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. American Legion Post 998

    EIN 376047648 · Headquarters: Ogden, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  2. American Legion Post No 77

    EIN 366108411 · Headquarters: Belvidere, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  3. American Legion Riders Post 615

    EIN 366207366 · Headquarters: Tinley Park, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. American Legion Riders Post 80

    EIN 272520134 · Headquarters: Downers Grove, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  5. American Legion Robert D Clark Post 1205 Inc

    EIN 363846173 · Headquarters: WOOD DALE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. American Legion Roy Miller

    EIN 376032823 · Headquarters: FAIRVIEW, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. American Legion Ryman-fuiten Post 447

    EIN 376046610 · Headquarters: MOUNT PULASKI, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. American Legion Stookey Post #1255

    EIN 376078827 · Headquarters: BELLEVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. American Legion Tattler Post 973

    EIN 366205277 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. American Legion Teutopolis Post 924

    EIN 371382781 · Headquarters: TEUTOPOLIS, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. AMERICAN LEGION Thomas Larkin Post 237

    EIN 366205999 · Headquarters: OGLESBY, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. American Legion U of I Shawna M Morrison Post 2019

    EIN 923322943 · Headquarters: Urbana, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. American Legion Vincent Hays Post 610

    EIN 376044094 · Headquarters: OAKWOOD, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  14. American Legion Walter E Truemper Post No 1944

    EIN 883721910 · Headquarters: AURORA, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  15. American Longevity Research Institute Inc

    EIN 391539493 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  16. American Luxemburger Independent Club of Aurora Il

    EIN 360727073 · Headquarters: AURORA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. American Marketing Association Inc

    EIN 464793849 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  18. AMERICAN MARKETING ASSOCIATION INC Chicago Chapter

    EIN 237125190 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. American Massage Therapy Association

    EIN 620968813 · Headquarters: EVANSTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. American Massage Therapy Group Return

    EIN 900016665 · Headquarters: EVANSTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  21. American Medical Association

    EIN 360727175 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. American Medical Association Foundation

    EIN 366080517 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. American Medical Technologists

    EIN 730699842 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  24. American Mgb Association

    EIN 363084818 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  25. American Model United Nations

    EIN 363682156 · Headquarters: OAK PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. American Nickeloid Employees Dba Anco Community Credit Union

    EIN 362351886 · Headquarters: LASALLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. American Now

    EIN 820623856 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  28. American Nutrition Association Inc

    EIN 060971131 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. American Nutrition Association Inc

    EIN 823186127 · Headquarters: Hinsdale, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  30. American Opera Society of Chicago

    EIN 366057235 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. American Optometric Student Association Incorporated

    EIN 237354836 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Orff-schulwerk Association

    EIN 363248818 · Headquarters: Harvard, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. American Organization for Nursing Leadership

    EIN 363591337 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. American Orthopaedic Association

    EIN 136118458 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. American Orthopaedic Society for Sports Medicine

    EIN 237182780 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. American Osteopathic Academy of Addiction Medicine

    EIN 222960229 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. American Osteopathic Foundation

    EIN 366056120 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. American Outlaws Bloomington-normal Chapter Inc

    EIN 464730358 · Headquarters: Bloomington, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  39. American Outlaws Chicago Chapter Inc

    EIN 872547623 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. American Passion Play

    EIN 376045546 · Headquarters: BLOOMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  41. American Pathology Foundation Private Practitioners of Pathology

    EIN 520730227 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. American Pediatric Surgical Association

    EIN 237097289 · Headquarters: EAST DUNDEE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. American Pediatric Surgical Association Foundation Inc

    EIN 593243373 · Headquarters: EAST DUNDEE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. American Pharmacists Association

    EIN 530026265 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. American Pharmacists Association Academy of Student Pharmacists

    EIN 366111392 · Headquarters: chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  46. American Pharmacists Association Academy of Student Pharmacists

    EIN 454040374 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. American Planning Association - Il Chapter

    EIN 371023674 · Headquarters: DEKALB, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. American Post

    EIN 360726725 · Headquarters: HARVARD, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. American Postal Workers Accident Benefit Association

    EIN 363864893 · Headquarters: AURORA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. American Postal Workers Union

    EIN 237018369 · Headquarters: Effingham, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  51. American Postal Workers Union

