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. Once Upon Our Time Capsule

    EIN 883477844 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. Once You Choose Hope

    EIN 412586757 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Ondo State Association of America

    EIN 030539314 · Headquarters: Chicago, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. One Aim Illinois

    EIN 823786602 · Headquarters: Chicago, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. One Book One World

    EIN 863586729 · Headquarters: CHICAGO, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. One Break

    EIN 810888303 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  7. One Cell at a Time Nonprofit

    EIN 882330946 · Headquarters: Chicago, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. One Chicago Community Development Corporation Foundation

    EIN 923292484 · Headquarters: CHICAGO, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. One Church One School Community Partnership

    EIN 311513803 · Headquarters: CHICAGO, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. One Day at a Time Ministries Inc

    EIN 853325434 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. One Family Illinois

    EIN 363599110 · Headquarters: CHICAGO, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. One for One Chicago

    EIN 261240877 · Headquarters: CHICAGO, IL, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. One Future Illinois Nfp

    EIN 994447889 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. One Heart for Africa

    EIN 383737758 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  15. One Heart Uganda Incorporated

    EIN 475262711 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. One Hellas Ellas Foundation

    EIN 300774179 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  17. One Hope United

    EIN 331051751 · Headquarters: Chicago, IL, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990

  18. One Hope United

    EIN 362181967 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. One Hope United

    EIN 471311667 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. One Hope United - Florida Region

    EIN 542082539 · Headquarters: Chicago, IL, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990

  21. One Hour for Life Inc

    EIN 453817679 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  22. One Illinois Media Group NFP

    EIN 824449790 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. One Last Race

    EIN 475051561 · Headquarters: Chicago, IL, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  24. One Lawndale Arts & Activism Incubator

    EIN 994288801 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. One Lawndale Childrens Discovery Center

    EIN 992651393 · Headquarters: Chicago, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. One Million Degrees

    EIN 421710230 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. One Million Small Startups Incorporated

    EIN 881253404 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  28. One Olive Organization

    EIN 993403717 · Headquarters: CHICAGO, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. One on One

    EIN 472715039 · Headquarters: CHICAGO, IL, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. One Patient - Global Health Initiative Ltd

    EIN 273250333 · Headquarters: CHICAGO, IL, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. ONE Peoples Campaign

    EIN 823982666 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. One Roof Chicago

    EIN 833495607 · Headquarters: Chicago, IL, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. One Savvy Veteran

    EIN 470996801 · Headquarters: chicago, IL, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  34. One Solution Foundation Inc

    EIN 814030534 · Headquarters: Chicago, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. One Step at a Time Job Referral Inc

    EIN 251922022 · Headquarters: CHICAGO, IL, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. One Step Beyound Community Advocacy

    EIN 815183229 · Headquarters: CHICAGO, IL, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. One Stock One Future

    EIN 812829160 · Headquarters: Chicago, IL, US · Youth Development · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  38. One Stop Beauty Foundation

    EIN 862439991 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  39. One Tail at a Time Nfp

    EIN 262125306 · Headquarters: CHICAGO, IL, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. One Two Foundation

    EIN 371525417 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  41. One United Community Inc

    EIN 991506366 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. One Village Nfp

    EIN 364505401 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  43. One Way Family Life Center

    EIN 364382479 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. One World Network of Schools

    EIN 880966029 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. One Year for Earth

    EIN 923006765 · Headquarters: CHICAGO, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Onechicagofund

    EIN 454661737 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Oneledgr Nfp

    EIN 392522840 · Headquarters: Chicago, IL, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Oniac Foundation

    EIN 364115823 · Headquarters: CHICAGO, IL, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Onward Neighborhood House

    EIN 362167822 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Onyx Midwest Inc

    EIN 830949203 · Headquarters: Chicago, IL, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  51. Onyx Skilled Trades Union Local 79

    EIN 862319317 · Headquarters: Chicago, IL, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Onyx360 Nfp Corporation

    EIN 932723108 · Headquarters: Chicago, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  53. Oodu Imperial Foundation

    EIN 824826099 · Headquarters: Chicago, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Oops Education

