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. Cassia Historical Society Inc

    EIN 237166037 · Headquarters: BURLEY, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Cassia Regional Hospital Medical Staff

    EIN 472023413 · Headquarters: Burley, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Cassidine Conway Foundaion

    EIN 471990376 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  4. Cassidy Foundation

    EIN 646035417 · Headquarters: MARKS, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  5. Cassidy Paws Inc

    EIN 934668638 · Headquarters: Staten Island, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  6. Cassie Grace Inc

    EIN 923996254 · Headquarters: Moreno Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Cassie Hallmark Memorial Scholarship Fund

    EIN 473111336 · Headquarters: CADDO, OK, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  8. Cassie Pearson Memorial Scholarship Fund Inc

    EIN 853980045 · Headquarters: Dighton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Cassies Cause Foundation

    EIN 883736024 · Headquarters: GERMANTOWN, TN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Cassillis Amd Council No 2-A

    EIN 262600239 · Headquarters: Fuquay Varina, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Cassity-Peterson Charitable Trust

    EIN 486315541 · Headquarters: Valley Center, KS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  12. Cassius M Dashiell

    EIN 526034728 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  13. Cassner Foundation

    EIN 386090665 · Headquarters: Hillsboro, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. Casss

    EIN 770048350 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Cassville Alliance for Teens Inc

    EIN 861168314 · Headquarters: Glen Haven, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  16. Cassville Auxiliary Personnel

    EIN 262707980 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Cassville Chamber of Commerce

    EIN 440582749 · Headquarters: CASSVILLE, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Cassville Education Association

    EIN 391701991 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Cassville Fire Department Inc

    EIN 161378429 · Headquarters: Cassville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Cassville Historical Society Inc

    EIN 391560026 · Headquarters: CASSVILLE, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  21. Cassville International Rotary Club

    EIN 436097929 · Headquarters: CASSVILLE, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Cassville Senior Center Inc

    EIN 431221410 · Headquarters: CASSVILLE, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Cassville Senior Citizens Rental Housing Inc

    EIN 431279780 · Headquarters: Cassville, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Cast

    EIN 112129868 · Headquarters: Southold, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Cast (Catch a Special Thrill) for Kids Foundation

    EIN 911582848 · Headquarters: SALEM, OR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Cast Bullet Association Inc

    EIN 351406947 · Headquarters: New Market, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Cast for a Cure Corporation

    EIN 843597510 · Headquarters: MORRIS, AL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  28. Cast Inc

    EIN 222906484 · Headquarters: MANCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Cast Iron Soil Pipe Institute

    EIN 362355999 · Headquarters: Mundelein, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Cast Member Church

    EIN 460970537 · Headquarters: Winter Garden, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Cast Stone Institute Inc

    EIN 900296330 · Headquarters: HAMILTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Cast the First Stone Ministry

    EIN 994887223 · Headquarters: Lebanon, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Cast Your Cares Inc

    EIN 412097613 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Cast Your Net Ministries Inc

    EIN 394542895 · Headquarters: Gainesville, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Casta Del Sol Ceramics Club

    EIN 994752728 · Headquarters: Mission Viejo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Casta Del Sol Lawn Bowling Club

    EIN 330122366 · Headquarters: Mission Viejo, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Castagnola Family Foundation

    EIN 770358709 · Headquarters: SANTA BARBARA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. Castaic Union PTA

    EIN 956205115 · Headquarters: Castaic, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Castalian Water Association

    EIN 640470729 · Headquarters: WEST, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Castaways Foundation

    EIN 363738769 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  41. Castaways Outrigger

    EIN 833554264 · Headquarters: Aliso Viejo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Castaways Repertory Theatre Company

    EIN 541238782 · Headquarters: Woodbridge, VA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  43. Casteel Family Foundation

    EIN 814318140 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  44. Castellammare Mesa Homeowners Inc

    EIN 956093169 · Headquarters: Pacific Palisades, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Castile Historical Society

    EIN 160994347 · Headquarters: Castile, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Castillero Music Booster Club

    EIN 770231151 · Headquarters: San Jose, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Castillo Dorado Foundation Limited

    EIN 992924078 · Headquarters: Coupland, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Castillo Tax Assistance Advocate

    EIN 992316607 · Headquarters: Windermere, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Castine Community Hospital

    EIN 010221126 · Headquarters: Castine, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Casting Bread Ministries

    EIN 453482657 · Headquarters: BLOWING ROCK, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Casting for Christ Missions Bass Tournament

