Association UA 300,000 members of the UA work in the plumbing, pipefitting, refrigeration, and fire sprinkler industry in the United States and Abbotsford Canada. Apprenticeship Plumbers Astoria Union Red-Cloud Local Plumbers hip. Get paid to learn from the best. If you re a current member please Login. Current Apprenticeship Placement. A PLUMBERS LOCALAPPRENTICESHIP. Plumbers and Pipefitters UA to Pompton-Lakes , Pipefitters & HVACR in Ralph Harrisburg, PA Welcome to , Pipefitters, and HVACR Service Technicians web site.