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. San Diego Convention and Tourist Bureau

    EIN 951812810 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. San Diego Corvair Club

    EIN 953244062 · Headquarters: Valley Center, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. San Diego Council of Diving Clubs Inc

    EIN 237354175 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. San Diego Council of Ski Clubs

    EIN 237323290 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  5. San Diego Country Club Inc

    EIN 951184870 · Headquarters: Chula Vista, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. San Diego County Amateur Radio Council Inc

    EIN 237093258 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. San Diego County Archaeological Society

    EIN 237366613 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. San Diego County Bar Association

    EIN 951732225 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. San Diego County Bar Foundation

    EIN 953366651 · Headquarters: Fresno, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. San Diego County Baseball Umpires Assoc

    EIN 330331790 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. San Diego County Bicycle Coalition

    EIN 330418006 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. San Diego County Capital Asset Leasing Corporation

    EIN 330071263 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. San Diego County Citizens' Scholars Foundation

    EIN 956111706 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. San Diego County Credit Union

    EIN 951184903 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. San Diego County Crime Stoppers Inc

    EIN 330072115 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. San Diego County Delta Upsilon Fraternity Alumni Association Inc

    EIN 952481842 · Headquarters: HUNTINGTON BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. San Diego County Dental Foundation

    EIN 953497223 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. San Diego County Dental Society

    EIN 951184898 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. San Diego County Disposal Association

    EIN 510145787 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. San Diego County Escrow Asso Luce Forward Hamilton & Scripps

    EIN 952407490 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. San Diego County Farm Bureau

    EIN 951184905 · Headquarters: Escondido, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. San Diego County Fire Chiefs Association

    EIN 237162225 · Headquarters: Alpine, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. San Diego County Firefighters Pipes and Drums

    EIN 274332235 · Headquarters: Escondido, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. San Diego County Fish & Game Association

    EIN 956080647 · Headquarters: EL CAJON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. San Diego County Floor Covering Association Inc

    EIN 330172775 · Headquarters: NATIONAL CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  26. San Diego County Flower Growers

    EIN 237165036 · Headquarters: Carlsbad, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. San Diego County Gaelic Athletic Association

    EIN 991114084 · Headquarters: Valley Center, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. San Diego County Hispanic Chamber O

    EIN 330359102 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. San Diego County Housing and Small Business Counseling Agency

    EIN 272607928 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  30. San Diego County Intergroup Inc of Overeaters Anonymous

    EIN 330284755 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. San Diego County Junior Golf Association

    EIN 956095411 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. San Diego County Lodging Association

    EIN 330015724 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. San Diego County Medical Society

    EIN 951436927 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. San Diego County Medical Society Foundation Dba Champions for Health

    EIN 952568714 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. San Diego County Optometric Society

    EIN 956143907 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. San Diego County Parks Society

    EIN 953655610 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. San Diego County Philatelic Council

    EIN 237134080 · Headquarters: Poway, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. San Diego County Probation Officer's Association Charitable Fund

    EIN 460745015 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  39. San Diego County Senior Doubles Bowling Club

    EIN 812788809 · Headquarters: San Marcos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. San Diego County Seniors Golf Association

    EIN 956047744 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. San Diego County SER Jobs for Progress Inc

    EIN 953703233 · Headquarters: Fresno, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. San Diego County Service Center Council

    EIN 330564085 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. San Diego County Soccer Football Referees Association Inc

    EIN 510197186 · Headquarters: Copperopolis, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  44. San Diego County Taxpayers Association

    EIN 951445921 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. San Diego County Team Penning Association Inc

    EIN 330361682 · Headquarters: LAKESIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  46. San Diego County Teamsters - Employers' Insurance Trust

    EIN 237243412 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. San Diego County Tennis Umpires Association

    EIN 510205056 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. San Diego County Veterinary Medical Association

    EIN 956095412 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. San Diego County Vintners Association

    EIN 330717144 · Headquarters: VALLEY CENTER, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  50. San Diego County Wildlife Federation

