Next, Korzhev and Troitsky established O’Key in 2001, and they have owned Neva Rus, an Armenian metallurgy business since 2007. The two namesakes went on to take the Russian supermarket chain O’Key Group public on the London Stock Exchange in the fall of 2010. As of early 2013, the market capitalization of the supermarket chain is $3 billion. Also, in late 2011, they started a new ore dressing enterprise, Sagamar, investing $94 million in it.