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. National Organization of Mothers of Twins Clubs Inc

    EIN 844942124 · Headquarters: YUBA CITY, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  2. National Organization of Mothers of Twins Clubs Inc

    EIN 942762112 · Headquarters: PACIFICA, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  3. National Organization of Mothers of Twins Clubs Inc

    EIN 942843272 · Headquarters: WILTON, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  4. National Organization of Mothers of Twins Clubs Inc

    EIN 943275952 · Headquarters: CASTRO VALLEY, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  5. National Organization of Mothers of Twins Clubs Inc

    EIN 943340725 · Headquarters: ALAMEDA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. National Organization of Mothers of Twins Clubs Inc

    EIN 952419161 · Headquarters: LONG BEACH, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. National Organization of Mothers of Twins Clubs Inc

    EIN 954161897 · Headquarters: LA CRESCENTA, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. National Organization of Mothers of Twins Clubs Inc

    EIN 954304437 · Headquarters: TORRANCE, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  9. National Organization of Mothers of Twins Clubs Inc

    EIN 954399788 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. National Organization of Restoring Men Inc

    EIN 542191876 · Headquarters: Covina, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National Postal Mail Handlers Union Local 302 Division of Liuna Afl-cio

    EIN 942215856 · Headquarters: FAIRFIELD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. National Postal Mail Handlers Union Local No 303

    EIN 237261979 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. National Private Educators and Affiliates Association

    EIN 330428701 · Headquarters: Mission Viejo, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  14. National Public Lands News

    EIN 204141151 · Headquarters: Inyokern, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  15. National Public Safety and Transportation Association

    EIN 842163306 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National Risk Retention Association

    EIN 363533185 · Headquarters: ENCINO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. National Rural Carriers Association

    EIN 237235428 · Headquarters: OAKDALE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. National Rural Letter Carriers Association

    EIN 237235427 · Headquarters: POLLUCK PINES, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. National Rural Letter Carriers Association

    EIN 237235430 · Headquarters: CLOVIS, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. National Rural Letter Carriers Association

    EIN 237235431 · Headquarters: CRESENT CITY, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. National Rural Letter Carriers Association

    EIN 237235435 · Headquarters: VICTORVILLE, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. National Rural Letter Carriers Association

    EIN 237235436 · Headquarters: SANTA MARIA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. National Rural Letter Carriers Association

    EIN 237235438 · Headquarters: WATERFORD, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. National Rural Letter Carriers Association

    EIN 237235439 · Headquarters: ARMONA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. National Rural Letter Carriers Association

    EIN 237235440 · Headquarters: SANTA PAULA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. National Rural Letter Carriers Association

    EIN 237235441 · Headquarters: BAKERSFIELD, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. National Rural Letter Carriers Association

    EIN 237235442 · Headquarters: LINDEN, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. National Rural Letter Carriers Association

    EIN 237235443 · Headquarters: SALINAS, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. National Rural Letter Carriers Association

    EIN 237253492 · Headquarters: OROVILLE, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. National Rural Letter Carriers Association

    EIN 421635687 · Headquarters: MENIFEE, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. National Rural Letter Carriers Association

    EIN 510247427 · Headquarters: WILLITS, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. National Rural Letter Carriers Association

    EIN 510247428 · Headquarters: ESCONDIDO, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. National Rural Letter Carriers Association

    EIN 611514443 · Headquarters: SPRING VALLEY, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. National Safety Management Society

    EIN 237108276 · Headquarters: Walnut Creek, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. National Sales Network Los Angeles California Chapter

    EIN 921530193 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  36. National Scholastic Surfing Association

    EIN 953298254 · Headquarters: Huntington Beach, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. National School Public Relations Association

    EIN 942990118 · Headquarters: Downey, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  38. National Scooter Association

    EIN 464549359 · Headquarters: La Jolla, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  39. National Self-esteem Resources & Development Center

    EIN 680138133 · Headquarters: SAN RAFAEL, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  40. National Slovak Society of the USA

    EIN 237501018 · Headquarters: Sunland, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. National Smooth Dancers

    EIN 330016271 · Headquarters: Poway, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. National Smooth Dancers

    EIN 330415670 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. National Smooth Dancers

    EIN 770091870 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. National Smooth Dancers

    EIN 770091871 · Headquarters: Clovis, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. National Smooth Dancers

    EIN 956097310 · Headquarters: Fremont, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. National Society Children of the American Revolution San Pasqual So

    EIN 991664025 · Headquarters: Pasadena, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. National Society Colonial Dames Xvii

    EIN 946104610 · Headquarters: Saratoga, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. National Society Colonial Dames Xvii Century

    EIN 237117056 · Headquarters: Thousand Oaks, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. National Society Colonial Dames Xvii Century

    EIN 237198634 · Headquarters: Pasadena, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. National Society Colonial Dames Xvii Century

