Unknown & Unclassified nonprofits in Illinois

Unknown & Unclassified nonprofits in Illinois. Browse 25,013 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. Illinois Reading Council Inc

    EIN 366134969 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Illinois Reading Council Inc

    EIN 366134970 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Illinois Reading Council Inc

    EIN 366134972 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Illinois Reading Council Inc

    EIN 366134980 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Illinois Reading Council Inc

    EIN 371028485 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Illinois Reading Council Inc

    EIN 371283791 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Illinois Reading Council Inc

    EIN 376053589 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Illinois Reading Council Inc

    EIN 376053590 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Illinois Reading Council Inc

    EIN 376053591 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Illinois Reading Council Inc

    EIN 376053592 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Illinois Reading Council Inc

    EIN 376053593 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Illinois Reading Council Inc

    EIN 376061737 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Illinois Ready Mixed Concrete Association

    EIN 371003241 · Headquarters: Normal, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Illinois Realtors

    EIN 370644545 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Illinois Recycling Association

    EIN 363130755 · Headquarters: Geneva, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Illinois Regional Insulation Contractors Association

    EIN 362655851 · Headquarters: SCHAUMBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Illinois Renewable Fuels Association

    EIN 270735127 · Headquarters: BLOOMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Illinois Resident Assistant Association

    EIN 473022574 · Headquarters: MACOMB, IL, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  19. Illinois Restaurant Association

    EIN 360904760 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Illinois Retail Merchants Association

    EIN 362352996 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Illinois Retired Teachers Association Foundation Inc

    EIN 371183315 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. Illinois Right to Life Action

    EIN 237372314 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Illinois Road and Transportation Builders Association

    EIN 361257695 · Headquarters: ITASCA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Illinois Rural Water Association

    EIN 371075126 · Headquarters: Taylorville, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Illinois Salers Association

    EIN 464634956 · Headquarters: Mt Sterling, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  26. Illinois School for the Deaf Alumni Association

    EIN 371246417 · Headquarters: JACKSONVILLE, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Illinois School Nutrition Association

    EIN 237393479 · Headquarters: DEKALB, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Illinois Scottish Rite Almoners Fund Inc

    EIN 464749854 · Headquarters: Bloomingdale, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  29. Illinois Search & Staffing Association

    EIN 363012113 · Headquarters: Westmont, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Illinois Seed Trade Association Inc

    EIN 371027517 · Headquarters: CHAMPAIGN, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Illinois Self Insurers Association

    EIN 363032109 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Illinois Seniors Golf Association Patrick Murphy

    EIN 361257823 · Headquarters: LEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Illinois Sheep and Wool Marketing Board

    EIN 371139273 · Headquarters: Morris, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  34. Illinois Shotokan Karate Booster Cl

    EIN 363440766 · Headquarters: PALATINE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Illinois Sign Association

    EIN 363179359 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Illinois SMACNA

    EIN 370813271 · Headquarters: Virden, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Illinois Small Loan Association Pac

    EIN 364325302 · Headquarters: SPRINGFIELD, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  38. Illinois Small Pavers Assoc Llc

    EIN 371497314 · Headquarters: WEST CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. Illinois Snirt Riders Snowmobile Club

    EIN 363870263 · Headquarters: MARSEILLES, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  40. Illinois Soaring Eagles Inc

    EIN 831194584 · Headquarters: ELMWOOD PARK, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Illinois Soccer Coaches Association

    EIN 205589957 · Headquarters: Palatine, IL, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  42. Illinois Social Club for the Blind

    EIN 376046474 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  43. Illinois Society for Cardio Pulmonary Health & Rehabilitation

    EIN 611562138 · Headquarters: Carbondale, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Illinois Society for Healthcare Marketing and Public Relations

    EIN 363738212 · Headquarters: PEKIN, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Illinois Society for Respiratory Care

    EIN 237168395 · Headquarters: Decatur, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Illinois Society for the Prevention of Blindness

    EIN 362167746 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Illinois Society of Allergy Asthma & Immunology

    EIN 237179888 · Headquarters: BURR RIDGE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Illinois Society of Association Executives

    EIN 371081498 · Headquarters: Galva, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Illinois Society of Enrolled Agents

    EIN 363685809 · Headquarters: WORTH, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  50. Illinois Society of Eye Physicians and Surgeons

    EIN 237123007 · Headquarters: VERNON HILLS, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Illinois Society of Microbiology

