Nonprofits in Oak Brook, Illinois

Nonprofits in Oak Brook, Illinois. Browse 668 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. 1307 Roseburg Chapter

    EIN 510234170 · Headquarters: Oak Brook, IL, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  2. 202 Oak Brook Chapter of Trout Unlimited

    EIN 237355330 · Headquarters: OAK BROOK, IL, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. 2265 Tcf of the Huntsville Area

    EIN 611526313 · Headquarters: Oak Brook, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  4. 670644 Pinnacle Toastmasters

    EIN 061723406 · Headquarters: Oak Brook, IL, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  5. 7 X 24 Exchange International Lake Michigan Region Chapter Inc

    EIN 851307824 · Headquarters: OAK BROOK, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Aapi Global Foundation

    EIN 412430379 · Headquarters: Oak Brook, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Aba Highland Medical Center Foundation

    EIN 363246198 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  8. Ace Hardware Foundation

    EIN 363820478 · Headquarters: Oak Brook, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. Adriana & Joseph Van Eekeren Charitable Foundation

    EIN 992038645 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  10. Adventures With Mr Math Inc

    EIN 474801719 · Headquarters: Oak Brook, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Advocate Aurora Health Inc

    EIN 824184596 · Headquarters: OAK BROOK, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Advocate Health Care

    EIN 262525968 · Headquarters: OAK BROOK, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Advocate Health Care

    EIN 362167920 · Headquarters: OAK BROOK, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Advocate Health Care

    EIN 362169147 · Headquarters: Oak Brook, Illinois, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Advocate Health Care

    EIN 363158667 · Headquarters: Oak Brook, Illinois, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Advocate Health Care

    EIN 363196629 · Headquarters: OAK BROOK, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Advocate Health Care

    EIN 363297360 · Headquarters: Oak Brook, Illinois, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Advocate Health Care Network

    EIN 362167779 · Headquarters: OAK BROOK, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Advocates for Animals USA

    EIN 273427318 · Headquarters: OAK BROOK, IL, US · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  20. Aigas Foundation Inc

    EIN 883139222 · Headquarters: OAK BROOK, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Aigas University

    EIN 884191480 · Headquarters: OAK BROOK, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Albert M Zari Foundation C/o Sassetti Llc

    EIN 464833743 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  23. American Association of Physicians of Indian Origin

    EIN 382532505 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. American Criminal Justice Association Lambda Alpha Epsilon

    EIN 900545565 · Headquarters: Oak Brook, IL, US · Crime & Legal Related · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  25. American Lebanese Joint Civic Assninc Nfp

    EIN 834272386 · Headquarters: OAK BROOK, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. American Society of Functional Neuroradiology

    EIN 141913164 · Headquarters: Oak Brook, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. American Society of Head and Neck Radiology

    EIN 720818276 · Headquarters: OAK BROOK, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. American Society of Home Inspectors

    EIN 132938753 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. American Society of Neuroradiology

    EIN 237122927 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. American Society of Spine Radiology

    EIN 911996464 · Headquarters: OAK BROOK, IL, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Americans for Childrens Education Inc

    EIN 363887854 · Headquarters: OAK BROOK, IL, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  32. Andrew C Langert Family Foundation

    EIN 873971923 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. Anil Neerukonda Foundation

    EIN 364266205 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. Apostles Village Inc C/o Embrace Living Communities

    EIN 432100763 · Headquarters: OAK BROOK, IL, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Arch Ironworkers Local 63 Welfare Fund

    EIN 363251688 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Armaan Foundation

    EIN 933832471 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Arthur G Jaros Sr & Dawn L Jaros Charitable Trust

    EIN 206090921 · Headquarters: Oak Brook, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. Asg Foundation

    EIN 201238601 · Headquarters: OAK BROOK, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  39. Ashi Foundation

    EIN 272528448 · Headquarters: Oak Brook, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Association of Academic Departments of O

    EIN 521089237 · Headquarters: OAK BROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Association of Sikh Professionals

    EIN 363382751 · Headquarters: Oak Brook, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Association of Tamilnadu Medical Graduates

    EIN 364058373 · Headquarters: Oak Brook, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  43. Association of Tamilnadu Medical Graduates Charitable Foundation

    EIN 311718242 · Headquarters: Oak Brook, IL, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  44. Atassi Foundation

    EIN 383611300 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Athletico Cares Foundation Inc

    EIN 853811791 · Headquarters: Oak Brook, IL, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Barnes Foundation

    EIN 364633582 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Bayonet Point Area Housing Inc C/o Embrace Living Communities

    EIN 363696590 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Bear Manor Foundation

    EIN 870824570 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  49. Beard Family Foundation

    EIN 364314237 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  50. Beeee Nfp

    EIN 851410823 · Headquarters: Oak Brook, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Bethel Area Housing Inc C/o Embrace Living Communities & Affilia

