Bulk feed tanks, being self-contained metal tanks with metal legs for erection on farms and at feed lots for the purpose of storage of large quantities of cattle feed; prefabricated metal buildings and prefabricated metal grain bins, being large all-metal structures constructed with steel framework covered by sheet metal; doors, door panels and frames, security windows and frames, plate access doors, and fastening anchor plates for securing mirrors to walls, all made of metal

Intermodal truck and rail car chassis

Furniture for prisons, namely, tables, chairs, stools, bench seats, bunk beds, mirrors, desks, shelves, lockers, cabinets, and shower curtain rods, all made of metal

Construction of buildings for agricultural use

Custom steel fabrication for manufacturers; fuel production services, namely, ethanol; custom manufacture of parts for rail cars; and, custom manufacture of correctional products, namely, doors, windows and steel furniture for use in prisons, all to the order and specification of others