Local union no.104 SMWIA - Information for union sheet metal workers on classes, benefits, political information, and the International Training Institute.
Sheet Metal Contractors of Central Ohio - Represents sheet metal contractors in the Columbus and Dayton, Ohio and Huntington, West Virginia areas who utilize craftsmen from SMWIA Local Union #24.
Sheet Metal Training Center Local 16 - Information on apprenticeship and pre-apprenticeship opportunities as well as continuing education in Portland, Oregon. Union Sheet Metal Workers.
Sheet Metal Workers Local #10 - Covers Minnesota, North Dakota, South Dakota, and some counties in northern Wisconsin. History, business reps, local contractors, pay rates, calendar.