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. Oak Village Inc

    EIN 351493756 · Headquarters: OAKTOWN, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. Oakdale Cemetery Association

    EIN 351045924 · Headquarters: DILLSBORO, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Oakland City University Foundation Inc

    EIN 237442945 · Headquarters: Oakland City, IN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  4. Oaklawn Cemetery Association Inc

    EIN 350555750 · Headquarters: North Manchester, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Oaklawn Foundation for Mental Health In

    EIN 356060037 · Headquarters: GOSHEN, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Oaktown High School Alumni Association

    EIN 351406036 · Headquarters: Vincennes, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Oasis Club of St Pauls Catholic Church

    EIN 310886393 · Headquarters: Valparaiso, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Odd Fellows Cemetary

    EIN 350214257 · Headquarters: CARLISLE, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Odon Housing Corp

    EIN 237369442 · Headquarters: ODON, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Off Work Assistance Fund Incorporated

    EIN 352048626 · Headquarters: Newburgh, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  11. Office Committee Union

    EIN 237045757 · Headquarters: COLUMBUS, IN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  12. Offshore Super Series Power Boat Racing Assoc

    EIN 272175449 · Headquarters: Auburn, IN, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  13. Og Landheim Police and Working Dog Association Inc

    EIN 454576185 · Headquarters: Dyer, IN, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  14. Ohio Association of Mutual Insurance Companies % Dave Grove

    EIN 340923599 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Ohio Auctioneers Association

    EIN 310673333 · Headquarters: Indianapolis, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Ohio County 4-H Classy Clovers

    EIN 923633571 · Headquarters: Rising Sun, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  17. Ohio County Historical Society Inc

    EIN 237078487 · Headquarters: RISING SUN, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Ohio County Rescue Services Inc

    EIN 351358865 · Headquarters: RISING SUN, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Ohio Falls Holiness Association Inc

    EIN 352088964 · Headquarters: NEW ALBANY, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Ohio Valley Blind Association Inc

    EIN 351685280 · Headquarters: CORYDON, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  21. Ohio Valley Choral Festival Association

    EIN 351699685 · Headquarters: CLARKSVILLE, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Ohio Valley Real Estate Management Association

    EIN 465087680 · Headquarters: Evansville, IN, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  23. Ohio Valley Search and Rescue Dog Association

    EIN 351938658 · Headquarters: Evansville, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Old Capitol Saddle Club

    EIN 237123674 · Headquarters: CORYDON, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Old Courthouse Foundation Inc

    EIN 237006430 · Headquarters: EVANSVILLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Old Firehouse Community Center Inc

    EIN 351861713 · Headquarters: Schererville, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Old Goshen Church & Cemetery Memorial Foundation Inc

    EIN 356027123 · Headquarters: Laconia, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Old Northwest Corporation

    EIN 237345212 · Headquarters: VINCENNES, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Old Sheriffs House Foundation Incor

    EIN 311251683 · Headquarters: CROWN POINT, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Old Star City Cemetery Association Inc

    EIN 351502330 · Headquarters: Star City, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Old Stone House Estates Owners Association Inc

    EIN 311069268 · Headquarters: Newburgh, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Old Tippecanoe Quilt Guild

    EIN 351615372 · Headquarters: Lafayette, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Old Trails Rifle & Pistol Club Inc

    EIN 356061553 · Headquarters: RICHMOND, IN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  34. Old Westend Neighborhood Economic Redevelopment Corporation

    EIN 311186905 · Headquarters: Muncie, IN, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  35. Olen J Miller Benefit Fund

    EIN 472882383 · Headquarters: NAPPANEE, IN, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  36. Olive B Cole Foundation Inc

    EIN 356040491 · Headquarters: Fort Wayne, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  37. Olive Branch Cemetery

    EIN 356027781 · Headquarters: DILLSBORO, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Olive Branch Community Cemetery

    EIN 465138011 · Headquarters: SALEM, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Oliver & Martin Lakes Conservation & Improvement Assoc INC

    EIN 351592206 · Headquarters: Fort Wayne, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Oliver Lake Resort Cooperative Inc

    EIN 208747092 · Headquarters: Angola, IN, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  41. Oliver P Rogers Ditch Association

    EIN 356201499 · Headquarters: ELKHART, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Olivet Foundation Inc

    EIN 237026852 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  43. Omega Chapter of Alpha Chi Omega Fraternity Inc

    EIN 910123752 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Omega Psi Phi Franternity

    EIN 871361127 · Headquarters: Fishers, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Omega Psi Phi Fraternity Alpha Chi

    EIN 460982670 · Headquarters: Gary, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Omicron Chapter of Alpha Chi Omega Fraternity Inc

