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. Naperville Central High School Athletic Booster Club

    EIN 363382224 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Naperville Chargers Inc

    EIN 208582193 · Headquarters: NAPERVILLE, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  3. Naperville Childrens Business Fair

    EIN 415318235 · Headquarters: Lisle, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Naperville Chorus

    EIN 362952068 · Headquarters: Naperville, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Naperville Community Charitable Organization Inc

    EIN 363445174 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Naperville Community Television

    EIN 363460409 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Naperville Council of the Navy League of the United States

    EIN 901006986 · Headquarters: Naperville, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  8. Naperville Country Club

    EIN 361518990 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Naperville Crime Stoppers Program Inc

    EIN 363213381 · Headquarters: Naperville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Naperville Development Partnership

    EIN 364096302 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Naperville Fraternal Order of Police Lodge 42

    EIN 237585540 · Headquarters: Naperville, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Naperville Jaycees

    EIN 363138791 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Naperville Lancers Hockey Club

    EIN 474215777 · Headquarters: BOLINGBROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990

  14. Naperville Little League Inc

    EIN 366112768 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Naperville Masonic Temple Assoc

    EIN 362983018 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  16. Naperville Municipal Band Association Inc

    EIN 366642491 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Naperville North High School Booster Club

    EIN 363029113 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Naperville Office Park Owners Association

    EIN 363353282 · Headquarters: LOMBARD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Naperville Professional Firefighters Local 4302

    EIN 030524345 · Headquarters: Naperville, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Naperville Public Library Foundation

    EIN 363209642 · Headquarters: NAPERVILLE, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Naperville Sportsmans Club Inc

    EIN 364173619 · Headquarters: Naperville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Naperville Table Tennis Club

    EIN 463830160 · Headquarters: Naperville, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  23. Napervillemens Glee Club

    EIN 363582044 · Headquarters: NAPERVILLE, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Narayani

    EIN 423592452 · Headquarters: Aurora, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Nari of Greater Chicagoland

    EIN 363512215 · Headquarters: ARLINGTON HEIGHTS, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Narmont Family Foundation C/o Robert a Narmont

    EIN 376634506 · Headquarters: CHATHAM, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Nartan Academy of Dance

    EIN 364404640 · Headquarters: Naperville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Nashville Chamber of Commerce

    EIN 510162406 · Headquarters: NASHVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Nashville Lions Club

    EIN 371054467 · Headquarters: NASHVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Nashville Lodge 2560 Loyal Order of Moose

    EIN 912033174 · Headquarters: NASHVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Nat'l Assoc of American 408 Greater Champaign County Ambucs

    EIN 582213990 · Headquarters: URBANA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Nat'l Independent Flag Dealers

    EIN 431498501 · Headquarters: OAK PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Natca Fct Bmi

    EIN 932107084 · Headquarters: Bloomington, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. Natca Mwa Local

    EIN 364348605 · Headquarters: marion, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Nathan & Emily Blum Fund

    EIN 366706638 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  36. National Able Network Inc

    EIN 237339397 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. National Academy of Design Tr Xxxxx3001

    EIN 136755562 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. National Accrediting Agency for Clinical Laboratory Sciences

    EIN 362789792 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. National Active and Retired Federal Employees Association

    EIN 237070684 · Headquarters: Edwardsville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. National Active and Retired Federal Employees Association

    EIN 237070685 · Headquarters: Murphysboro, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. National Active and Retired Federal Employees Association

    EIN 237070686 · Headquarters: Mokena, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. National Active and Retired Federal Employees Association

    EIN 237070687 · Headquarters: EFFINGHAM, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. National Active and Retired Federal Employees Association

    EIN 363628049 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. National Active and Retired Federal Employees Association

    EIN 366155294 · Headquarters: Coal Valley, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  45. National Active and Retired Federal Employees Association

    EIN 366164554 · Headquarters: Joliet, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. National Active and Retired Federal Employees Association

    EIN 366164555 · Headquarters: Park Ridge, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  47. National Active and Retired Federal Employees Association

    EIN 366164559 · Headquarters: Beach Park, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. National Active and Retired Federal Employees Association

    EIN 376076058 · Headquarters: QUINCY, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. National Active and Retired Federal Employees Association

    EIN 376076070 · Headquarters: Decatur, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. National Active and Retired Federal Employees Association

    EIN 376076156 · Headquarters: Belleville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. National Active and Retired Federal Employees Association

