643489 · Headquarters: EAST PEORIA, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. International Union United Auto Aer Ospace & Agricultural Workers of A

    EIN 472251764 · Headquarters: Pontiac, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. International Union United Auto Aerospace & Agricultural Workers

    EIN 237268428 · Headquarters: Ottawa, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. International Union United Auto Aerospace & Agricultural Workers

    EIN 237374911 · Headquarters: EAST PEORIA, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. International Union United Auto Aerospace & Agricultural Workers

    EIN 237437911 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. International Union United Auto Aerospace & Agricultural Workers

    EIN 361780819 · Headquarters: STONE PARK, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  10. International Union United Auto Aerospace & Agricultural Workers

    EIN 362196680 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. International Union United Auto Aerospace & Agricultural Workers

    EIN 362234476 · Headquarters: Ottawa, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. International Union United Auto Aerospace & Agricultural Workers

    EIN 362737917 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. International Union United Auto Aerospace & Agricultural Workers

    EIN 363009830 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. International Union United Auto Aerospace & Agricultural Workers

    EIN 363305127 · Headquarters: Freeport, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. International Union United Auto Aerospace & Agricultural Workers

    EIN 363569034 · Headquarters: Freeport, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. International Union United Auto Aerospace & Agricultural Workers

    EIN 363731061 · Headquarters: NORTHLAKE, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. International Union United Auto Aerospace & Agricultural Workers

    EIN 363902070 · Headquarters: EAST MOLINE, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. International Union United Auto Aerospace & Agricultural Workers

    EIN 371088015 · Headquarters: Danville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. International Union United Auto Aerospace & Agricultural Workers

    EIN 376052373 · Headquarters: VERMONT, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. International Union United Auto Aerospace & Agricultural Workers

    EIN 383256786 · Headquarters: Ottawa, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. International Union United Auto Aerospace & Agricultural Workers

    EIN 390368030 · Headquarters: Ottawa, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. International Union United Auto Aerospace & Agricultural Workers

    EIN 390864544 · Headquarters: Ottawa, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. International Union United Auto Aerospace & Agricultural Workers

    EIN 426094719 · Headquarters: Ottawa, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. International Union United Auto Aerospace & Agricultural Workers

    EIN 430921252 · Headquarters: Ottawa, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS & Agricultural Workers Local 2114

    EIN 363059172 · Headquarters: Bolingbrook, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. International Union United Auto Aerospace & Agriculture Workers

    EIN 362963748 · Headquarters: Peru, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. International Union United Auto Aerospace & Agriculture Workers

    EIN 370818533 · Headquarters: Bartonville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. International Union United Automobile Aerospace & Agricultura

    EIN 362659395 · Headquarters: Ottawa, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. International Warehouse Logistics Association

    EIN 360731240 · Headquarters: DES PLAINES, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. International William V Banks Grand Lodge of Faam

    EIN 237532360 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. International Womens Insolvency & Restructuring Confederation Inc

    EIN 470922846 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Internatl Assoc of Bridge 63 Architctral

    EIN 360743355 · Headquarters: WESTCHESTER, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Internet Freedom for Mchenry County

    EIN 842781428 · Headquarters: Woodstock, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. Interntl Assoc of Firefighters L53

    EIN 376044753 · Headquarters: BELLEVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Intervention Instruction Inc

    EIN 362977609 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  36. Intl Alliance Theatrical Stage Employees Moving Picture Mach Operators/the USA Un

    EIN 360902920 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Intl Assn of Firefighters L-3105 Arlington Hts

    EIN 362934996 · Headquarters: Mount Prospect, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Intl Assn of Firefighters L-3271 North Chicago

    EIN 363689992 · Headquarters: North Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Intl Assn of Firefighters L-4119 Mt Prospect

    EIN 010738728 · Headquarters: Mt Prospect, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Intl Assoc Firefighters L4646-oak Brook Associated Firefighters of Oak Brook

    EIN 261917582 · Headquarters: OAK BROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Intl Assoc of Firefighters Lcl 3005 Bolingbrook

    EIN 363286157 · Headquarters: BOLINGBROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Intl Assoc of Firefighters Lcl 4560

    EIN 371577961 · Headquarters: PLAINFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Intl Association of Fire Fighters Local 2369

    EIN 237428107 · Headquarters: SHOREWOOD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Intl Association of Lions Roscoe 271

    EIN 237343211 · Headquarters: ROSCOE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. Intl Brotherhood of Boilermakers Local 158

    EIN 370447882 · Headquarters: PEORIA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Intl Brotherhood of Boilermakers Local Lodge No 60

    EIN 370347475 · Headquarters: MORTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Intl Brotherhood of Electrical Workers Local 309

