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 Real Estate Holdings Ltd. Alexander Ponomarenko and Aleksandr Skorobogatko own 66.6% of TPC Real Estates Holdings. It was reported that Arkady Rotenberg made this move after being placed on the U.S. sanctions list. In 2015, OJCS TPS Real Estate () is one of the largest commercial real estate developers in Russia that manages several shopping centers in Russia and Ukraine. It is 100% owned by TPS Real Estate Holding Ltd. It owns the Krasnodar Gallery (), Sochi's Moremoll (), and Kiev's Ocean Plaza (). It is building the Novosibirsk Gallery () and Moscow's Slavyansky Boulevard metro station and Polezhayevskaya metro