AdvanSix Hopewell Chemical Plant, Virginia

AdvanSix’s chemical plant in Hopewell, Virginia, is one of the largest producers of caprolactam, a feedstock for nylon. The creation of Nylon (invented by the explosives and chemical company DuPont), involves a lot of nitrogen-related material, including ammonia. The site is also a major producer of ammonium sulfates used for fertilizer. AdvanSix is a new company, formed in 2016, to take over the resins and chemical divisions of the electronics and aerospace company Honeywell.