Nonprofits in Illinois

Nonprofits in Illinois. Browse 87,324 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. Omicron Alumni Association

    EIN 376051476 · Headquarters: SAVOY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Omicron Chi Chapter Sigma Gamma Rho Sorority Inc

    EIN 912136333 · Headquarters: RICHTON PARK, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Omicron Corp of Gamma Phi Beta Sorority Inc

    EIN 370287230 · Headquarters: Urbana, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Omicron Delta Epsilon Intl Honor Society in Economics Inc

    EIN 742592981 · Headquarters: Jacksonville, IL, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  5. Omicron Delta Epsilon Intl Honor Society in Economics Inc

    EIN 742592984 · Headquarters: Bloomington, IL, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  6. Omicron Delta Epsilon Intl Honor Society in Economics Inc

    EIN 742593067 · Headquarters: Lake Forest, IL, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  7. Omicron Delta Epsilon Intl Honor Society in Economics Inc

    EIN 742593084 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  8. Omicron Delta Epsilon Intl Honor Society in Economics Inc

    EIN 911955160 · Headquarters: Edwardsville, IL, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  9. Omicron House Corporation Kappa Delta Sorority

    EIN 376049369 · Headquarters: Bourbonnais, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Omicron Kappa Upsilon Honorary Dental Society

    EIN 462173720 · Headquarters: Naperville, IL, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. Omicron Kappa Upsilon Sigma Chapter

    EIN 237156597 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  12. Omicron Kappa Upsilon-honorary Dental Society

    EIN 237347887 · Headquarters: Alton, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Omicron of Chi Omega Building Association

    EIN 376032151 · Headquarters: CHAMPAIGN, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Ominira Nfp

    EIN 334045537 · Headquarters: ROCKFORD, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Omni Business Services Inc

    EIN 363852768 · Headquarters: Rockford, IL, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  16. Omni U New Thought Development Centers-c/o Gloria Latimore-peace

    EIN 363580062 · Headquarters: FLOSSMOOR, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Omni Youth Services Incorporated

    EIN 362777027 · Headquarters: BUFFALO GROVE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Omnia Institute for Contextual Leadership

    EIN 362887286 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  19. Omnia Performing Arts Center

    EIN 542130065 · Headquarters: NAPERVILLE, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  20. Omniarts

    EIN 363915713 · Headquarters: PERU, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  21. Omnibus Society of America

    EIN 366112688 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Omnipotent Outreach Ministries

    EIN 010622807 · Headquarters: Chicago, IL, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  23. Omnis Rehabilitation

    EIN 990779049 · Headquarters: HIGHLAND PARK, IL, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Omron Foundation Inc

    EIN 363644055 · Headquarters: HOFFMAN ESTATES, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  25. Omukama of Bunyoro Foundation USA Nfp Corporation

    EIN 271848363 · Headquarters: Spring Valley, IL, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  26. On Angels Wings Inc

    EIN 260243934 · Headquarters: CRYSTAL LAKE, IL, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. On Behalf of My Child Project Nfp

    EIN 853447539 · Headquarters: Montgomery, IL, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  28. On Broadway Dancers

    EIN 363778933 · Headquarters: Coal City, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. On My Own-an Anti-discrimination an D Social Justice Education Outreac

    EIN 872331514 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. On Our Team

    EIN 872843559 · Headquarters: CHICAGO, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. On Point Foundation

    EIN 270748802 · Headquarters: Libertyville, IL, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  32. On Point Revival

    EIN 994376842 · Headquarters: WARSAW, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. On Target Recovery

    EIN 261833578 · Headquarters: Chicago, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  34. On the Altar Ministries Inc

    EIN 311701979 · Headquarters: Chicago, IL, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. On the Edge Ministries

    EIN 311501108 · Headquarters: Glen Ellyn, IL, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. On the Help Line Inc Bulldog Basketball Inc

    EIN 274280910 · Headquarters: WESTERN SPRINGS, IL, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990

  37. On the House Foundation

    EIN 522387103 · Headquarters: BARRINGTON, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  38. On the Move 5 Fold Ministries

    EIN 922998472 · Headquarters: NORTH AURORA, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. On the Move with Parks and Recreation

    EIN 844211692 · Headquarters: MORRISON, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. On the Road Classics Car Club

    EIN 364325635 · Headquarters: ANTIOCH, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. On the Road to Safe Driving

    EIN 474577204 · Headquarters: GRAYSLAKE, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  42. On the Waterfront Inc