    EIN 953709010 · Headquarters: Ramona, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. San Diego County Womens Golf Association

    EIN 330263424 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. San Diego Creative Weavers Guild

    EIN 330084042 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. San Diego Crew Classic Foundation

    EIN 330396059 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. San Diego Crew Classic Inc

    EIN 953276681 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. San Diego Crime Analysis Assoc

    EIN 330429775 · Headquarters: El Cajon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. San Diego Crime Commission

    EIN 953755649 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. San Diego Cultural Arts Alliance

    EIN 330819224 · Headquarters: Meridian, ID, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  58. San Diego Cyclo-vets Bicycle Club Inc

    EIN 330440310 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. San Diego Dance Theater

    EIN 237112940 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. San Diego Data Processing Corp

    EIN 953424141 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990

  61. San Diego Deaf Senior Citizens

    EIN 921949961 · Headquarters: National City, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. San Diego Direct Marketing Club Inc

    EIN 330284195 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  63. San Diego Distillers Guild

    EIN 472045398 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  64. San Diego District Attorney Investigators Foundation

    EIN 472090446 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. San Diego Downtown Post 492

    EIN 330701292 · Headquarters: Chula Vista, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. San Diego Downtown Residents Group

    EIN 912039403 · Headquarters: San DIego, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  67. San Diego Drum and Bugle Corps Association

    EIN 330371562 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. San Diego Dukes Bbc

    EIN 454397290 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  69. San Diego Early Music Society

    EIN 330012984 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. San Diego Edinburgh Sister City Society Inc

    EIN 953219144 · Headquarters: La Mesa, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. San Diego Education Association

    EIN 951185804 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. San Diego Electric Railway Association Dba National City Depot

    EIN 330202834 · Headquarters: National City, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. San Diego Electrical Industry Labor Management Cooperation Committee Inc

    EIN 330084077 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. San Diego Electrical Industry Trusts

    EIN 956035916 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  75. San Diego Emmaus Community Inc

    EIN 330723206 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  76. San Diego Employers Association Inc

    EIN 950970313 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. San Diego Endocrine-metabolism Society

    EIN 330366694 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. San Diego Epiphyllum Society

    EIN 953874368 · Headquarters: san diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. San Diego Events Co-op

    EIN 471157805 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  80. San Diego Eye Bank

    EIN 956089611 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. San Diego Facilities and Equipment Leasing Corporation

    EIN 330196094 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. San Diego Family Care Foundation

    EIN 330306477 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. San Diego Fern Society

    EIN 953458595 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. San Diego Festival of the Arts Foundation Inc

    EIN 330329642 · Headquarters: LA JOLLA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  85. San Diego Figure Skating Club

    EIN 953413430 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. San Diego Fire Dept Sports Club

    EIN 330434440 · Headquarters: SAN MARCOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. San Diego Fire Fighters Local 145 Community Responsibility Fund

    EIN 330299756 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  88. San Diego Fire Relief Association

    EIN 956050121 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. San Diego Firemans Golf Club Co

    EIN 874764784 · Headquarters: LA MESA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. San Diego First Assembly Retirement Center Dba City View Community

    EIN 953409647 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. San Diego Flight Corporation

    EIN 956063115 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. San Diego Flute Guild

    EIN 330491565 · Headquarters: Escondido, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. San Diego Fly Fisher

    EIN 330326751 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. San Diego Foundation for Cardiovascular Research & Education

    EIN 953645736 · Headquarters: LA JOLLA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. San Diego Foursquare Church

    EIN 956226828 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-T

  96. San Diego Freedom Ranch Inc

    EIN 952997398 · Headquarters: CAMPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. San Diego French-american School

    EIN 930992063 · Headquarters: LA JOLLA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. San Diego Friends of Old Time Music Inc

    EIN 953406532 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. San Diego Gas & Electric Co Medical Benefits Plan Trust (Non-union Ret)

    EIN 330618478 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. San Diego Gas & Electric Co Medical Benefits Plan Trust (Union Retirees)

    EIN 330618480 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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