Unknown & Unclassified nonprofits in California

Unknown & Unclassified nonprofits in California. Browse 48,218 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. Society of Phi Zeta

    EIN 223098507 · Headquarters: Davis, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  2. Society of Plastic Surgical Skin Care Specialists

    EIN 752581991 · Headquarters: GARDEN GROVE, CA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  3. Society of Plastics Engineers

    EIN 946104156 · Headquarters: Newark, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. Society of Port Engineers La

    EIN 953543431 · Headquarters: WILMINGTON, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Society of Professional Journalists

    EIN 311468476 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  6. Society of Professional Journalists

    EIN 946104982 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Society of Professional Journalists

    EIN 956054728 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Society of Professional Journalists

    EIN 956119058 · Headquarters: Northridge, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Society of Professional Scientists and Engineers

    EIN 942938191 · Headquarters: Livermore, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  10. Society of Riders Inc

    EIN 473443171 · Headquarters: Simi Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  11. Society of Saint Vincent De Paul Ascension Conference

    EIN 463580379 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Society of Saint Vincent De Paul Blessed Junipero Serra Conference

    EIN 271002110 · Headquarters: Camarillo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Society of Saint Vincent De Paul Council of Los Angeles

    EIN 010923187 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Society of Saint Vincent De Paul Council of Los Angeles

    EIN 270269745 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. Society of Saint Vincent De Paul Council of Los Angeles

    EIN 270830507 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  16. Society of Saint Vincent De Paul Council of Los Angeles

    EIN 461900027 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. Society of Saint Vincent De Paul Council of Los Angeles

    EIN 463474439 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  18. Society of Saint Vincent De Paul Francis of Assisi Conference

    EIN 271002079 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Society of Saint Vincent De Paul Holy Name of Jesus Conference

    EIN 270682268 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Society of Saint Vincent De Paul Immaculate Heart of Mary Conferen

    EIN 460859164 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Society of Saint Vincent De Paul Mary Star of the Sea Conference

    EIN 271002039 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Society of Saint Vincent De Paul Our Lady of Guadalupe Conference

    EIN 270624029 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Society of Saint Vincent De Paul Our Lady of Refuge Conference

    EIN 450832584 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Society of Saint Vincent De Paul Our Lady of the Valley Conference

    EIN 454828095 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Society of Saint Vincent De Paul Sacred Heart Conference

    EIN 461117114 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Society of Saint Vincent De Paul San Conrado Mission Conference

    EIN 453602038 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Society of Saint Vincent De Paul Santa Rosa De Lima Conference

    EIN 453831199 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Society of Saint Vincent De Paul St Anthony Conference

    EIN 271002053 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Society of Saint Vincent De Paul St Augustine Conference

    EIN 461886801 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Society of Saint Vincent De Paul St Christopher Conference

    EIN 461390545 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Society of Saint Vincent De Paul St Joseph Korean Catholic Center

    EIN 364960526 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Society of Saint Vincent De Paul St Mary of the Assumption Confere

    EIN 454898999 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Society of Saint Vincent De Paul St Matthew Conference

    EIN 452913943 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. Society of Saint Vincent De Paul St Maximilian Kolbe Conference

    EIN 271002101 · Headquarters: WESTLAKE VILLAGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Society of Saint Vincent De Paul St Odilia Conference

    EIN 455535438 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Society of Saint Vincent De Paul St Pancratius Conference

    EIN 462489803 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. Society of Saint Vincent De Paul St Philomena Conference

    EIN 271021748 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Society of Saint Vincent De Paul St Sebastian Conference

    EIN 270713623 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Society of Saint Vincent De Paul St Vitus Conference

    EIN 850844292 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Society of St Vincent De Paul

    EIN 384186188 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. Society of St Vincent De Paul

    EIN 873376376 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Society of St Vincent De Paul Central

    EIN 237084670 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  43. Society of St Vincent De Paul Our Mother of Good Counsel Conference

    EIN 270754927 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Society of St Vincent De Paul Saint Columbkille Conference

    EIN 270457428 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Society of St Vincent De Paul St Charles Borromeo

    EIN 300533021 · Headquarters: SACRAMENTO, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Society of St Vincent De Paul St Elizabeth Ann Seton Conference

    EIN 462831797 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Society of St Vincent De Paul St Frances X Cabrini Conference

    EIN 275325370 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Society of St Vincent De Paul St Jerome Conference

    EIN 461005028 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Society of St Vincent De Paul St John Baptist Conference