    EIN 923939026 · Headquarters: Science Hill, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Castings Fishing & Aquaponics Center

    EIN 922909906 · Headquarters: CONYERS, GA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Castle Argyle

    EIN 954454256 · Headquarters: DUARTE, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  54. Castle Club

    EIN 800599079 · Headquarters: Vicskburg, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Castle Country Fuller Center for Housing

    EIN 870499002 · Headquarters: Price, UT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Castle Country On Call Transport Se Rvice

    EIN 883103467 · Headquarters: HELPER, UT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Castle Country Revival Riding

    EIN 933706997 · Headquarters: Price, UT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  58. Castle Court Complex Inc

    EIN 431093656 · Headquarters: LOWRY CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Castle Dome Middle School Band Booster

    EIN 273904627 · Headquarters: YUMA, AZ, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  60. Castle Duck Club Inc

    EIN 946087638 · Headquarters: Atwater, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Castle Foundation Co Greg Phillips

    EIN 876117177 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. Castle Foundation Inc

    EIN 366109305 · Headquarters: OAK BROOK, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  63. Castle Hayne Volunteer Fire Department Inc

    EIN 591753681 · Headquarters: Castle Hayne, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Castle High Band-aid Association

    EIN 237170082 · Headquarters: Kaneohe, HI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Castle Hills Quilt Guild

    EIN 273295490 · Headquarters: Castle Hills, TX, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  66. Castle Island Association

    EIN 042921546 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  67. Castle Lodge 122

    EIN 237106309 · Headquarters: Eagle, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Castle Masonic Temple Association

    EIN 237108875 · Headquarters: Eagle, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Castle Park Association

    EIN 380405905 · Headquarters: HOLLAND, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. Castle Point Foundation

    EIN 822267946 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  71. Castle Ridge Care Center Inc Dba Flagstone

    EIN 510171801 · Headquarters: ROSEVILLE, MN, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  72. Castle Rock 4H Archery Club

    EIN 320437233 · Headquarters: Forsyth, MT, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  73. Castle Rock Alumni Wrestling Foundation

    EIN 943192761 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Castle Rock Chamber of Commerce

    EIN 840802658 · Headquarters: CASTLE ROCK, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Castle Rock Chamber of Commerce

    EIN 911223285 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  76. Castle Rock Childrens Museum Inc

    EIN 881066641 · Headquarters: ELROY, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  77. Castle Rock Community Club

    EIN 372007428 · Headquarters: Necedah, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  78. Castle Rock Community Group Inc

    EIN 462858428 · Headquarters: Roanoke, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Castle Rock Fair

    EIN 916054565 · Headquarters: CASTLE ROCK, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Castle Rock Family Atv Club

    EIN 010691111 · Headquarters: Necedah, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Castle Rock Greenway Foundation Inc

    EIN 742288484 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Castle Rock Patriots 4-H Club Dakot a County Mn

    EIN 394499226 · Headquarters: Farmington, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Castle Rock Police Explorers

    EIN 852348181 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Castle Rock Pre-school Parent-teacher Organization

    EIN 237448479 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Castle Rock River Runners Inc

    EIN 391584243 · Headquarters: MAUSTON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Castle Rock Senior Citizens Inc

    EIN 911145648 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Castle Rock Toutle Lake Little League

    EIN 911154671 · Headquarters: CASTLE ROCK, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. Castle Shannon Firemens Relief Asso

    EIN 251876048 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Castle Shannon Volunteer Fire Dept

    EIN 250949798 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Castle Soccer Club

    EIN 351690198 · Headquarters: NEWBURGH, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Castle Square Tenants Organization Inc

    EIN 043016145 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Castle Squares Square Dance Club

    EIN 510304479 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  93. Castle Street Collective

    EIN 934317054 · Headquarters: Wilmington, NC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. Castle Valley Academy Inc

    EIN 237119022 · Headquarters: CASTLE VALLEY, UT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Castle Veterans Organization

    EIN 853918816 · Headquarters: Atwater, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Castlebay Lane Elementary School Parent and Teachers Helping

    EIN 237425881 · Headquarters: PORTER RANCH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Castlemont Home and School Club

    EIN 770083177 · Headquarters: CAMPBELL, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Castlen Harry W Trust Ua

    EIN 436029856 · Headquarters: EAGAN, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  99. Castlerock Temple Corporation

    EIN 464692332 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Castles and Bears Incorporated

    EIN 930989157 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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