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Latest News

Make YOUR Voice Heard
Sign the Petition for Safe Refineries 
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Want to know what your dues will be?
Check out the
Dues Calculator @ USW 351L
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Welcome to USW Local 12-591

Continuing our work to protect and grow the middle class, we encourage everyone to explore our site, learn what you can, and decide whether organizing your workforce would be right for you.



Effective August 1, 2017, Tesoro will be changing it's name to Andeavor. Same assets, same people, different name.

Web site has been updated a bit early as this guy won't be here on the 1st.


Monthly Meetings

Monthly meetings are your way to stay informed and have a say in the direction of your union. Click here to see when your meeting is scheduled.






















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