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 on Russian federal highways beginning November 2015. Insted of the expected total revenues from Platon of 20 to 40 billion rubles, the actual revenues were 25% or less than those figures. On 29 March 2018, Igor sold his 33.3% stake in TPS Real Estate Holdings for $1 billion to his sister Liliya Rotenberg (). On 6 April 2018, Igor Rotenberg and his NPV Engineering Group were placed under United States sanctions. In October 2018, Igor Rotenberg had an estimated wealth of $1.1 billion by Forbes. He is married and has three children. Igor Rotenberg Igor Rotenberg, () is a Russian