    EIN 611989654 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Society of St Vincent De Paul St Joseph Conference

    EIN 264742993 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Society of St Vincent De Paul St Lawrence of Brindisi Conference

    EIN 471670892 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  52. Society of St Vincent De Paul St Luke Conference

    EIN 453251353 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Society of St Vincent De Paul St Mary Magdalen

    EIN 800404767 · Headquarters: Camarillo, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  54. Society of St Vincent De Paul St Raphael Conference

    EIN 270502108 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Society of Taekwondo Organization

    EIN 830584865 · Headquarters: HERMOSA BEACH, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  56. Society of the Companions of the Holy Cross

    EIN 352459022 · Headquarters: Orange, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  57. Society of the Friendly Sons of St Patrick of Los Angeles

    EIN 954122983 · Headquarters: PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Society of the War of 1812 in State of California

    EIN 954209907 · Headquarters: SAN LORENZO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Society of University Surgeons Inc

    EIN 132903051 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Society of Women Engineers

    EIN 010954751 · Headquarters: Berkeley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Society of Women Engineers

    EIN 200322985 · Headquarters: Lompoc, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Society of Women Engineers

    EIN 223231195 · Headquarters: Davis, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Society of Women Engineers

    EIN 223231196 · Headquarters: Fresno, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Society of Women Engineers

    EIN 273882502 · Headquarters: Santa Cruz, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  65. Society of Women Engineers

    EIN 300609033 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  66. Society of Women Engineers

    EIN 352399755 · Headquarters: Santa Clara, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  67. Society of Women Engineers

    EIN 364667949 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Society of Women Engineers

    EIN 364684927 · Headquarters: Chico, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Society of Women Engineers

    EIN 383806019 · Headquarters: RIVERSIDE, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Society of Women Engineers

    EIN 421675816 · Headquarters: Irvine, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Society of Women Engineers

    EIN 550811605 · Headquarters: Stanford, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  72. Society of Women Engineers

    EIN 611610814 · Headquarters: Santa Barbara, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Society of Women Engineers

    EIN 680073429 · Headquarters: Berkeley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Society of Women Engineers

    EIN 680200081 · Headquarters: Martinez, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Society of Women Engineers

    EIN 830731555 · Headquarters: La Jolla, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Society of Women Engineers

    EIN 900655953 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Society of Women Engineers

    EIN 942702183 · Headquarters: Sunnyvale, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Society of Women Engineers

    EIN 953573063 · Headquarters: Torrance, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Society of Women Engineers B069 Sdsu

    EIN 271307048 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. Society of Women Engineers Cal State Universty of Northridge

    EIN 954827862 · Headquarters: Northridge, CA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  81. Society of Womens Engineers

    EIN 223192100 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Society of Womens Engineers Orange County

    EIN 330405621 · Headquarters: Irvine, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Society to Preserve and Encourage Radio Drama Variety and Comedy

    EIN 510137667 · Headquarters: Costa Mesa, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Soda Canyon Loma Vista Land Stewardship Foundation

    EIN 465683842 · Headquarters: Napa, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  85. Sodelpa 4 Fiji USA

    EIN 821892388 · Headquarters: Santa Rosa, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  86. Soft Heart Inc

    EIN 933295518 · Headquarters: Fresno, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  87. Sohail Parekh Family Inc

    EIN 464491540 · Headquarters: bellflower, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  88. Soille San Diego Hebrew Day School

    EIN 952305570 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Soiree Musicale

    EIN 942886100 · Headquarters: Saratoga, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Sojourner Truth Industrial Club of First African M

    EIN 953780331 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Sok Brewery-rig City Brewing Club

    EIN 473292475 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  92. Soka Gakkai International-USA

    EIN 952265667 · Headquarters: SANTA MONICA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  93. SOL Aquatics

    EIN 334560921 · Headquarters: Chula Vista, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. SOL Education Association

    EIN 992779067 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Sol Foundation

    EIN 301363519 · Headquarters: Rowland Heights, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. Sol Journeys

    EIN 472982373 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  97. Sol of San Mateo County

    EIN 512159348 · Headquarters: BURLINGAME, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Sol R Rubin and Neddy Rubin Foundation

    EIN 954303079 · Headquarters: VALLEY GLEN, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  99. Solana Beach Chamber of Commerce

    EIN 952476999 · Headquarters: SOLANA BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Solana Beach Civic and Historical Society

    EIN 951950979 · Headquarters: Solana Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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