    EIN 366111530 · Headquarters: TINLEY PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Illinois Society of Oral and Maxillofacial Surgeons

    EIN 362916474 · Headquarters: GENEVA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Illinois Society of Orthodontists

    EIN 362580040 · Headquarters: NAPERVILLE, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  54. Illinois Society of Pathologists

    EIN 363450851 · Headquarters: LAKE BLUFF, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Illinois Society of Pediatric Dentists

    EIN 363370254 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Illinois Society of Professional Engineers

    EIN 237064420 · Headquarters: QUINCY, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Illinois Society of Professional Engineers

    EIN 237155487 · Headquarters: Bartlett, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. Illinois Society of Professional Engineers

    EIN 366205544 · Headquarters: Deerfield, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. Illinois Society of Professional Engineers

    EIN 366205545 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Illinois Society of Professional Engineers

    EIN 366205546 · Headquarters: Dixon, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Illinois Society of Professional Engineers

    EIN 366205625 · Headquarters: Bradley, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  62. Illinois Society of Professional Engineers

    EIN 366205824 · Headquarters: Decatur, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Illinois Society of Professional Engineers

    EIN 366205835 · Headquarters: ST Charles, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Illinois Society of Professional Engineers

    EIN 366205845 · Headquarters: Lake Forest, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Illinois Society of Professional Engineers

    EIN 371124750 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  66. Illinois Society of Professional Engineers

    EIN 371220301 · Headquarters: Urbana, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Illinois Society of Professional Engineers

    EIN 371224506 · Headquarters: Olney, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. Illinois Society of Professional Engineers

    EIN 376082247 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Illinois Society of Professional Engineers

    EIN 436098685 · Headquarters: Collinsville, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Illinois Society of Professional Farm Managers & Rural Appraisers

    EIN 237089333 · Headquarters: Urbana, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Illinois Society of Proffesional Engineers

    EIN 371224517 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Illinois Society of the American Colonists

    EIN 202009611 · Headquarters: Downers Grove, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  73. Illinois Soil Classifiers Association

    EIN 510204016 · Headquarters: Divernon, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Illinois Solar Education Association Inc

    EIN 363027007 · Headquarters: PALATINE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Illinois Solar Industry Association

    EIN 473379320 · Headquarters: Elk Grove Village, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Illinois Southdown Breeders Association

    EIN 820560444 · Headquarters: Jacksonville, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Illinois Soybean Board

    EIN 376152654 · Headquarters: BLOOMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Illinois Soybean Growers

    EIN 237024061 · Headquarters: BLOOMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Illinois Specialty Growers Association

    EIN 371142742 · Headquarters: BLOOMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Illinois Speech-language-hearing Assoc

    EIN 370954618 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Illinois Spina Bifida Association

    EIN 237062317 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Illinois State Academy of Science

    EIN 376043007 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Illinois State Administrators in Hematology Oncology

    EIN 364464262 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  84. Illinois State Alpha Tau Omega House Corporation

    EIN 371083248 · Headquarters: BLOOMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Illinois State Ambulance Association

    EIN 363554966 · Headquarters: CANTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  86. Illinois State Assembly of Ast

    EIN 364439578 · Headquarters: PEORIA, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Illinois State Assn Scholarship Program

    EIN 800666012 · Headquarters: Addison, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Illinois State Bar Association

    EIN 370345303 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Illinois State Black Chamber of Commerce Inc

    EIN 364478202 · Headquarters: Peoria, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Illinois State Chapter of Womens Council of Realtors

    EIN 830412639 · Headquarters: Downers Grove, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Illinois State Conference of Ibew

    EIN 371362153 · Headquarters: ROCKFORD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Illinois State Conference of OP & CM

    EIN 376038744 · Headquarters: TROY, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Illinois State Council Knights of Columbus

    EIN 361268095 · Headquarters: Kankakee, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Illinois State Council Knights of Columbus Charities Inc

    EIN 510194196 · Headquarters: Kankakee, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Illinois State Council of the Intrntl Union Operating Engineers

    EIN 371240764 · Headquarters: Marion, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Illinois State Credit Union

    EIN 370805312 · Headquarters: NORMAL, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Illinois State Crimestoppers Association

    EIN 363611689 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Illinois State Dental Society

    EIN 370682986 · Headquarters: Springfield, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Illinois State Employees Association/retirees

    EIN 371202338 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Illinois State Florists Association

    EIN 376040433 · Headquarters: Edwardsville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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