Mining & MetalsNucor-Yamato Steel Company was formed in 1987 as a joint venture between Nucor and Yamato Kogyo with the goal of operating a steel mini-mill to manufacture wide-flange beams in Blytheville, Arkansas. Today, Nucor-Yamato Steel Company has the capacity to produce over 2.5 million tons per year of not only wide-flange beams, but also H-piling, sheet piling, standard I-beams, channels and various other structural shapes.