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. Boughton George N Tw

    EIN 346515542 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-PF

  2. Boulder Aikikai Inc

    EIN 840882921 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Boulder Airport Association Inc

    EIN 990666349 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Boulder and White Rock Lateral and Siphon Company

    EIN 331212400 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. BOULDER AUDUBON SOCIETY Boulder County Audubon Society

    EIN 237170676 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Boulder Brook Civic Association

    EIN 510350192 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Boulder Brook Neighborhood Association

    EIN 453767850 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  8. Boulder Broomfield Foster Adoptive Family Association

    EIN 237425834 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  9. Boulder Chamber of Commerce

    EIN 840152700 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Boulder Chapter of the Piano Technicians Guild

    EIN 840891812 · Headquarters: Erie, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Boulder Citizens Climate Lobby

    EIN 472277511 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Boulder City Chamber of Commerce

    EIN 880025014 · Headquarters: BOULDER CITY, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Boulder City Community Club

    EIN 880153924 · Headquarters: BOULDER CITY, NV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Boulder City Firefighters Association

    EIN 462143151 · Headquarters: Boulder City, NV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Boulder City Hospital

    EIN 943141555 · Headquarters: Boulder City, NV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Boulder City Museum & Historical Association

    EIN 880167875 · Headquarters: BOULDER CITY, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Boulder City Sunrise Rotary Club

    EIN 880240023 · Headquarters: BOULDER CITY, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Boulder City Voa Elderly Housing I Quail Ridge Manor

    EIN 582043746 · Headquarters: ALEXANDRIA, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Boulder City Womens Club Inc

    EIN 886004311 · Headquarters: BOULDER CITY, NV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Boulder Concert Band Inc

    EIN 840770963 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Boulder Council for International Visitors Inc

    EIN 840698597 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Boulder County Amateur Radio Emergency Services Inc

    EIN 742020591 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Boulder County Bar Association

    EIN 840573252 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Boulder County Bar Foundation

    EIN 742325807 · Headquarters: BOULDER, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Boulder County Beekeepers Association

    EIN 742032620 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Boulder County Business Hall of Fame Inc

    EIN 841225610 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. Boulder County Estate Planning Council

    EIN 840745907 · Headquarters: LONGMONT, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Boulder County Medical Society

    EIN 846031814 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Boulder County Regional Fire Training Center

    EIN 846120163 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Boulder County Rsvp Board Inc Dba Cultivate

    EIN 840769724 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Boulder Creek Boat Dock Association

    EIN 800627698 · Headquarters: Coeur D Alene, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Boulder Creek Business Association

    EIN 942829142 · Headquarters: BOULDER CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Boulder Creek Events

    EIN 010637788 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  34. Boulder Creek High School Tennis Booster Club

    EIN 393656208 · Headquarters: Anthem, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Boulder Creek Ioof Lodge 152

    EIN 237118632 · Headquarters: BOULDER CREEK, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Boulder Dam Credit Union

    EIN 880059939 · Headquarters: Boulder City, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Boulder Elks #566 Benevolent & Protective Order of Elks

    EIN 840146950 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. Boulder Executive Club

    EIN 465756063 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  39. Boulder Firefighters Iaff Local 900

    EIN 841218950 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Boulder Genealogical Society

    EIN 840768450 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Boulder Hotel and Motel Association

    EIN 510214225 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Boulder International Folk Dancers

    EIN 840953932 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Boulder Junction Chamber of Commerce Inc

    EIN 390177263 · Headquarters: BOULDER JUNCTION, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Boulder Masonic Association Inc

    EIN 840260067 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  45. Boulder Model Railroad Club

    EIN 742385210 · Headquarters: BOULDER, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Boulder Municipal Employees Assoc

    EIN 846039521 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Boulder Municipal Sports Center Inc Dba Boulder Country Club

    EIN 840152905 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  48. Boulder Neighborhood Alliance

    EIN 813800744 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  49. Boulder Parks and Recreation Foundation

    EIN 840725860 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. Boulder Police Officers Association

    EIN 237335747 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Boulder Police Vol Employee Benefit

    EIN 841131731 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. Boulder Postoley Dance Ensemble

