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. Clark and Ruby Baker Foundation

    EIN 581429097 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  2. Clark Aquatic Foundation

    EIN 811395404 · Headquarters: Front Royal, VA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  3. Clark Cemetery

    EIN 273639086 · Headquarters: Hannibal, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Clark Center Cemeteries Inc

    EIN 273328227 · Headquarters: Clark, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Clark Center Cemetery Xxx-xx-xxxx

    EIN 376339554 · Headquarters: EVANSVILLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  6. Clark Chamber of Commerce

    EIN 460253410 · Headquarters: Clark, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Clark Charitable Foundation Xxxxx2003

    EIN 136049032 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  8. Clark Charitable Trust

    EIN 046037650 · Headquarters: LINCOLN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. Clark Co Reg Med Ctr S Bush

    EIN 616159751 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  10. Clark Co Reg Med Ctr S Mccormick

    EIN 616160125 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. Clark Coalition Inc

    EIN 851964548 · Headquarters: WINCHESTER, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Clark Colony School

    EIN 363320353 · Headquarters: RAYMOND, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Clark Colony Water Company

    EIN 940387647 · Headquarters: GREENFIELD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Clark Commandery Association of New Haven Commandery 2

    EIN 900360077 · Headquarters: West Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Clark Companies Medical Benefit Plan

    EIN 611084986 · Headquarters: BOWLING GREEN, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Clark County 4-H Foundation

    EIN 710537820 · Headquarters: Arkadelphia, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Clark County 911 Supervisors Guild

    EIN 883593689 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Clark County Amateur Radio Club

    EIN 910816017 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Clark County Association of Realtors

    EIN 237147863 · Headquarters: VANCOUVER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Clark County Association of School Administrators

    EIN 942930926 · Headquarters: LAS VEGAS, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Clark County Band Boosters Inc

    EIN 311101246 · Headquarters: WINCHESTER, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Clark County Bar Association

    EIN 316034515 · Headquarters: SPRINGFIELD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Clark County Bar Association

    EIN 880198269 · Headquarters: Las Vegas, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Clark County Beagle Club Inc

    EIN 316063358 · Headquarters: SPRINGFIELD, OH, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  25. Clark County Beekeepers Association

    EIN 611782451 · Headquarters: BRUSH PRAIRIE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Clark County Casting and Conservation Club

    EIN 356041719 · Headquarters: Jeffersonville, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Clark County Children's Council Inc

    EIN 611028432 · Headquarters: WINCHESTER, KY, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  28. Clark County Citizens United

    EIN 911661129 · Headquarters: YACOLT, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Clark County Coin Club

    EIN 800612974 · Headquarters: Enon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Clark County Columbian Club

    EIN 351695439 · Headquarters: JEFFERSONVILLE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Clark County Conservative Chamber of Commerce

    EIN 881009162 · Headquarters: Las Vegas, NV, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  32. Clark County Corrections Guild

    EIN 911660676 · Headquarters: VANCOUVER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Clark County Council for Retarded Citizens

    EIN 310603479 · Headquarters: Springfield, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  34. Clark County Dairy Women

    EIN 911360082 · Headquarters: VANCOUVER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Clark County Dirty Boots 4H Club

    EIN 922761127 · Headquarters: Springfield, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Clark County Economic Development Corporation

    EIN 391690946 · Headquarters: LOYAL, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Clark County Education Association

    EIN 880104093 · Headquarters: LAS VEGAS, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Clark County Educational Association

    EIN 263958538 · Headquarters: Winchester, KY, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  39. Clark County Employees Association

    EIN 943107811 · Headquarters: VANCOUVER, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Clark County Executive Horse Council

    EIN 911238192 · Headquarters: Vancouver, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Clark County Exention Homemakers

    EIN 800621502 · Headquarters: Winchester, KY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  42. Clark County Extension Homemakers Assn

    EIN 351925802 · Headquarters: MEMPHIS, IN, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  43. Clark County Fair Association

    EIN 237210119 · Headquarters: Marshall, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Clark County Fair Association

    EIN 916058026 · Headquarters: Ridgefield, WA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  45. Clark County Farm Bureau

    EIN 316032518 · Headquarters: Troy, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Clark County Farm Bureau

    EIN 370218700 · Headquarters: MARTINSVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Clark County Farm Bureau

    EIN 430713982 · Headquarters: KAHOKA, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Clark County Farm Bureau

    EIN 710286421 · Headquarters: ARKADELPHIA, AR, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  49. Clark County Farm Bureau Inc

    EIN 393488924 · Headquarters: DUBOIS, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Clark County Ffa Alumni

    EIN 300872685 · Headquarters: Winchester, KY, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  51. Clark County Fire Fighters L 1908 Pac Fund