    EIN 376076220 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. National Active and Retired Federal Employees Association

    EIN 376076556 · Headquarters: Mount Vernon, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  53. National Active and Retired Federal Employees Association

    EIN 376076811 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. National Active and Retired Federal Employees Association

    EIN 376076812 · Headquarters: Westville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. National Active and Retired Federal Employees Association

    EIN 582072086 · Headquarters: Urbana, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. National Active and Retired Federal Employees Association

    EIN 582072089 · Headquarters: Albion, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  57. National Active and Retired Federal Employees Association

    EIN 582072094 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. National Active and Retired Federal Employees Association

    EIN 582072095 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. National African-American Insurance Association

    EIN 142006841 · Headquarters: Moline, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. National Agricultural Alumni & Development Associa

    EIN 251668332 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. National Air Traffic Controllers Association

    EIN 363588044 · Headquarters: Wheeling, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. National Air Traffic Controllers Association

    EIN 363590884 · Headquarters: Aurora, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. National Air Traffic Controllers Association

    EIN 363594175 · Headquarters: WEST CHICAGO DR, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. National Air Traffic Controllers Association

    EIN 363627465 · Headquarters: Elgin, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. National Air Traffic Controllers Association

    EIN 363627466 · Headquarters: MILAN, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. National Air Traffic Controllers Association

    EIN 363653203 · Headquarters: Sugar Grove, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. National Air Traffic Controllers Association

    EIN 371227136 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. National Air Traffic Controllers Association

    EIN 371234604 · Headquarters: SPRINGFIELD, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. National Air Traffic Controllers Association

    EIN 371243845 · Headquarters: CAHOKIA, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. National Air Traffic Controllers Association

    EIN 371246231 · Headquarters: Savoy, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. National Air Traffic Controllers Association

    EIN 521673782 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. National Air Traffic Controllers Association

    EIN 853737491 · Headquarters: Murphysboro, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. National Air Traffic Controllers Association

    EIN 911960892 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. National Air Traffic Controllers Association Natca Local

    EIN 363612898 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. National Air Traffic Controllers Associationl Air Traffic Controlle

    EIN 364236607 · Headquarters: Rosemont, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. National Alliance on Mental Illness Northwest Suburban

    EIN 363371084 · Headquarters: Arlington Heights, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  77. National Allied Workers Union Local 831

    EIN 364159396 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. National Ambucs Greater Indy Chapter

    EIN 900544394 · Headquarters: Danville, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  79. National Ambucs Inc

    EIN 371100465 · Headquarters: Champaign, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  80. National Ambucs Inc

    EIN 371270035 · Headquarters: SULLIVAN, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. National Ambucs Inc

    EIN 842844762 · Headquarters: Sheldon, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. National Ambucs Inc

    EIN 853494096 · Headquarters: Fairview Heights, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. National Ambucs Inc

    EIN 901027876 · Headquarters: SENECA, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. National Ambucs Inc

    EIN 901075495 · Headquarters: Plainfield, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. National Ambucs Inc

    EIN 901118838 · Headquarters: Morris, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. National Ambucs Inc

    EIN 911906395 · Headquarters: Decatur, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. National Ambucs Inc Pekin Il

    EIN 621729755 · Headquarters: Pekin, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. National Archery Association of the United States

    EIN 453661120 · Headquarters: Glen Ellyn, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. National Assoc for Lay Ministry

    EIN 742339095 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. National Assoc of Letter Carriers

    EIN 366124605 · Headquarters: ARLINGTON HEIGHTS, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. National Assoc of Letter Carriers

    EIN 376046517 · Headquarters: ALTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. National Assoc of Letter Carriers Branch 80

    EIN 376046515 · Headquarters: SPRINGFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. National Association Fof Letter Carriers

    EIN 366108992 · Headquarters: Galva, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  94. National Association for Catering and Events

    EIN 611211353 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. National Association for Healthcare Quality

    EIN 953062349 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. National Association for the Advancement of Colored People

    EIN 364088487 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  97. National Association for the Advancement of Colored People

    EIN 453136820 · Headquarters: Kankakee, IL, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  98. National Association for the Advancement of Colored People

    EIN 912082928 · Headquarters: peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  99. National Association for the Prevention of Teacher Abuse

    EIN 421551127 · Headquarters: Winnetka, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. National Association of Advisors for the Health Professions Inc

    EIN 237454707 · Headquarters: CHAMPAIGN, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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