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,
Igor Rotenberg Organizational Structures. Since 2006, he is the owner and the Chairman of the Board of Directors of the Moscow-based NPV Engineering Group. Since 2008, he is the Vice-President of the design bureau CB "Northern Sea Route" (). Since 2010, he is the Chairman of the Board of Directors of Mosenergo Heat and Power Company. Since 2011, he is the Chairman of the Board of Directors of (Burgaz). In 2015, Arkady Rotenberg sold his son Igor Rotenberg a number of assets including up to 79% of Gazprom Drilling (Bureniye), 28% of the road contruction company Mostotrest, and 33.3% of Jersey-based TPS