    EIN 510193957 · Headquarters: Yucca Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. National Society Colonial Dames Xvii Century

    EIN 680184407 · Headquarters: Placerville, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. National Society Colonial Dames Xvii Century

    EIN 942778432 · Headquarters: Yountville, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. National Society Colonial Dames Xvii Century

    EIN 946102995 · Headquarters: RICHMOND, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. National Society Colonial Dames Xvii Century

    EIN 946181796 · Headquarters: FRESNO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. National Society Colonial Dames Xvii Century

    EIN 946181797 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. National Society Colonial Dames Xvii Century

    EIN 953460562 · Headquarters: Poway, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. National Society Colonial Dames Xvii Century

    EIN 953589223 · Headquarters: Canyon Lake, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. National Society Colonial Dames Xvii Century

    EIN 956220631 · Headquarters: Santa Monica, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. National Society Colonial Dames Xvii Century

    EIN 956220632 · Headquarters: Northridge, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. National Society Colonial Dames Xvii Century

    EIN 956220634 · Headquarters: Bloomington, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. National Society Colonial Dames Xvii Century

    EIN 956220637 · Headquarters: Costa Mesa, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. National Society Colonial Dames Xvii Century

    EIN 991328642 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. National Society Dames of the Court of Honor

    EIN 237144558 · Headquarters: Merced, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. National Society Daughters of Founders & Patriots of America

    EIN 060982785 · Headquarters: Orange, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. National Society Daughters of Founders & Patriots of America

    EIN 521364540 · Headquarters: Oceanside, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. National Society Daughters of Founders & Patriots of America

    EIN 680078099 · Headquarters: Berkeley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. National Society Daughters of the American Colonists

    EIN 946104176 · Headquarters: Saratoga, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. National Society Daughters of the American Revolution

    EIN 954727758 · Headquarters: Simi Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. National Society Descendants of Colonial Indentured Servants

    EIN 831772423 · Headquarters: SANTA ANA, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. National Society Descendants of Early Quakers

    EIN 954031072 · Headquarters: SANTA ANA, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. National Society of New England Women

    EIN 237062792 · Headquarters: Modesto, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. National Society of New England Women

    EIN 953131231 · Headquarters: Pasadena, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. National Society of Southern Dames of America Inc

    EIN 352536028 · Headquarters: Saratoga, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. National Society of Southern Dames of America Inc

    EIN 364773325 · Headquarters: SANTA ANA, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. National Society of Southern Dames of America Inc

    EIN 471446780 · Headquarters: Valencia, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. National Society of Southern Dames of America Inc

    EIN 473166897 · Headquarters: Simi Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. National Society of Southern Dames of American Inc

    EIN 463933752 · Headquarters: Costa Mesa, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. National Society of the Children of the American Revolution

    EIN 030611677 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. National Society of the Children of the American Revolution

    EIN 204946110 · Headquarters: Sherman Oaks, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. National Society of the Children of the American Revolution

    EIN 237248837 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. National Society of the Children of the American Revolution

    EIN 262075955 · Headquarters: El Cajon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. National Society of the Children of the American Revolution

    EIN 262082109 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. National Society of the Children of the American Revolution

    EIN 320238608 · Headquarters: Encino, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. National Society of the Children of the American Revolution

    EIN 450547272 · Headquarters: Lompoc, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. National Society of the Children of the American Revolution

    EIN 464167607 · Headquarters: Grass Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. National Society of the Children of the American Revolution

    EIN 510670776 · Headquarters: MISSION VIEJO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. National Society of the Children of the American Revolution

    EIN 510672094 · Headquarters: Porterville, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. National Society of the Children of the American Revolution

    EIN 562673270 · Headquarters: Saratoga, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. National Society of the Children of the American Revolution

    EIN 800306816 · Headquarters: Jackson, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  90. National Society of the Children of the American Revolution

    EIN 850972052 · Headquarters: Torrance, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. National Society of the Children of the American Revolution

    EIN 851004824 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. National Society of the Children of the American Revolution

    EIN 900351609 · Headquarters: Lancaster, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  93. National Society of the Children of the American Revolution

    EIN 991266649 · Headquarters: Clovis, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. National Society of the Daughters of the American Revolution

    EIN 020566856 · Headquarters: Tehachapi, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. National Society of the Daughters of the American Revolution

    EIN 205305297 · Headquarters: PATTERSON, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. National Society of the Daughters of the American Revolution

    EIN 237005622 · Headquarters: Martinez, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. National Society of the Daughters of the American Revolution

    EIN 237015641 · Headquarters: Vacaville, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. National Society of the Daughters of the American Revolution

    EIN 237024202 · Headquarters: NAPA, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. National Society of the Daughters of the American Revolution

    EIN 237026576 · Headquarters: Modesto, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. National Society of the Daughters of the American Revolution

    EIN 237026579 · Headquarters: Pasadena, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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