Become a metal fabricator with this foundation program. As a sheet metal fabricator, you will build, assemble and repair products made of steel or other metals for use in a wide variety of manufacturing and construction industries, operating specialized metalworking machines. Metal fabricators are needed at: Sheet metal fabrication and welding shops, Structural steel, boilers, plate workers, heavy machinery and transportation equipment manufacturing companies, Shipbuilding companies and Welding, ironwork and sheet metal work contractors.