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. National Association of Anorexia Nervosa and Associated Disorders Inc

    EIN 362938021 · Headquarters: HIGHLAND PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. National Association of Architectural Metal Manufacturers

    EIN 362255869 · Headquarters: GLEN ELLYN, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. National Association of Boards of Pharmacy

    EIN 361520565 · Headquarters: MOUNT PROSPECT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. National Association of Boards of Pharmacy Foundation

    EIN 362677921 · Headquarters: MOUNT PROSPECT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. National Association of Certified Home Inspectors

    EIN 205652667 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. National Association of Construction Boilermaker Employers

    EIN 510199082 · Headquarters: GENEVA, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. National Association of Container Distributors

    EIN 222848880 · Headquarters: Schaumburg, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. National Association of Credit Management Great Lakes Region Inc

    EIN 356028857 · Headquarters: ROLLING MEADOWS, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. National Association of Farm Business Analysis Specialists

    EIN 510137564 · Headquarters: Camp Point, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. National Association of Fire Equipment Distributors

    EIN 362420809 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. National Association of Government Employees

    EIN 237324371 · Headquarters: SCOTT AFB, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. National Association of Graphic & Produc Manufacturers Inc

    EIN 237218046 · Headquarters: SCHAUMBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. National Association of Guardsmen Inc

    EIN 133080568 · Headquarters: Flossmor, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. National Association of Health Unit Coordinators Certification Board

    EIN 860563808 · Headquarters: ROCKFORD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. National Association of Housing & Redevelopment Officials

    EIN 363548478 · Headquarters: BLOOMINGTON, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. National Association of Independent Labor

    EIN 473685843 · Headquarters: Scott AFB, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  17. National Association of Insurance Women

    EIN 366208396 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  18. National Association of Letter

    EIN 376050100 · Headquarters: Decatur, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National Association of Letter Cariers #155

    EIN 371153983 · Headquarters: BELLEVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. National Association of Letter Carriers

    EIN 366089800 · Headquarters: Aurora, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. National Association of Letter Carriers

    EIN 366093716 · Headquarters: Moline, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. National Association of Letter Carriers

    EIN 366108748 · Headquarters: Des Plaines, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. National Association of Letter Carriers

    EIN 366108996 · Headquarters: OAK PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. National Association of Letter Carriers

    EIN 366112662 · Headquarters: FREEPORT, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. National Association of Letter Carriers

    EIN 366167939 · Headquarters: Streator, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  26. National Association of Letter Carriers

    EIN 366167955 · Headquarters: DOWNERS GROVE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. National Association of Letter Carriers

    EIN 371196398 · Headquarters: PALESTINE, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. National Association of Letter Carriers

    EIN 376046191 · Headquarters: QUINCY, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  29. National Association of Letter Carriers

    EIN 376046194 · Headquarters: Urbana, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. National Association of Letter Carriers

    EIN 376048412 · Headquarters: PEORIA, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. National Association of Letter Carriers

    EIN 376062473 · Headquarters: Granite City, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. National Association of Letter Carriers

    EIN 376076562 · Headquarters: Monticello, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  33. National Association of Letter Carriers

    EIN 376076648 · Headquarters: Champaign, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. National Association of Letter Carriers

    EIN 376076932 · Headquarters: Fisher, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. National Association of Letter Carriers

    EIN 376077054 · Headquarters: Bloomington, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. National Association of Letter Carriers - Branch 4016

    EIN 362967001 · Headquarters: FRANKFORT, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. National Association of Letter Carriers Auxiliary of USA

    EIN 366138744 · Headquarters: Rock Island, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  38. National Association of Letter Carriers Auxiliary of USA

    EIN 376057633 · Headquarters: Belleville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. National Association of Letter Carriers Auxiliary of USA

    EIN 376057642 · Headquarters: Mt Zion, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. National Association of Letter Carriers Branch #245

    EIN 366160643 · Headquarters: ROCKFORD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. National Association of Letter Carriers Branch #305

    EIN 366109885 · Headquarters: JOLIET, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. National Association of Letter Carriers Branch 319

    EIN 376077050 · Headquarters: East St Louis, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. National Association of Letter Carriers Illinois

    EIN 362980388 · Headquarters: NAPERVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. National Association of Letter Carriers of the U S A

    EIN 396094420 · Headquarters: Gurnee, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  45. National Association of Letters Carriers

    EIN 366205701 · Headquarters: mount prospect, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. National Association of Letters Carriers

    EIN 366205805 · Headquarters: Palatine, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. National Association of Miniature Enthusiasts