    EIN 510515521 · Headquarters: LAS VEGAS, NV, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  52. Clark County Firefighters Local 1908 Sec Fund

    EIN 880244888 · Headquarters: LAS VEGAS, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Clark County Firefighters Local Iaff Local 1908

    EIN 237082435 · Headquarters: LAS VEGAS, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Clark County Fish & Game Club Inc

    EIN 610157852 · Headquarters: WINCHESTER, KY, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  55. Clark County Folk Festival

    EIN 463473500 · Headquarters: Amboy, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  56. Clark County Food Bank

    EIN 911307564 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Clark County Genealogical Library

    EIN 371359238 · Headquarters: Marshall, IL, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  58. Clark County Genealogical Society

    EIN 237331548 · Headquarters: Vancouver, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Clark County Genealogical Society

    EIN 311210670 · Headquarters: Springfield, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Clark County Historical Association Inc

    EIN 237281856 · Headquarters: Arkadelphia, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Clark County Historical Museum

    EIN 916055341 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Clark County Historical Society

    EIN 237121074 · Headquarters: Neillsville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Clark County Historical Society

    EIN 376061226 · Headquarters: Marshall, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Clark County Historical Society

    EIN 480759080 · Headquarters: ASHLAND, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Clark County Humane Association Inc

    EIN 356041720 · Headquarters: Jeffersonville, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Clark County Industrial Council Inc

    EIN 581763488 · Headquarters: Arkadelphia, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Clark County Labor Center

    EIN 911008028 · Headquarters: VANCOUVER, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Clark County Literacy Coalition

    EIN 311266695 · Headquarters: Springfield, OH, United States · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Clark County Matters

    EIN 612194497 · Headquarters: VANCOUVER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Clark County Medical Society

    EIN 916054758 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Clark County Medical Society Alliance

    EIN 237290810 · Headquarters: Las Vegas, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Clark County Medical Society Inc

    EIN 886004317 · Headquarters: LAS VEGAS, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Clark County Museum Guild

    EIN 880136205 · Headquarters: HENDERSON, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Clark County Nevada Genealogical Society

    EIN 880137746 · Headquarters: Henderson, NV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Clark County Optimist Boys Home and Ranch Inc

    EIN 886022264 · Headquarters: North Las Vegas, NV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Clark County Prosecutors Guild

    EIN 611639416 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  77. Clark County Public Education Foundation Inc

    EIN 880275767 · Headquarters: LAS VEGAS, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Clark County REMC

    EIN 350230915 · Headquarters: Sellersburg, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. Clark County Rescue Squad

    EIN 431331016 · Headquarters: Kahoka, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Clark County Riders

    EIN 460373774 · Headquarters: Webster, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Clark County Saddle Club Inc

    EIN 237138700 · Headquarters: Vancouver, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Clark County School Retirees Association

    EIN 911869217 · Headquarters: WASHOUGAL, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Clark County Sheriff's Protective Association

    EIN 886004026 · Headquarters: Las Vegas, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Clark County Volunteer Lawyers Program

    EIN 911477518 · Headquarters: Vancouver, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Clark Countys Responsible Growth Forum

    EIN 911488547 · Headquarters: Vancouver, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Clark D N Cotr Uw Griffin Hosp

    EIN 066031502 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  87. Clark Electric Cooperative

    EIN 390212464 · Headquarters: Greenwood, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Clark Energy Cooperative

    EIN 610158153 · Headquarters: Winchester, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Clark Equipment Retirees Club Inc

    EIN 611666804 · Headquarters: JACKSON, MI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  90. Clark F Lyman Deed Dtd 6 16 39 T08205

    EIN 046097630 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  91. Clark F Lyman Ind Dtd 9 12 44 T08248

    EIN 237162238 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  92. Clark F Lyman Uw Fbo Jeanette B Ellis T08460

    EIN 046014738 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  93. Clark Family Charitable Trust Iq Eq Trust Company Us Llc

    EIN 136948420 · Headquarters: BEDFORD, NH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  94. Clark Family Foundation Inc

    EIN 133322083 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  95. Clark Family Fund Inc

    EIN 650118632 · Headquarters: TAMPA, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  96. Clark Flegal Educational Trust

    EIN 256030462 · Headquarters: CLEARFIELD, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  97. Clark Fork Area Senior Services Inc

    EIN 820417654 · Headquarters: Clark Fork, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Clark Fork High School Booster Club

    EIN 943068342 · Headquarters: Clark Fork, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Clark Fork Manor Inc

    EIN 810372593 · Headquarters: Missoula, MT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Clark Fork School

    EIN 810413402 · Headquarters: MISSOULA, MT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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