United Company Rusal (Russian: МКПАО «ОК РУСАЛ») is the world's second largest aluminium company by primary production output (as of 2016). It was the largest until overtaken by China Hongqiao Group in 2015. Rusal accounts for almost 9% of the world's primary aluminium output and 9% of the world's alumina production. Rusal was founded by major Russian industrialist Oleg Deripaska. The United Company was formed by the merger of Rusal (Russian: Русский алюминий, romanized: Russkiy alyuminiy, lit. 'Russian aluminium'), SUAL, and the alumina assets of Glencore, completed in March 2007.
https://en.wikipedia.org/wiki/Rusal