Nonprofits in Oak Park, Illinois

Nonprofits in Oak Park, Illinois. Browse 495 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. Oak Park Athletic Club

    EIN 992258227 · Headquarters: Oak Park, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Oak Park Concert Chorale Inc

    EIN 363137689 · Headquarters: Oak Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Oak Park Council on International Affairs

    EIN 205121550 · Headquarters: Oak Park, IL, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  4. Oak Park Cycle Club

    EIN 320145129 · Headquarters: Oak Park, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Oak Park Economic Development Corp

    EIN 362788088 · Headquarters: OAK PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  6. Oak Park Education Foundation

    EIN 363488162 · Headquarters: OAK PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Oak Park Festival Theatre

    EIN 362868677 · Headquarters: Oak Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Oak Park Fiddle Camp

    EIN 464926102 · Headquarters: Oak Park, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Oak Park Fire Fighters Association

    EIN 237303721 · Headquarters: OAK PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  10. Oak Park Friends Community Inc

    EIN 833692611 · Headquarters: Oak Park, IL, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Oak Park Gymnastics Booster Club

    EIN 203779388 · Headquarters: Oak Park, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Oak Park Homebrewers

    EIN 394458349 · Headquarters: Oak Park, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Oak Park Ideas Worth Spreading

    EIN 830953881 · Headquarters: Oak Park, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Oak Park Jets Foundation

    EIN 834448855 · Headquarters: Oak Park, IL, US · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  15. Oak Park Mutual Aid Inc

    EIN 852240136 · Headquarters: Oak Park, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  16. Oak Park Our Whole Lives Nfp

    EIN 813143311 · Headquarters: Oak Park, IL, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Oak Park Regional Housing Center Inc

    EIN 237181388 · Headquarters: OAK PARK, IL, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Oak Park Residence Corporation

    EIN 362666771 · Headquarters: OAK PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Oak Park River Forest Chamber of Commerce

    EIN 361569110 · Headquarters: Oak Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Oak Park River Forest Civic Theatre

    EIN 366111532 · Headquarters: Oak Park, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Oak Park River Forest Concert Tour Assoc D/b/a Applause

    EIN 366215466 · Headquarters: OAK PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  22. Oak Park River Forest Infant Welfare S

    EIN 369002074 · Headquarters: Oak Park, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Oak Park River Forest Youth Footbal Oak Park River Forest Youth Footbal

    EIN 352229029 · Headquarters: OAK PARK, IL, USA · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  24. Oak Park Society of Model Engineers

    EIN 261974433 · Headquarters: Oak Park, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Oak Park Windmills

    EIN 363955141 · Headquarters: Oak Park, IL, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Oak Park Womens Guild

    EIN 710961801 · Headquarters: OAK PARK, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Oak Park-river Forest Community Foundation

    EIN 364150724 · Headquarters: OAK PARK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Obadiah Browns Benevolent Fund

    EIN 056016302 · Headquarters: Oak Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. One Earth Collective

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

  30. One Life to Live

    EIN 852192185 · Headquarters: Oak Park, IL, US · Housing & Shelter · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. Operation Fam Nfp

    EIN 464210016 · Headquarters: Oak Park, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Operation Overlord

    EIN 263395656 · Headquarters: Oak Park, IL, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  33. Oprf Alliance Sc

    EIN 320387470 · Headquarters: OAK PARK, IL, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  34. Oprf High School Hockey Club

    EIN 474828218 · Headquarters: OAK PARK, IL, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Organization for Ethical Source

    EIN 874467139 · Headquarters: Oak Park, IL, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Organization of Women in International Trade - Chicago

    EIN 261476371 · Headquarters: Oak Park, IL, US · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. Oriana Singers

    EIN 363090556 · Headquarters: Oak Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Ortus Foundation

    EIN 883313403 · Headquarters: Oak Park, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  39. Oscar D Johnson Senior Memorial Fund

    EIN 934866389 · Headquarters: Oak Park, IL, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  40. Our Future Reads Incorporated

    EIN 863511807 · Headquarters: Oak Park, IL, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Out with Purpose

    EIN 363678222 · Headquarters: OAK PARK, IL, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Owens Cook Thomas Education Fund

    EIN 923076256 · Headquarters: Oak Park, IL, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Parenthesis Inc

    EIN 363083195 · Headquarters: OAK PARK, IL, USA · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990

  44. Parents Against Child Sex Abuse Dba Kids Too

    EIN 822985911 · Headquarters: OAK PARK, IL, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Parks Foundation of Oak Park

    EIN 454009019 · Headquarters: OAK PARK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Partners Bridging the Digital Divide Inc

    EIN 473424954 · Headquarters: Oak Park, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Patrick and Anna M Cudahy Fund

    EIN 390991972 · Headquarters: Oak Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. PCC Community Wellness Center

    EIN 363828320 · Headquarters: Oak Park, IL, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Pcc Foundation

    EIN 475608703 · Headquarters: OAK PARK, IL, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Peki Union North America-puna