    EIN 841038960 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Boulder Potters Guild

    EIN 840593203 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Boulder Ridge Incorporated

    EIN 060802187 · Headquarters: Darien, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  55. Boulder Rifle & Pistol Club

    EIN 886004394 · Headquarters: BOULDER CITY, NV, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Boulder Rifle Club

    EIN 841105041 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  57. Boulder Rotary Club

    EIN 840362489 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Boulder School

    EIN 840956767 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Boulder Seniors Foundation Inc

    EIN 742156867 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. Boulder Springs Equine Therapy Inc

    EIN 472049916 · Headquarters: Perris, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  61. Boulder Tibet Sister City Project Inc

    EIN 742469070 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Boulder Valley Education Association

    EIN 840595473 · Headquarters: LAFAYETTE, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Boulder Valley Hockey Foundation

    EIN 841244225 · Headquarters: SUPERIOR, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Boulder Valley Rotary Club

    EIN 841038675 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Boulder Valley Women's Health Center Inc

    EIN 840645786 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Boulder Veterans Council

    EIN 201244706 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  67. Boulder Westminster Uniserv Unit

    EIN 841190341 · Headquarters: LAFAYETTE, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Boulder White Rock Rod & Gun Club

    EIN 841192269 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Boulder Wisdom

    EIN 301361553 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Boulder Writers Alliance

    EIN 800600874 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  71. Boulder Zen Center

    EIN 742115154 · Headquarters: Boulder, CO, United States · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T

  72. Boulder-white Clouds Council Inc

    EIN 820433602 · Headquarters: Ketchum, ID, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  73. Boulderville Ditch Co

    EIN 876123593 · Headquarters: Oakley, UT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Bouldin Trust

    EIN 636021224 · Headquarters: owens Cross Roads, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Boulevard Group Home

    EIN 933165869 · Headquarters: gardena, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Boulevard Harambee

    EIN 383100064 · Headquarters: DETROIT, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Boulevard Heights Mutual Water Company Co Steward Property Services Inc

    EIN 680125269 · Headquarters: Petaluma, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Boulevard Lane Community Club

    EIN 911290493 · Headquarters: Renton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Boulevard Manor Civic Association

    EIN 811625588 · Headquarters: Arlingtion, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Boulevard Oaks Civic Association

    EIN 742121166 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Boulevard Park Club

    EIN 884382669 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Boulevard Village Inc

    EIN 237071580 · Headquarters: Norfolk, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Boumi Shriners

    EIN 520252225 · Headquarters: WHITE MARSH, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Boumni Shriners Group Return

    EIN 521069419 · Headquarters: WHITE MARSH, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Bounce Back Empowerment Services Inc

    EIN 334067274 · Headquarters: lynn, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Bound Brook Chapter 1232 Women of the Moose

    EIN 237521038 · Headquarters: Bound Brook, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Bound Brook Foundation Inc

    EIN 475178440 · Headquarters: Fulton, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  88. Bound Brook Garden Club Inc

    EIN 800657267 · Headquarters: LEBANON, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Bound Brook Lodge #988 Loyal Order of Moose

    EIN 226167716 · Headquarters: BOUND BROOK, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Bound Brook Rescue Squad Inc

    EIN 226035520 · Headquarters: Bound Brook, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Bound for Glory Inc

    EIN 463566943 · Headquarters: BREVARD, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Bound for the Kingdom Inc

    EIN 992443750 · Headquarters: Clinton, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Bound Less Living Institute

    EIN 811133472 · Headquarters: ORMOND BEACH, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Bound on Being Successful Inc

    EIN 873368050 · Headquarters: Bradenton, FL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  95. Bound to Be

    EIN 812776443 · Headquarters: Woodbury, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Bound to Rebound

    EIN 473802180 · Headquarters: Windsor, CO, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  97. Bound To Stay Bound Books Foundation

    EIN 376227827 · Headquarters: Jacksonville, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  98. Bound Together 4-H Club

    EIN 301371644 · Headquarters: Pontiac, MI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Boundary County Education Association

    EIN 820499180 · Headquarters: BONNERS FERRY, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Boundary County Farm Bureau

    EIN 820312452 · Headquarters: BONNERS FERRY, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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