United Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada
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About UA Local 521The United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada (UA) is a multi-craft union whose members are engaged in the fabrication, installation and servicing of piping systems.
Local Unions in HUNTINGTON, WVCWA Local 2009, LIUNA Local 543, SMWIA Local 462, AFGE Local 3729, BLET Local 190, USW Local 5171, USW Local 40, IATSE Local 369, IAM Local 104, RWDSU Local 21, UBC Local 302, USW Local 1652, IBEW Local 317, IBT Local 505, GCC Local 53, AFM Local 362, UWUA Local 176, IUPAT Local 813