Unknown & Unclassified nonprofits in Ohio

Unknown & Unclassified nonprofits in Ohio. Browse 26,579 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 Benefits and Insurance Professionals

    EIN 316060582 · Headquarters: WESTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. National Association of Benefits and Insurance Professionals Ne Ohio Chapter

    EIN 341562729 · Headquarters: BEREA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. National Association of Charitable Gift Planners

    EIN 311285850 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. National Association of College Auxiliary Services

    EIN 853078814 · Headquarters: ASHLAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. National Association of College Auxiliary Services Central

    EIN 853032260 · Headquarters: Ashland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. National Association of College Stores

    EIN 340711559 · Headquarters: OBERLIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. National Association of Collegiate Directors of Athletics

    EIN 341367157 · Headquarters: WESTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. National Association of Collegiate Directors of Athletics

    EIN 410906322 · Headquarters: WESTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. National Association of Directors of Nursing Administration

    EIN 351698902 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. National Association of Estate Planners and Councils

    EIN 596161524 · Headquarters: WESTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. National Association of Fsa County Office Employees

    EIN 208964865 · Headquarters: Ashland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. National Association of Government Employees

    EIN 311686431 · Headquarters: Sunbury, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. National Association of Insurance and Financial Advisors - Houston

    EIN 746052266 · Headquarters: POWELL, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. National Association of Insurance and Financial Advisors-Texas

    EIN 741074521 · Headquarters: POWELL, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. National Association of Insurance Women

    EIN 311076593 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  16. National Association of Insurance Women

    EIN 311118433 · Headquarters: Fairfield, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. National Association of Insurance Women

    EIN 311537293 · Headquarters: Van Wert, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  18. National Association of Insurance Women

    EIN 346543473 · Headquarters: Aurora, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. National Association of Insurance Women

    EIN 731327910 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. National Association of Letter Carriers

    EIN 310678069 · Headquarters: Akron, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. National Association of Letter Carriers

    EIN 316041883 · Headquarters: LANCASTER, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. National Association of Letter Carriers

    EIN 316050050 · Headquarters: FAIRFIELD, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. National Association of Letter Carriers

    EIN 316053792 · Headquarters: Marietta, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. National Association of Letter Carriers

    EIN 316056846 · Headquarters: PORTSMOUTH, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. National Association of Letter Carriers

    EIN 316079863 · Headquarters: Pomeroy, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  26. National Association of Letter Carriers

    EIN 316079902 · Headquarters: BALTIMORE, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. National Association of Letter Carriers

    EIN 341087726 · Headquarters: Northwood, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. National Association of Letter Carriers

    EIN 346555555 · Headquarters: Dover, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. National Association of Letter Carriers

    EIN 346555756 · Headquarters: LORAIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. National Association of Letter Carriers

    EIN 346555759 · Headquarters: Elyria, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. National Association of Letter Carriers

    EIN 346556094 · Headquarters: VERMILION, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. National Association of Letter Carriers

    EIN 346557800 · Headquarters: STEUBENVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. National Association of Letter Carriers

    EIN 346557801 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. National Association of Letter Carriers

    EIN 346562867 · Headquarters: Cuyahoga Falls, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. National Association of Letter Carriers

    EIN 346597084 · Headquarters: Findlay, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. National Association of Letter Carriers

    EIN 346597086 · Headquarters: Fostoria, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. National Association of Letter Carriers

    EIN 346597090 · Headquarters: Bellefontaine, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. National Association of Letter Carriers

    EIN 346597093 · Headquarters: Newark, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. National Association of Letter Carriers

    EIN 346597104 · Headquarters: Martins Ferry, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. National Association of Letter Carriers

    EIN 900294377 · Headquarters: Mount vernon, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. National Association of Letter Carriers 148

    EIN 346536709 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. National Association of Letter Carriers 452 Chillicothe Ohio

    EIN 316039562 · Headquarters: CHILLICOTHE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. National Association of Letter Carriers Afl-clo #238

    EIN 346608254 · Headquarters: CANTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. National Association of Letter Carriers Auxiliary of USA

    EIN 316060358 · Headquarters: Xenia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. National Association of Letter Carriers Auxiliary of USA

    EIN 480666691 · Headquarters: Gibsonburg, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. National Association of Letter Carriers Branch 43

    EIN 310647607 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. National Association of Letter Carriers Local 182

    EIN 316046635 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. National Association of Letter Carriers Local 385

    EIN 340907027 · Headquarters: YOUNGSTOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. National Association of Letters Carriers

    EIN 346597162 · Headquarters: MENTOR, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. National Association of Miniature

    EIN 942611769 · Headquarters: FELICITY, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  51. National Association of Miniature Enthusiasts

    EIN 341719374 · Headquarters: Lima, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. National Association of Miniature Enthusiasts

