Unknown & Unclassified nonprofits in Indiana

Unknown & Unclassified nonprofits in Indiana. Browse 14,345 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 Ambucs Inc

    EIN 383898645 · Headquarters: MUNCIE, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. National Ambucs Inc

    EIN 900404765 · Headquarters: Evansville, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. National Associ of Letter Carriers

    EIN 351403627 · Headquarters: TERRE HAUTE, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. National Associaition of Letter Carriers

    EIN 356041793 · Headquarters: COLUMBUS, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Association for the Advancement of Colored People

    EIN 356072055 · Headquarters: Fort Wayne, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. National Association for the Advancement of Colored People

    EIN 912101445 · Headquarters: Bloomington, IN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  7. National Association of Charitable Gift Planners

    EIN 351817596 · Headquarters: Westfield, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. National Association of Government Employees

    EIN 320329520 · Headquarters: Plainfield, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. National Association of Letter Carr

    EIN 356072080 · Headquarters: EVANSVILLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. National Association of Letter Carriers

    EIN 352087973 · Headquarters: Elkhart, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National Association of Letter Carriers

    EIN 356027095 · Headquarters: FORT WAYNE, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. National Association of Letter Carriers

    EIN 356041658 · Headquarters: La Porte, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. National Association of Letter Carriers

    EIN 356041961 · Headquarters: HIGHLAND, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. National Association of Letter Carriers

    EIN 356043720 · Headquarters: Mishawaka, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. National Association of Letter Carriers

    EIN 356068640 · Headquarters: Muncie, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National Association of Letter Carriers

    EIN 356070395 · Headquarters: CRAWFORDSVILL, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. National Association of Letter Carriers

    EIN 356070450 · Headquarters: Valparaiso, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. National Association of Letter Carriers

    EIN 356070453 · Headquarters: Brazil, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National Association of Letter Carriers

    EIN 356070456 · Headquarters: Kokomo, IN, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. National Association of Letter Carriers

    EIN 356070486 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. National Association of Letter Carriers

    EIN 356070517 · Headquarters: Edindurgh, IN, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  22. National Association of Letter Carriers Afu-c10 Branch 1399

    EIN 356041657 · Headquarters: East Chicago, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  23. National Association of Letter Carriers Auxiliary of USA 83

    EIN 363574262 · Headquarters: Fort Wayne, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. National Association of Letter Carriers Branch 330

    EIN 356042826 · Headquarters: SOUTH BEND, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. National Association of Letter Carriers Branch 39 Hoosier City

    EIN 351271317 · Headquarters: Indianapolis, IN, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  26. National Association of Letter Carriers Branch 466

    EIN 356041989 · Headquarters: Lafayette, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. National Association of Letter Carriers Local Branch 489

    EIN 356043612 · Headquarters: Anderson, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. National Association of Letters Carriers

    EIN 356070527 · Headquarters: Dunkirk, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. National Association of Miniature Enthusiasts

    EIN 510145854 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. National Association of Miniature Enthusiasts

    EIN 830493638 · Headquarters: Carmel, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. National Association of Miniature Enthusiasts

    EIN 943012142 · Headquarters: Syracuse, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. National Association of Mutual Insurance Companies Inc

    EIN 350539460 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. National Association of Neonatal Nurses

    EIN 351810738 · Headquarters: Avon, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. National Association of Pipeline Safety Representatives

    EIN 581627295 · Headquarters: Indianapolis, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. National Association of Remodeling Industry

    EIN 351222479 · Headquarters: Zionsville, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. National Association of Retired & Veteran Railway Employees

    EIN 352041289 · Headquarters: Michigan City, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. National Association of Retired & Veteran Railway Employees

    EIN 363631744 · Headquarters: Fountaintown, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. National Association of Retired & Veteran Railway Employees

    EIN 562528674 · Headquarters: Saint John, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. National Association of Retired & Veteran Railway Employees

    EIN 800225526 · Headquarters: Peru, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. National Association of Tax Professionals

    EIN 351804504 · Headquarters: NAPPANEE, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. National Association of Women in Construction

    EIN 356042715 · Headquarters: Fishers, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. National Autism Association

    EIN 260210695 · Headquarters: Valparaiso, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. National Black Data Processing Associates Inc

    EIN 870731421 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. National Black Nurses Association Inc

    EIN 161750583 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. National Black Nurses Association Inc

    EIN 201035709 · Headquarters: Merrillville, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. National Campers & Hikers Association of Indiana

    EIN 237316441 · Headquarters: Rensselaer, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. National Christian Outreach

    EIN 351894021 · Headquarters: Indianapolis, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. National Conference of Insurance Guaranty Funds Inc

