Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 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. Opportunity Workshop Inc of Gentry Co

    EIN 430980574 · Headquarters: STANBERRY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Opposing IKEs Misleading Referendum Sponsored By

    EIN 921867659 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  3. Oppticorps Inc

    EIN 473743127 · Headquarters: Bala Cynwyd, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Opry Trust Fund Inc

    EIN 626063245 · Headquarters: NASHVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Opsc Lodge Corp Oak Park Ski Club Lodge Corp Inc

    EIN 362803641 · Headquarters: Buffalo Grove, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. OPSIS Education Foundation

    EIN 883807594 · Headquarters: Cordova, TN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Opt for Action

    EIN 852784506 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  8. Optage Health Plans

    EIN 823864976 · Headquarters: Roseville, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Optba

    EIN 274035680 · Headquarters: West Seneca, NY, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  10. Opti-mrs Club of Ft Worth

    EIN 450482212 · Headquarters: FORT WORTH, TX, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  11. Optical Illusions the Michigan Blind Skier

    EIN 382132706 · Headquarters: Ortonville, MI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Optical Society of America Student Chapter at Cu Boulder

    EIN 464933784 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  13. Optical Society of Chicago

    EIN 821221666 · Headquarters: Des Plaines, IL, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  14. Opticians Association of Alaska Inc

    EIN 920063144 · Headquarters: FAIRBANKS, AK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Opticians Association of America

    EIN 135573087 · Headquarters: Lakeland, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Opticians Association of Georgia Inc

    EIN 581336558 · Headquarters: BUFORD, GA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  17. Opticians Association of Illinois

    EIN 371224166 · Headquarters: Springfield, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  18. Opticians Association of MA Inc

    EIN 042955807 · Headquarters: Medway, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Opticians Association of Michigan

    EIN 382073268 · Headquarters: DEWITT, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Opticians Association of Ohio

    EIN 346571415 · Headquarters: LOVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Opticians Association of Oregon Inc

    EIN 930857989 · Headquarters: Estacada, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Opticians Association of Virginia

    EIN 510237251 · Headquarters: Richmond, VA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  23. Optics and Electro Optics Standards Council

    EIN 860843480 · Headquarters: WEBSTER, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Optihealth Initiative

    EIN 331438328 · Headquarters: FORT LAUDERDALE, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Optim Medical Center- Tattnall Auxiliary

    EIN 464868362 · Headquarters: Reidsville, GA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  26. Optima Family Care of North Carolina Inc

    EIN 823610648 · Headquarters: Virginia Beach, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Optima Health of North Carolina Llc

    EIN 823623430 · Headquarters: VIRGINIA BEACH, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Optimal Care Services

    EIN 922763723 · Headquarters: FLOSSMOOR, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. Optimal Rhythms Inc

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

  30. Optimist Club Foundation

    EIN 341242928 · Headquarters: CORTLAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Optimist Club Foundation of Baytown

    EIN 760190638 · Headquarters: BAYTOWN, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  32. Optimist Club Foundation of Central Detroit

    EIN 382832969 · Headquarters: Detroit, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Optimist Club Foundation of Mexico Missouri Inc

    EIN 431219901 · Headquarters: MEXICO, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Optimist Club Kettering Dor Wood Ohio Db Dba the Dor-wood Optimist Club

    EIN 316064624 · Headquarters: KETTERING, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Optimist Club Memorial Trust Fund

    EIN 751684230 · Headquarters: WICHITA FALLS, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Optimist Club of Allouez Green Bay Wisc Dba Optimist International

    EIN 510205996 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Optimist Club of Arlington TX

    EIN 756036775 · Headquarters: Arlington, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  38. Optimist Club of Bandera

    EIN 320672678 · Headquarters: Bandera, TX, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. Optimist Club of Baytown

    EIN 746062569 · Headquarters: BAYTOWN, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  40. Optimist Club of Belleville Inc

    EIN 376032267 · Headquarters: BELLEVILLE, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Optimist Club of Bloomington Minnesota

    EIN 237305573 · Headquarters: Bloomington, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Optimist Club of Bossier City

    EIN 726031435 · Headquarters: BOSSIER CITY, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Optimist Club of Boyertown

    EIN 236274613 · Headquarters: BOYERTOWN, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Optimist Club of Burbank

    EIN 954572694 · Headquarters: SUN VALLEY, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  45. Optimist Club of Cape Girardeau- Noon

    EIN 431210995 · Headquarters: CAPE GIRARDEAU, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Optimist Club of Cockeysville Inc

    EIN 200802356 · Headquarters: Cockeysville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Optimist Club of Conway Arkansas

    EIN 716059668 · Headquarters: CONWAY, AR, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  48. Optimist Club of Country Club

    EIN 946175355 · Headquarters: Roseville, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Optimist Club of Deerfield

    EIN 363534194 · Headquarters: DEERFIELD, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Optimist Club of Des Plaines