    EIN 770609710 · Headquarters: OAK PARK, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Percy Julian School Parent Teacher Organization

    EIN 911885205 · Headquarters: OAK PARK, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Perioperative Medical Education Nfp

    EIN 462221156 · Headquarters: OAK PARK, IL, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990

  53. Pflag Oak Park Area

    EIN 331126114 · Headquarters: Oak Park, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Phillip C & Beverly Goldstick Family Foundation

    EIN 363918397 · Headquarters: OAK PARK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. PING Providing Instruments For The Next Generation

    EIN 208476094 · Headquarters: Oak Park, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Pita Community Nfp

    EIN 301349074 · Headquarters: Oak Park, IL, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Play Ball Like a Girl Inc

    EIN 994434609 · Headquarters: Oak Park, IL, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Pleasant Home Foundation

    EIN 363739646 · Headquarters: OAK PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  59. Pro Bono Network

    EIN 455235909 · Headquarters: OAK PARK, IL, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Pro Musica Youth Chorus

    EIN 363738199 · Headquarters: Oak Park, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Professional Womens Club of Chicago

    EIN 364238788 · Headquarters: Oak Park, IL, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Progress Analystics Institute

    EIN 201097831 · Headquarters: Oak Park, IL, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  63. Project Unity

    EIN 363909617 · Headquarters: Oak Park, IL, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  64. Pure Athlete Nfp

    EIN 871764907 · Headquarters: OAK PARK, IL, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Purses and Pockets with a Purpose Inc

    EIN 611589953 · Headquarters: Oak Park, IL, US · International, Foreign Affairs & National Security · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  66. Race Conscious Dialogues

    EIN 833130529 · Headquarters: Oak Park, IL, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Radiant Vessels Community Services

    EIN 873126640 · Headquarters: Oak Park, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Recruitment Agency Association

    EIN 364534188 · Headquarters: Oak Park, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  69. Refined and Refreshed Inc Nfp

    EIN 853962083 · Headquarters: Oak Park, IL, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Rehab Assistance

    EIN 871910172 · Headquarters: OAK PARK, IL, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Reimagine Justice Illinois

    EIN 821986050 · Headquarters: Oak Park, IL, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Religious Coalition for Reproductive Choice of Illinois

    EIN 363585642 · Headquarters: Oak Park, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  73. Rescueber

    EIN 843481026 · Headquarters: Oak Park, IL, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Restoring Order in Our Community Nfp

    EIN 010940003 · Headquarters: Oak Park, IL, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Resurgam

    EIN 332405372 · Headquarters: Oak Park, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Retrouvaille of North Central Region Nfp

    EIN 364422676 · Headquarters: Oak Park, IL, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Road Runners Club of America

    EIN 363168203 · Headquarters: Oak Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Road Runners Club of America

    EIN 921367069 · Headquarters: Oak Park, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Roses4austin

    EIN 822790624 · Headquarters: OAK PARK, IL, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  80. Rotary Club - Oak Parkriver Forest

    EIN 366110059 · Headquarters: OAK PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Russell and Josephine Kott Memorial Charitable Trust

    EIN 597229565 · Headquarters: OAK PARK, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. Russell C Page Charitable Tr

    EIN 320062729 · Headquarters: Oak Park, IL, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Sakiyama Family Foundation

    EIN 954736726 · Headquarters: Oak Park, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. Save a Dog

    EIN 364280544 · Headquarters: OAK PARK, IL, USA · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  85. Schola Antiqua of Chicago Foundation

    EIN 364406594 · Headquarters: Oak Park, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. Science Research 20

    EIN 854344976 · Headquarters: OAK PARK, IL, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Second Faith Temple Community Outreach

    EIN 364393878 · Headquarters: Oak Park, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Senior Citizens Center of Oak Park & River Forest

    EIN 362494488 · Headquarters: Oak Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Sense of Urgency Productions Inc

    EIN 364302216 · Headquarters: Oak Park, IL, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  90. Sepheid

    EIN 994557256 · Headquarters: Oak Park, IL, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Seraj Library Project

    EIN 208321676 · Headquarters: OAK PARK, IL, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Seven Generations Ahead

    EIN 364437661 · Headquarters: OAK PARK, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Sexuality and Gender Alliance of Actuaries Inc

    EIN 854169129 · Headquarters: OAK PARK, IL, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Shawchicago Theater Co

    EIN 364329355 · Headquarters: OAK PARK, IL, USA · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990

  95. Shawnash Institute Inc

    EIN 264796567 · Headquarters: Oak Park, IL, US · Food, Agriculture & Nutrition · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  96. She Influences

    EIN 850702252 · Headquarters: oak park, IL, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  97. Shem Center for Interfaith Spirituality

    EIN 364033553 · Headquarters: Oak Park, IL, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Silverhead

    EIN 820864531 · Headquarters: OAK PARK, IL, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  99. Sisterhouse

    EIN 363789475 · Headquarters: OAK PARK, IL, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Slowfire Arts Foundation

    EIN 882104371 · Headquarters: Oak Park, IL, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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