Japan’s rush to diversify its energy supplies after the 2011 meltdowns at the Fukushima Daiichi nuclear plant is creating business opportunities for Japanese contractors that specialize in building energy facilities. A joint venture that includes Japanese engineering company Chiyoda Corp., said Tuesday that it had received a $6 billion contract to build a natural-gas liquefaction plant in Louisiana. Tokyo Electric Power Co. , which owns Fukushima Daiichi, is among the Cameron Liquefaction Project’s expected customers. Chiyoda’s partner is Chicago Bridge & Iron Co., which is based in The Hague. Japanese trading houses Mitsubishi Corp. and Mitsui & Co. are minority shareholders in the Hackberry, La., plant. The liquefied-natural-gas project is being led by San Diego’s Sempra Energy, and French utility GDF Suez SA is among […]