    EIN 366083729 · Headquarters: DES PLAINES, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Optimist Club of Dickinson

    EIN 450369446 · Headquarters: DICKINSON, ND, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  52. Optimist Club of Elwood

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

  53. Optimist Club of Fairbanks 32062 Fairbanks Ak

    EIN 920141899 · Headquarters: FAIRBANKS, AK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Optimist Club of Fairfield Oh

    EIN 316061438 · Headquarters: FAIRFIELD, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  55. Optimist Club of Fayette

    EIN 900355995 · Headquarters: Fayette, MO, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  56. Optimist Club of Fishers Inc

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

  57. Optimist Club of Fort Worth

    EIN 750275625 · Headquarters: FORT WORTH, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Optimist Club of Frederick Optimist Club of Frederick

    EIN 526062682 · Headquarters: MYERSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Optimist Club of Fredericksburg

    EIN 742275436 · Headquarters: FREDERICKSBURG, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  60. Optimist Club of Gamewell

    EIN 237034124 · Headquarters: LENOIR, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Optimist Club of Garner Inc

    EIN 561397520 · Headquarters: GARNER, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Optimist Club of Green Bay Foundation Inc

    EIN 391775441 · Headquarters: Green Bay, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Optimist Club of Green Bay Inc

    EIN 396079687 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. 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

  65. Optimist Club of Howard-suamico

    EIN 237297962 · Headquarters: SUAMICO, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  66. Optimist Club of Howell Inc

    EIN 223065443 · Headquarters: ADELPHIA, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Optimist Club of Inter City

    EIN 430905951 · Headquarters: Independence, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Optimist Club of Ives Estates Inc

    EIN 596168880 · Headquarters: North Miami Beach, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Optimist Club of Jefferson City

    EIN 446013705 · Headquarters: JEFFERSON CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Optimist Club of King George Va

    EIN 912061510 · Headquarters: KING GEORGE, VA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  71. Optimist Club of Knoxville

    EIN 626047804 · Headquarters: KNOXVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  72. Optimist Club of Kutztown

    EIN 232171268 · Headquarters: Kutztown, PA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  73. Optimist Club of Lake Gaston

    EIN 814474459 · Headquarters: Bracey, VA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  74. Optimist Club Of Lapel Incorporated

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

  75. Optimist Club of Lawndale Tua

    EIN 953766429 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. Optimist Club of Lincoln

    EIN 476031608 · Headquarters: LINCOLN, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Optimist Club of Lincoln Youth Activity Corp

    EIN 237166772 · Headquarters: LINCOLN, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Optimist Club of Lubbock

    EIN 756036539 · Headquarters: LUBBOCK, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  79. Optimist Club of Madison Foundation Inc

    EIN 391395176 · Headquarters: OREGON, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  80. Optimist Club of Manhattan Kansas Inc

    EIN 486118677 · Headquarters: MANHATTAN, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Optimist Club of Marco Island

    EIN 900401598 · Headquarters: Marco Island, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Optimist Club of Menomonee Falls Inc

    EIN 237297960 · Headquarters: MENOMONEE FALLS, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Optimist Club of Merrill Wisconsin Inc

    EIN 396126962 · Headquarters: MERRILL, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Optimist Club of Mexico Missouri Inc

    EIN 430907590 · Headquarters: MEXICO, MO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  85. Optimist Club of Miami Shores Inc

    EIN 592261788 · Headquarters: north miami beach, FL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  86. Optimist Club of Minden Ne Inc

    EIN 237281157 · Headquarters: MINDEN, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Optimist Club of Minot North Dakota

    EIN 931411996 · Headquarters: MINOT, ND, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. Optimist Club of Naples Foundation Inc

    EIN 592773208 · Headquarters: NAPLES, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Optimist Club of Naples Inc

    EIN 596168888 · Headquarters: Naples, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Optimist Club of New Iberia

    EIN 726027939 · Headquarters: NEW IBERIA, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Optimist Club of New Ulm Inc

    EIN 411925076 · Headquarters: NEW ULM, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Optimist Club of Nipomo

    EIN 394483095 · Headquarters: PASO ROBLES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Optimist Club of Norman

    EIN 237106509 · Headquarters: NORMAN, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Optimist Club of Northeast Portland

    EIN 936028706 · Headquarters: Battle Ground, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  95. Optimist Club of O'Fallon MO Inc

    EIN 911938866 · Headquarters: St Charles, MO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  96. Optimist Club of Omaha Youth Foundation

    EIN 476032576 · Headquarters: Omaha, NE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Optimist Club of Orlando Charitable Trust

    EIN 596871484 · Headquarters: Winter Garden, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. Optimist Club of Passaic Inc

    EIN 226063481 · Headquarters: Passaic, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Optimist Club of Pembroke Lakes Florida Inc

    EIN 591868698 · Headquarters: Pembroke Pines, FL, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  100. Optimist Club of Perdido Bay

    EIN 630928705 · Headquarters: Lillian, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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