    EIN 363678111 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. National Consortium of Breast Centers Inc

    EIN 222721653 · Headquarters: WARSAW, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. National Contract Management Association

    EIN 383641843 · Headquarters: Greenwood, IN, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  51. National Council Acoustical Consultants

    EIN 222470786 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. National Council of Negro Women Inc

    EIN 550911280 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. National Council of Negro Women Inc

    EIN 911917310 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. National Council of Negro Women Inc

    EIN 911917311 · Headquarters: Gary, IN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. National Council on Measurement in Education Inc

    EIN 237381395 · Headquarters: BLOOMINGTON, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. National Council on Youth Leadership

    EIN 204124244 · Headquarters: Winchester, IN, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  57. National Detection and Patrol Canin E Association

    EIN 414651208 · Headquarters: Michigan City, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. National Domestic Violence Registry

    EIN 451352379 · Headquarters: Gary, IN, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  59. National Electrical Contractors Association Inc

    EIN 350823609 · Headquarters: EVANSVILLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. National Electrical Manufacturers Representatives Association

    EIN 237125957 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. National Engine Parts Manufacturers Association

    EIN 362421345 · Headquarters: BROWNSBURG, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. National Environmental Balancing Inc

    EIN 237301130 · Headquarters: Franklin, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. National Exchange Club

    EIN 203042313 · Headquarters: Franklin, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. National Exchange Club

    EIN 311035091 · Headquarters: Portage, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. National Exchange Club

    EIN 350299765 · Headquarters: MUNCIE, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. National Exchange Club

    EIN 351658439 · Headquarters: Speedway, IN, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. National Exchange Club

    EIN 351824255 · Headquarters: CHESTERTON, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. National Exchange Club

    EIN 356067593 · Headquarters: Goshen, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  69. National Exchange Club

    EIN 356088776 · Headquarters: Anderson, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. National Exchange Club

    EIN 356088803 · Headquarters: Bloomington, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. National Exchange Club

    EIN 474684347 · Headquarters: Greenfield, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. NATIONAL EXCHANGE CLUB Crystal Valley Exchange Club

    EIN 351892871 · Headquarters: Middlebury, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. National Federation of Music Clubs

    EIN 364751307 · Headquarters: Michigan City, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  74. National Federation of State High School Associations

    EIN 362167806 · Headquarters: Indianapolis, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. National Football League Physicians Society

    EIN 351887127 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  76. National Greentown Glass Assoc Inc

    EIN 351365415 · Headquarters: Greentown, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  77. National Guard Association of Indiana Inc

    EIN 351139039 · Headquarters: Indianapolis, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. National Huguenot Society

    EIN 356051310 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. National Institute for Fitness & Sport Inc

    EIN 311130407 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. National Institute of Governmental Purchasing Inc

    EIN 352052995 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. National Intercollegiate Soccer Officials Association

    EIN 231968208 · Headquarters: FORT WAYNE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. National Interscholastic Athletic Administrators Association Inc

    EIN 431259311 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. National Junior Tennis & Learning of Indianapolis Inc

    EIN 310892167 · Headquarters: Indianapolis, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. National Kitchen & Bath Assoc

    EIN 351786695 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. National League for Nursing Inc

    EIN 350929298 · Headquarters: Nashville, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. National Organization for Women Inc

    EIN 510242856 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. National Organization for Women Inc

    EIN 821389623 · Headquarters: Terre Haute, IN, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  88. National Organization for Women Inc

    EIN 821458101 · Headquarters: Fishers, IN, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  89. National Organization for Women Inc

    EIN 823393605 · Headquarters: VALPARAISO, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. National Organization for Women Inc

    EIN 883164157 · Headquarters: Fort Wayne, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. National Organization of Mothers of Twins Clubs Inc

    EIN 911913560 · Headquarters: GREENWOOD, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. National Panhellenic Conference Inc

    EIN 526057229 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. National Police Association Institute for Policy Studies Inc

    EIN 863094818 · Headquarters: Fishers, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. National Precast Concrete Association Inc

    EIN 351879729 · Headquarters: CARMEL, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. National Remotivation Therapy Organization Inc

    EIN 223017926 · Headquarters: Demotte, IN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  96. National Rural Education Association Foundation Inc

    EIN 742542096 · Headquarters: Jasper, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. National Rural Letter Carriers Association

    EIN 237233740 · Headquarters: THORNTOWN, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. National Rural Letter Carriers Association

    EIN 237233741 · Headquarters: COLUMBUS, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. National Rural Letter Carriers Association

    EIN 237233742 · Headquarters: PERU, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. National Rural Letter Carriers Association

    EIN 237233749 · Headquarters: MUNCIE, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages