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. Will-grundy Center for Independent Living

    EIN 363397910 · Headquarters: JOLIET, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Will-grundy Industry Advancement Trust

    EIN 363521531 · Headquarters: JOLIET, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Will-grundy Kendall Speech Language and Hearing Association Wgkslha

    EIN 473662036 · Headquarters: Joliet, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Willard Sweitzer American Legion Tr

    EIN 376127123 · Headquarters: WASHINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  5. William & Hope G Simpson Foundation

    EIN 366071622 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  6. William a Arnold Trust 1045000479

    EIN 376061351 · Headquarters: CHAMPAIGN, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. William a Chryst Xxxxx0005

    EIN 316026953 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  8. William Archie Schroeder Scholarship Trust

    EIN 376267162 · Headquarters: PETERSBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. William B Haynes Trust Ua Xxxxx3001

    EIN 346516082 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  10. William B Pollock Ii & Kathryn Challis

    EIN 346514079 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. William Bartlett Xxxxx9004

    EIN 356009334 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. William Blair & Company Foundation

    EIN 363092291 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  13. William Chandler Peterson Post No 171 American Legion Dept of Il

    EIN 362279758 · Headquarters: CRYSTAL LAKE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. William Dawes Society - Nscar

    EIN 464361018 · Headquarters: Wilmette, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. William E & Myrtle a Jones Scholar Trust First Mid Wealth Management Trustee

    EIN 376298727 · Headquarters: MATTOON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. William E Derry Foundation for Arts in Education

    EIN 474094660 · Headquarters: MILFORD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. William Evans Trust Xxxxx6005

    EIN 156017131 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  18. William Fife Trust No 1 Xxxxx2004

    EIN 756025735 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. William G & Mary A Ryan Foundation

    EIN 363870010 · Headquarters: Hinsdale, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  20. William G Mcgowan Charitable Fund

    EIN 521829785 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. William H Cochrane Educational Tr the Northern Trust Company

    EIN 596895373 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  22. William H Inman Trust Xxxxx3002

    EIN 166015864 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. William H Warner Memorial Fund Xxxxx6006

    EIN 132910505 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. William Hipsley Trust 902

    EIN 376282901 · Headquarters: TABLE GROVE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. William I & Helen H Tyler Scholarship Tr Ust Fund Uw of William I

    EIN 363589664 · Headquarters: LASALLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. William I Tyler Trus Uw Fbo Post

    EIN 376267645 · Headquarters: LASALLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. William J Watson Irrevocable Trust Xxxxx5001

    EIN 366014834 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  28. William L & Josephine B Weiss Family Foundation

    EIN 363478679 · Headquarters: LINCOLNSHIRE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. William L Detmold Tr Xxxxx6005

    EIN 136026107 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. William Laux Jr Memorial Trust Xxxxx4001

    EIN 396551971 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  31. William M Hales Foundation

    EIN 363735095 · Headquarters: KENILWORTH, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  32. William M Miller Tw

    EIN 366581788 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. William Martin Vfw Post 725

    EIN 362340764 · Headquarters: MOKENA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. William Neal Reynolds Residuary Trust Dtd

    EIN 566036636 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  35. William P Bomar Jr Tr a Xxxxx0001

    EIN 756014222 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  36. William P Ingersoll Trust Xxxxx8005

    EIN 366584340 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  37. William R & Marilyn W Blew Foundation

    EIN 363487087 · Headquarters: Palos Heights, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  38. William Rankin Elizabeth Forbes Rankin Trust

    EIN 136584984 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. William Siekman Fdn

    EIN 396539731 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  40. Williams Aftercare Recovery Center Nfp

    EIN 770603977 · Headquarters: Harvey, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  41. Williams Cemetery Association

    EIN 371191937 · Headquarters: MOUNT VERNON, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Williams H Fbo Mt Hosp Tw Xxxxx7005

    EIN 226021956 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  43. Williams Pond Rescue

    EIN 473643446 · Headquarters: SALEM, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  44. Williamsfield Area Development Corp

    EIN 371281802 · Headquarters: WILLIAMSFIELD, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Williamson County Agricultural Association

    EIN 370604361 · Headquarters: Marion, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Williamson County Catholic Credit Union

    EIN 370817199 · Headquarters: Herrin, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Williamson County Farm Bureau

    EIN 370587960 · Headquarters: MARION, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  48. Williamson County Gun Club

    EIN 371411668 · Headquarters: CARTERVILLE, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Williamson County Historical Society

    EIN 237174487 · Headquarters: Marion, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Williamson County Retired Teachers Assn Unit 86