    EIN 363696581 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Bethel Area Housing South C/o Embrace Living Communities

    EIN 363973915 · Headquarters: OAK BROOK, IL, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Blistex Inc Employee Benefit Plan and Trust

    EIN 363204401 · Headquarters: OAK BROOK, IL, USA · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990

  54. Bmf Foundation

    EIN 261211621 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. Bossy Family Foundation

    EIN 367452827 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  56. Bracco Italiano Health Foundation

    EIN 812673330 · Headquarters: Oak Brook, IL, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Breath of Life Professional Services NFP

    EIN 141986470 · Headquarters: Oak Brook, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Bridges 613 Inc

    EIN 850491763 · Headquarters: Oak Brook, IL, USA · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  59. Brother Rice High School Foundation Inc

    EIN 462743063 · Headquarters: OAK BROOK, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Brotherhood of Kerasea

    EIN 366111494 · Headquarters: OAK BROOK, IL, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  61. Butler Dist 53 Parent Teacher Organization

    EIN 201792634 · Headquarters: OAK BROOK, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Butler National Golf Club

    EIN 362712964 · Headquarters: Oak Brook, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  63. Butler National Scholarship Fund Inc

    EIN 800942933 · Headquarters: Oak Brook, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Butterfield Country Club

    EIN 360860710 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Butterfield Scholarship Program

    EIN 814831776 · Headquarters: Oak Brook, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Capraro Family Foundation

    EIN 270863044 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  67. Castle Foundation Inc

    EIN 366109305 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  68. Catholic Sports Camps

    EIN 813071903 · Headquarters: Oak Brook, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Charity Circle 93

    EIN 332813001 · Headquarters: Oak Brook, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Chetna Foundation C/o Raj Mittal

    EIN 932484034 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  71. Chicago Chapter of the Organization

    EIN 833945043 · Headquarters: OAK BROOK, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  72. Chicago Club of the Deaf

    EIN 366101948 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Chicago Graphic Arts Health and Welfare Fund

    EIN 362125291 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Chicago Roofers and Waterproofers Charitable Foundation

    EIN 473065108 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. Chicagoveg

    EIN 461670886 · Headquarters: Oak Brook, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Chinese Christian Education Foundation

    EIN 261099052 · Headquarters: OAK BROOK, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Chinese Cultural Garden Association

    EIN 311811327 · Headquarters: Oak Brook, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Cnh Industrial Foundation

    EIN 472363945 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  79. Colorado Finishing Trades Health and Welfare

    EIN 840837011 · Headquarters: Oak Brook, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Common Ground Consultants Inc

    EIN 412103650 · Headquarters: Oak Brook, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  81. Compasionate Friends Inc

    EIN 363789251 · Headquarters: Oak Brook, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  82. Compassionate Freinds Inc

    EIN 300365361 · Headquarters: Oak Brook, IL, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  83. Compassionate Friends Inc

    EIN 020370120 · Headquarters: Oak Brook, IL, US · Health Care · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  84. Compassionate Friends Inc

    EIN 020761854 · Headquarters: Oak Brook, IL, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  85. Compassionate Friends Inc

    EIN 041326332 · Headquarters: Oak Brook, IL, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  86. Compassionate Friends Inc

    EIN 061071139 · Headquarters: Oak Brook, IL, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  87. Compassionate Friends Inc

    EIN 222383154 · Headquarters: Oak Brook, IL, US · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  88. Compassionate Friends Inc

    EIN 232229920 · Headquarters: Oak Brook, IL, US · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  89. Compassionate Friends Inc

    EIN 260063547 · Headquarters: Oak Brook, IL, US · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  90. Compassionate Friends Inc

    EIN 260072414 · Headquarters: Oak Brook, IL, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  91. Compassionate Friends Inc

    EIN 260073935 · Headquarters: Oak Brook, IL, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  92. Compassionate Friends Inc

    EIN 260073936 · Headquarters: Oak Brook, IL, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  93. Compassionate Friends Inc

    EIN 270032080 · Headquarters: Oak Brook, IL, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  94. Compassionate Friends Inc

    EIN 300346373 · Headquarters: Oak Brook, IL, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  95. Compassionate Friends Inc

    EIN 300356573 · Headquarters: Oak Brook, IL, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  96. Compassionate Friends Inc

    EIN 300365052 · Headquarters: Oak Brook, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  97. Compassionate Friends Inc

    EIN 300421515 · Headquarters: Oak Brook, IL, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  98. Compassionate Friends Inc

    EIN 300454081 · Headquarters: Oak Brook, IL, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  99. Compassionate Friends Inc

    EIN 300511628 · Headquarters: Oak Brook, IL, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  100. Compassionate Friends Inc

    EIN 300555567 · Headquarters: Oak Brook, IL, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

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