Hawaii Sheet Metal Workers - Web established in 1961, the sheet metal contractors association (smca) of hawaii is a statewide trade association that. Hsmw is part of the sheet metal workers´ international. Web we will continue to instill a deep sense of pride for everyone in our trade.
Web we will continue to instill a deep sense of pride for everyone in our trade. Hsmw is part of the sheet metal workers´ international. Web established in 1961, the sheet metal contractors association (smca) of hawaii is a statewide trade association that.