    EIN 300206931 · Headquarters: Marion, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Williamson Post 147 American Legion

    EIN 370631119 · Headquarters: MARION, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Williamsville Garden Club

    EIN 843880670 · Headquarters: Williamsville, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Williamsville Youth Baseball League Inc

    EIN 465573131 · Headquarters: SHERMAN, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  54. Willits-robinson Preservation Foundation

    EIN 363442996 · Headquarters: HIGHLAND PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  55. Willow Creek Community Church Inc

    EIN 510164942 · Headquarters: South Barrington, IL, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-T

  56. Willow Springs Rod & Gun Club

    EIN 237356124 · Headquarters: Plainfield, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Willow Wood Preschool

    EIN 362656049 · Headquarters: WINNETKA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Wilma Donohue Moleen Foundation Xxxxx7003

    EIN 746409404 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  59. Wilmette Arts Guild

    EIN 363815111 · Headquarters: WILMETTE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Wilmette Baseball Association

    EIN 362414937 · Headquarters: WILMETTE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Wilmette Community Band 1631 Elmwood Ave Wilmette Illinois

    EIN 363544373 · Headquarters: Evanston, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Wilmette Community Nursery School

    EIN 362529530 · Headquarters: WILMETTE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Wilmette Curling Club

    EIN 237406564 · Headquarters: Northbrook, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Wilmette Harbor Association

    EIN 361970598 · Headquarters: WILMETTE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Wilmette Historical Society

    EIN 366166312 · Headquarters: Wilmette, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Wilmette Hockey Association

    EIN 237442993 · Headquarters: WILMETTE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Wilmette Police Benevolent Fund

    EIN 863795723 · Headquarters: WILMETTE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Wilmette Wings Soccer Club

    EIN 912100750 · Headquarters: WILMETTE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Wilmettekenilworth Chamber of Commerce

    EIN 361970560 · Headquarters: WILMETTE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Wilmington Area Historical Society

    EIN 362911425 · Headquarters: WILMINGTON, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Wilmington Coalition for a Healthy Community

    EIN 274013017 · Headquarters: Wilmington, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Wilmington Little League Inc

    EIN 237224707 · Headquarters: Wilmington, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. Wilmington Lodge No 241 Loyal Order of Moose

    EIN 363084640 · Headquarters: Wilmington, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Wilmot Elementary School Pto

    EIN 363531918 · Headquarters: DEERFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Wilson Charitable Found Tr Xxxxx1008

    EIN 760285403 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. Wilson Mothershead Trust Xxxxx0008

    EIN 356056154 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  77. Wilson Trust Fbo Sheridan Memorial

    EIN 836007155 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  78. Win for Life Fitness

    EIN 471049458 · Headquarters: Edwardsville, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  79. Winchester Band Boosters

    EIN 814155903 · Headquarters: WINCHESTER, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  80. Windsor Rod & Gun Club

    EIN 376046774 · Headquarters: Windsor, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Windwood Water Systems Inc

    EIN 371187896 · Headquarters: GALESBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  82. Windy City Bmw Inc

    EIN 363081078 · Headquarters: GLENVIEW, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  83. Windy City Chapter - the Links

    EIN 521556416 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Windy City Chapter of the Trade Show Exhibitors Association

    EIN 363816003 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  85. Windy City Collectors Barbie Doll Club

    EIN 832051393 · Headquarters: Elgin, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Windy City Corvettes Inc

    EIN 363723345 · Headquarters: Orland Park, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Windy City Darters

    EIN 363243099 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  88. Windy City Performing Arts Inc

    EIN 363305202 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Windy City Seniors Inc

    EIN 332106322 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Winfield Historical Society

    EIN 362985509 · Headquarters: WINFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Winfield Scott Charitable Trust Xxxxx8002

    EIN 166260266 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  92. Wingman Drivers

    EIN 472941601 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  93. Winnebago Boone County Genealogical Society

    EIN 363573713 · Headquarters: Machesney Park, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Winnebago County 4H Foundation Inc

    EIN 237382199 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Winnebago County Assoc for Family and Community Education

    EIN 366110472 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. Winnebago County Bar Association

    EIN 362420951 · Headquarters: ROCKFORD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Winnebago County Children and Our Courts Foundation Incorporated

    EIN 364172743 · Headquarters: Rockford, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Winnebago County Dental Society

    EIN 362671080 · Headquarters: LOVES PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. Winnebago County Employees Association

    EIN 363804920 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Winnebago County Medical Society

    EIN 362110752 · Headquarters: ROCKFORD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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