Nonprofits in Chicago, Illinois

Nonprofits in Chicago, Illinois. Browse 21,446 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 Society for Experimental Hematology

    EIN 237282003 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. International Society for Heart & Lung Transplantation

    EIN 363142246 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. International Society for Holter and Noninvasive Electrocardiology

    EIN 161477014 · Headquarters: Chicago, IL, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. International Society for the Study of Self Injury

    EIN 275257279 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  5. International Society of Absolute Enpowerment

    EIN 371591674 · Headquarters: chicago, IL, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  6. International Society of Bone Morphometry Inc

    EIN 611281418 · Headquarters: Chicago, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. International Society of Cosmetic Laser Surgeons Inc

    EIN 330505696 · Headquarters: Chicago, IL, US · Medical Research · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  8. International Society of Gynecological Pathologists

    EIN 411329309 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. International Society of Hair Surgeons

    EIN 710738276 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. International Society of Inflammation and Allergy of the No

    EIN 994778088 · Headquarters: CHICAGO, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. International Society of Psychoneuroendo Crinology Inc

    EIN 942902673 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. International Society of Sons and Daughters of Slave Ancestry

    EIN 364132277 · Headquarters: CHICAGO, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. International Society of Surgery Us Chapter

    EIN 363092021 · Headquarters: Chicago, IL, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. International Society of Transport Aircraft Trading

    EIN 521304567 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. International Society of Transport Aircraft Trading Foundation

    EIN 541742507 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. International Special Education Services Inc

    EIN 161472055 · Headquarters: Chicago, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. International Special Events Society

    EIN 263665576 · Headquarters: Chicago, IL, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  18. International Special Events Society

    EIN 352256044 · Headquarters: Chicago, IL, US · International, Foreign Affairs & National Security · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  19. International Star League

    EIN 462076107 · Headquarters: CHICAGO, IL, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  20. International Stevenson Foundation Inc

    EIN 270065207 · Headquarters: Chicago, IL, US · Crime & Legal Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  21. International Students Educational Initiative Corp

    EIN 884156592 · Headquarters: Chicago, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. International Sunday School

    EIN 900142567 · Headquarters: Chicago, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. International Tibetan Independence Movement

    EIN 351935813 · Headquarters: CHICAGO, IL, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. International Trade Association of Greater Chicago

    EIN 363017446 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  25. International Trade Club of Chicago

    EIN 362081145 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. International Training in Communication

    EIN 710888536 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  27. International Transplant Nurses Society

    EIN 465677635 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  28. International Transplant Nurses Society Inc

    EIN 201589538 · Headquarters: Chicago, IL, USA · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990

  29. International Union of Operating Engineers Local 399 Building Corp

    EIN 205124336 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. International Union of Operating Engineers Local 399 Building Corp Ii

    EIN 320440106 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. International Union of Operating Engineers Local 399 Health & Welfare Tru

    EIN 366198426 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. International Union of Operating Engineers Local No 399

    EIN 361265730 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. International Union of Painters and Allied Trades - Local 521

    EIN 360843838 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. International Union UAW Local 3212

    EIN 412162899 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. International Union UAW LOCAL 551

    EIN 361082223 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. International Valuation Standards Council

    EIN 201290173 · Headquarters: CHICAGO, IL, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. International Visitors Center of Chicago

    EIN 362406639 · Headquarters: Chicago, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. International Visual Sociology Association Inc

    EIN 043405032 · Headquarters: CHICAGO, IL, USA · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. International Voices Project

    EIN 851105393 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. International Volunteer Network of Chicago

    EIN 264487403 · Headquarters: Chicago, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  41. 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

  42. International Women Associates Inc

    EIN 364049670 · Headquarters: Chicago, IL, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. 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

  44. International Word Outreach Ministries Inc

    EIN 364477841 · Headquarters: Chicago, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  45. Internationl Transplant Nurses Society

    EIN 223894568 · Headquarters: Chicago, IL, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  46. Intersection

    EIN 611795176 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. Intervention Instruction Inc

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

  48. Intervention Place Community Services Inc

    EIN 472016353 · Headquarters: CHICAGO, IL, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  49. Intervivos Foundation

    EIN 464018328 · Headquarters: CHICAGO, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Intimate Opera Inc

    EIN 364477750 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  51. 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

  52. Intl Assoc of Conference Centers Inc - Americas

    EIN 133076803 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Intl Association of Conference Centres

    EIN 431741316 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Intl Brotherhood of Teamsters Local

    EIN 364134447 · Headquarters: CHICAGO, IL, USA · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  55. Intl Consultation on Aberrance and Addiction

    EIN 043651561 · Headquarters: Chicago, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  56. Intl Human Development and Upliftment Academy

    EIN 421402094 · Headquarters: CHICAGO, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. Intl Union of Operating Engineers Local 399 Health Reimbursement Account Plan

    EIN 471259234 · Headquarters: CHICAGO, IL, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. 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

  59. Intonation Music Workshop

    EIN 260799250 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Intransit Empowerment Project

    EIN 453948184 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  61. Intrapsychic Humanism Society

    EIN 043658680 · Headquarters: Chicago, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Intrigue Performance Dance Company

    EIN 821006671 · Headquarters: chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  63. Intrinsic Schools

    EIN 455454261 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Intrinsic Theatre Company Corporation

    EIN 832129450 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Introspect Services Inc

    EIN 363485582 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Introspect Youth Services Inc

    EIN 362931208 · Headquarters: Chicago, IL, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Intrsct

    EIN 204544729 · Headquarters: CHICAGO, IL, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  68. IntuitCenter for IntuitiveOutsider Art

    EIN 363772452 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Inuit Art Society

    EIN 611461264 · Headquarters: CHICAGO, IL, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Invest for Kids Inc

    EIN 270826182 · Headquarters: Chicago, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Investigative Project on Race & Equity

    EIN 881422150 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Investing in Communities Foundation

    EIN 861492441 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. Invictus Theatre

    EIN 815144072 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Invisible Book Bag Inc

    EIN 830560655 · Headquarters: CHICAGO, IL, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Invisible Institute

    EIN 473551981 · Headquarters: Chicago, IL, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. Invisible Man Nfp

    EIN 331554220 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Invisible Wounds Foundation

    EIN 874071937 · Headquarters: Chicago, IL, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Invox Nfp

    EIN 263149065 · Headquarters: CHICAGO, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. InZone Project

    EIN 825229016 · Headquarters: Chicago, IL, USA · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990

  80. Iohcs Inc

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

  81. Iota Chapter of Omega Psi Phi Fraternity

    EIN 237043752 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Iota Foundation

    EIN 200184846 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  83. 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

  84. Iota Sigma Pi

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

  85. Iota Sigma Pi

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

  86. Iota Sigma Pi

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

  87. Iota Sigma Pi

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

  88. Iota Sigma Pi

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

  89. Iota Sigma Pi

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

  90. Iota Sigma Pi

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

  91. Iota Sigma Pi

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

  92. Iota Sigma Pi

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

  93. Iowa Beta Alumni Association

    EIN 421495454 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. 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

  95. 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

  96. IPERS 34 South Bedford Road Inc

    EIN 260546181 · Headquarters: Chicago, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990

  97. IPERS 510 Marquette Inc

    EIN 611936159 · Headquarters: Chicago, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. IPERS 7400 Hazard Avenue - CA Inc

    EIN 205862268 · Headquarters: Chicago, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990

  99. IPERS BreaGolden State Business Parks Inc

    EIN 943278776 · Headquarters: Chicago, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. IPERS Cedar Hill Inc

    EIN 943364939 · Headquarters: Chicago, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990

First page and all pages