The
United Association of Journeymen and Apprentices
(www.ua.org)
The "UA" as it is
commonly known is a multi-craft union
whose members are engaged in the fabrication,
installation and servicing of piping systems.
CAUSE
(www.causegmw.org)
The organization of Washington area Mechanical
Contractors, Plumbers Local 5, Steamfitters
Local 602