    EIN 237340059 · Headquarters: Jacksonville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Postal Workers Union

    EIN 237340061 · Headquarters: LaSalle, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. American Postal Workers Union

    EIN 237340092 · Headquarters: Kewanee, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Postal Workers Union

    EIN 237340111 · Headquarters: ELGIN, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. American Postal Workers Union

    EIN 237340286 · Headquarters: Centralia, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Postal Workers Union

    EIN 237341110 · Headquarters: WAUKEGAN, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Postal Workers Union

    EIN 237341219 · Headquarters: Belleville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Postal Workers Union

    EIN 237341245 · Headquarters: Arlington Heights, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Postal Workers Union

    EIN 237341262 · Headquarters: Salem, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Postal Workers Union

    EIN 237341269 · Headquarters: ROCK ISLAND, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. American Postal Workers Union

    EIN 237341279 · Headquarters: Quincy, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. American Postal Workers Union

    EIN 237341308 · Headquarters: SKOKIE, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Postal Workers Union

    EIN 237342015 · Headquarters: Carbondale, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. American Postal Workers Union

    EIN 363027012 · Headquarters: HICKORY HILLS, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. American Postal Workers Union

    EIN 363593955 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. American Postal Workers Union Afl-cio

    EIN 320711962 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. AMERICAN POSTAL WORKERS UNION Aka Heart of Illinois Area Local 854

    EIN 237018300 · Headquarters: Peoria, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. American Postal Workers Union Auxiliary

    EIN 366134918 · Headquarters: SPRINGFIELD, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. American Postal Workers Union Auxiliary

    EIN 376045484 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. American Postal Workers Union Chicago IL Local

    EIN 362779149 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. American Postal Workers Union Land of Lincoln Local 239

    EIN 371004214 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. American Powerlifting Federation

    EIN 363590711 · Headquarters: Aurora, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. American Production & Inventory Control Society Highlands Chapter

    EIN 363244035 · Headquarters: Crystal Lake, IL, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  74. American Production & Inventory Fox River Chapter 207

    EIN 362991373 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  75. American Railway Development Association

    EIN 453503234 · Headquarters: NORTHBROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. American Registry of Professional Animal Scientists Inc

    EIN 371164874 · Headquarters: CHAMPAIGN, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. American Rental Association

    EIN 222573116 · Headquarters: Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. American Rental Association

    EIN 362425015 · Headquarters: Moline, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. American Rental Association

    EIN 920150993 · Headquarters: Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. American Rental Association

    EIN 990309439 · Headquarters: Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. American Rental Association Foundation

    EIN 362897310 · Headquarters: MOLINE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. American Rental Association of Delaware Inc

    EIN 510340695 · Headquarters: Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. American Rental Association of Illinois

    EIN 363855608 · Headquarters: Oswego, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. American Rental Association of Kansas

    EIN 742536777 · Headquarters: Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. American Rental Association of Nevada

    EIN 880237076 · Headquarters: Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. American Rental Association of New Mexico

    EIN 742540295 · Headquarters: Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. American Rental Association of Texas

    EIN 741866443 · Headquarters: MOLINE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. American Rental Association of Utah

    EIN 930998025 · Headquarters: Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. American Rental Association of Vermont

    EIN 030347768 · Headquarters: Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. American Revenue Association C/o Timothy Wait

    EIN 341565935 · Headquarters: Rockford, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. American Rose Society

    EIN 581783218 · Headquarters: Park Forest, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Rose Society

    EIN 651283991 · Headquarters: Lincoln, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Saddlebred International Youth Program Inc

    EIN 363548243 · Headquarters: NORTH AURORA, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Senior Benefits Association

    EIN 752147768 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  95. American Shetland Pony Club

    EIN 350847061 · Headquarters: MORTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. American Shoulder & Elbow Surgeons

    EIN 411474626 · Headquarters: SCHAUMBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. American Slovenian Caholic Union 0002 St Joseph

    EIN 363306894 · Headquarters: Joliet, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. American Slovenian Cath Union 236 St Francis

    EIN 237530720 · Headquarters: Joliet, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Slovenian Catholic Union

    EIN 237530595 · Headquarters: Joliet, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. American Slovenian Catholic Union

    EIN 237530596 · Headquarters: Joliet, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages