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U.A. Local 393 Plumbers, Steamfitters and HVAC/R Service Technicians, Plumbing, Mechanical, Industrial and Service & Maintenance Contractors

Quality-Assured Contractors


South Bay Piping Industry contractors and their UA Local 393 members have literally been a part of every major construction project in Silicon Valley. U.A. Local 393 Plumbers and Pipefitters was established over 100 years ago here in Silicon Valley and many of our contractors are being led by 4th and 5th generation family members.

We Built This Valley!

About Us

Learn more about South Bay Piping Industry on the About Us page

Contractors

Visit the Contractors page to learn more about our members

News

Visit our News page to see the latest News & Events

Contact Us

Send us an email via the online form on the Contact Us page
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Highlighted Projects

Check out some high-profile projects completed by South Bay Piping Industry contractors and Local 393 members.

Mills Peninsula Hospital

Mills Peninsula Hospital

Levi’s Stadium

Children’s Discovery Museum

squaw valley construction

Squaw Valley

Apple Park Cupertino

Apple Park Campus

San Jose City Hall

San Jose City Hall

We Built This Valley

Over 100 years of building experience

Latest News

New Covid protocols for the construction industry, Local 393 members and employers can be found on the Santa Clara County Public Health

2024 Earthquakes Soccer Tickets!

February 21st, 2024|

South Bay Piping Industry is proud to announce we are again a sponsor of the San Jose Earthquakes! Get your complimentary tickets - first come, first serve.  Seats are limited, fans that have not

2023-2024 Season San Jose Barracuda Tickets!

October 10th, 2023|

Complimentary Tickets for 2023-2024 Season! We must receive your request 48 hours before the game starts. If you request tickets to multiple games in advance, priority may be given to requests from fans that have

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