United Association of Journeymen & Apprentices of the Plumbing and Pipefitting Industry (UA)

The United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada or "UA" as it is commonly known is a multi-craft union whose members are engaged in the fabrication, installation and servicing of piping systems.

There are approximately 326,000 highly-skilled United Association members who belong to over 300 individual local unions across North America.

The UA is also a key member of the Building and Construction Trades Department, the AFL-CIO, and the Canadian Federation of Labour.