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. International Association of Machinists and Aerospace Workers

    EIN 940454353 · Headquarters: CONCORD, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. International Association of Machinists and Aerospace Workers

    EIN 942222981 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. International Association of Machinists and Aerospace Workers F

    EIN 931397439 · Headquarters: IMPERIAL, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. International Association of Marathoners Inc

    EIN 330053751 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. International Association of Plumbing and Mechanical Officials

    EIN 951603192 · Headquarters: ONTARIO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. International Association of Rehabilitaion Professionals

    EIN 753107048 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. International Association of Retired Firefighters

    EIN 330663163 · Headquarters: BURBANK, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. International Association of Science & Technology for Development USA

    EIN 330497086 · Headquarters: TUSTIN, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. International Association of Sheet Metal Air Rail & Transportation

    EIN 941043456 · Headquarters: Vacaville, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. International Association of Sheet Metal Air Rail & Transportation

    EIN 942193671 · Headquarters: Linden, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. International Association of Sheet Metal Air Rail & Transportation

    EIN 956000387 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. International Association of Sheet Metal Air Rail & Transportation

    EIN 956091745 · Headquarters: COMPTON, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. International Association of Sheet Metal Air Rail & Transportation

    EIN 956093161 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. International Association of Sheet Metal Air Rail & Transportation

    EIN 956097130 · Headquarters: WHITTIER, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. International Association of Sheet Metal Air Rail & Transportation 1563 Td

    EIN 956000386 · Headquarters: HACIENDA HEIGHTS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. International Association of Sheet Metal Air Rail & Transportation 1605 TD

    EIN 992514375 · Headquarters: San Pedro, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. International Association of Sheet Metal Air Rail & Transportation 1607 Td

    EIN 952096210 · Headquarters: SN BERNRDNO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. International Association of Sheet Metal Air Rail & Transportation 1608 Td

    EIN 954137929 · Headquarters: GRANADA HILLS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. International Association of Sufism

    EIN 680019267 · Headquarters: Novato, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. International Association of Technology Advocates

    EIN 333609415 · Headquarters: LAGUNA HILLS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. International Associaton of Fire Fighters

    EIN 881118923 · Headquarters: Chester, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  22. International Assoiation of Lions Clubs

    EIN 274621966 · Headquarters: San Jose, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. International Bankers Association in California

    EIN 953950802 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. International Battery Materials Association

    EIN 341434869 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. International Black Restaurant & Hospitality Association

    EIN 832762545 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  26. International Brotherhd - Boilrmkrs Ir Shp Bldrs Blcksmth

    EIN 770432456 · Headquarters: Ridgecrest, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. International Brotherhood of 0551 Local Union

    EIN 941104872 · Headquarters: Santa Rosa, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. International Brotherhood of 063 TCWH

    EIN 952985421 · Headquarters: Rialto, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. International Brotherhood of 087 TCWH

    EIN 950865989 · Headquarters: Bakersfield, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. International Brotherhood Of 186 TCWH

    EIN 951287486 · Headquarters: Ventura, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. International Brotherhood of 287 Tcwh

    EIN 941076364 · Headquarters: SAN JOSE, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  32. International Brotherhood of 396 TCWH

    EIN 951453332 · Headquarters: Covina, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. International Brotherhood of 42 Joint Council

    EIN 950884084 · Headquarters: Pomona, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. International Brotherhood of 439 Tcwh

    EIN 940918920 · Headquarters: STOCKTON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. International Brotherhood of 481 Tcwh

    EIN 951416881 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. International Brotherhood of 495 TCWH

    EIN 950745274 · Headquarters: West Covina, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. International Brotherhood of 507 Bpat

    EIN 940748035 · Headquarters: SAN JOSE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. International Brotherhood of 517 TCWH

    EIN 941069921 · Headquarters: Visalia, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. International Brotherhood of 572 TCWH

    EIN 950619663 · Headquarters: Carson, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. International Brotherhood of 630 TCWH

    EIN 951371988 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. International Brotherhood of 848 Tcwh

    EIN 951371985 · Headquarters: GLENDORA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. International Brotherhood of 856 TCWH Freight Checkers Clerical

    EIN 941211646 · Headquarters: San Bruno, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. International Brotherhood of 896 TCWH

    EIN 951498604 · Headquarters: Pasadena, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. International Brotherhood of 911 TCWH

    EIN 952954061 · Headquarters: Bellflower, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. International Brotherhood of 986 TCWH

    EIN 951568498 · Headquarters: Covina, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. International Brotherhood of Boilermakers Lodge 92

    EIN 950560155 · Headquarters: CARSON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. International Brotherhood of Elecrical Workers Local 889

    EIN 956001693 · Headquarters: GLENDORA, CA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  48. International Brotherhood of Electrical

    EIN 951517072 · Headquarters: NORTH HOLLYWOOD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. International Brotherhood of Electrical Worker's Union Local No 413

    EIN 950865949 · Headquarters: BUELLTON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. International Brotherhood of Electrical Worker's Union Local No 639

    EIN 368631520 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. International Brotherhood of Electrical Workers

    EIN 237114317 · Headquarters: CASTROVILLE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. International Brotherhood of Electrical Workers - Local No 1269

