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NAICS 813930 · Labor Unions and Similar Labor Organizations

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Labor union in California

4,712 labor union listed in California, each checked against the issuer's record. In the published order.

  1. Agricultural Council of California

    Active501(c)(5) labor, agricultural or horticultural organization

    Sacramento, CA

    CallAsk it
    Proof for Agricultural Council of California
    IRS exempt-organization registration
    IRS 940270940
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Sacramento, CA · serves California
    Phone
    (916) 443-4887
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 940270940 → IRS search

  2. Amalgamated Transit Union

    Active501(c)(5) labor, agricultural or horticultural organization

    Oakland, CA

    CallAsk it
    Proof for Amalgamated Transit Union
    IRS exempt-organization registration
    IRS 237299601
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Oakland, CA · serves California
    Phone
    (510) 763-1555
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237299601 → IRS search

  3. American Postal Workers Union

    Active501(c)(5) labor, agricultural or horticultural organization

    Panorama City, CA

    CallAsk it
    Proof for American Postal Workers Union
    IRS exempt-organization registration
    IRS 952768650
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Panorama City, CA · serves California
    Phone
    (818) 785-8490
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 952768650 → IRS search

  4. American Postal Workers Union

    Active501(c)(5) labor, agricultural or horticultural organization

    Bakersfield, CA

    CallAsk it
    Proof for American Postal Workers Union
    IRS exempt-organization registration
    IRS 952791957
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Bakersfield, CA · serves California
    Phone
    (661) 393-0748
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 952791957 → IRS search

  5. American Postal Workers Union

    Active501(c)(5) labor, agricultural or horticultural organization

    Oakland, CA

    CallAsk it
    Proof for American Postal Workers Union
    IRS exempt-organization registration
    IRS 946086961
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Oakland, CA · serves California
    Phone
    (510) 635-8497
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 946086961 → IRS search

  6. American Postal Workers Union

    Active501(c)(5) labor, agricultural or horticultural organization

    San Francisco, CA

    CallAsk it
    Proof for American Postal Workers Union
    IRS exempt-organization registration
    IRS 942184774
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    San Francisco, CA · serves California
    Phone
    (415) 522-1920
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 942184774 → IRS search

  7. Breeders Invitational Inc

    Active501(c)(5) labor, agricultural or horticultural organization

    Bakersfield, CA

    CallAsk it
    Proof for Breeders Invitational Inc
    IRS exempt-organization registration
    IRS 943288983
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Bakersfield, CA · serves California
    Phone
    (661) 327-7511
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 943288983 → IRS search

  8. Burbank Teachers Association

    Active501(c)(5) labor, agricultural or horticultural organization

    Burbank, CA

    CallAsk it
    Proof for Burbank Teachers Association
    IRS exempt-organization registration
    IRS 951772471
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Burbank, CA · serves California
    Phone
    (818) 846-1304
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 951772471 → IRS search

  9. California Cattlemens Association

    Active501(c)(5) labor, agricultural or horticultural organization

    Sacramento, CA

    CallAsk it
    Proof for California Cattlemens Association
    IRS exempt-organization registration
    IRS 940356680
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Sacramento, CA · serves California
    Phone
    (916) 444-0845
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 940356680 → IRS search

  10. California State Employees Association

    Active501(c)(5) labor, agricultural or horticultural organization

    Sacramento, CA

    CallAsk it
    Proof for California State Employees Association
    IRS exempt-organization registration
    IRS 940362021
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Sacramento, CA · serves California
    Phone
    (916) 444-8134
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 940362021 → IRS search

  11. California State Retirees

    Active501(c)(5) labor, agricultural or horticultural organization

    Sacramento, CA

    CallAsk it
    Proof for California State Retirees
    IRS exempt-organization registration
    IRS 651217957
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Sacramento, CA · serves California
    Phone
    (888) 808-7197
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 651217957 → IRS search

  12. California Teachers Association

    Active501(c)(5) labor, agricultural or horticultural organization

    Hesperia, CA

    CallAsk it
    Proof for California Teachers Association
    IRS exempt-organization registration
    IRS 330060962
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Hesperia, CA · serves California
    Phone
    (760) 244-2239
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 330060962 → IRS search

  13. California Teachers Association

    Active501(c)(5) labor, agricultural or horticultural organization

    Ontario, CA

    CallAsk it
    Proof for California Teachers Association
    IRS exempt-organization registration
    IRS 952426143
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Ontario, CA · serves California
    Phone
    (909) 476-2367
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 952426143 → IRS search

  14. California Teachers Association

    Active501(c)(5) labor, agricultural or horticultural organization

    Concord, CA

    CallAsk it
    Proof for California Teachers Association
    IRS exempt-organization registration
    IRS 941463275
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Concord, CA · serves California
    Phone
    (925) 676-2822
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 941463275 → IRS search

  15. Central Valley Project Water Association

    Active501(c)(5) labor, agricultural or horticultural organization

    Sacramento, CA

    CallAsk it
    Proof for Central Valley Project Water Association
    IRS exempt-organization registration
    IRS 680005432
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Sacramento, CA · serves California
    Phone
    (916) 448-1638
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 680005432 → IRS search

  16. Colusa County Farm Bureau

    Active501(c)(5) labor, agricultural or horticultural organization

    Colusa, CA

    CallAsk it
    Proof for Colusa County Farm Bureau
    IRS exempt-organization registration
    IRS 941179906
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Colusa, CA · serves California
    Phone
    (530) 458-5130
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 941179906 → IRS search

  17. Compton Education Association

    Active501(c)(5) labor, agricultural or horticultural organization

    Compton, CA

    CallAsk it
    Proof for Compton Education Association
    IRS exempt-organization registration
    IRS 952672842
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Compton, CA · serves California
    Phone
    (310) 638-8576
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 952672842 → IRS search

  18. Deputy Sheriffs Association of Alameda County

    Active501(c)(5) labor, agricultural or horticultural organization

    Pleasanton, CA

    CallAsk it
    Proof for Deputy Sheriffs Association of Alameda County
    IRS exempt-organization registration
    IRS 942297292
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Pleasanton, CA · serves California
    Phone
    (925) 463-3760
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 942297292 → IRS search

  19. Deputy Sheriffs Association of San Diego County

    Active501(c)(5) labor, agricultural or horticultural organization

    Poway, CA

    CallAsk it
    Proof for Deputy Sheriffs Association of San Diego County
    IRS exempt-organization registration
    IRS 951953482
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Poway, CA · serves California
    Phone
    (858) 486-9009
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 951953482 → IRS search

  20. Directors Guild of America Inc

    Active501(c)(5) labor, agricultural or horticultural organization

    Los Angeles, CA

    CallAsk it
    Proof for Directors Guild of America Inc
    IRS exempt-organization registration
    IRS 951202310
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Los Angeles, CA · serves California
    Phone
    (310) 289-2000
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 951202310 → IRS search

Cities

San Jose 862Sacramento 345San Francisco 147Los Angeles 140Oakland 103San Diego 95Fresno 84Bakersfield 72Burbank 54Visalia 49Riverside 42Santa Rosa 41Concord 38Stockton 38Modesto 36Pasadena 34Redding 34Martinez 32Long Beach 31Vernon 31Pleasanton 29Chico 28Orange 27Salinas 25

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