    EIN 370347385 · Headquarters: COLLINSVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Intl Society for Childrens Health

    EIN 473136992 · Headquarters: SCHAUMBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  49. Intl Union of Operating Engineers L150 150a 150B 150C Building Corp

    EIN 237040499 · Headquarters: COUNTRYSIDE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. Intl Union of Painters Local 1332

    EIN 366108106 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Intl Union Painters & Allied Trade Local Union 363

    EIN 370451298 · Headquarters: CHAMPAIGN, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Inverness Community Association

    EIN 363582060 · Headquarters: Inverness, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Inverness Golf Club

    EIN 362306401 · Headquarters: INVERNESS, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Invest to Elect Illinois Inc

    EIN 872885696 · Headquarters: Wilmette, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. Ioc Activity Committee

    EIN 611727895 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  56. Iohcs Inc

    EIN 451217532 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  57. Ioof Cemetery Association

    EIN 370346326 · Headquarters: VERGENNES, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Iota Nu Zeta House Corporation of Lambda Chi Alpha Fraternity

    EIN 237360536 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  59. Iota Phi Theta Fraternity-mu Omega

    EIN 473286585 · Headquarters: Bellevile, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  60. Iota Sigma Pi

    EIN 346557368 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Iota Sigma Pi

    EIN 366099282 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Iota Sigma Pi

    EIN 541125878 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Iota Sigma Pi

    EIN 746077420 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Iota Sigma Pi

    EIN 844623162 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Iota Sigma Pi

    EIN 900215689 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Iota Sigma Pi

    EIN 900285314 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Iota Sigma Pi

    EIN 900820732 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Iota Sigma Pi

    EIN 946093887 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Iowa Area Assembly of Alcoholics Anonymous

    EIN 421321869 · Headquarters: MOLINE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Iowa Chapter of the Appraisal Institute

    EIN 426073860 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Iowa Colony House Corporation of Lambda Chi Alpha

    EIN 420985140 · Headquarters: EAST PEORIA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Iowa Laborers Health & Welfare Fund

    EIN 420946060 · Headquarters: Oak Brook, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  73. Iowa Wesleyan College Employees Medical Plan & Trust

    EIN 363232208 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. Iowa-Illinois Regional Auto Show Inc

    EIN 421431990 · Headquarters: MOLINE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. Ip and Lola Zimmerly Educational Prospect Bank

    EIN 376314386 · Headquarters: PARIS, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  76. IPERS Valwest Business Park Inc

    EIN 943267832 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. IPERS Wilmington Distribution Center

    EIN 862688583 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Ipi Action Fund Inc

    EIN 871139095 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. IPLSA Benefit Association

    EIN 371327604 · Headquarters: Pawnee, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Iqra Educational Center

    EIN 813106588 · Headquarters: GILBERTS, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Ira and Janina Marks Charitable Trust C/o Peter Marks

    EIN 363620787 · Headquarters: EVANSTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  82. Irene Beste Trust 1045013866

    EIN 376182409 · Headquarters: CHAMPAIGN, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  83. Irene Storey Scholarship Fund First Mid Wealth Management Trustee

    EIN 371275007 · Headquarters: MATTOON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. Irick Sherer Reunion Corporation

    EIN 271186094 · Headquarters: Pittsfield, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. Irish Fellowship Club of Chicago

    EIN 363166930 · Headquarters: WESTERN SPRINGS, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Irish Heritage Society

    EIN 061751398 · Headquarters: Bloomington, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  87. Irma Brust

    EIN 366406793 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  88. Iron League of Chicago Inc

    EIN 362262575 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Iron Workers District Council of Chicago and Vicinity

    EIN 361267725 · Headquarters: DES PLAINES, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Iron Workers Local 112 Apprentice Training and Retraining Fund

    EIN 371220694 · Headquarters: EAST PEORIA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Iron Workers Local 8 Welfare Fund

    EIN 390855190 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Iron Workers Local Union 112

    EIN 370347320 · Headquarters: EAST PEORIA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Iron Workers Local Union 380 Training Program Trust

    EIN 370912111 · Headquarters: URBANA, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. Iron Workers Regional Health & Welfare Trust

    EIN 362234288 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Iron Workers Regional Shop Local Union 853

    EIN 830898740 · Headquarters: DES PLAINES, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Iron Workers Welfare Fund

    EIN 720506999 · Headquarters: Oak Brook, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Irons Oaks Foundation

    EIN 363028756 · Headquarters: Olympia Fields, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Ironworkers Local #498 Joint Apprenticeship Committee

    EIN 362767733 · Headquarters: ROCKFORD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Ironworkers Local 1

    EIN 362196735 · Headquarters: Forest Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Ironworkers Local 112

    EIN 237164264 · Headquarters: EAST PEORIA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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