    EIN 844709959 · Headquarters: Chicago, IL, US · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  55. Oou Alumni North America Chapter

    EIN 475105823 · Headquarters: Chicago, IL, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Open Arms Ministry

    EIN 611795433 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Open Books

    EIN 204830666 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Open Cage Ensemble Nfp

    EIN 300195402 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  59. Open Center for the Arts

    EIN 383936972 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  60. Open Door Outreach Center

    EIN 901016581 · Headquarters: CHICAGO, IL, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Open Eyes Inc

    EIN 464248701 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Open Hand Studios Nfp

    EIN 262260267 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Open Hands Child and Family Services Corporation

    EIN 873549527 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Open Heart Faith Gathering Inc

    EIN 834467355 · Headquarters: Chicago, IL, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  65. Open Heart Magic

    EIN 270095889 · Headquarters: Chicago, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Open House Charitable Foundation

    EIN 844095628 · Headquarters: CHICAGO, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Open Space Arts

    EIN 853992959 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Open the Circle

    EIN 822527647 · Headquarters: Chicago, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Open to the Public

    EIN 364285710 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  70. Open Weathers Lab Nfp

    EIN 815178520 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  71. Open Young Eyes Community Youth Corporation

    EIN 463605682 · Headquarters: Chicago, IL, US · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  72. Openict Foundation

    EIN 263367868 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  73. Openlands

    EIN 362649603 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Openmic Health

    EIN 272359935 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  75. Opensource Art

    EIN 204588913 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  76. Opera Cabal Performing Arts Association Nfp

    EIN 271429523 · Headquarters: Chicago, IL, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  77. Opera Festival of Chicago

    EIN 842527440 · Headquarters: CHICAGO, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Opera-matic Nfp

    EIN 244199193 · Headquarters: CHICAGO, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Operation Asha Nfp C/o Rob Webster

    EIN 203852112 · Headquarters: CHICAGO, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990

  80. Operation Basketball Foundation

    EIN 364407941 · Headquarters: CHICAGO, IL, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Operation Brotherhood

    EIN 362825940 · Headquarters: CHICAGO, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Operation Care Nfp

    EIN 611533249 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Operation Change Chicago

    EIN 352488962 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  84. Operation Get It Done Inc

    EIN 463069498 · Headquarters: CHICAGO, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  85. Operation H E L P P Nfp Inc

    EIN 203347535 · Headquarters: Chicago, IL, US · Crime & Legal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  86. Operation Holiday Drive Nfp

    EIN 832440348 · Headquarters: CHICAGO, IL, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  87. Operation Homefront Illinois

    EIN 342021474 · Headquarters: CHICAGO, IL, USA · Housing & Shelter · Latest available filing year: 2010 · Primary form: IRS Form 990

  88. Operation Homelink Nfp

    EIN 912186796 · Headquarters: Chicago, IL, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  89. Operation Neighborhood Safety

    EIN 871854414 · Headquarters: Chicago, IL, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Operation Peace Inc

    EIN 812014268 · Headquarters: CHICAGO, IL, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. Operation Rallypoint Nfp Inc

    EIN 991684315 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Operation Shining Star C/o Timothy Gilroy Us Secret Service

    EIN 743069602 · Headquarters: CHICAGO, IL, USA · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  93. Operation Veteran Success

    EIN 934386798 · Headquarters: CHICAGO, IL, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Operation Welcome Homes Inc

    EIN 611503797 · Headquarters: Chicago, IL, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  95. Operation Young Santa

    EIN 994336910 · Headquarters: Chicago, IL, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Opeyemi Philanthropic Organization Nfp

    EIN 834189736 · Headquarters: Chicago, IL, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. Opm Education Inc

    EIN 272884718 · Headquarters: CHICAGO, IL, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990

  98. Oppenheimer&haas Xxxxx1004

    EIN 136013101 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  99. Opportunity Inc

    EIN 611748401 · Headquarters: CHICAGO, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Opportunity Transformation Investments Inc

    EIN 364382506 · Headquarters: CHICAGO, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990

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