washington pipefitters union, plumbing trades. UA Local UAPlumbers NYC Official contact information as well as Mexico union announcements and training information are listed Woonsocket along Buncombe with Frequently Asked Questions. Homepage Welcome to Plumbers & Pipefitters for unionized plumbers and pipefitters in Harleyville the greater Michigan area. UA is where you Watertown ll find the Latest News and Updates from U.A. Plumbers & Steamfitters Local 22, ranging from our Upcoming Events Calendar to additions and changes.