    EIN 942172980 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  53. International Brotherhood of Electrical Workers 0428 Local

    EIN 950865964 · Headquarters: BAKERSFIELD, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. International Brotherhood of Electrical Workers 543

    EIN 951806669 · Headquarters: VICTORVILLE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. International Brotherhood of Electrical Workers Local #180

    EIN 940577276 · Headquarters: NAPA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. International Brotherhood of Electrical Workers Local 1436

    EIN 542159048 · Headquarters: ROMOLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  57. International Brotherhood of Electrical Workers Local 2139

    EIN 953369303 · Headquarters: NORTH HOLLYWOOD, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  58. International Brotherhood of Electrical Workers Local 2295

    EIN 952641256 · Headquarters: EL MONTE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. International Brotherhood of Electrical Workers Local 332

    EIN 940577280 · Headquarters: San Jose, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. International Brotherhood of Electrical Workers Local 441

    EIN 950517002 · Headquarters: ORANGE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. International Brotherhood of Electrical Workers Local 569 AFL-CIO

    EIN 950865952 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. International Brotherhood of Electrical Workers Local 595

    EIN 940577269 · Headquarters: Dublin, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. International Brotherhood of Electrical Workers Local 684

    EIN 940299573 · Headquarters: MODESTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. International Brotherhood of Electrical Workers Local Union 40

    EIN 950865965 · Headquarters: NORTH HOLLYWOOD, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. International Brotherhood of Electrical Workers Local Union 440

    EIN 950745268 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. International Brotherhood of Electrical Workers Local Union 6

    EIN 940577275 · Headquarters: san francisco, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. International Brotherhood of Electrical Workers Local Union 952

    EIN 951452487 · Headquarters: Ventura, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. International Brotherhood of Electrical Workers Local Union No 11

    EIN 950516994 · Headquarters: Pasadena, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. International Brotherhood of Electrical Workers Local Union No 1710

    EIN 951685282 · Headquarters: EL MONTE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. International Brotherhood of Electrical Workers Local Union No 18

    EIN 950865960 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. International Brotherhood of Electrical Workers Local Union No 234

    EIN 941718144 · Headquarters: SALINAS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. International Brotherhood of Electrical Workers Local Union No 47

    EIN 951570434 · Headquarters: DIAMOND BAR, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. International Brotherhood of Electrical Workers Local Union No 595 Vacation Plan

    EIN 943161563 · Headquarters: Pleasanton, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  74. International Brotherhood of Electrical Workers Union Local 465

    EIN 950865953 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. International Brotherhood of Electrical Workers Welfare Fund-17

    EIN 956064203 · Headquarters: WEST COVINA, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  76. International Brotherhood of Magicians Ring 21

    EIN 562481651 · Headquarters: Burbank, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  77. International Brotherhood of Painters #487

    EIN 940748032 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. International Brotherhood of Painters & Allied Trades #83

    EIN 940748033 · Headquarters: Petaluma, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. International Brotherhood of Painters & Allied Trades Local 376

    EIN 940925639 · Headquarters: VALLEJO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. International Brotherhood of Painters & Allied Trades LU 294

    EIN 940748030 · Headquarters: Fresno, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. International Brotherhood of Painters 741

    EIN 940748039 · Headquarters: Vallejo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. International Brotherhood of Peace Officers

    EIN 330267418 · Headquarters: BEAUMONT, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. International Brotherhood of Retiree Chapter of Kern County

    EIN 770297021 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. International Brotherhood of Teamsters

    EIN 770113099 · Headquarters: Selma, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  85. International Brotherhood of Teamsters

    EIN 770208226 · Headquarters: Escalon, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  86. International Brotherhood of Teamsters

    EIN 942801732 · Headquarters: Stockton, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. International Brotherhood of Teamsters

    EIN 942939103 · Headquarters: FREMONT, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  88. International Brotherhood of Teamsters

    EIN 951287485 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. International Brotherhood of Teamsters

    EIN 952707009 · Headquarters: Pomona, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. International Brotherhood of Teamsters 150 Tchw

    EIN 940380120 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. International Brotherhood of Teamsters 386 Tcwh

    EIN 940577279 · Headquarters: MODESTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. International Brotherhood of Teamsters 431

    EIN 940577293 · Headquarters: FRESNO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. International Brotherhood of Teamsters Chauffeurs Warehousemen & Helpers

    EIN 940577292 · Headquarters: Martinez, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. International Brotherhood of Teamsters Local 166

    EIN 951480983 · Headquarters: BLOOMINGTON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. International Brotherhood of Teamsters Local 2010

    EIN 943233171 · Headquarters: Oakland, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. International Brotherhood of Teamsters Local 683

    EIN 951227516 · Headquarters: EL CAJON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. International Brotherhood of Teamsters Local 948

    EIN 941310598 · Headquarters: Visalia, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. International Brotherhood of Teamsters Local Union 137

    EIN 940577278 · Headquarters: REDDING, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. International Brotherhood of Teamsters Warehouse Wholesale Liquor Salesperson

    EIN 940963930 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. International Brotherhood Steel & Iron Workers Local 790

    EIN 941453830 · Headquarters: PLEASANT HILL, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

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