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. United States Amateur Boxing Inc

    EIN 930817317 · Headquarters: American Canyon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. United States Amateur Boxing Inc

    EIN 953673320 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. United States Amateur Boxing Inc Central California Association

    EIN 942821410 · Headquarters: BAKERSFIELD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. United States and Canadian Academy of Pathology

    EIN 581699712 · Headquarters: PALM SPRINGS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. United States Bowling Congress Inc

    EIN 301129870 · Headquarters: Tracy, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. United States Brainspotting Association

    EIN 873968811 · Headquarters: Folsom, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  7. United States Catholic Conference

    EIN 900352914 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. United States Catholic Conference

    EIN 941640741 · Headquarters: WHITETHORN, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  9. United States Committee on Irrigation and Drainage

    EIN 840461683 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. United States Elite Coaches for Womens Gymnastics

    EIN 680240894 · Headquarters: ANTIOCH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. United States Federation of Pelota

    EIN 365094720 · Headquarters: Pacifica, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. United States Fencing Associatio

    EIN 954718524 · Headquarters: Glendale, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. United States Golfing Fellowship of Rotary

    EIN 820432741 · Headquarters: PALM DESERT, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. United States Gymnastics Training Center Parent Support Organization

    EIN 330200480 · Headquarters: Aliso Viejo, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  15. United States Hydrogen Alliance

    EIN 853066461 · Headquarters: ALAMEDA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. United States Information Technology Office Inc - Usito

    EIN 521907156 · Headquarters: CAMPBELL, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. United States Innovation Economy Council

    EIN 611649750 · Headquarters: PALO ALTO, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  18. United States International Tempest Association

    EIN 042734122 · Headquarters: HUNTINGTON BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. United States Junior Chamber of Commerce

    EIN 811995570 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. United States Junior Chamber of Commerce

    EIN 815012169 · Headquarters: Torrance, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  21. United States Junior Chamber of Commerce

    EIN 941203087 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. United States Justice Foundation

    EIN 953523852 · Headquarters: Laguna Niguel, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. United States Lifesaving Foundation

    EIN 134337152 · Headquarters: Laguna Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. United States Masters Swimming Inc

    EIN 311131744 · Headquarters: La Jolla, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. United States Mexico Sister Cities Association Inc

    EIN 237078350 · Headquarters: BAKERSFIELD, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. United States Mission Corporation

    EIN 941585260 · Headquarters: SAN JOSE, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. United States National Defense Force Honor Guard Inc

    EIN 992379591 · Headquarters: CLOVIS, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. United States of America Transactional Analysis Association

    EIN 943017723 · Headquarters: GILROY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. United States Pony Clubs Inc

    EIN 204630012 · Headquarters: Avalon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. United States Pony Clubs Inc

    EIN 260093187 · Headquarters: Salinas, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. United States Power Squadrons

    EIN 237034244 · Headquarters: Auburn, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. United States Power Squadrons

    EIN 237105334 · Headquarters: Stockton, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. United States Power Squadrons

    EIN 680141357 · Headquarters: Santa Rosa, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  34. United States Power Squadrons

    EIN 946077758 · Headquarters: Saratoga, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. United States Power Squadrons

    EIN 946095401 · Headquarters: Moraga, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. United States Power Squadrons

    EIN 946107621 · Headquarters: San Bruno, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. United States Power Squadrons

    EIN 946128012 · Headquarters: Citrus Heights, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. United States Power Squadrons

    EIN 956071405 · Headquarters: La Mesa, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. United States Power Squadrons

    EIN 956071931 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. United States Power Squadrons

    EIN 956078895 · Headquarters: Santa Barbara, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. United States Power Squadrons

    EIN 956091765 · Headquarters: Newport Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. United States Power Squadrons

    EIN 956096144 · Headquarters: oak view, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. United States Power Squadrons

    EIN 956097943 · Headquarters: Oceanside, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. United States Power Squadrons

    EIN 956201670 · Headquarters: Oceanside, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. United States Veterans PTSD Resolution Foundation Inc

    EIN 831907010 · Headquarters: San Francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  46. United Steelworkers

    EIN 237323633 · Headquarters: Newberry Springs, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. United Steelworkers

    EIN 680130573 · Headquarters: Shasta Lake, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. United Steelworkers

    EIN 710961283 · Headquarters: Modesto, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. United Steelworkers

