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. Ohio Coin Laundry Association

    EIN 203143123 · Headquarters: Oakbrook Terrace, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  2. Ohio Gamma Chapter of Sigma Alpha Epsilon Fraternity

    EIN 880674899 · Headquarters: Evanston, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Ohio Grove Cemetery Assn

    EIN 366076473 · Headquarters: Sycamore, IL, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  4. Ohio Lambda Chapter of Sigma Alpha Epsilon Fraternity

    EIN 340761963 · Headquarters: Evanston, IL, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. Ohio Quisecentennial Corporation

    EIN 421532335 · Headquarters: Ohio, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Ohio River Region Society of Endocrinologists Inc

    EIN 208498169 · Headquarters: SCHAUMBURG, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Ohio River Scenic Byway Inc Nfp

    EIN 352217677 · Headquarters: ROSICLARE, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Ohio River Youth Service Network Inc

    EIN 371171074 · Headquarters: GOLCONDA, IL, USA · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990

  9. Ohio School Foundation

    EIN 421531818 · Headquarters: Ohio, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Ohio State University Alumni Association Inc

    EIN 311484757 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  11. Ohio Tau Chapter of Sigma Alpha Epsilon Fraternity

    EIN 833782624 · Headquarters: EVANSTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Ohio Theta Chapter of Sigma Alpha Epsilon Fraternity

    EIN 311345461 · Headquarters: Evanston, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Ohio Urological Society Inc

    EIN 341691517 · Headquarters: EAST DUNDEE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Ohio Windmillers

    EIN 473090232 · Headquarters: Princeton, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  15. Ohjoy Foundation Nfp

    EIN 934198449 · Headquarters: COUNTRY CLUB HILLS, IL, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Ohlman Evangelical Cemetery Association

    EIN 376044993 · Headquarters: PANA, IL, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. OHS Band Boosters Inc

    EIN 813436348 · Headquarters: Oswego, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Ohs Class of 2014

    EIN 383952305 · Headquarters: okawville, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  19. Ohum Nfp

    EIN 262333553 · Headquarters: Naperville, IL, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  20. Oikonomos Foundation

    EIN 413305520 · Headquarters: Montgomery, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Oil Lamp Theater Nfp

    EIN 454791301 · Headquarters: GLENVIEW, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Oil O Joy House

    EIN 522458082 · Headquarters: South Holland, IL, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  23. Oil Painters of America

    EIN 363789172 · Headquarters: Crystal Lake, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Oistrakh Symphony of Chicago

    EIN 562549263 · Headquarters: NORTHBROOK, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  25. Ojala Foundation

    EIN 825330324 · Headquarters: BERWYN, IL, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Oka Descendants Union of North America

    EIN 263377330 · Headquarters: Chicago, IL, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Okaw Valley Academic Foundation

    EIN 371339350 · Headquarters: Bethany, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  28. Okaw Valley Amateur Radio Club Inc

    EIN 371146086 · Headquarters: GREENVILLE, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Okaw Valley Baseball Commission Inc

    EIN 030379239 · Headquarters: Bethany, IL, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Okaw Valley Parent Teacher Organization Inc

    EIN 475544486 · Headquarters: Bethany, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  31. Okawville Agricultural Products Fair Association Inc

    EIN 376044955 · Headquarters: Addieville, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Okawville Business Assn Inc

    EIN 237453026 · Headquarters: OKAWVILLE, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Okawville Community Club Inc

    EIN 370706801 · Headquarters: OKAWVILLE, IL, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Okawville Community Youth Association Incorporated

    EIN 376057673 · Headquarters: Oakdale, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Okawville Pto Inc

    EIN 832128722 · Headquarters: Okawville, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Okawville Village Library

    EIN 371336132 · Headquarters: Okawville, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Okay Cycle Club

    EIN 874472787 · Headquarters: Chicago, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Okaykay Family Foundation Nfp

    EIN 991761559 · Headquarters: WAUCONDA, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Okeeffe Alumni

    EIN 364804932 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  40. Okigbo-okpara Tr Fund

    EIN 776206087 · Headquarters: Evergreen Park, IL, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Okigwe Education and Cultural Organization of Chicago

    EIN 471430360 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Oklahoma City University Employees Medical Plan Tr-bhem Affil Instit

    EIN 366795526 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  43. Oklahoma State Urological Association

    EIN 912066489 · Headquarters: SCHAUMBURG, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Okodwela NFP

    EIN 833580338 · Headquarters: Glenview, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Oktoberfest of Belleville Illinoisinc

    EIN 371329899 · Headquarters: BELLEVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  46. Ola Mae Wilson Queen Production Inc

    EIN 900828274 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  47. Ola-jua Inc

    EIN 208010354 · Headquarters: Chicago, IL, US · Youth Development · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  48. Olabisi Bakare Memorial Foundation Nfp

    EIN 834472962 · Headquarters: CHICAGO, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Oladapo Onass Foundation

