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. Optimist International 05301 Jasper

    EIN 510173804 · Headquarters: JASPER, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Optimist International 06000 Opti Club of Alamo He

    EIN 746062049 · Headquarters: SAN ANTONIO, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Optimist International 07155 Iib Oc of Tulsa Oklahoma

    EIN 814150234 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  4. Optimist International 09205 OC of Wausau WI

    EIN 396080002 · Headquarters: Wausau, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  5. Optimist International 14850 Optimist Club Ventura East Ca

    EIN 911988388 · Headquarters: VENTURA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Optimist International 16001 Optimist Club of Hanover Va

    EIN 900424207 · Headquarters: MECHANICSVILLE, VA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  7. Optimist International 16040 Colonial Heights VA

    EIN 546052626 · Headquarters: Colonial Heights, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Optimist International 16090 Oc of Herndon Va

    EIN 546056468 · Headquarters: HERNDON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Optimist International 17200 Oc of Battle Creek-harper Creek

    EIN 386117931 · Headquarters: BATTLE CREEK, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Optimist International 17245 Oc of Lapeer Mi

    EIN 386090712 · Headquarters: LAPEER, MI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  11. Optimist International 17360 Shelby Mi

    EIN 386157893 · Headquarters: SHELBY, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Optimist International 22155 Oc of St Andrews Sc

    EIN 237156333 · Headquarters: COLUMBIA, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Optimist International 23158 Everest Area WI

    EIN 237176955 · Headquarters: Schofield, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Optimist International 29043 Fairhope Eastern Shore

    EIN 237281153 · Headquarters: FAIRHOPE, AL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Optimist International 30110 Downtown OC of Columbia MO

    EIN 436034157 · Headquarters: Columbia, MO, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  16. Optimist International 30430 Columbia Sunrise MO

    EIN 436047747 · Headquarters: Columbia, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Optimist International 30500 Washington Mo

    EIN 436045301 · Headquarters: WASHINGTON, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Optimist International 32072 Oc of La Grande Or

    EIN 237011618 · Headquarters: LA GRANDE, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Optimist International 32120 Peninsula St Johns

    EIN 936022448 · Headquarters: Portland, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Optimist International 33097 Oc of Westminster Gamber

    EIN 237008717 · Headquarters: FINKSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Optimist International 33211 Ocean City - Berlin Md

    EIN 237249869 · Headquarters: OCEAN PINES, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Optimist International 35171 Optimist Club of Worthington

    EIN 411947174 · Headquarters: WORTHINGTON, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Optimist International 36515 West Plains Missouri

    EIN 431203611 · Headquarters: WEST PLAINS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Optimist International 37035

    EIN 481064623 · Headquarters: CONCORDIA, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Optimist International 37105 Breakfast Junction City Ks

    EIN 486118116 · Headquarters: JUNCTION CITY, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Optimist International 37999 Kansas District

    EIN 486116754 · Headquarters: Topeka, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Optimist International 38006 Arlington Comnty Athletics Tx

    EIN 752303749 · Headquarters: ARLINGTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Optimist International 38075 Optimist Club of Paris-bft Tx

    EIN 756079283 · Headquarters: PARIS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Optimist International 38187 Optimist Club of Granbury Tx

    EIN 751320238 · Headquarters: GRANBURY, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Optimist International 38345 Optimist Club of Pampa Tx

    EIN 756034970 · Headquarters: PAMPA, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Optimist International 39050 Monroe Greater La

    EIN 726025409 · Headquarters: MONROE, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Optimist International 39140 Gretna La

    EIN 726031433 · Headquarters: GRETNA, LA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. OPTIMIST INTERNATIONAL 40038 QC of Davenport-Quad Cities-Morning

    EIN 421276656 · Headquarters: DAVENPORT, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Optimist International 42095

    EIN 237017490 · Headquarters: MATTHEWS, NC, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  35. Optimist International 44030

    EIN 566062615 · Headquarters: BOONE, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Optimist International Adrian

    EIN 237039960 · Headquarters: ADRIAN, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Optimist International Ashland

    EIN 436062762 · Headquarters: ASHLAND, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. OPTIMIST INTERNATIONAL Bay City Noon Optimist Club

    EIN 386090705 · Headquarters: Bay City, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Optimist International Bluelick Club

    EIN 237069111 · Headquarters: HILLVIEW, KY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  40. Optimist International Brookings

    EIN 237178276 · Headquarters: BROOKINGS, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Optimist International Carroll County - Freedom District Maryland

    EIN 526062686 · Headquarters: SYKESVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  42. Optimist International Chowan Edenton Optimist Club Inc

    EIN 561276425 · Headquarters: EDENTON, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Optimist International Club

    EIN 346608158 · Headquarters: CORTLAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Optimist International Club of Wilmington Nc Inc

    EIN 565066727 · Headquarters: WILMINGTON, NC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  45. Optimist International Club of Winnie-Stowell Noon

    EIN 760298075 · Headquarters: Winnie, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. OPTIMIST INTERNATIONAL DBA Optimist Club of North Liberty

    EIN 237273007 · Headquarters: North Liberty, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Optimist International Dubuque IA

    EIN 426091411 · Headquarters: Dubuque, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Optimist International East Lincoln

    EIN 566092605 · Headquarters: DENVER, NC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  49. Optimist International East Valley Optimist Club of Yuma

