Profile: Chief Industries, Inc. markets steel buildings, grain bins, grain conditioning, bulk-handling, feedmill equipment and accessories. We offer pioneer post frame, tanks, material handling and magnum wood steel. Our accessory line includes wall liner, insulation, walk doors, windows, cupolas, vents, skylights, eave lights and ridge lites. Our magnum wood steel offers accessories, which include roof overhangs, wainscot, lean-to's and gutter systems.