Aperam S.A. is a company, listed on the Amsterdam, Brussels, Paris, Madrid and Luxembourg stock exchanges and with facilities in Brazil, Belgium and France, which concentrates on the production of stainless and speciality steel. It was spun out of ArcelorMittal at the start of 2011; the facilities that became Aperam had about 27% by turnover of the stainless-steel market as of 2009.[2]