Nonprofits in California

Nonprofits in California. Browse 229,931 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. Sigma Theta Tau International Inc

    EIN 611736136 · Headquarters: Riverside, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Sigma Theta Tau International Inc

    EIN 611956011 · Headquarters: San Diego, CA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  3. Sigma Theta Tau International Inc

    EIN 852299957 · Headquarters: Palo Alto, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Sigma Theta Tau International Inc

    EIN 883608830 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Sigma Theta Tau International Inc

    EIN 900012741 · Headquarters: RIPON, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Sigma Theta Tau International Inc

    EIN 900266193 · Headquarters: Fullerton, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Sigma Theta Tau International Inc

    EIN 901029454 · Headquarters: Irvine, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Sigma Theta Tau International Inc

    EIN 911935293 · Headquarters: McKinleyville, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Sigma Theta Tau International Inc

    EIN 912039517 · Headquarters: San Rafael, CA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  10. Sigma Theta Tau International Inc

    EIN 912039522 · Headquarters: San Bernardino, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Sigma X Fc Inc

    EIN 394699320 · Headquarters: VISALIA, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Sigma Xi the Scientific Research Society Loma Linda University Chap

    EIN 330080314 · Headquarters: Loma Linda, CA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  13. Sigma Xi-orange County Chapter

    EIN 262729368 · Headquarters: Fountain Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Sigma Zeta Council of Southern California

    EIN 205310766 · Headquarters: Los Angeles, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Sigman Baseball Academy Inc

    EIN 872642091 · Headquarters: Santa Monica, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Sigmund Foundation Inc

    EIN 342010304 · Headquarters: SAN FRANCISCO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  17. Sign Display & Allied Crafts Local Union 510 Training Trust

    EIN 942875408 · Headquarters: SOUTH SAN FRANCISCO, CA, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990

  18. Sign of Relief Inc

    EIN 872551363 · Headquarters: MODESTO, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Sign Pictorial & Display Health & Welfare

    EIN 946087594 · Headquarters: PLEASANTON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Sign Post Byway Inc

    EIN 454791113 · Headquarters: Santa Maria, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Sign the Oath Project

    EIN 851967591 · Headquarters: Malibu, CA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Sign Vine

    EIN 464578942 · Headquarters: CORONA, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  23. Sign with Me Incorporated

    EIN 020553177 · Headquarters: LOS ANGELES, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Signal

    EIN 824506840 · Headquarters: MOUNTAIN VIEW, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Signal Hill Chamber of Commerce

    EIN 956101232 · Headquarters: SIGNAL HILL, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Signal Hill H3 Inc

    EIN 922359282 · Headquarters: LAGUNA NIGUEL, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Signal Hill Historical Society

    EIN 330004198 · Headquarters: Signal Hill, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Signal Hill Police Officers' Association

    EIN 953862883 · Headquarters: SIGNAL HILL, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Signal Integrity Emergency Radio Re Sponse Alliance

    EIN 423255578 · Headquarters: Murphys, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Signal Media Project Inc

    EIN 463023405 · Headquarters: San Francisco, CA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  31. Signature Dive Veterans Inc

    EIN 863815809 · Headquarters: Rancho Cucamonga, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Signature Travel Network Foundation

    EIN 841798066 · Headquarters: EL SEGUNDO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. Signature Underwater Divers

    EIN 465758685 · Headquarters: Rancho Cucamonga, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Signed Healed Delivered Inc

    EIN 933472592 · Headquarters: Shasta Lake, CA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Signet Circle Corporation

    EIN 956059103 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Signet Corporation of Santa Barbara C/o Alex Kernus

    EIN 237401218 · Headquarters: MARINA DEL REY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Signet Council No 230 Amd

    EIN 272273038 · Headquarters: CLAREMONT, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  38. Signet Ministries

    EIN 844010370 · Headquarters: SANTA ROSA, CA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Signet Royalty Inc

    EIN 844412500 · Headquarters: Menifee, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Signet-life Mission Church

    EIN 883472442 · Headquarters: Chino, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Significant Org

    EIN 461077260 · Headquarters: SAN DIEGO, CA, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  42. Signifyin' Works

    EIN 943134400 · Headquarters: BERKELEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. Signing Animation

    EIN 850836338 · Headquarters: Campbell, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Signing Sisters in the Spirit

    EIN 454777168 · Headquarters: Sacramento, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Signlight Inc

    EIN 954466127 · Headquarters: WESTLAKE VILLAGE, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Signpost Missionworks

    EIN 611755165 · Headquarters: Ventura, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Signs and Wonders

    EIN 954725962 · Headquarters: HAWTHORNE, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Signs of Community

    EIN 462975559 · Headquarters: ONTARIO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  49. Signs of Love

    EIN 330827505 · Headquarters: Apple Valley, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. Signs of Silence

    EIN 330748035 · Headquarters: San Marcos, CA, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  51. Sigue Sports Institute Inc

