Welcome to UA Local Union No. 343

Welcome to the Website for UA Local No. 343!
Published on Tuesday, November 9, 2010

Thank you for taking the time to learn more about us through our website.  On our site you can learn a great deal about us such as:

  • Officers of the Local
  • Our History
  • Apprenticeship Information
  • Journeymen Training Information
  • Organizing Information including Why You Should Join
  • News and Events
  • Promotional Information such as Video and Commercials
  • Key Government Information for Your Area
  • Key Political Information on Upcoming Projects and
  • Politicians
  • Photo’s of Our Work
  • Helpful Links
  • And More!!!

In using this website we hope to provide you with insight into who we are and how we work. Thank you for visiting and enjoy the wealth of information provided.

God Bless America and all those defending our great nation!


Proudly Serving Napa and Solano Counties

The Leadership and Members of UA Local 343 would like to welcome you to our website where you can find a great deal of information about us. The Plumbers and Steamfitters of Local 343 work on projects of all shapes and sizes. We can be found working on Bio-Pharmaceutical facilities, refineries, wineries, public work projects such as fire stations, police stations, schools, waste and water treatment facilities. We can also be found working on homes and small businesses.

The Plumbers and Steamfitters of Local 343 are vital to many industries throughout Solano and Napa County and it’s because of our highly skilled  workforce. We are over 600 members strong and  growing. We are always looking for the best and brightest that the U A Local 343 Joint Apprenticeship  and Training Committee have to offer. You can visit the Training and or Apprenticeship pages to learn more about skilled and training that our members receive for this is what truly separates us from everyone else.

We encourage you learn more About Us, we hope that you enjoy your time on our site, and finally, we welcome all Feedback.

God Bless America!