    EIN 753212767 · Headquarters: Oroville, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. United Steelworkers

    EIN 770150484 · Headquarters: Tehachapi, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  51. United Steelworkers

    EIN 770154723 · Headquarters: Rosamond, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. United Steelworkers

    EIN 940445855 · Headquarters: Concord, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. United Steelworkers

    EIN 940483445 · Headquarters: Concord, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. United Steelworkers

    EIN 941379953 · Headquarters: Martinez, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. United Steelworkers

    EIN 941411280 · Headquarters: Concord, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. United Steelworkers

    EIN 941443338 · Headquarters: Red Bluff, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. United Steelworkers

    EIN 950865902 · Headquarters: CARSON, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. United Steelworkers

    EIN 951063233 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. United Steelworkers

    EIN 951802312 · Headquarters: Maywood, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. United Steelworkers

    EIN 951866107 · Headquarters: West Covina, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. United Steelworkers

    EIN 951972273 · Headquarters: LOS ALAMITOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. United Steelworkers

    EIN 951979693 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  63. United Steelworkers

    EIN 951979695 · Headquarters: Westminster, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. United Steelworkers

    EIN 952013981 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. United Steelworkers

    EIN 952131510 · Headquarters: Maywood, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. United Steelworkers

    EIN 952262860 · Headquarters: Fontana, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. United Steelworkers Local 0017M

    EIN 942899477 · Headquarters: Empire, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. United Steelworkers Local 12-00005

    EIN 940730692 · Headquarters: Martinez, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. United Steelworkers Local 12-00006

    EIN 951625648 · Headquarters: Taft, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. United Steelworkers Local 12-00183

    EIN 611630516 · Headquarters: Apple Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  71. United Steelworkers Local 12-00819

    EIN 946078956 · Headquarters: Los Banos, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. United Steelworkers Local 12-01945

    EIN 951464681 · Headquarters: Paramount, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. United Steelworkers Local 12-02801

    EIN 582683815 · Headquarters: SIGNAL HILL, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. United Steelworkers Local 12-07600

    EIN 952596095 · Headquarters: Fontana, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. United Steelworkers Local 164B

    EIN 940577640 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. United Steelworkers Local 177M

    EIN 946172480 · Headquarters: Tracy, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. United Steelworkers Local 1853

    EIN 901077808 · Headquarters: Fontana, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. United Steelworkers Local 219

    EIN 951063010 · Headquarters: Bakersfield, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. United Steelworkers Local 326

    EIN 940730688 · Headquarters: Rodeo, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. United Steelworkers Local 810

    EIN 953278537 · Headquarters: Orange, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. United Steelworkers Local 8599

    EIN 510214815 · Headquarters: Fontana, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. United Steelworkrs Local 49

    EIN 950613116 · Headquarters: Apple Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. United Stuntwomens Association

    EIN 953929184 · Headquarters: SAUGUS, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. United Swiss Societies of Northern California Inc

    EIN 237126939 · Headquarters: GREENFIELD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. United Teachers Educational Foundation

    EIN 954267060 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. United Teachers Los Angeles

    EIN 952635019 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. United Teachers of Pasadena Inc

    EIN 951633959 · Headquarters: PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  88. United Teachers of Richmond

    EIN 941458830 · Headquarters: Pinole, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. United Teachers of Santa Clara

    EIN 941624553 · Headquarters: SANTA CLARA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. United Tenants Action Council Incorporated

    EIN 510183299 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  91. United Trustees Association

    EIN 953953008 · Headquarters: IRVINE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. United U Community Counseling Incorporated

    EIN 454367984 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  93. United Union of Roofers 220 Rdwa

    EIN 952418440 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. United Union of Roofers 27 Rdwa

    EIN 941231222 · Headquarters: FRESNO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. United Union of Roofers 40 Rdwa

    EIN 940814395 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. United Union of Roofers Waterproofers & Allied Workers Local Union No 36

    EIN 951161330 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. United Union of Roofers Waterproofers Allied Workers Local 45

    EIN 950744025 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. United Union Roofers & Waterproofers Local 95

    EIN 941117786 · Headquarters: SAN JOSE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. United Veterans Council of Santa Cruz County

    EIN 770295931 · Headquarters: Santa Cruz, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. United Veterans Services

    EIN 946104256 · Headquarters: Foster City, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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