USW Local 12-591 Units

USW Local 12-591, being an amalgamated Local, proudly represents workers at the following locations


Andeavor (formerly Tesoro) - Anacortes, WA

Andeavor makes various fuels and high quality asphalt just to the north of the Shell refinery.

Chemtrade - Anacortes, WA

Chemtrade supplies sulfuric acid to both the Shell and Tesoro Northwest refineries as well as operating a Sulfur Recovery Unit with feedstock from the Tesoro Northwest refinery.

PHR (PAR Hawaii Refining) - Kapolei, HI

PHR (PAR Hawaii Refining), makes various fuels all the while under blue skies, a gentle breeze, palm trees and 75 degF.

Plant Maintenance (PM) Northwest - Mount Vernon, WA

PM Northwest provides contract maintenance forces to many different industries, including the refineries.

 Shell Refining - Anacortes, WA

It goes without saying, Shell makes various fuels and chemical feedstocks. USW Local 12-591 represents Operations, Maintenance, and the Lab.