Hayward, CA Trade and Labor Unions
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![Carpenters Union Local No 71](https://www.2findlocal.com/Set/Images/no_image_business.png)
Carpenters Union Local No 71
31050 Mattox Rd.,
Hayward, 94541
510-581-7817
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![Carpenters Union Local No. 713](https://www.2findlocal.com/Set/Images/no_image_business.png)
Carpenters Union Local No. 713
1050 Mattox Rd.,
Hayward, 94541
510-581-7817
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![Sprinkler Fitters Local 483](https://www.2findlocal.com/Set/Images/no_image_business.png)
Sprinkler Fitters Local 483
2525 Barrington Ct.,
Hayward, 94545
800-380-8483
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![Hayward Firefighters Local 1909](https://www.2findlocal.com/Set/Images/no_image_business.png)
Hayward Firefighters Local 1909
22734 Main St.,
Hayward, 94541
510-885-1909
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![Sheet Metal Production Workers Union Local No 355](https://www.2findlocal.com/Set/Images/no_image_business.png)
Sheet Metal Production Workers Union Local No 355
22693 Hesperian Blvd. 270,
Hayward, 94541
510-670-8794
View detail page - Sheet Metal Production Workers Union Local No 355
![United Food & Commercial Workers Union-Local 870](https://www.2findlocal.com/Set/Images/no_image_business.png)
United Food & Commercial Workers Union-Local 870
28870 Mission Blvd.,
Hayward, 94544
510-889-0880
View detail page - United Food & Commercial Workers Union-Local 870
![Urcw Local 870](https://www.2findlocal.com/Set/Images/no_image_business.png)
![Communication Workers of America Loc. 9412](https://www.2findlocal.com/Set/Images/no_image_business.png)
Communication Workers of America Loc. 9412
29868 Mission Blvd.,
Hayward, 94544
800-747-4292
View detail page - Communication Workers of America Loc. 9412
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