The United Association of
Plumbers & Steamfitters Local Union 398

United Association Local Union 398 offers a wide range of technical skills that are valued throughout the construction industry.

Our members are the piping professionals that provide the Community with the complex piping systems that are responsible for potable water, sanitary systems, medical gas, heating, cooling, and purity piping for the pharmaceutical and micro-electronic industries along with an array of other services.

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