United Association Local Union 342 represents workers in the pipe trades industries. These highly skilled craftsmen and craftswomen build and service everything from sanitary plumbing in homes, to ultra pure process piping systems in semiconductor and biotech plants. Examples of the work performed include:
Website: www.ua342.org
Address: Local Union 342
935 Detroit Avenue
Concord, CA 94518
Phone: 925-686-5880
