AK Steel

AK Steel Holding Corporation is a steel producer headquartered in West Chester Township, Butler County, Ohio. The company's name is derived from the initials of Armco, its predecessor company, and Kawasaki Steel Corporation, which contributed several of its production facilities to the company in 1989 in exchange for a large stake in the company.The company has been criticized for its pollution and worker safety record.Current operationsThe company operates 8 steel plants and 2 tube manufacturing plants. The steel plants are in Ashland, Kentucky, Butler, Pennsylvania, Coshocton, Ohio, Dearborn, Michigan, Mansfield, Ohio, Middletown, Ohio, Rockport, Indiana, and Zanesville, Ohio.Of the company's 2016 sales, 66% was to the automotive industry, 16% was to infrastructure and manufacturing industry, and 18% was to distributors and converters.Armco's best known products include: The crash barriers installed at roadsides, in central reservations, and around many auto-racing tracks. These barriers are commonly called "Armco" or Armco barriers in the United Kingdom. Bent corrugated steel panels that can be bolted together to make culverts. These are known as "Armco culverts". Pre-fabricated and pre-primed/pre-painted steel panel buildings, often found in railyards and as outbuildings and storage structures (sheds, Quonset huts, hangars, etc.).