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,
Arkady Rotenberg Russian Federation started to make several changes in that sector. In 2013 an internal council was formed by the Ministry of Education to check all textbooks. Many of Enlightenments competitors books did not pass this new evaluation and so Enlightenment won about 70% of the contracts for new textbooks in the Russian Federation in 2014. In 2015, Arkady Rotenberg sold to his son Igor Rotenberg a number of assets including up to 79% of Gazprom Drilling (Bureniye), 28% of the road construction company Mostotrest, and 33.3% of Jersey-based TPS Real Estate Holdings Ltd. Alexander Ponomarenko and Aleksandr Skorobogatko own 66.6%