    EIN 832679425 · Headquarters: GILBERTS, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Oladunni Foundation Nfp

    EIN 831378572 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Olaolaide Foundation Nfp

    EIN 822881925 · Headquarters: CHICAGO, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Olc Foundation

    EIN 812223822 · Headquarters: ROSEMONT, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Old Camp Ground Cemetery Nfp

    EIN 811312896 · Headquarters: Keyesport, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Old Capitol Foundation

    EIN 371400797 · Headquarters: VANDALIA, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Old Chapter Ii of the Affordable Housing Preservation Foundation

    EIN 841173585 · Headquarters: CHICAGO, IL, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Old Concord Cemetery Assc

    EIN 376050021 · Headquarters: neoga, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Old Country Road Recovery Nfp Inc

    EIN 394881167 · Headquarters: Virden, IL, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Old County Farm Foundation Inc

    EIN 833766876 · Headquarters: SHELDON, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Old Covenanter Cemetery Assn of Raccoon Township Marion County Ill

    EIN 376049885 · Headquarters: Walnut Hill, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. Old Depot Nfp

    EIN 873480714 · Headquarters: Jonesboro, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. Old Du Quoin Cemetery Association

    EIN 376042894 · Headquarters: DU QUOIN, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Old Edgebrook Historical Society

    EIN 900518819 · Headquarters: CHICAGO, IL, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  63. Old Elm Club

    EIN 361576910 · Headquarters: HIGHLAND PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Old Elm Scholarship Foundation

    EIN 237399476 · Headquarters: HIGHLAND PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Old Enterprise Foundation

    EIN 371415792 · Headquarters: LEBANON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  66. Old Glory Club Human Development Fund

    EIN 392862072 · Headquarters: Chicago, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Old Gold Basketball Association

    EIN 364349015 · Headquarters: Chicago, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Old Holy Resurrection Church

    EIN 203702099 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-T

  69. Old House Society

    EIN 371104501 · Headquarters: BLOOMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  70. Old Irving Park Association

    EIN 363252882 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Old Irving Park Community Clinic

    EIN 331164946 · Headquarters: Chicago, IL, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  72. Old Kings Orchard Community Center Inc

    EIN 311646894 · Headquarters: DECATUR, IL, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Old Neighborhood Italian American Club

    EIN 363204302 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Old Neighborhood Rehab Inc C/o Fletcher Farrar Jr

    EIN 371299290 · Headquarters: SPRINGFIELD, IL, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  75. Old Oak Brook Polo Club Inc

    EIN 611471079 · Headquarters: BURR RIDGE, IL, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  76. Old Orland Heritage Foundation

    EIN 363895725 · Headquarters: ORLAND PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Old People's Home of the City of Chicago

    EIN 204057089 · Headquarters: CHICAGO, IL, USA · Housing & Shelter · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  78. Old Route 66 Roadhouse Ranch

    EIN 852227045 · Headquarters: Granite City, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  79. Old Ruff Cemetery Tr

    EIN 477066935 · Headquarters: Marion, IL, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Old Settlers Assoc of Hillsboro

    EIN 376047237 · Headquarters: HILLSBORO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. Old Settlers Days

    EIN 363283808 · Headquarters: rockton, IL, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  82. Old Six Mile Historical Society

    EIN 371104314 · Headquarters: Granite City, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Old State Capitol Foundation

    EIN 371294171 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Old Stonington Cemetery Assocation

    EIN 370731051 · Headquarters: Stonington, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Old Time Music Preservation Association Inc Ompa

    EIN 371286977 · Headquarters: Bradley, IL, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  86. Old Timers Baseball Association of Peoria Illinois

    EIN 237367004 · Headquarters: Washington, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Old Town Merchants & Residents Assoc

    EIN 363236430 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Old Town Neighborhood Foundation

    EIN 471747480 · Headquarters: Chicago, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Old Town Preservation Association of Danville

    EIN 371283177 · Headquarters: DANVILLE, IL, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. Old Town School of Folk Music

    EIN 362373635 · Headquarters: CHICAGO, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Old Town Teachers Organization

    EIN 842121948 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Old Town Triangle Association

    EIN 362336401 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Old Wicker Park Committee

    EIN 362952928 · Headquarters: Chicago, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Old Willow Club

    EIN 362430411 · Headquarters: NORTHFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Olde Towne Historic District

    EIN 371320749 · Headquarters: Peoria, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  96. Older Americans of Knox Inc

    EIN 371086241 · Headquarters: Galesburg, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Older Womens League

    EIN 363705107 · Headquarters: CHICAGO, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  98. Older Womens League

    EIN 364174922 · Headquarters: CHICAGO, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  99. Oldowan Ranch Inc

    EIN 851392033 · Headquarters: Belleville, IL, US · Crime & Legal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  100. Ole Tymers Chicago Fire Fighters and Paramedics

    EIN 383782341 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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