    EIN 363318285 · Headquarters: ROCKFORD, IL, USA · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990

  43. On to Victory Ministries Inc

    EIN 300369408 · Headquarters: Peoria, IL, US · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  44. On Your Feet Foundation

    EIN 364460465 · Headquarters: EVANSTON, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. On-ramp Organization

    EIN 272230189 · Headquarters: Chicago, IL, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  46. Onarga Community Center

    EIN 371272830 · Headquarters: Onarga, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. Onarga Historical Society

    EIN 208209967 · Headquarters: Onarga, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Onarga Lions Club

    EIN 364478038 · Headquarters: Onarga, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Once Upon a Prayer

    EIN 814325065 · Headquarters: O FALLON, IL, USA · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  50. Once Upon a Time Foundation Inc

    EIN 452174081 · Headquarters: River Forest, IL, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  51. Once Upon Our Time Capsule

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

  52. Once You Choose Hope

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

  53. Oncology Nursing Society

    EIN 363959376 · Headquarters: Metamora, IL, US · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  54. Oncology Nursing Society - C393 East Central Illinois

    EIN 815139388 · Headquarters: Fisher, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  55. Ondo State Association of America

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

  56. One Accord Community Development Corporation

    EIN 320238400 · Headquarters: Springfield, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  57. One Acre Fund

    EIN 203668110 · Headquarters: HIGHLAND PARK, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. One Aim Illinois

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

  59. One Blue Pearl

    EIN 261801608 · Headquarters: Western Springs, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. One Body One Purpose

    EIN 461055759 · Headquarters: PEKIN, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. One Book One World

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

  62. One Break

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

  63. One by One

    EIN 204434900 · Headquarters: SCHAUMBURG, IL, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990

  64. 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

  65. One Chance Illinois - Action

    EIN 464994944 · Headquarters: Northbrook, IL, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990

  66. 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

  67. 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

  68. One Collective

    EIN 366069820 · Headquarters: ELGIN, IL, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. One Community

    EIN 834001862 · Headquarters: Glen Ellyn, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. One Course Foundation

    EIN 460821259 · Headquarters: Vernon Hills, IL, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  71. One Day at a Time Fitness Inc

    EIN 862946699 · Headquarters: Country Club Hills, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. 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

  73. One Digital Community Church Inc

    EIN 862379684 · Headquarters: Carpentersville, IL, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  74. One Direction Forward Inc

    EIN 383891885 · Headquarters: Matteson, IL, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. One Divot

    EIN 455192994 · Headquarters: Wheaton, IL, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  76. One Dream

    EIN 465553103 · Headquarters: Schaumburg, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. One Earth Collective

    EIN 471691970 · Headquarters: OAK PARK, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. One Family Chicago

    EIN 990540753 · Headquarters: LINCOLNWOOD, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. One Family Global Volunteering

    EIN 825029526 · Headquarters: Petersburg, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  80. One Family Illinois

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

  81. One Family Mission Inc

    EIN 814565529 · Headquarters: ROMEOVILLE, IL, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  82. One Family One Purpose

    EIN 455471924 · Headquarters: LA HARPE, IL, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. One Feeds Two USA

    EIN 830931848 · Headquarters: ELMHURST, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. One Fine Tune Foundation Nfp

    EIN 851755923 · Headquarters: Thornton, IL, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  85. One Flesh Ministries Inc

    EIN 611442754 · Headquarters: Glenwood, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. One for One Chicago

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

  87. One for the Kids

    EIN 364311480 · Headquarters: WESTERN SPRINGS, IL, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. One Future Illinois Nfp

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

  89. One Glove-one Love Chase Shott Memorial

    EIN 824893687 · Headquarters: ROSCOE, IL, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. One Goal Animal Foundation

    EIN 464172407 · Headquarters: Orland Park, IL, US · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  91. One Heart for Africa

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

  92. One Heart for Humanity Nfp

    EIN 920951805 · Headquarters: GLENVIEW, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. One Heart One Mind

    EIN 465752933 · Headquarters: BLOOMINGTON, IL, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. One Heart One Soul Coalition

    EIN 275440660 · Headquarters: Niles, IL, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. One Heart Uganda Incorporated

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

  96. 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

  97. One Hope Project Inc

    EIN 844952806 · Headquarters: BLOOMINGTON, IL, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. One Hope United

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

  99. One Hope United

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

  100. One Hope United

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

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