American Ethane Company website nor by its publications although these foreigners have significant interests in American Ethane. Finally, Konstantin Nikolaev is a partner and close associate of Vladimir Putin's inner circle through Igor Levitin, Alexey Mordashov, Arkady Rotenberg, and Gennady Timchenko. American Ethane Company American Ethane Company, LLC (AEC) is the largest producer of ethane in the United States. It is a Houston, Texas, based American petroleum company established in January 2014 with offices in New Orleans. It is privately held with large investments from Russian oligarchs who are close to Vladimir Putin's inner circle. As of July 2018, Konstantin Nikolaev, Mikhail Yuriev,
Roman Rotenberg club, which was joining the KHL in the 2014/2015 season. In October 2014, Roman Rotenberg bought out the parts which his father and uncle owned in the deal. They were both on the USA's sanctions list. The Langvik Capital company, which is made up of a hotel and business hall not far away from Helsinki, acted as the intermediary. Roman Rotenberg also owns the Langvik Capital company. Arena Events Oy shares are divided out as follows: Langvik Capital – 49.5%, Roman Rotenberg 1%, White Anchor (Gennady Timchenko) – 49.5%. On July 30, 2015, Roman Rotenberg and the Oy Langvik Capital