    EIN 900314694 · Headquarters: Yuma, AZ, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. Optimist International Hereford Optimist Club

    EIN 912134751 · Headquarters: MONKTON, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Optimist International Hikes Point

    EIN 616034815 · Headquarters: LOUISVILLE, KY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  52. Optimist International International City Optimist Club Inc

    EIN 911931701 · Headquarters: Warner Robins, GA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  53. Optimist International Luverne

    EIN 411330969 · Headquarters: LUVERNE, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. OPTIMIST INTERNATIONAL Mill Creek Optimist Club

    EIN 351895723 · Headquarters: Plainfiled, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Optimist International of Richmond

    EIN 356086633 · Headquarters: RICHMOND, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Optimist International Optimist Club of Bismarck

    EIN 237122545 · Headquarters: Bismarck, ND, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. OPTIMIST INTERNATIONAL Optimist Club of Clayton

    EIN 436048876 · Headquarters: Foristell, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. OPTIMIST INTERNATIONAL Optimist Club of Glen Lake

    EIN 416037377 · Headquarters: minnetonka, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Optimist International Optimist Club of Raleigh 43355

    EIN 566048700 · Headquarters: RALEIGH, NC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  60. Optimist International Optimist Club of Van Wert Ohio Club 24391

    EIN 341328741 · Headquarters: VAN WERT, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  61. Optimist International Pensacola 60340

    EIN 596168848 · Headquarters: PENSACOLA, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Optimist International Prior Lake-savage Optimist Club

    EIN 411335814 · Headquarters: PRIOR LAKE, MN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  63. OPTIMIST INTERNATIONAL Sandhills Optimist Club 42410

    EIN 561610811 · Headquarters: SOUTHERN PNES, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Optimist International St David St David Optimist Club

    EIN 376045010 · Headquarters: ST DAVID, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Optimist International The Optimist Club of Lakeside

    EIN 956066409 · Headquarters: Lakeside, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Optimist International Warsaw 04555

    EIN 356203552 · Headquarters: WARSAW, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. OPTIMIST INTERNATIONAL Watertown Optimist Club

    EIN 510184402 · Headquarters: Watertown, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Optimist International Wilmington

    EIN 560860873 · Headquarters: Wilmington, NC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  69. Optimist International- Pacific Central District

    EIN 946122209 · Headquarters: CARSON CITY, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Optimist International-29130 Mobile

    EIN 630251837 · Headquarters: MOBILE, AL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  71. Optimist International-centerville Ohio Noon

    EIN 316083734 · Headquarters: Dayton, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  72. OPTIMIST INTERNATIONAL-Denver Monaco South CO

    EIN 510200090 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  73. Optimist International-miami Lakes

    EIN 237033675 · Headquarters: MIAMI LAKES, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Optimist Internationalga 21270 Tybee Island

    EIN 452950785 · Headquarters: Tybee Island, GA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  75. Optimist Internationl

    EIN 872670882 · Headquarters: Bristol, IN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Optimist Internationl

    EIN 911781147 · Headquarters: Slater, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Optimist Interntional

    EIN 823360744 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Optimist Intl 04375 OC of Mishawaka IN

    EIN 351495008 · Headquarters: Mishawaka, IN, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  79. Optimist Intl 36Th District West Mo

    EIN 436066740 · Headquarters: OSCEOLA, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Optimist Intl Sunrise Optimist Club

    EIN 751532133 · Headquarters: WICHITA FALLS, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Optimist Leukemia Foundation of Louisiana Inc

    EIN 720780934 · Headquarters: Bossier City, LA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  82. Optimist Santa Pal Club Asheville Nc Inc

    EIN 566055643 · Headquarters: ASHEVILLE, NC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  83. Optimist Scholarship Foundation of Southeast Texas

    EIN 746064240 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Optimist Service Fund San Antonio Inc

    EIN 742455686 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Optimist Shift Foundation

    EIN 332246120 · Headquarters: Atlanta, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Optimist-Club-Mulvane

    EIN 237383689 · Headquarters: MULVANE, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Optimists Club of Cedar Rapids Inc

    EIN 426078628 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Optimists International

    EIN 871592228 · Headquarters: Novi, MI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. Optimists Without Borders USA Inc

    EIN 474628921 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Optimitsts Club of Wahpeton Youth and Charitable Activities Trust

    EIN 456057135 · Headquarters: Wahpeton, ND, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Optimum Health and Energy

    EIN 475215235 · Headquarters: Grapevine, TX, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  92. Optimum Learning Environments Charter School

    EIN 364494477 · Headquarters: KEIZER, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Optimum Stem Education and Research Organization Inc

    EIN 862973969 · Headquarters: NEWINGTON, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  94. Optimum Volleyball Club Inc

    EIN 872152402 · Headquarters: LIBERTY, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Optineeds

    EIN 813600764 · Headquarters: Newton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Option House

    EIN 953760212 · Headquarters: SAN BERNARDINO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Options a Pregnancy Resource Center Inc

    EIN 710537808 · Headquarters: JONESBORO, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Options Beyond the Box

    EIN 061783787 · Headquarters: Anaheim, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  99. Options Cafe Inc

    EIN 824861309 · Headquarters: Brandon, FL, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  100. Options Community Resources Inc

    EIN 852035786 · Headquarters: Baton Rouge, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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