The person or firm that assembles all the component parts into a complete window, door or sash unit
A producer of intermediate products that does not also produce primary metal For example, a rebar (see Reinforcing Bar) fabricator purchases rebar and processes the material to the specifications of a particular construction project
A producer of intermediate products that does not also produce primary metal Examples include brass, wire and rod mills, which buy copper and other primary or secondary metals to produce brass and other copper alloys, or take raw forms of metal and make building, magnet, telecommunications and/or industrial wire, rod, and similar products
A company which makes fabricated or semi-fabricated products such as wire, cable, tubes, strip, rods, etc from refined metals and occasionally from scrap