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. Illinois Prison Project

    EIN 834052929 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Illinois Professional Firefighters Association

    EIN 362650496 · Headquarters: ELMHURST, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Illinois Professional Land Surveyors Association

    EIN 376052725 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Illinois Professional Lawn Care Association

    EIN 208574736 · Headquarters: Wadsworth, IL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  5. Illinois Propane Gas Association

    EIN 370775965 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Illinois Protective Officials Conference

    EIN 721605204 · Headquarters: BLOOMINGTON, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  7. Illinois Psychiatric Society

    EIN 362526396 · Headquarters: BUFFALO GROVE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Illinois Psychological Association

    EIN 366109267 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Illinois Public Defender Association

    EIN 371179693 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Illinois Public Employer Labor Relations Association

    EIN 362996101 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Illinois Public Health Association

    EIN 366108790 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Illinois Public Pension Advisory Committee Inc

    EIN 364072678 · Headquarters: PALATINE, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  13. Illinois Public Pension Fund Association

    EIN 363421158 · Headquarters: ELGIN, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Illinois Public Transportation Association

    EIN 371012616 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Illinois Purebred Dairy Cattle Association

    EIN 376046470 · Headquarters: Urbana, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. Illinois Quarter Horse Association

    EIN 366142804 · Headquarters: WONDER LAKE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Illinois Queen Initiative

    EIN 470983089 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  18. Illinois Quilters Inc

    EIN 363072503 · Headquarters: Wilmette, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Illinois Rabbit Breeders Association

    EIN 923285065 · Headquarters: Thawville, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Illinois Radiological Society

    EIN 237064487 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. Illinois Railroad Association

    EIN 366108180 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. Illinois Reading Council Inc

    EIN 237008981 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Illinois Reading Council Inc

    EIN 237015511 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Illinois Reading Council Inc

    EIN 237022415 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Illinois Reading Council Inc

    EIN 237057794 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Illinois Reading Council Inc

    EIN 237068154 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Illinois Reading Council Inc

    EIN 237091761 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Illinois Reading Council Inc

    EIN 237223821 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Illinois Reading Council Inc

    EIN 237253406 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Illinois Reading Council Inc

    EIN 237253407 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Illinois Reading Council Inc

    EIN 237261170 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Illinois Reading Council Inc

    EIN 237261171 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Illinois Reading Council Inc

    EIN 237289575 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Illinois Reading Council Inc

    EIN 237344539 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Illinois Reading Council Inc

    EIN 237358469 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Illinois Reading Council Inc

    EIN 237660172 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Illinois Reading Council Inc

    EIN 260050190 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Illinois Reading Council Inc

    EIN 363565361 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Illinois Reading Council Inc

    EIN 363806754 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Illinois Reading Council Inc

    EIN 363925179 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Illinois Reading Council Inc

    EIN 364210876 · Headquarters: Normal, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Illinois Reading Council Inc

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

  43. Illinois Reading Council Inc

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

  44. Illinois Reading Council Inc

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

  45. Illinois Reading Council Inc

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

  46. Illinois Reading Council Inc

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

  47. Illinois Reading Council Inc

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

  48. Illinois Reading Council Inc

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

  49. Illinois Reading Council Inc

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

  50. Illinois Reading Council Inc

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

  51. Illinois Reading Council Inc

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

  52. Illinois Reading Council Inc

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

  53. Illinois Reading Council Inc

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

  54. Illinois Ready Mixed Concrete Association

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

  55. Illinois Realtors

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

  56. Illinois Recycling Association

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

  57. Illinois Regional Insulation Contractors Association

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

  58. Illinois Renewable Fuels Association

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

  59. Illinois Rental Purchase Dealer Associaton

    EIN 371196733 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. Illinois Resident Assistant Association

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

  61. Illinois Restaurant Association

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

  62. Illinois Retail Merchants Association

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

  63. Illinois Retired Teachers Association Foundation Inc

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

  64. Illinois Right to Life Action

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

  65. Illinois Rising Action Inc

    EIN 844125195 · Headquarters: Arlington, VA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  66. Illinois Road and Transportation Builders Association

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

  67. Illinois Rural Water Association

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

  68. Illinois Salers Association

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

  69. 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

  70. Illinois School Nutrition Association

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

  71. 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

  72. Illinois Search & Staffing Association

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

  73. Illinois Seed Trade Association Inc

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

  74. Illinois Self Insurers Association

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

  75. 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

  76. 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

  77. Illinois Shotokan Karate Booster Cl

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

  78. Illinois Sign Association

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

  79. Illinois SMACNA

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

  80. Illinois Small Loan Association Pac

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

  81. Illinois Small Pavers Assoc Llc

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

  82. Illinois Snirt Riders Snowmobile Club

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

  83. Illinois Soaring Eagles Inc

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

  84. Illinois Soccer Coaches Association

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

  85. 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

  86. 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

  87. 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

  88. Illinois Society for Respiratory Care

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

  89. 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

  90. 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

  91. Illinois Society of Anesthesiologists

    EIN 362641668 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Illinois Society of Association Executives

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

  93. Illinois Society of Enrolled Agents

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

  94. 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

  95. Illinois Society of Microbiology

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

  96. 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

  97. Illinois Society of Orthodontists

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

  98. Illinois Society of Pathologists

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

  99. Illinois Society of Pediatric Dentists

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

  100. Illinois Society of Professional Engineers

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

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