    EIN 383936799 · Headquarters: MOLINE, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. National Association of Neonatal Nurses

    EIN 363709152 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. National Association of Neonatal Nurses

    EIN 680027315 · Headquarters: Schaumburg, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. National Association of Orthopaedic Nurses Inc

    EIN 133025205 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  51. National Association of Orthopaedic Nurses Inc

    EIN 222308575 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. National Association of Orthopaedic Nurses Inc

    EIN 232161832 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  53. National Association of Orthopaedic Nurses Inc

    EIN 232211026 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  54. National Association of Orthopaedic Nurses Inc

    EIN 270888783 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. National Association of Orthopaedic Nurses Inc

    EIN 300246041 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. National Association of Orthopaedic Nurses Inc

    EIN 341672004 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. National Association of Orthopaedic Nurses Inc

    EIN 351521917 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  58. National Association of Orthopaedic Nurses Inc

    EIN 363192370 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. National Association of Orthopaedic Nurses Inc

    EIN 382289104 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  60. National Association of Orthopaedic Nurses Inc

    EIN 382726783 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  61. National Association of Orthopaedic Nurses Inc

    EIN 391504890 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. National Association of Orthopaedic Nurses Inc

    EIN 411399673 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  63. National Association of Orthopaedic Nurses Inc

    EIN 411593003 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. National Association of Orthopaedic Nurses Inc

    EIN 431778460 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. National Association of Orthopaedic Nurses Inc

    EIN 454317210 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. National Association of Orthopaedic Nurses Inc

    EIN 472040002 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  67. National Association of Orthopaedic Nurses Inc

    EIN 480915349 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. National Association of Orthopaedic Nurses Inc

    EIN 541182729 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. National Association of Orthopaedic Nurses Inc

    EIN 561277511 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. National Association of Orthopaedic Nurses Inc

    EIN 581410693 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. National Association of Orthopaedic Nurses Inc

    EIN 611733207 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  72. National Association of Orthopaedic Nurses Inc

    EIN 621028194 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  73. National Association of Orthopaedic Nurses Inc

    EIN 621146858 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. National Association of Orthopaedic Nurses Inc

    EIN 621419751 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. National Association of Orthopaedic Nurses Inc

    EIN 621438298 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. National Association of Orthopaedic Nurses Inc

    EIN 631004022 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  77. National Association of Orthopaedic Nurses Inc

    EIN 651298189 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  78. National Association of Orthopaedic Nurses Inc

    EIN 720914677 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. National Association of Orthopaedic Nurses Inc

    EIN 900117134 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  80. National Association of Orthopaedic Nurses Inc

    EIN 900117182 · Headquarters: CHICAGO, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. National Association of Orthopaedic Nurses Inc

    EIN 900117185 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  82. National Association of Orthopaedic Nurses Inc

    EIN 953548232 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  83. National Association of Personal Financial Advisors - Group Return

    EIN 912020239 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. National Association of Personal Financial Advisors Inc

    EIN 351629277 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. National Association of Postal Supervisors Northern Illinois

    EIN 352420092 · Headquarters: BELLWOOD, IL, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  86. National Association of REALTORS®

    EIN 361520690 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. National Association of Retired & Veteran Railway Employees

    EIN 030534598 · Headquarters: Mokena, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. National Association of Retired & Veteran Railway Employees

    EIN 371359714 · Headquarters: Decatur, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. National Association of Retired & Veteran Railway Employees

    EIN 384252117 · Headquarters: Carpentersville, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. National Association of Retired & Veteran Railway Employees

    EIN 510214491 · Headquarters: Centralia, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. National Association of Retired & Veteran Railway Employees

    EIN 562411246 · Headquarters: Galesburg, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. National Association of Retired & Vetern Railway Employees

    EIN 510230399 · Headquarters: Mount Carmel, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. National Association of Retired Sears Employees

    EIN 364213726 · Headquarters: NAPERVILLE, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  94. National Association of Scientific Materials Managers

    EIN 720844245 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. National Association of State Farm Agent

    EIN 237289508 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. National Association of Tax Professionals Inc

    EIN 363651361 · Headquarters: Granville, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. National Association of Theatre Owners of Illinois

    EIN 364034733 · Headquarters: Downers Grove, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. National Association of Ticket Brokers

    EIN 521923607 · Headquarters: LISLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. National Association of University Women

    EIN 237454343 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  100. National Association of University Women

    EIN 911921789 · Headquarters: Waukegan, IL, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

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