    EIN 880912135 · Headquarters: Reseda, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Sihanouk Hospital Corporation C/o Hope Worldwide Ltd

    EIN 232910347 · Headquarters: SAN DIEGO, CA, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990

  53. Sijbrandij Foundation

    EIN 854270305 · Headquarters: SAN FRANCISCO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  54. Sika Afrikan Art and Culture

    EIN 932572014 · Headquarters: Riverside, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Sikap Foundations Inc

    EIN 825172659 · Headquarters: SACRAMENTO, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Sikder Institute

    EIN 475353564 · Headquarters: BERKELEY, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Sikh Aid America

    EIN 932027504 · Headquarters: YUBA CITY, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  58. Sikh Aid USA

    EIN 870909892 · Headquarters: Stockton, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Sikh Alliance

    EIN 461860639 · Headquarters: MILPITAS, CA, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. Sikh American Humane Society

    EIN 822237521 · Headquarters: Hercules, CA, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  61. Sikh Center Ca Inc

    EIN 992203286 · Headquarters: Anderson, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Sikh Center of Orange County

    EIN 330623859 · Headquarters: Santa Ana, CA, United States · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Sikh Center of Southern California

    EIN 311772573 · Headquarters: COVINA, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Sikh Communications Council Inc

    EIN 912155957 · Headquarters: palo alto, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Sikh Community Center

    EIN 384151057 · Headquarters: Modesto, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Sikh Community Charitable Projects

    EIN 923963770 · Headquarters: HUNTINGTON BEACH, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Sikh Community Gurdwara- Los Angeles

    EIN 474276038 · Headquarters: COVINA, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Sikh Cultural Society of the High Desert

    EIN 330674563 · Headquarters: APPLE VALLEY, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Sikh Dharma Brotherhood of the Bay Area

    EIN 942533479 · Headquarters: San Leandro, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Sikh Dharma of San Diego

    EIN 953256052 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Sikh Education and Technology Foundation

    EIN 995069863 · Headquarters: San Ramon, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Sikh Education Foundation Inc

    EIN 473019271 · Headquarters: diamond bar, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Sikh Education Fund Inc

    EIN 383973303 · Headquarters: HAYWARD, CA, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  74. Sikh Educational and Cultural Foundation of America

    EIN 680008584 · Headquarters: Tracy, CA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  75. Sikh Family Center

    EIN 462237621 · Headquarters: CLOVIS, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. Sikh Fellowship Inc

    EIN 861587752 · Headquarters: CAMARILLO, CA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Sikh Foundation

    EIN 237035676 · Headquarters: Palo Alto, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. Sikh Foundation of Milpitas Milpitas Gurdwara

    EIN 770357088 · Headquarters: MILPITAS, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Sikh Gurdwara of Los Angeles Inc

    EIN 330325396 · Headquarters: North Hollywood, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Sikh Gurdwara of San Francisco

    EIN 455179643 · Headquarters: San Mateo, CA, US · Religion Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  81. Sikh Gurdwara Sahib Merced Inc

    EIN 300741116 · Headquarters: MERCED, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Sikh Gurdwara Sahib SF

    EIN 462604210 · Headquarters: San Bruno, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. Sikh Gurudwara of Sadh Sangat Inc

    EIN 383803892 · Headquarters: NORCO, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Sikh Health Alliance

    EIN 333211653 · Headquarters: Stockton, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Sikh Health Foundation Network

    EIN 921238125 · Headquarters: walnut creek, CA, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Sikh Heritage Education and Cultura Organization of America Inc

    EIN 852155367 · Headquarters: TRACY, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Sikh Heritage Foundation Inc

    EIN 550777537 · Headquarters: NOVATO, CA, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  88. Sikh Heritage Namdhari Society Inc

    EIN 954636252 · Headquarters: La Puente, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Sikh Historical Society

    EIN 843663855 · Headquarters: Clovis, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Sikh History Museum Foundation

    EIN 043836921 · Headquarters: FREMONT, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  91. Sikh Humanitarian Welfare Foundation

    EIN 861501725 · Headquarters: ORANGE, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Sikh Information Centre

    EIN 550909078 · Headquarters: Lathrop, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Sikh Legends of America

    EIN 882846411 · Headquarters: GALT, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  94. Sikh Meditation

    EIN 332496733 · Headquarters: TRACY, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Sikh Music Heritage Institute

    EIN 203701367 · Headquarters: Santa Cruz, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Sikh Pantry Inc

    EIN 882818980 · Headquarters: Stockton, CA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Sikh Punjabi Youth Club of Roseville Ca

    EIN 270659922 · Headquarters: Sacramento, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Sikh Relief USA

    EIN 471505548 · Headquarters: PLACERVILLE, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Sikh Religious Education Society Inc

    EIN 994255224 · Headquarters: BAKERSFIELD, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Sikh Riders of America

    EIN 455496557 · Headquarters: Bakersfield, CA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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