Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 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. Illinios Society of Professional Engineers

    EIN 363552937 · Headquarters: Crete, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Illinois 4-H House Association C/o Karen Rewerts

    EIN 376046465 · Headquarters: ST JOSEPH, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Illinois Academy of Audiology

    EIN 363976110 · Headquarters: BLOOMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Illinois Academy of Criminology

    EIN 363358750 · Headquarters: Lemont, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Illinois Academy of Family Physicians

    EIN 362150319 · Headquarters: BOLINGBROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  6. Illinois Academy of Nutrition and Dietetics

    EIN 370918772 · Headquarters: HENRY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Illinois Academy of Physician Associates

    EIN 363743028 · Headquarters: HIGHLAND PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Illinois Action for Behavioral Health Services & Children Inc

    EIN 852292413 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  9. Illinois Action for Children

    EIN 362712912 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Illinois Adult & Continuing Educators Association

    EIN 363018280 · Headquarters: CARLINVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Illinois Adult Day Services Association

    EIN 371113045 · Headquarters: Lisle, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Illinois African Violet Society

    EIN 463316981 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  13. Illinois Ahperd

    EIN 376031589 · Headquarters: LOMBARD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Illinois Aikido Club

    EIN 362557303 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Illinois Airport Maintenance Association

    EIN 471136204 · Headquarters: MATTOON, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Illinois Alcohol & Other Drug Abuse Professional Cert Association Inc

    EIN 363122841 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Illinois Alcoholism & Drug Dependence Association Dba Iabh

    EIN 237004938 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Illinois Alpha Omega Sigma Alpha Epsilon

    EIN 274305225 · Headquarters: Evanston, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  19. Illinois Arabian Horse Association

    EIN 371161181 · Headquarters: HUDSON, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Illinois Arborist Association Inc

    EIN 363239876 · Headquarters: Antioch, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. Illinois Archaeological Survey Incorporated University of Illinoi

    EIN 370840412 · Headquarters: Urbana, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Illinois Archery Association

    EIN 370962543 · Headquarters: Robinson, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Illinois Area Ymca

    EIN 362169196 · Headquarters: ROCKFORD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Illinois Art Therapy Association

    EIN 362884375 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Illinois Arts Action Coalition

    EIN 363166910 · Headquarters: Chicago IL, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Illinois Arts Alliance

    EIN 363177592 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Illinois Asphalt Pavement Association

    EIN 370730508 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Illinois Assoc for Home & Comm Educ

    EIN 376047389 · Headquarters: MARSHALL, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  29. Illinois Assoc for Supervision and Curriculum Development

    EIN 237010067 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Illinois Assoc of Agriculture Fairs

    EIN 370744040 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  31. Illinois Assoc of County Office Employees

    EIN 376044722 · Headquarters: LINCOLN, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Illinois Assoc of School Adminstrators

    EIN 376032851 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Illinois Association Chamber Commerce Executives

    EIN 366166429 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Illinois Association for Advancement of Archaeology

    EIN 237367638 · Headquarters: CHAMPAIGN, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Illinois Association for Career and Technical Education

    EIN 371004676 · Headquarters: ROMEOVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Illinois Association For Infant Mental Health CO Erikson Institute

    EIN 363149881 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Illinois Association for Institutional Research

    EIN 371184771 · Headquarters: Centralia, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Illinois Association for Pupil Transportation

    EIN 363271899 · Headquarters: Havana, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Illinois Association of Acupuncture and Oriental Medicine

    EIN 363241648 · Headquarters: ARLINGTON HTS, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Illinois Association of Aggregate Producers

    EIN 430919586 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Illinois Association of Area Agencies on Aging

    EIN 371242734 · Headquarters: Carterville, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Illinois Association of Chiefs of Police

    EIN 366108186 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Illinois Association of Community Action Agencies

    EIN 370956949 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Illinois Association of County Auditors and Finance Officers

    EIN 371145871 · Headquarters: Danville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Illinois Association of Court Clerks

    EIN 363989829 · Headquarters: LACON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Illinois Association of Disability Examiners

    EIN 473702631 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  47. Illinois Association of Fire Protection Districts

    EIN 362356303 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Illinois Association of Groundwater Professionals

    EIN 376031104 · Headquarters: Westerville, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Illinois Association of Healthcare Attorneys

    EIN 363018279 · Headquarters: Elmhurst, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  50. Illinois Association of Highway Engineers Schaumburg Chapter

    EIN 366108263 · Headquarters: PALATINE, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Illinois Association of Hispanic

