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. The Compassionate Friends Southeast Kansas Chapter

    EIN 363962110 · Headquarters: OAK BROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  2. The Compassionate Friends Southeast Louisiana Chapter

    EIN 611724901 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  3. The Compassionate Friends Southeast Mississippi Chapter

    EIN 640665973 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  4. The Compassionate Friends Southeast Nebraska Chapter

    EIN 611760689 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  5. The Compassionate Friends Southeast San Diego Chapter

    EIN 611626093 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  6. The Compassionate Friends Southeastern Massachusetts Chapter

    EIN 611571709 · Headquarters: OAK BROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  7. The Compassionate Friends Southern Berks County Chapter

    EIN 364051776 · Headquarters: OAK BROOK, IL, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  8. The Compassionate Friends Southern Nevada Chapter

    EIN 611595647 · Headquarters: OAK BROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  9. The Compassionate Friends Southwest Colorado Chapter

    EIN 300657170 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  10. The Compassionate Friends Spokane Chapter

    EIN 300368763 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  11. The Compassionate Friends Stockton Chapter

    EIN 300485307 · Headquarters: OAK BROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  12. The Compassionate Friends Summerville Chapter

    EIN 300796288 · Headquarters: OAK BROOK, IL, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  13. The Compassionate Friends Texarkana Chapter

    EIN 371769563 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  14. The Compassionate Friends Toombs & Montgomery Counties Chapte

    EIN 320191292 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  15. The Compassionate Friends Treasure Coast Chapter

    EIN 363988344 · Headquarters: OAK BROOK, IL, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  16. The Compassionate Friends Troy Chapter

    EIN 320111955 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  17. The Compassionate Friends Two Hearts Chapter of Leavenworth

    EIN 371517897 · Headquarters: OAK BROOK, IL, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  18. The Compassionate Friends Upper Peninsula Chapter

    EIN 320172888 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  19. The Compassionate Friends Upper Shenandoah Valley Chapter

    EIN 541438889 · Headquarters: OAK BROOK, IL, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  20. The Compassionate Friends Van Wert Ohio Area Chapter

    EIN 341332102 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  21. The Compassionate Friends Venice Chapter

    EIN 383751604 · Headquarters: OAK BROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  22. The Compassionate Friends Verde Valley Chapter

    EIN 611506308 · Headquarters: OAK BROOK, IL, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  23. The Compassionate Friends Walworth County Chapter

    EIN 363635161 · Headquarters: OAK BROOK, IL, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  24. The Compassionate Friends Washington in Area Chapter

    EIN 364636982 · Headquarters: OAK BROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  25. The Compassionate Friends West Central Michigan Chapter

    EIN 320158612 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  26. The Compassionate Friends Western New York Chapter

    EIN 320259098 · Headquarters: OAK BROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  27. The Compassionate Friends Wind River Chapter

    EIN 911877134 · Headquarters: OAK BROOK, IL, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  28. The Compassionate Friends Wiregrass Chapter

    EIN 300475290 · Headquarters: OAK BROOK, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  29. The Compassionate Friends Yankton Area Chapter

    EIN 911834092 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  30. The Compassionate Friends Yolo Chapter

    EIN 320181717 · Headquarters: OAK BROOK, IL, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  31. The Dempster Family Foundation Inc

    EIN 800477017 · Headquarters: OAK BROOK, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990

  32. The Denis Savard Foundation

    EIN 272803928 · Headquarters: OAK BROOK, IL, USA · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990

  33. The Dr Upendra & Mrs Sonal Shah Muladhar Charitable Foundation

    EIN 364024786 · Headquarters: OAK BROOK, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. The Ewha Womans University Alumnae Association of North America

    EIN 364432998 · Headquarters: OAK BROOK, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. The Flow Foundation Inc

    EIN 852051584 · Headquarters: OAK BROOK, IL, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. The Foundation of the American Society of Neuroradiology

    EIN 364034440 · Headquarters: OAK BROOK, IL, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. The Four Minute Bible Ministry Inc

    EIN 824671248 · Headquarters: OAK BROOK, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. The Heart of Portillos Fund Inc

    EIN 850616287 · Headquarters: OAK BROOK, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. The Illinois Energy Conservation Authority NFP

    EIN 384080776 · Headquarters: Oak Brook, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. The King Family Foundation C/o Salt Creek Ventures Llc

    EIN 363991717 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. The Michael & Frances Halikias Charitable Trust

    EIN 367227832 · Headquarters: Oak Brook, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  42. The Nourishment Projects NFP

    EIN 882419370 · Headquarters: Oak Brook, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. The Stroud Foundation

    EIN 010793830 · Headquarters: Oak Brook, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  44. The Witz Family Foundation

    EIN 366047700 · Headquarters: Oak Brook, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  45. The Yung Hope Foundation

    EIN 832507984 · Headquarters: OAK BROOK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  46. Toastmasters International

    EIN 900956437 · Headquarters: Oak Brook, IL, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  47. Tony Romanelli Memorial Charity

    EIN 363971718 · Headquarters: OAK BROOK, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  48. Trinity Advocacy Guardians Nfp

    EIN 844039227 · Headquarters: oak brook, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Unite Here Health

    EIN 237385560 · Headquarters: Oak Brook, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Unite Here Legal Plan

    EIN 363344005 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. United Union of Roofers Waterproofers & Allied Workers

    EIN 363707395 · Headquarters: Oak Brook, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. United Union of Roofers Waterproofers and Allied Workers Local No 11

    EIN 360940360 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. United Way of DuPageWest Cook

    EIN 451534557 · Headquarters: Oak Brook, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990

  54. Veerammal Educational Corporation

    EIN 364402549 · Headquarters: Oak Brook, IL, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  55. Veluchamy Family Foundation

    EIN 020713918 · Headquarters: Oak Brook, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  56. Vibration Institute

    EIN 541757917 · Headquarters: Oak Brook, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  57. Vikram B Reddy Foundation Inc USA

    EIN 331218527 · Headquarters: Oak Brook, IL, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Warehousing Education & Research Council

    EIN 362933538 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  59. Wawa Organization of Chicago

    EIN 300884687 · Headquarters: Oak Brook, IL, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Wfnrs

    EIN 363961145 · Headquarters: Oak Brook, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Wilfried Wilke Scholarship Trust Fund C/o Arthur G Jaros Jr Trustee

    EIN 363053576 · Headquarters: OAK BROOK, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Women of Oak Brook

    EIN 991797492 · Headquarters: Oak Brook, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Worldhope Us Inc

    EIN 271456017 · Headquarters: OAK BROOK, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Xpx Chicago Inc

    EIN 814960178 · Headquarters: OAK BROOK, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Zonta Foundation for Women

    EIN 363396932 · Headquarters: OAK BROOK, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Zonta International

    EIN 352171618 · Headquarters: OAK BROOK, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Zonta International

    EIN 361999220 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Zonta International

    EIN 454497606 · Headquarters: Oak Brook, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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