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!
Highlighted Projects
Check out some high-profile projects completed by South Bay Piping Industry contractors and Local 393 members.
Mills Peninsula Hospital
Levi’s Stadium
Children’s Discovery Museum
Squaw Valley
Apple Park Campus
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
San Jose Giants Baseball – 2025 Season
GET YOUR TICKETS! San Jose Giants Baseball is here and so are your complementary tickets courtesy of South Bay Piping Industry. We have a special season planned with only three (3) VIP games available
2025 Earthquakes Soccer Tickets!
South Bay Piping Industry is proud to announce we are again a sponsor for the 2025 San Jose Earthquakes Soccer Season! Get your tickets and enjoy the game! These tickets are for Local 393
Pipe Trades Training Center
The Pipe Trades Training Center sponsored a successful event titled "Building Our Future". Please click on the link below to learn more. https://www.pttc.edu/building-our-future Thank you for your support!
South Bay Piping Industry