    EIN 486117942 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Omicron Omicron Chapter

    EIN 562376534 · Headquarters: Martinsville, IN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  48. Omni Centre for Public Media Inc

    EIN 351687687 · Headquarters: Carmel, IN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  49. One Half Century Club

    EIN 350560985 · Headquarters: CLINTON, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. One Meal One Mission

    EIN 414620317 · Headquarters: Greenwood, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. One More Citizen Inc

    EIN 932773005 · Headquarters: South Bend, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. One Nation Indivisible Madison County Inc

    EIN 823049534 · Headquarters: Anderson, IN, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  53. One of Ten Ministries and Church Corporation

    EIN 923315654 · Headquarters: Fairmount, IN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  54. One Purpose Senior Adventures Inc

    EIN 861489123 · Headquarters: Fort Wayne, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. One Zone Inc

    EIN 351324593 · Headquarters: FISHERS, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Oneidas Homes for Veterans

    EIN 863897949 · Headquarters: HOBART, IN, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  57. Opeiu 0001

    EIN 350915588 · Headquarters: KOKOMO, IN, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  58. Opera for Today

    EIN 993663299 · Headquarters: ROANOKE, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Operation Love Ministries Inc

    EIN 311114443 · Headquarters: ANDERSON, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Operative Dentistry Inc C/o Iu School of Dentistry

    EIN 910986507 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Operative Plasterers & Cement Masons Intl Assoc of in & Ky Local 692

    EIN 351854655 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Ophthalmic Photographers Society Inc

    EIN 596564114 · Headquarters: Westfield, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Opportunity Housing Inc of Putnam County

    EIN 351770828 · Headquarters: GREENCASTLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Optimal Rhythms Inc

    EIN 463704955 · Headquarters: NEWBURGH, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Optimist Club of Elwood

    EIN 237327069 · Headquarters: ELWOOD, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Optimist Club of Fishers Inc

    EIN 922356426 · Headquarters: Fortville, IN, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  67. Optimist Club of Greensburg in Inc

    EIN 237117373 · Headquarters: GREENSBURG, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Optimist Club Of Lapel Incorporated

    EIN 237383681 · Headquarters: Lapel, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Optimist Club of Terre Haute Inc

    EIN 356043734 · Headquarters: TERRE HAUTE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Optimist International

    EIN 237011617 · Headquarters: Lafayette, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Optimist International

    EIN 237038061 · Headquarters: Avon, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Optimist International

    EIN 237108819 · Headquarters: Danville, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Optimist International

    EIN 237124567 · Headquarters: Santa Claus, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Optimist International

    EIN 237258036 · Headquarters: Plainfield, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Optimist International

    EIN 311025894 · Headquarters: RUSHVILLE, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Optimist International

    EIN 311030206 · Headquarters: Zionsville, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Optimist International

    EIN 311047574 · Headquarters: Midddlebury, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Optimist International

    EIN 350919476 · Headquarters: Evansville, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Optimist International

    EIN 350950801 · Headquarters: Elkhart, IN, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  80. Optimist International

    EIN 351438767 · Headquarters: Rochester, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Optimist International

    EIN 351479642 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  82. Optimist International

    EIN 351683408 · Headquarters: ELKHART, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Optimist International

    EIN 351683486 · Headquarters: Jasper, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Optimist International

    EIN 351750326 · Headquarters: Elkhart, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Optimist International

    EIN 356031134 · Headquarters: INDIANAPOLIS, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Optimist International

    EIN 356033836 · Headquarters: Clarksville, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Optimist International

    EIN 356041250 · Headquarters: MARKLEVILLE, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Optimist International

    EIN 356041582 · Headquarters: Lafayette, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Optimist International

    EIN 356041969 · Headquarters: Georgetown, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Optimist International

    EIN 356042577 · Headquarters: Fort Wayne, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  91. Optimist International

    EIN 356043728 · Headquarters: New Castle, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Optimist International

    EIN 356044025 · Headquarters: Terre Haute, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Optimist International

    EIN 356044093 · Headquarters: Roanoke, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Optimist International

    EIN 356054359 · Headquarters: Evansville, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Optimist International

    EIN 356055426 · Headquarters: indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  96. Optimist International

    EIN 356055731 · Headquarters: Craigville, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Optimist International

    EIN 356058310 · Headquarters: Huntingburg, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Optimist International

    EIN 356067624 · Headquarters: Mount Summit, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Optimist International

    EIN 356067630 · Headquarters: Elkhart, IN, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  100. Optimist International

    EIN 356089558 · Headquarters: Huntington, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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