    EIN 341801489 · Headquarters: Warren, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. National Association of Miniature Enthusiasts

    EIN 341824540 · Headquarters: Findlay, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. National Association of Miniature Enthusiasts

    EIN 341826230 · Headquarters: STRONGSVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. National Association of Miniature Enthusiasts

    EIN 383222136 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. National Association of Miniature Enthusiasts

    EIN 942645508 · Headquarters: Urbana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. National Association of Negro Busin Ess and Professional Womens C

    EIN 341271966 · Headquarters: Elyria, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. National Association of Negro Busin Ess and Professional Womens C

    EIN 341545671 · Headquarters: Lorain, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. National Association of Negro Business and Professional Womens C

    EIN 341750385 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. National Association of Neonatal Nurses

    EIN 823332868 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. National Association of Neonatal Nurses

    EIN 830495835 · Headquarters: University Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. National Association of Neonatal Nurses

    EIN 844575617 · Headquarters: Sylvania, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. National Association of Nephrology Technologists (Nant)

    EIN 141722307 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. National Association of Postal Supe Rvisors Branch 2

    EIN 394096493 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. National Association of Postal Supervisors - Branch 29

    EIN 310982654 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. National Association of Retired & Veteran Railway Employees

    EIN 237082464 · Headquarters: Bellevue, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. National Association of Retired & Veteran Railway Employees

    EIN 320407338 · Headquarters: Ashtabula, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. National Association of Retired & Veteran Railway Employees

    EIN 363631762 · Headquarters: Saint Louisville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. National Association of Retired & Veteran Railway Employees

    EIN 363631764 · Headquarters: Dennison, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. National Association of Retired & Veteran Railway Employees

    EIN 363632293 · Headquarters: Columbiana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. National Association of Retired & Veteran Railway Employees

    EIN 521281633 · Headquarters: CLEVELAND, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. National Association of Retired & Veteran Railway Employees

    EIN 521893861 · Headquarters: Massillon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. National Association of Retired & Veteran Railway Employees

    EIN 521923319 · Headquarters: Avon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. National Association of Retired & Veteran Railway Employees

    EIN 611421424 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. National Association of Tax Professionals Inc

    EIN 341657631 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. National Association of Women Business Owners

    EIN 341412398 · Headquarters: Bay Village, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. National Association of Women Business Owners Columbus Chapter

    EIN 311441262 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. National Association of Women in Construction

    EIN 202827274 · Headquarters: Findlay, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. National Association of Women in Construction

    EIN 237098787 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. National Association of Women in Construction

    EIN 316052197 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. National Association of Women in Construction

    EIN 316065575 · Headquarters: cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. National Association of Women in Construction

    EIN 341310035 · Headquarters: Sylvania, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. National Association of Women in Construction

    EIN 346607147 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. National Association of Women in Contruction

    EIN 271412075 · Headquarters: Berea, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. National Associations of Letter Carriers Branch 40

    EIN 346537136 · Headquarters: Brooklyn Hts, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. National Assos of Watch and Clock Collectors Inc Lake Erie Chap

    EIN 346563635 · Headquarters: CUYAHOGA FALLS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. National Autism Association of Southeast Ohio

    EIN 270423825 · Headquarters: SOMERSET, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. National Auxiliary of the Sons of Union Veterans of Civil War

    EIN 272449638 · Headquarters: Rocky River, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. National Auxiliary of the Sons of Union Veterans of Civil War

    EIN 311447744 · Headquarters: LANCASTER, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. National Auxiliary of the Sons of Union Veterans of Civil War

    EIN 474303306 · Headquarters: Monroe, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. National Auxiliary of the Sons of Union Veterans of Civil War

    EIN 510220710 · Headquarters: Lancaster, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  92. National Auxiliary of the Sons of Union Veterans of Civil War

    EIN 813035449 · Headquarters: Lancaster, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  93. National Auxiliary of the Sons of Union Veterans of the Civil War Us

    EIN 166029191 · Headquarters: LANCASTER, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. National Auxiliary of the Sons of Union Veterans of the Civil War Us

    EIN 263285852 · Headquarters: Lancaster, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  95. National Auxiliary of the Sons of Union Veterans of the Civil War Us

    EIN 263518620 · Headquarters: Lancaster, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  96. National Auxiliary of the Sons of Union Veterans of the Civil War Us

    EIN 311446417 · Headquarters: Coolville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. National Auxiliary of the Sons of Union Veterans of the Civil War Us

    EIN 451743765 · Headquarters: ALLIANCE, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  98. National Black Nurses Association Inc

    EIN 237156904 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. National Black Nurses Association Inc

    EIN 341510458 · Headquarters: Akron, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. National Black Nurses Association Inc

    EIN 341582253 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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