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What UA Local 393 Does

HVAC/R Service Contractors

Plumbing Service Contractors

Residential Contractors

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UA Local Union 393. Plumbers, Steamfitters, and HVAC/R Service Technicians supporting quality work
and quality of life in Silicon Valley communities for more than a century.

We’ve moved to our new home!

Please note our new address:

6299 San Ignacio Avenue
San Jose, CA 95119

Our phone number remains the same: 408-225-3030