    EIN 363666494 · Headquarters: Schaumburg, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Illinois Association of Hispanic State Employees Educational Fdtn

    EIN 363666495 · Headquarters: Countryside, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Illinois Association of Housing Authorities

    EIN 363215466 · Headquarters: Savanna, IL, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  54. Illinois Association of Junior High Student Counci

    EIN 363854617 · Headquarters: OREGON, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  55. Illinois Association of Licensed Terminal Operators

    EIN 465290311 · Headquarters: Hinsdale, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  56. Illinois Association of Local Environmental Health Administrator

    EIN 371097371 · Headquarters: Champaign, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Illinois Association of Meat Proces

    EIN 370986228 · Headquarters: PEARL CITY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Illinois Association of Minorities in Government

    EIN 371228448 · Headquarters: OAK PARK, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. Illinois Association of Municipal Management Assistants

    EIN 363117888 · Headquarters: DeKalb, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Illinois Association of Mutual Insu

    EIN 361252847 · Headquarters: OHLMAN, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Illinois Association of Nurse Anesthetists

    EIN 366107903 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Illinois Association of Plumbing Heating Cooling Contractors

    EIN 361256640 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Illinois Association of Quality Assurance Professionals

    EIN 363085754 · Headquarters: Pingree Grove, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  64. Illinois Association of Regional Councils

    EIN 362930415 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Illinois Association of Retired Firefighters

    EIN 371210332 · Headquarters: Canton, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Illinois Association of School Boards

    EIN 311540788 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Illinois Association of School Business Officials

    EIN 366165928 · Headquarters: DEKALB, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Illinois Association of School Nurses

    EIN 237010077 · Headquarters: Manteno, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Illinois Association of School Social Workers

    EIN 362934511 · Headquarters: TINLEY PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Illinois Association of Snowmobile Clubs Inc

    EIN 237444634 · Headquarters: Elburn, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  71. Illinois Association of Student Councils Educational Leadership Fo

    EIN 611567816 · Headquarters: Collinsville, IL, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  72. Illinois Association of Teacher Educators

    EIN 376166492 · Headquarters: JOLIET, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Illinois Association of Teachers of English To

    EIN 237380535 · Headquarters: ROLLING MEADOWS, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Illinois Association of Vocational Agriculture Teachers

    EIN 370918596 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Illinois Association of Wastewater Agencies

    EIN 371254431 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Illinois Association of Water Pollution Control Operators

    EIN 363281429 · Headquarters: HEYWORTH, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Illinois Association of Wholesale Distributors

    EIN 370813848 · Headquarters: Rochester, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Illinois Athletic Directors Association

    EIN 363171057 · Headquarters: Libertyville, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Illinois Athletic Trainers Association

    EIN 363225850 · Headquarters: Bolingbrook, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Illinois Automatic Merchandising C

    EIN 237003697 · Headquarters: NORTHBROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Illinois Automobile Insurance Plan

    EIN 366076571 · Headquarters: JOHNSTON, RI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Illinois Aviation Trades Association

    EIN 371044884 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  83. Illinois Ballot Integrity Project Mchenry County Chapter

    EIN 841891152 · Headquarters: Hebron, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  84. Illinois Bankers Association

    EIN 363215107 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Illinois Bankers Group Insurance Trust

    EIN 376082547 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Illinois Beach Sunrise Rotary Charitable Fund

    EIN 205989421 · Headquarters: Winhrop Harbor, IL, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  87. Illinois Beef Association Inc

    EIN 362734451 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  88. Illinois Bend Community Club Inc

    EIN 752156546 · Headquarters: Saint Jo, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Illinois Beta Association of Sigma Alpha Eplsion

    EIN 371251023 · Headquarters: Naperville, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Illinois Bitcoin Council

    EIN 392265559 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Illinois Britany Championship Association

    EIN 421721570 · Headquarters: carterville, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  92. Illinois Broadband & Cable Association

    EIN 370901237 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. Illinois Broadcasters Association MIP

    EIN 371231448 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  94. Illinois Business Financial Services

    EIN 371100487 · Headquarters: Peoria, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Illinois Cannabis Industry Association

    EIN 465711141 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  96. Illinois Capitol Kennel Club

    EIN 376047001 · Headquarters: SPRINGFIELD, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Illinois Casino Gaming Association

    EIN 371313333 · Headquarters: NORTHBROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Illinois Catholic Health Association

    EIN 370971268 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Illinois Caucus for Adolescent Health Inc

    EIN 363223988 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Illinois Ccim Chapter 14 Chicago Real Estate Board

    EIN 362934513 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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