Koza Altın İşletmeleri A.Ş is a Turkish gold mining company. Founded in 1989 as a branch of the former Australian Normandy Mining corporation, in 2005 Koza İpek bought all the company's shares. In February 2010, the company went public with an initial public offering of ₺2,200,000,000. By 2012, the company had a market value of around ₺5,000,000,000. Wikipedia