SunCoke Energy currently operates metallurgical coke plants in Vansant, Virginia, East Chicago, Illinois, Haverhill, Ohio and Vitória, Brazil . These facilities produce over 4.3 million tons of coke each year. SunCoke Energy is a wholly owned business unit of Sunoco, Inc., a Fortune 100 firm.
Beginning coke production in 1962, SunCoke Energy's negative-pressure oven technology has undergone 10 generations of design improvement to now become the undisputed technology leader in the industry. It is also the industry trailblazer in developing cogeneration of electricity in conjunction with coke plant operations. – less–ZoomInfo