United Association

About

The United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada is a multi-craft union whose members are engaged in the fabrication, installation and servicing of piping systems. The pipe trades industry members use their skills in commercial, industrial and residential arenas. Among the many projects on which UA members can be found are single-family homes, garden and high-rise apartment buildings, large and small office complexes, power plants, refineries and factories. Founded in 1889 and headquartered in Washington, D.